/* Kreuzmich UI — Design-Tokens + Komponenten */

:root,
[data-theme="light"] {
  --bg: #f5f7fb;
  --fg: #172033;
  --muted: #384154;
  --card: #ffffff;
  --accent: #4355f5;
  --border: #dfe5f0;

  --surface-1: var(--card);
  --surface-2: #eef2f8;
  --surface-3: #e3e9f3;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #556076;
  --accent-strong: #2737c7;
  --accent-soft: #e8ebff;
  --success: #20845b;
  --success-soft: #e6f7ef;
  --warning: #9a6700;
  --warning-soft: #fff4d7;
  --danger: #bf2b3a;
  --danger-soft: #ffe8eb;
  --info: #2167d5;
  --info-soft: #e7f0ff;
  --shadow-sm: 0 8px 24px rgba(33, 41, 64, 0.08);
  --shadow-md: 0 18px 48px rgba(33, 41, 64, 0.13);
  --focus-ring: 0 0 0 3px rgba(67, 85, 245, 0.2);

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 18px;
  --space-1: 3px;
  --space-2: 6px;
  --space-3: 10px;
  --space-4: 12px;
  --space-5: 16px;
  --space-6: 22px;
  --sidebar-compact: 70px;
  --sidebar-open: 200px;
  --sidebar-width: var(--sidebar-compact);
  --sidebar-resizer-width: 12px;
  --sidebar-resizer-bleed: 6px;
  --main-max-width: min(100%, 100rem);
  --topbar-h: 52px;
  --ui-chevron-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='%23000' d='M2.2%201.2L9.8%206L2.2%2010.8Z'/%3E%3C/svg%3E");
}
/* Lernen: Modus-Farben aus Theme-Tokens (Üben = Accent, Prüfung = Warning) */
[data-theme],
:root {
  --lernen-practice-accent: var(--accent);
  --lernen-practice-soft: var(--accent-soft);
  --lernen-exam-accent: var(--warning);
  --lernen-exam-soft: var(--warning-soft);
  --lernen-anki-accent: #7b5cff;
  --lernen-anki-soft: color-mix(in srgb, #7b5cff 16%, transparent);
  --lernen-pdf-accent: #0d9f8e;
  --lernen-pdf-soft: color-mix(in srgb, #0d9f8e 16%, transparent);
}
[data-theme="dark"] {
  --bg: #10141d;
  --fg: #f5f7fd;
  --muted: #c8d7f0;
  --card: #171d29;
  --accent: #8ea2ff;
  --border: #303a4f;
  --surface-1: var(--card);
  --surface-2: #1e2535;
  --surface-3: #293247;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #9eb5db;
  --accent-strong: #b7c4ff;
  --accent-soft: color-mix(in srgb, var(--accent) 17%, var(--surface-1));
  --success: #68d8a5;
  --success-soft: color-mix(in srgb, var(--success) 22%, var(--surface-1));
  --warning: #f3c866;
  --warning-soft: color-mix(in srgb, var(--warning) 20%, var(--surface-1));
  --danger: #ff7d8c;
  --danger-soft: color-mix(in srgb, var(--danger) 22%, var(--surface-1));
  --info: #86b7ff;
  --info-soft: color-mix(in srgb, var(--info) 20%, var(--surface-1));
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 22px 56px rgba(0, 0, 0, 0.32);
  --focus-ring: 0 0 0 3px rgba(142, 162, 255, 0.24);
}
[data-theme="ocean"] {
  --bg: #0c141c;
  --fg: #f0fafc;
  --muted: #c5eafd;
  --card: #12202c;
  --accent: #2dd4bf;
  --border: #26556d;
  --surface-1: var(--card);
  --surface-2: #183045;
  --surface-3: #214058;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #9bd2ef;
  --accent-strong: #67e8d6;
  --accent-soft: color-mix(in srgb, var(--accent) 17%, var(--surface-1));
  --success: #86efac;
  --success-soft: color-mix(in srgb, var(--success) 22%, var(--surface-1));
  --warning: #fcd34d;
  --warning-soft: color-mix(in srgb, var(--warning) 20%, var(--surface-1));
  --danger: #fb7185;
  --danger-soft: color-mix(in srgb, var(--danger) 22%, var(--surface-1));
  --info: #5eead4;
  --info-soft: color-mix(in srgb, var(--info) 18%, var(--surface-1));
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.26);
  --shadow-md: 0 22px 56px rgba(0, 0, 0, 0.34);
  --focus-ring: 0 0 0 3px rgba(45, 212, 191, 0.23);
}
[data-theme="forest"] {
  --bg: #0c120f;
  --fg: #f0fdf5;
  --muted: #cdedd9;
  --card: #141f1a;
  --accent: #34d399;
  --border: #2d5a45;
  --surface-1: var(--card);
  --surface-2: #1a2a22;
  --surface-3: #22392d;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #9dd9b6;
  --accent-strong: #6ee7b7;
  --accent-soft: color-mix(in srgb, var(--accent) 17%, var(--surface-1));
  --success: #6ee7b7;
  --success-soft: color-mix(in srgb, var(--success) 22%, var(--surface-1));
  --warning: #fcd34d;
  --warning-soft: color-mix(in srgb, var(--warning) 20%, var(--surface-1));
  --danger: #f87171;
  --danger-soft: color-mix(in srgb, var(--danger) 22%, var(--surface-1));
  --info: #7dd3fc;
  --info-soft: color-mix(in srgb, var(--info) 20%, var(--surface-1));
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.26);
  --shadow-md: 0 22px 56px rgba(0, 0, 0, 0.34);
  --focus-ring: 0 0 0 3px rgba(52, 211, 153, 0.25);
}
[data-theme="sunset"] {
  --bg: #140d12;
  --fg: #fff7f8;
  --muted: #f7ddd6;
  --card: #1f1318;
  --accent: #fb7185;
  --border: #5c3a3e;
  --surface-1: var(--card);
  --surface-2: #2a181c;
  --surface-3: #3a2228;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #e8b8b6;
  --accent-strong: #fda4af;
  --accent-soft: color-mix(in srgb, var(--accent) 18%, var(--surface-1));
  --success: #86efac;
  --success-soft: color-mix(in srgb, var(--success) 22%, var(--surface-1));
  --warning: #fbbf24;
  --warning-soft: color-mix(in srgb, var(--warning) 20%, var(--surface-1));
  --danger: #fca5a5;
  --danger-soft: color-mix(in srgb, var(--danger) 22%, var(--surface-1));
  --info: #c4b5fd;
  --info-soft: color-mix(in srgb, var(--info) 20%, var(--surface-1));
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 22px 56px rgba(0, 0, 0, 0.36);
  --focus-ring: 0 0 0 3px rgba(251, 113, 133, 0.28);
}
[data-theme="lavender"] {
  --bg: #f4f0fa;
  --fg: #1a1028;
  --muted: #453857;
  --card: #fefdff;
  --accent: #8b5cf6;
  --border: #d4c6e8;
  --surface-1: var(--card);
  --surface-2: #ede8f7;
  --surface-3: #e2d9f2;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #4f3d66;
  --accent-strong: #6d28d9;
  --accent-soft: #ede9fe;
  --success: #059669;
  --success-soft: #ecfdf5;
  --warning: #b45309;
  --warning-soft: #fffbeb;
  --danger: #be123c;
  --danger-soft: #fff1f2;
  --info: #4f46e5;
  --info-soft: #eef2ff;
  --shadow-sm: 0 8px 24px rgba(63, 37, 99, 0.09);
  --shadow-md: 0 18px 48px rgba(63, 37, 99, 0.14);
  --focus-ring: 0 0 0 3px rgba(139, 92, 246, 0.22);
}
[data-theme="rose"] {
  --bg: #120a10;
  --fg: #fff5fb;
  --muted: #f3d4e4;
  --card: #1a1016;
  --accent: #f472b6;
  --border: #5c3d50;
  --surface-1: var(--card);
  --surface-2: #25141d;
  --surface-3: #331c28;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #e0b3cc;
  --accent-strong: #f9a8d4;
  --accent-soft: color-mix(in srgb, var(--accent) 18%, var(--surface-1));
  --success: #86efac;
  --success-soft: color-mix(in srgb, var(--success) 22%, var(--surface-1));
  --warning: #fde047;
  --warning-soft: color-mix(in srgb, var(--warning) 20%, var(--surface-1));
  --danger: #fb7185;
  --danger-soft: color-mix(in srgb, var(--danger) 22%, var(--surface-1));
  --info: #a78bfa;
  --info-soft: color-mix(in srgb, var(--info) 20%, var(--surface-1));
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.26);
  --shadow-md: 0 22px 56px rgba(0, 0, 0, 0.34);
  --focus-ring: 0 0 0 3px rgba(244, 114, 182, 0.26);
}
[data-theme="slate"] {
  --bg: #0f1419;
  --fg: #f1f6fc;
  --muted: #bfd2e5;
  --card: #161d27;
  --accent: #38bdf8;
  --border: #334155;
  --surface-1: var(--card);
  --surface-2: #1c2531;
  --surface-3: #243142;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #9bb6d0;
  --accent-strong: #7dd3fc;
  --accent-soft: color-mix(in srgb, var(--accent) 17%, var(--surface-1));
  --success: #4ade80;
  --success-soft: color-mix(in srgb, var(--success) 22%, var(--surface-1));
  --warning: #facc15;
  --warning-soft: color-mix(in srgb, var(--warning) 18%, var(--surface-1));
  --danger: #f87171;
  --danger-soft: color-mix(in srgb, var(--danger) 22%, var(--surface-1));
  --info: #60a5fa;
  --info-soft: color-mix(in srgb, var(--info) 20%, var(--surface-1));
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 22px 56px rgba(0, 0, 0, 0.32);
  --focus-ring: 0 0 0 3px rgba(56, 189, 248, 0.24);
}
[data-theme="nord"] {
  --bg: #eceff4;
  --fg: #1c2433;
  --muted: #334155;
  --card: #ffffff;
  --accent: #5e81ac;
  --border: #c6cfdd;
  --surface-1: var(--card);
  --surface-2: #e5e9f0;
  --surface-3: #d9dee8;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #445064;
  --accent-strong: #3f6088;
  --accent-soft: #dfe6f2;
  --success: #3d7a54;
  --success-soft: #ecf5ee;
  --warning: #8f6e1f;
  --warning-soft: #fdf6df;
  --danger: #9b3d48;
  --danger-soft: #fdeef0;
  --info: #4f7494;
  --info-soft: #e9f0f7;
  --shadow-sm: 0 8px 22px rgba(46, 52, 64, 0.07);
  --shadow-md: 0 18px 44px rgba(46, 52, 64, 0.11);
  --focus-ring: 0 0 0 3px rgba(94, 129, 172, 0.22);
}
[data-theme="mint"] {
  --bg: #eefaf4;
  --fg: #173128;
  --muted: #35594c;
  --card: #ffffff;
  --accent: #16a34a;
  --border: #c8e7d8;
  --surface-1: var(--card);
  --surface-2: #e3f3ea;
  --surface-3: #d6ebdf;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #4b6e61;
  --accent-strong: #0f7a35;
  --accent-soft: #dcfce7;
  --success: #15803d;
  --success-soft: #e7f7ec;
  --warning: #a16207;
  --warning-soft: #fff6dc;
  --danger: #b42332;
  --danger-soft: #ffecef;
  --info: #1d4ed8;
  --info-soft: #e9f0ff;
  --shadow-sm: 0 8px 24px rgba(23, 49, 40, 0.08);
  --shadow-md: 0 18px 48px rgba(23, 49, 40, 0.12);
  --focus-ring: 0 0 0 3px rgba(22, 163, 74, 0.22);
}
[data-theme="sky"] {
  --bg: #eef6ff;
  --fg: #152540;
  --muted: #374f73;
  --card: #ffffff;
  --accent: #2563eb;
  --border: #c7d9f2;
  --surface-1: var(--card);
  --surface-2: #e5effc;
  --surface-3: #d9e7f8;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #50658a;
  --accent-strong: #1d4ab8;
  --accent-soft: #e6eeff;
  --success: #177a53;
  --success-soft: #e6f7ee;
  --warning: #996309;
  --warning-soft: #fff5db;
  --danger: #b42332;
  --danger-soft: #ffecef;
  --info: #1d4ed8;
  --info-soft: #e9f0ff;
  --shadow-sm: 0 8px 24px rgba(21, 37, 64, 0.08);
  --shadow-md: 0 18px 48px rgba(21, 37, 64, 0.13);
  --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.2);
}
[data-theme="sand"] {
  --bg: #faf5ea;
  --fg: #35291a;
  --muted: #5f513f;
  --card: #fffdf8;
  --accent: #b45309;
  --border: #e6d7c0;
  --surface-1: var(--card);
  --surface-2: #f3ead9;
  --surface-3: #ecdfc9;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #72614d;
  --accent-strong: #8d3f06;
  --accent-soft: #ffedd5;
  --success: #1f7a56;
  --success-soft: #e7f7ef;
  --warning: #9a6700;
  --warning-soft: #fff5d9;
  --danger: #b42332;
  --danger-soft: #ffecef;
  --info: #1d4ed8;
  --info-soft: #e9f0ff;
  --shadow-sm: 0 8px 24px rgba(53, 41, 26, 0.08);
  --shadow-md: 0 18px 48px rgba(53, 41, 26, 0.12);
  --focus-ring: 0 0 0 3px rgba(180, 83, 9, 0.2);
}
[data-theme="amber"] {
  --bg: #140f0b;
  --fg: #fffaf3;
  --muted: #fce8cc;
  --card: #1c1610;
  --accent: #f59e0b;
  --border: #4a4032;
  --surface-1: var(--card);
  --surface-2: #241c14;
  --surface-3: #32281c;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #e4c49a;
  --accent-strong: #fbbf63;
  --accent-soft: color-mix(in srgb, var(--accent) 18%, var(--surface-1));
  --success: #68d89a;
  --success-soft: color-mix(in srgb, var(--success) 22%, var(--surface-1));
  --warning: #fde047;
  --warning-soft: color-mix(in srgb, var(--warning) 18%, var(--surface-1));
  --danger: #fb7185;
  --danger-soft: color-mix(in srgb, var(--danger) 22%, var(--surface-1));
  --info: #7dd3fc;
  --info-soft: color-mix(in srgb, var(--info) 20%, var(--surface-1));
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 22px 56px rgba(0, 0, 0, 0.38);
  --focus-ring: 0 0 0 3px rgba(245, 158, 11, 0.28);
}
[data-theme="espresso"] {
  --bg: #1a1410;
  --fg: #fffaf5;
  --muted: #eee0d4;
  --card: #221a14;
  --accent: #d97757;
  --border: #4d4036;
  --surface-1: var(--card);
  --surface-2: #2a2019;
  --surface-3: #382a21;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #d4c0b0;
  --accent-strong: #f0a084;
  --accent-soft: color-mix(in srgb, var(--accent) 18%, var(--surface-1));
  --success: #68d89a;
  --success-soft: color-mix(in srgb, var(--success) 22%, var(--surface-1));
  --warning: #fcd34d;
  --warning-soft: color-mix(in srgb, var(--warning) 20%, var(--surface-1));
  --danger: #f87171;
  --danger-soft: color-mix(in srgb, var(--danger) 22%, var(--surface-1));
  --info: #93c5fd;
  --info-soft: color-mix(in srgb, var(--info) 20%, var(--surface-1));
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 22px 56px rgba(0, 0, 0, 0.36);
  --focus-ring: 0 0 0 3px rgba(217, 119, 87, 0.28);
}
[data-theme="midnight"] {
  --bg: #0e0a14;
  --fg: #faf6ff;
  --muted: #eae2fc;
  --card: #161020;
  --accent: #a78bfa;
  --border: #453a5c;
  --surface-1: var(--card);
  --surface-2: #1e162b;
  --surface-3: #281f38;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #c9bee9;
  --accent-strong: #c4b5fd;
  --accent-soft: color-mix(in srgb, var(--accent) 18%, var(--surface-1));
  --success: #6ee7b7;
  --success-soft: color-mix(in srgb, var(--success) 22%, var(--surface-1));
  --warning: #fcd34d;
  --warning-soft: color-mix(in srgb, var(--warning) 20%, var(--surface-1));
  --danger: #fb7185;
  --danger-soft: color-mix(in srgb, var(--danger) 22%, var(--surface-1));
  --info: #7dd3fc;
  --info-soft: color-mix(in srgb, var(--info) 20%, var(--surface-1));
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 22px 56px rgba(0, 0, 0, 0.42);
  --focus-ring: 0 0 0 3px rgba(167, 139, 250, 0.29);
}
[data-theme="void"] {
  --bg: #070707;
  --fg: #f5f5f5;
  --muted: #bdbdbd;
  --card: #0e0e0e;
  --accent: #d6d6d6;
  --border: #292929;
  --surface-1: var(--card);
  --surface-2: #141414;
  --surface-3: #1b1b1b;
  --text: var(--fg);
  --text-muted: var(--muted);
  --text-soft: #8f8f8f;
  --accent-strong: #fafafa;
  /* Primärflächen nutzen helles Grau — Schrift auf Weiß hat zu wenig Kontrast */
  --accent-on: #141414;
  --accent-soft: color-mix(in srgb, var(--accent) 13%, var(--surface-1));
  --success: #5ee984;
  --success-soft: color-mix(in srgb, var(--success) 22%, var(--surface-1));
  --warning: #facc15;
  --warning-soft: color-mix(in srgb, var(--warning) 20%, var(--surface-1));
  --danger: #fb7185;
  --danger-soft: color-mix(in srgb, var(--danger) 22%, var(--surface-1));
  --info: #93c5fd;
  --info-soft: color-mix(in srgb, var(--info) 20%, var(--surface-1));
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 22px 56px rgba(0, 0, 0, 0.56);
  --focus-ring: 0 0 0 3px color-mix(in srgb, var(--accent) 26%, transparent);
}
* { box-sizing: border-box; }
html {
  min-height: 100%;
  background: var(--bg);
  font-size: calc(16px * var(--ui-font-scale, 1));
}
body {
  margin: 0;
  min-height: 100%;
  font-family: var(
    --font-sans,
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif
  );
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 12%, transparent), transparent 32rem),
    var(--bg);
  color: var(--text);
  line-height: 1.45;
  accent-color: var(--accent);
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-strong);
}
.layout {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  position: sticky;
  top: 0;
  align-self: flex-start;
  width: var(--sidebar-width);
  height: 100vh;
  min-height: 100vh;
  flex: 0 0 var(--sidebar-width);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-3) 4px;
  background: color-mix(in srgb, var(--surface-1) 88%, transparent);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(18px);
  z-index: 10;
  overflow: visible;
}
.sidebar__surface {
  position: relative;
  flex: 1 1 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  width: 100%;
  overflow: hidden;
}
.sidebar__header {
  flex: 0 0 auto;
  width: 100%;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
  margin-bottom: var(--space-2);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 4px 4px 8px;
  font-family: "Open Sans", ui-sans-serif, sans-serif;
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--text);
  user-select: none;
}
body.sidebar-open .sidebar-brand {
  justify-content: flex-start;
  padding-left: 6px;
  padding-right: 2px;
  font-size: 1.18rem;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 0;
  color: inherit;
}
.brand-logo__svg {
  display: block;
  width: 1.45rem;
  height: 1.45rem;
}
.sidebar-brand .brand-logo__svg {
  width: 1.35rem;
  height: 1.35rem;
}
body.sidebar-open .sidebar-brand .brand-logo__svg {
  width: 1.5rem;
  height: 1.5rem;
}
.sidebar-brand .app-brand__wordmark {
  white-space: nowrap;
}
body:not(.sidebar-open):not(.mobile-nav-open) .sidebar-brand .app-brand__wordmark {
  display: none;
}
body:not(.sidebar-resizing) .sidebar {
  transition: width 180ms ease, flex-basis 180ms ease;
}
body.sidebar-open {
  --sidebar-width: var(--sidebar-open);
}
body.sidebar-open .sidebar {
  padding-right: calc(var(--sidebar-resizer-width) - var(--sidebar-resizer-bleed));
}
.sidebar-resizer {
  position: absolute;
  top: 0;
  right: calc(-1 * var(--sidebar-resizer-bleed));
  width: calc(var(--sidebar-resizer-width) + var(--sidebar-resizer-bleed));
  height: 100%;
  z-index: 20;
  cursor: col-resize;
  touch-action: none;
}
.nav-icons { display: flex; flex-direction: column; align-items: center; gap: var(--space-1); width: 100%; }
body.sidebar-open .nav-icons { align-items: stretch; }
.nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  min-height: 40px;
  padding: 0;
  border-radius: var(--radius);
  color: var(--text-muted);
  text-decoration: none;
}
body.sidebar-open .nav-item { width: 100%; justify-content: flex-start; gap: 0.5rem; padding: 0 0.5rem; }
.nav-item.is-active { background: var(--surface-2); color: var(--text); }
.nav-label { display: none; }
body.sidebar-open .nav-label { display: inline; }
.main {
  flex: 1;
  width: 100%;
  max-width: var(--main-max-width);
  min-width: 0; /* Flex: breite Inhalte (z. B. Tabellen) dürfen schrumpfen — kein horizontaler Page-Scroll */
  padding: clamp(12px, 2vw, 28px);
  box-sizing: border-box;
}

body.theme-lab .main {
  max-width: none;
  min-width: 0;
}

.card {
  background: color-mix(in srgb, var(--surface-1) 96%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(12px, 1.6vw, 18px);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-sm);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.streak-summary {
  margin: 0 0 var(--space-4);
}
.streak-summary__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  min-width: 0;
}
.streak-summary__left,
.streak-summary__right {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  min-width: 0;
}
.streak-summary__right {
  margin-left: auto;
  flex-shrink: 0;
}
.streak-summary__peer {
  flex: 1 1 12rem;
  min-width: 0;
  margin: 0;
  text-align: center;
  font-size: 0.88rem;
  line-height: 1.35;
}
.streak-summary__row:has(.streak-summary__peer) .streak-summary__right {
  margin-left: 0;
}
.streak-summary__streak-num,
.streak-summary__best-num {
  font-size: 1.08rem;
  font-weight: 600;
}
.streak-flame {
  display: inline-block;
  font-size: 1.15em;
  line-height: 1;
  vertical-align: -0.12em;
  transition:
    filter 0.2s ease,
    opacity 0.2s ease,
    transform 0.2s ease,
    text-shadow 0.2s ease;
  user-select: none;
}
.streak-flame--t0 {
  filter: grayscale(1) brightness(1.1);
  opacity: 0.32;
  transform: scale(0.86);
}
.streak-flame--t1 {
  filter: grayscale(0.72) sepia(0.3) saturate(1.1);
  opacity: 0.68;
}
.streak-flame--t2 {
  filter: grayscale(0.25) sepia(0.5) saturate(1.35);
  opacity: 0.95;
}
.streak-flame--t3 {
  filter: sepia(0.2) saturate(1.55);
  text-shadow: 0 0 0.4rem rgba(255, 120, 40, 0.42);
}
.streak-flame--t4 {
  filter: saturate(1.45) contrast(1.02);
  text-shadow:
    0 0 0.35rem rgba(255, 140, 50, 0.55),
    0 0 0.85rem rgba(255, 90, 20, 0.28);
  transform: scale(1.08);
}

.community-score-card__summary {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: var(--space-3) 0;
}
.community-score-card__total,
.community-score-card__rank {
  margin: 0;
}
.community-score-card__total-value {
  font-size: 1.15rem;
  font-weight: 500;
  margin-left: var(--space-2);
}
.community-score-card__rank-value {
  font-size: 1.15rem;
  font-weight: 500;
  margin-left: var(--space-2);
}
.community-score-card__own-title {
  font-size: 1rem;
  margin: var(--space-5) 0 var(--space-2);
}
.community-score-card__cap-hint {
  font-size: 0.88rem;
  margin: var(--space-2) 0 var(--space-3);
}
.community-score-card__rank-note {
  font-size: 0.85rem;
  font-weight: 400;
  margin-left: 0.35rem;
}
.community-leaderboard {
  margin-top: var(--space-4);
  min-width: 0;
  max-width: 100%;
}
.community-leaderboard__status:not([hidden]) {
  margin-bottom: var(--space-2);
}
.community-leaderboard__inner {
  position: relative;
  min-height: 5rem;
  min-width: 0;
  max-width: 100%;
}
.community-leaderboard__loading {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: color-mix(in srgb, var(--surface-1) 82%, transparent);
  border-radius: var(--radius-md, 8px);
  backdrop-filter: blur(2px);
}
.community-leaderboard__loading[hidden] {
  display: none !important;
}
.community-leaderboard__spinner {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-top-color: var(--accent);
  animation: community-lb-spin 0.75s linear infinite;
}
@keyframes community-lb-spin {
  to {
    transform: rotate(360deg);
  }
}
.community-leaderboard__loading-msg {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted, var(--muted));
  text-align: center;
}
.community-leaderboard.is-community-lb-loading .community-score-table--leaderboard {
  opacity: 0.42;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.community-leaderboard.is-community-lb-loading .community-sort-btn {
  pointer-events: none;
}
.community-score-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.community-score-table th,
.community-score-table td {
  text-align: left;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
.community-score-table th {
  font-weight: 600;
  color: var(--text-muted, var(--muted));
}
.community-score-table td.num,
.community-score-table th.num {
  text-align: right;
  white-space: nowrap;
}
.community-score-table--leaderboard {
  font-size: 0.86rem;
}
.community-score-table__pos {
  width: 2.75rem;
}
.community-sort-head .community-sort-btn {
  display: inline;
  font: inherit;
  font-weight: inherit;
  color: inherit;
  letter-spacing: inherit;
  background: none;
  border: none;
  margin: 0;
  padding: 0;
  cursor: pointer;
  text-align: inherit;
  max-width: 100%;
  text-decoration: none;
  border-bottom: 1px dotted color-mix(in srgb, currentColor 45%, transparent);
}
.community-sort-head .community-sort-btn:hover,
.community-sort-head .community-sort-btn:focus-visible {
  border-bottom-style: solid;
}
.community-sort-head.is-active .community-sort-btn {
  font-weight: 800;
  border-bottom: 2px solid var(--accent);
}
.community-sort-head.is-active.is-sort-desc .community-sort-btn::after {
  content: " \2193";
  font-size: 0.78em;
  opacity: 0.75;
  font-weight: 700;
}
.community-sort-head.is-active.is-sort-asc .community-sort-btn::after {
  content: " \2191";
  font-size: 0.78em;
  opacity: 0.75;
  font-weight: 700;
}
.community-score-table__total-row th,
.community-score-table__total-row td {
  border-bottom: none;
  padding-top: var(--space-2);
}
.community-score-table__self {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 34px;
  padding: 5px 12px;
  border-radius: var(--btn-radius, 10px);
  border: 1px solid transparent;
  background: var(--accent);
  color: var(--accent-on, #fff);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: background 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease, color 0.12s ease;
}
.btn.secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}
/* Primär: dezent (kein „Lift“), Lesbarkeit für <a class="btn"> */
.btn:hover,
.btn:focus-visible {
  color: var(--accent-on, #fff);
  background: color-mix(in srgb, var(--accent) 93%, #000);
  box-shadow: 0 1px 4px color-mix(in srgb, var(--accent) 16%, transparent);
}
.btn:active {
  background: color-mix(in srgb, var(--accent) 88%, #000);
  box-shadow: none;
}
.btn.secondary:hover,
.btn.secondary:focus-visible {
  color: var(--text);
  background: var(--surface-3);
  border-color: color-mix(in srgb, var(--accent) 15%, var(--border));
}
.btn.secondary:active {
  background: color-mix(in srgb, var(--surface-3) 94%, var(--border));
}

.settings-section {
  margin-bottom: var(--space-4);
  scroll-margin-top: 1.25rem;
}
.settings-section h2 {
  margin-top: 0;
  font-size: 1.15rem;
}
.settings-section .form-stack > button[type="submit"] {
  margin-top: var(--space-6);
}
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
}
.checkbox-row input {
  margin-top: 0.2em;
  flex-shrink: 0;
}

.muted {
  color: var(--text-muted);
}
.lead {
  max-width: 60rem;
  font-size: 0.98rem;
  color: var(--text-muted);
}
code {
  padding: 0.12rem 0.35rem;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.flash-wrap {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 100;
  display: grid;
  gap: 6px;
  width: min(340px, calc(100vw - 24px));
}

.app-reminder-banner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: 0 0 var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--info) 28%, var(--border));
  background: linear-gradient(
    145deg,
    var(--info-soft) 0%,
    color-mix(in srgb, var(--surface-1) 92%, var(--info-soft)) 100%
  );
  box-shadow: var(--shadow-sm);
  font-size: 0.92rem;
  line-height: 1.45;
}

.app-reminder-banner__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--info) 14%, transparent);
  color: var(--info);
}

.app-reminder-banner__icon svg {
  width: 1.2rem;
  height: 1.2rem;
}

.app-reminder-banner__text {
  flex: 1 1 12rem;
  margin: 0;
  min-width: 0;
  color: var(--text);
  font-weight: 500;
}

.app-reminder-banner__cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-left: auto;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--accent-strong);
  background: var(--surface-1);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--border));
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}

.app-reminder-banner__cta::after {
  content: "";
  display: inline-block;
  width: 0.35rem;
  height: 0.35rem;
  margin-top: 1px;
  border: 0 solid currentColor;
  border-width: 0 2px 2px 0;
  transform: rotate(-45deg);
  opacity: 0.85;
}

.app-reminder-banner__cta:hover {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent-strong);
}

.app-reminder-banner__cta:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring), 0 2px 8px color-mix(in srgb, var(--accent) 14%, transparent);
}

@media (max-width: 560px) {
  .app-reminder-banner {
    gap: var(--space-2);
    padding: var(--space-3);
    border-radius: var(--radius);
  }

  .app-reminder-banner__icon {
    width: 1.9rem;
    height: 1.9rem;
  }

  .app-reminder-banner__cta {
    margin-left: 0;
    width: auto;
    padding: 0.38rem 0.82rem;
    font-size: 0.78rem;
  }
}

@media (max-width: 900px) and (orientation: portrait) {
  .app-reminder-banner {
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
  }
  .app-reminder-banner__icon {
    width: 2rem;
    height: 2rem;
  }
  .app-reminder-banner__text {
    flex-basis: 12rem;
    font-size: 0.88rem;
    line-height: 1.35;
  }
  .app-reminder-banner__cta {
    padding: 0.42rem 0.86rem;
    font-size: 0.79rem;
  }
}

.flash {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: var(--radius);
  background: var(--surface-1);
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.28s ease, transform 0.28s ease;
}
.flash.is-hiding {
  opacity: 0;
  transform: translateY(-6px);
}
.flash-success { border-left-color: #20845b; }
.flash-danger { border-left-color: #bf2b3a; }
.flash-warning { border-left-color: #9a6700; }
.flash-info { border-left-color: #2167d5; }
.flash__action {
  margin-left: 0.55rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent-strong);
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}
.flash__action:hover {
  color: var(--accent);
}
.flash__action:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 4px;
}
/* GitHub-artig: 7 Zeilen (Wochentage) × Spalten (Wochen), links→rechts, mit Monats- und Wochentagsbeschriftung */
.heatmap-frame {
  --heatmap-cell: 14px;
  --heatmap-gap: 4px;
  --heatmap-weekday-w: 1.7rem;
  --heatmap-month-h: 0.95rem;
  display: grid;
  grid-template-columns: var(--heatmap-weekday-w) max-content;
  grid-template-rows: var(--heatmap-month-h) auto;
  gap: 6px;
  margin-top: var(--space-2);
  padding: var(--space-3);
  padding-right: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-1);
  overflow-x: auto;
}
.heatmap-months {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: var(--heatmap-cell);
  gap: var(--heatmap-gap);
  font-size: 0.72rem;
  color: var(--text-muted);
  align-items: end;
  line-height: 1;
}
.heatmap-month {
  white-space: nowrap;
  overflow: visible;
  line-height: 1;
}
.heatmap-weekdays {
  grid-column: 1;
  grid-row: 2;
  display: grid;
  grid-template-rows: repeat(7, var(--heatmap-cell));
  gap: var(--heatmap-gap);
  font-size: 0.7rem;
  color: var(--text-muted);
  align-items: center;
  justify-items: end;
  padding-right: 4px;
  line-height: 1;
}
.heatmap-weekday.is-hidden {
  visibility: hidden;
}
.heatmap {
  grid-column: 2;
  grid-row: 2;
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, var(--heatmap-cell));
  grid-auto-columns: var(--heatmap-cell);
  gap: var(--heatmap-gap);
  width: max-content;
  margin: 0;
}
.heatmap-cell {
  width: 100%;
  height: 100%;
  min-width: 0;
  box-sizing: border-box;
  border-radius: 3px;
  background: var(--surface-3);
  border: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
}
.heatmap-cell.is-muted {
  background: color-mix(in srgb, var(--surface-3) 72%, var(--surface-2));
  border-color: color-mix(in srgb, var(--border) 35%, transparent);
  opacity: 0.65;
}
.heatmap-cell.l1 { background: color-mix(in srgb, var(--accent) 22%, var(--surface-3)); border-color: color-mix(in srgb, var(--accent) 28%, var(--border)); }
.heatmap-cell.l2 { background: color-mix(in srgb, var(--accent) 42%, var(--surface-3)); border-color: color-mix(in srgb, var(--accent) 38%, var(--border)); }
.heatmap-cell.l3 { background: color-mix(in srgb, var(--accent) 62%, var(--surface-2)); border-color: color-mix(in srgb, var(--accent) 48%, var(--border)); }
.heatmap-cell.l4 { background: color-mix(in srgb, var(--accent) 84%, var(--surface-2)); border-color: color-mix(in srgb, var(--accent) 58%, var(--border)); }
.heatmap-cell.l5 { background: var(--accent); border-color: color-mix(in srgb, var(--accent) 70%, var(--border)); }

/* Dashboard: Heatmap + Quiz-Trefferquote nebeneinander */
.activity-visual-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-4);
  margin-top: var(--space-2);
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}
@media (min-width: 720px) {
  .activity-visual-row {
    flex-direction: row;
    align-items: stretch;
    flex-wrap: nowrap;
    justify-content: flex-start;
  }
}
.activity-visual-row__heatmap {
  /* Nur so breit wie die Heatmap — kein Aufblasen der Spalte (sonst Whitespace rechts davon) */
  flex: 0 1 auto;
  width: max-content;
  max-width: 100%;
  min-width: 0;
  min-height: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  display: flex;
  align-items: stretch;
}
.activity-visual-row__heatmap > .heatmap-frame {
  flex: 0 0 auto;
}
.activity-visual-row .heatmap-frame {
  margin-top: 0;
}
.quiz-accuracy-aside {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  max-width: 100%;
  min-width: 0;
  min-height: 0;
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-1);
  box-sizing: border-box;
  /* Trefferquote: Akzent vs. neutraler Rest — kein Ampel-Grün/Rot */
  --qa-segment-hit: color-mix(in srgb, var(--accent) 72%, var(--accent-strong) 28%);
  --qa-segment-miss: color-mix(in srgb, var(--surface-3) 62%, var(--border) 38%);
}
@media (min-width: 720px) {
  .quiz-accuracy-aside {
    max-width: min(100%, 22rem);
    align-self: stretch;
  }
}
.quiz-accuracy-aside__title {
  margin: 0 0 var(--space-2);
  flex-shrink: 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.quiz-accuracy-aside__body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-3);
  min-height: 0;
}
.quiz-accuracy-donut-wrap {
  position: relative;
  width: 112px;
  height: 112px;
  flex-shrink: 0;
}
.quiz-accuracy-donut {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(
    from -90deg,
    var(--qa-segment-hit) 0deg var(--qa-split, 0deg),
    var(--qa-segment-miss) var(--qa-split, 0deg) 360deg
  );
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--border) 45%, transparent);
}
.quiz-accuracy-donut__center {
  position: absolute;
  inset: 22%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface-1);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--border) 40%, transparent);
}
.quiz-accuracy-donut__pct {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1;
  color: var(--text);
}
.quiz-accuracy-aside__legend-block {
  flex: 0 1 auto;
  min-width: 0;
}
.quiz-accuracy-legend {
  margin: 0;
}
.quiz-accuracy-legend__row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.35rem;
}
.quiz-accuracy-legend__row:last-of-type {
  margin-bottom: 0;
}
.quiz-accuracy-legend__swatch {
  width: 0.55rem;
  height: 0.55rem;
  flex-shrink: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--border) 50%, transparent);
}
.quiz-accuracy-legend__swatch--ok {
  background: var(--qa-segment-hit);
}
.quiz-accuracy-legend__swatch--bad {
  background: var(--qa-segment-miss);
}
.quiz-accuracy-legend dd {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
}
.quiz-accuracy-aside__total {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  line-height: 1.35;
}

/* Dashboard: Schnell zum Lernen */
.learn-launcher__head {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: flex-start;
  justify-content: space-between;
}
.learn-launcher__head h2 {
  margin: 0 0 4px;
}
.learn-launcher__head .muted {
  margin: 0;
}
.learn-launcher__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.learn-launcher__recent {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--border);
}
.learn-launcher__recent-title {
  margin: 0 0 var(--space-2);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.learn-launcher__empty {
  margin: var(--space-3) 0 0;
  font-size: 0.9rem;
}
.learn-recent-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
}
.learn-recent-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
}
.learn-recent-item__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.learn-recent-item__title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
}
.learn-recent-item__meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.chat-preview-list {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
  padding: 0;
}
.chat-preview-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  padding: 8px 10px;
}
.chat-preview-item__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: 2px;
}
.chat-preview-item__room {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.chat-preview-item__time {
  font-size: 0.75rem;
  color: var(--text-soft);
}
.chat-preview-item__line {
  display: flex;
  gap: 6px;
  min-width: 0;
  font-size: 0.9rem;
  color: var(--text);
}
.chat-preview-item__user {
  font-weight: 700;
  flex: 0 0 auto;
}
.chat-preview-item__text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.table-wrap {
  overflow-x: auto;
  max-width: 100%;
  min-width: 0;
  -webkit-overflow-scrolling: touch;
}
table.keybind-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
table.keybind-table th,
table.keybind-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}
table.keybind-table th {
  font-weight: 700;
  color: var(--text-muted);
}
.keybind-readout {
  font-size: 0.88rem;
  padding: 2px 6px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-2) 88%, transparent);
}
.keybind-actions {
  white-space: nowrap;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
[data-keybind-settings].keybind-capturing {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* Alte Lernen-Listen-/Sortier-Stile entfernt; neue Karten-/Tabs-Stile siehe unten */
@media (max-width: 820px) {
  .pref-toggle-grid {
    grid-template-columns: 1fr;
  }
}

pre,
.ai-output {
  white-space: pre-wrap;
}
/* ── Lernen-Seite: neue Komponenten ─────────────────────────────────────── */

.lernen-header {
  margin: 0 0 var(--space-3);
}
.lernen-header__title {
  margin: 0 0 var(--space-3);
}
.lernen-header--browse {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
}
.lernen-header--browse .lernen-header__title {
  margin: 0;
}
.lernen-header--browse.lernen-header--mode-title {
  display: block;
  margin-bottom: var(--space-5);
}

/* Lernen-Hub: Üben | Prüfungssimulation | Anki | Altklausuren */
.lernen-hub {
  --lernen-hub-accent: var(--lernen-practice-accent);
  --lernen-hub-soft: var(--lernen-practice-soft);
  --lernen-hub-bg: color-mix(in srgb, var(--lernen-hub-soft) 42%, var(--surface-1));
  margin-bottom: var(--space-2);
}
.lernen-hub[data-lernen-tab="ueben"] {
  --lernen-hub-accent: var(--lernen-practice-accent);
  --lernen-hub-soft: var(--lernen-practice-soft);
}
.lernen-hub[data-lernen-tab="pruefungssimulation"] {
  --lernen-hub-accent: var(--lernen-exam-accent);
  --lernen-hub-soft: var(--lernen-exam-soft);
}
.lernen-hub[data-lernen-tab="anki"] {
  --lernen-hub-accent: var(--lernen-anki-accent);
  --lernen-hub-soft: var(--lernen-anki-soft);
}
.lernen-hub[data-lernen-tab="altklausuren"] {
  --lernen-hub-accent: var(--lernen-pdf-accent);
  --lernen-hub-soft: var(--lernen-pdf-soft);
}
/* Frame: nur Container (keine eigene Border) - die Karte = das Sheet selbst */
.lernen-hub-frame {
  --lernen-hub-tab-radius: 0.85rem;
  --lernen-hub-tab-pad-x: 0.5rem;
  --lernen-tab-scoop: 10px;
  position: relative;
  border: none;
  background: transparent;
  overflow: visible;
}
.lernen-hub-frame > .lernen-empty-state {
  margin: var(--space-3);
}
.lernen-hub-tabs {
  position: relative;
  z-index: 2;
  margin: 0;
  padding: 0.4rem var(--lernen-hub-tab-pad-x) 0;
  border: none;
  background: transparent;
}
.lernen-hub-tabs__track {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-end;
  gap: 0.3rem;
  padding: 0;
  margin: 0;
  list-style: none;
  border: none;
  background: transparent;
}
.lernen-hub-tabs__tab {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  min-width: min(100%, 7.25rem);
  min-height: 2.35rem;
  margin: 0;
  padding: 0.5rem 0.85rem;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius);
  box-sizing: border-box;
  background: transparent;
  text-decoration: none;
  text-align: center;
  color: color-mix(in srgb, var(--text-muted) 55%, var(--text) 45%);
  font-size: clamp(0.8rem, 2vw, 0.92rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.lernen-hub-tabs__tab:not(.is-active) {
  margin-bottom: 0.35rem;
}
.lernen-hub-tabs__tab:not(.is-active):hover {
  color: var(--tab-accent, var(--lernen-hub-accent));
  background: color-mix(in srgb, var(--tab-accent, var(--lernen-hub-accent)) 14%, transparent);
  z-index: 1;
}
.lernen-hub-tabs__tab.is-active {
  color: var(--text);
  background: var(--lernen-hub-bg);
  border-color: var(--border);
  border-top-left-radius: var(--lernen-hub-tab-radius);
  border-top-right-radius: var(--lernen-hub-tab-radius);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  /* Tab-Oberkante auf Höhe der inaktiven Pills ziehen, damit der Text auf
     gleicher Höhe sitzt. Extra = inaktiver margin-bottom (0.35rem)
     + Sheet-Überlapp (1px). Das gesamte Plus wandert in padding-bottom,
     sodass der Text vertikal weiterhin in der oberen Hälfte zentriert ist. */
  min-height: calc(2.35rem + 0.35rem + 1px);
  margin-bottom: -1px;
  padding-bottom: calc(0.5rem + 0.35rem + 1px);
  z-index: 3;
}
/* Fußkurven: konkave Übergänge vom aktiven Tab in den Sheet-Hintergrund.
   Zwei gestapelte radial-gradients pro Scoop:
   1. Border-Ring (var(--border), 1px): verbindet Tab-Border mit Sheet-Border-Top
      zu einer durchgehenden gebogenen Linie.
   2. Sheet-Bg-Fill: außerhalb der Kurve füllt der Sheet-Hintergrund, damit
      die konkave Form sichtbar wird. */
.lernen-hub-tabs__tab.is-active::before,
.lernen-hub-tabs__tab.is-active::after {
  content: "";
  position: absolute;
  bottom: 0;
  width: var(--lernen-tab-scoop);
  height: var(--lernen-tab-scoop);
  pointer-events: none;
  z-index: 2;
}
.lernen-hub-tabs__tab.is-active::before {
  left: calc(-1 * var(--lernen-tab-scoop));
  background:
    radial-gradient(
      circle at 0 0,
      transparent calc(var(--lernen-tab-scoop) - 1px),
      var(--border) calc(var(--lernen-tab-scoop) - 1px),
      var(--border) var(--lernen-tab-scoop),
      transparent var(--lernen-tab-scoop)
    ),
    radial-gradient(
      circle at 0 0,
      transparent var(--lernen-tab-scoop),
      var(--lernen-hub-bg) var(--lernen-tab-scoop)
    );
}
.lernen-hub-tabs__tab.is-active::after {
  right: calc(-1 * var(--lernen-tab-scoop));
  background:
    radial-gradient(
      circle at 100% 0,
      transparent calc(var(--lernen-tab-scoop) - 1px),
      var(--border) calc(var(--lernen-tab-scoop) - 1px),
      var(--border) var(--lernen-tab-scoop),
      transparent var(--lernen-tab-scoop)
    ),
    radial-gradient(
      circle at 100% 0,
      transparent var(--lernen-tab-scoop),
      var(--lernen-hub-bg) var(--lernen-tab-scoop)
    );
}
/* Erster aktiver Tab am Rand: Tab-Border-Left ist koaxial mit Sheet-Border-Left,
   dadurch ergibt sich eine durchgehende 180°-Linie ohne Knick.
   Keine Fußkurve auf der Außenseite. */
.lernen-hub-tabs__tab.is-active:first-child {
  margin-left: calc(-1 * var(--lernen-hub-tab-pad-x));
  padding-left: calc(0.85rem + var(--lernen-hub-tab-pad-x) - 1px);
}
.lernen-hub-tabs__tab.is-active:first-child::before {
  display: none;
}
/* Letzter aktiver Tab am Rand: Tab-Border-Right koaxial mit Sheet-Border-Right. */
.lernen-hub-tabs__tab.is-active:last-child {
  margin-right: calc(-1 * var(--lernen-hub-tab-pad-x));
  padding-right: calc(0.85rem + var(--lernen-hub-tab-pad-x) - 1px);
}
.lernen-hub-tabs__tab.is-active:last-child::after {
  display: none;
}
@media (max-width: 640px) {
  .lernen-hub-tabs__track {
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }
  .lernen-hub-tabs__tab {
    flex: 0 0 auto;
    min-width: 7.25rem;
  }
  .lernen-hub-tabs__tab:not(.is-active) {
    margin-bottom: 0.35rem;
  }
}
.lernen-hub-tabs__tab--ueben {
  --tab-accent: var(--lernen-practice-accent);
}
.lernen-hub-tabs__tab--pruefungssimulation {
  --tab-accent: var(--lernen-exam-accent);
}
.lernen-hub-tabs__tab--anki {
  --tab-accent: var(--lernen-anki-accent);
}
.lernen-hub-tabs__tab--altklausuren {
  --tab-accent: var(--lernen-pdf-accent);
}
.lernen-hub-tabs__label {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* Kurzbeschreibung nach unten (eigenes Element, nicht ::before – Scoops am aktiven Tab). */
.lernen-hub-tabs__tip {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 50%;
  z-index: 12;
  width: max-content;
  max-width: min(16rem, 70vw);
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-1);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.35;
  text-align: center;
  white-space: normal;
  box-shadow: 0 2px 10px color-mix(in srgb, var(--text) 10%, transparent);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(-4px);
  transition:
    opacity 0.15s ease,
    visibility 0.15s ease,
    transform 0.15s ease;
}
.lernen-hub-tabs__tip.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
/* Tooltip über aktivem Tab + Sheet, damit auch inaktive Tabs sichtbar bleiben. */
.lernen-hub-tabs__tab.is-tip-open,
.lernen-hub-tabs__tab:not(.is-active):hover.is-tip-open {
  z-index: 20;
}
@media (prefers-reduced-motion: reduce) {
  .lernen-hub-tabs__tip {
    transition: none;
  }
}
.lernen-hub-sheet {
  position: relative;
  z-index: 1;
  margin-top: 0;
  /* Vollumlaufende Border auf der Farbgrenze zwischen Page-Bg und Sheet-Bg.
     Unter dem aktiven Tab ist die Border durch dessen Hintergrund verdeckt
     (margin-bottom: -1px), in den Fußkurven wird sie durch den Border-Ring
     der Scoops fortgesetzt - so entsteht eine durchgehende Karten-Umrandung
     ohne Sprung zwischen Tab und Sheet. */
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--lernen-hub-bg);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--text) 4%, transparent);
}
/* Rand-Tab aktiv: zugehörige obere Sheet-Ecke scharf, damit die Tab-Border
   koaxial mit der Sheet-Border eine 180°-Linie bilden kann.
   Die GEGENÜBERLIEGENDE obere Ecke bleibt gerundet. */
.lernen-hub[data-lernen-tab="ueben"] .lernen-hub-sheet {
  border-top-left-radius: 0;
}
.lernen-hub[data-lernen-tab="altklausuren"] .lernen-hub-sheet {
  border-top-right-radius: 0;
}
.lernen-hub-sheet__semester {
  padding: var(--space-3) var(--space-3) 0;
}
.lernen-hub-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-3) var(--space-2);
  overflow: visible;
}
.lernen-hub-toolbar .lernen-search {
  margin: 0;
  width: 40%;
  max-width: none;
  flex: 1 1 auto;
  min-width: 0;
}
.lernen-hub-toolbar__anki-upload {
  display: none;
  position: relative;
  flex: 0 0 auto;
  margin-left: auto;
}
.lernen-hub[data-lernen-tab="anki"] .lernen-hub-toolbar__anki-upload {
  display: block;
}
.lernen-hub-panels {
  position: relative;
  min-height: 12rem;
  padding: 0 var(--space-3) var(--space-3);
}
.lernen-hub-panel-slot {
  min-height: 8rem;
}
.lernen-hub-panel-slot[hidden] {
  display: none !important;
}
.lernen-hub-panel-slot.is-active {
  display: block;
}
.lernen-hub-panel-slot--enter {
  animation: lernen-hub-panel-fade-in 0.22s ease;
}
@keyframes lernen-hub-panel-fade-in {
  from {
    opacity: 0.35;
  }
  to {
    opacity: 1;
  }
}
#app-main.is-htmx-swapping {
  opacity: 0.88;
  transition: opacity 0.12s ease;
}
@media (prefers-reduced-motion: reduce) {
  .lernen-hub-panel-slot--enter {
    animation: none;
  }
  #app-main.is-htmx-swapping {
    opacity: 1;
    transition: none;
  }
}
.lernen-panel-skeleton__toolbar {
  margin-bottom: var(--space-3);
}
.lernen-panel-skeleton__bar {
  display: block;
  height: 0.85rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--surface-2) 90%, transparent) 0%,
    color-mix(in srgb, var(--surface-3) 95%, transparent) 50%,
    color-mix(in srgb, var(--surface-2) 90%, transparent) 100%
  );
  background-size: 200% 100%;
  animation: lernen-panel-skeleton-shimmer 1.2s ease-in-out infinite;
}
.lernen-panel-skeleton__bar--wide {
  width: min(100%, 22rem);
  height: 2.25rem;
}
.lernen-panel-skeleton__bar--short {
  width: 55%;
}
.lernen-panel-skeleton__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr));
  gap: var(--space-3);
}
.lernen-panel-skeleton__card {
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
@keyframes lernen-panel-skeleton-shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}
/* Semester-Tabs im Hub */
.lernen-hub-sheet .lernen-sem-tabs {
  margin-top: 0;
}
.lernen-hub-sheet .lernen-sem-tab:hover {
  border-color: color-mix(in srgb, var(--lernen-hub-accent) 35%, var(--border));
}
.lernen-hub-sheet .lernen-sem-tab.is-mine {
  border-color: color-mix(in srgb, var(--lernen-hub-accent) 30%, var(--border));
}
.lernen-hub-sheet .lernen-sem-tab.is-active {
  background: color-mix(in srgb, var(--lernen-hub-accent) 22%, var(--lernen-hub-bg));
  border-color: color-mix(in srgb, var(--lernen-hub-accent) 55%, var(--border));
  color: var(--text);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--lernen-hub-accent) 18%, transparent);
}
.lernen-hub-sheet .lernen-sem-tab.is-active:hover {
  color: var(--text);
}
.lernen-hub-sheet .lernen-sem-tab__badge {
  color: color-mix(in srgb, var(--lernen-hub-accent) 80%, var(--text));
}
.lernen-hub-sheet .lernen-sem-tab.is-active .lernen-sem-tab__badge {
  color: inherit;
}
.lernen-hub-sheet .lernen-sem-tab__set-mine:hover {
  border-color: var(--lernen-hub-accent);
  color: var(--lernen-hub-accent);
}

/* Lernmodus als Seitentitel: Üben | Prüfungssimulation */
.lernen-quiz-mode--page-title {
  width: 100%;
}
.lernen-quiz-mode__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}
.lernen-quiz-mode__title-switch {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.15rem;
  flex: 1 1 auto;
  min-width: min(100%, 18rem);
}
.lernen-quiz-mode__title-opt {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0.1rem 0;
  border: none;
  border-radius: var(--radius-sm, 4px);
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    color 0.15s ease,
    opacity 0.15s ease,
    box-shadow 0.15s ease;
}
.lernen-quiz-mode__title-text {
  font-size: clamp(1.35rem, 3.8vw, 1.72rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: color-mix(in srgb, var(--text-muted) 55%, var(--text) 45%);
  border-bottom: 3px solid transparent;
  padding-bottom: 0.2rem;
  transition:
    color 0.15s ease,
    border-color 0.15s ease;
}
.lernen-quiz-mode--page-title .lernen-quiz-mode__title-text {
  display: inline-block;
  padding-bottom: 0.35rem;
  border-bottom-width: 0;
}
.lernen-quiz-mode__title-opt:hover .lernen-quiz-mode__title-text {
  color: var(--text);
}
.lernen-quiz-mode--page-title .lernen-quiz-mode__title-opt:has(.lernen-quiz-mode__input:checked) .lernen-quiz-mode__title-text {
  color: var(--text);
  border-bottom-color: transparent;
}
.lernen-quiz-mode__title-slider {
  position: absolute;
  left: 0;
  top: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--lernen-practice-accent);
  pointer-events: none;
  visibility: hidden;
  transition:
    left 0.38s cubic-bezier(0.22, 1, 0.36, 1),
    width 0.38s cubic-bezier(0.22, 1, 0.36, 1),
    background-color 0.28s ease;
}
.lernen-quiz-mode__title-slider--instant {
  transition: none !important;
}
.lernen-quiz-mode__title-slider.is-ready {
  visibility: visible;
}
.lernen-header--mode-title--no-motion .lernen-quiz-mode__title-text,
.lernen-header--mode-title--no-motion .lernen-quiz-mode__title-slider {
  transition: none !important;
}
.lernen-header--mode-title[data-lernen-quiz-mode="exam"] .lernen-quiz-mode__title-slider {
  background: var(--lernen-exam-accent);
}
.lernen-header--mode-title .lernen-quiz-mode__title-text {
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    opacity 0.32s ease,
    transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}
.lernen-header--mode-title[data-lernen-quiz-mode="practice"] .lernen-quiz-mode__title-opt--exam .lernen-quiz-mode__title-text {
  opacity: 0.5;
  transform: translateX(0.28rem);
}
.lernen-header--mode-title[data-lernen-quiz-mode="exam"] .lernen-quiz-mode__title-opt:not(.lernen-quiz-mode__title-opt--exam) .lernen-quiz-mode__title-text {
  opacity: 0.5;
  transform: translateX(-0.28rem);
}
.lernen-header--mode-title .lernen-quiz-mode__title-opt:has(.lernen-quiz-mode__input:checked) .lernen-quiz-mode__title-text {
  opacity: 1;
  transform: translateX(0);
}
.lernen-quiz-mode__title-exam-row {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.lernen-quiz-mode__title-opt--exam {
  display: inline-flex;
  align-items: center;
}
.lernen-quiz-mode__info-hover {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  margin-left: 0.2rem;
  outline: none;
  border-radius: 999px;
  cursor: help;
}
.lernen-quiz-mode__info-hover:focus-visible {
  box-shadow: var(--focus-ring);
}
.lernen-quiz-mode__info-hover .lernen-quiz-mode__info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.45rem;
  height: 1.45rem;
  margin: 0;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-muted);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--text) 6%, transparent);
  pointer-events: none;
}
.lernen-quiz-mode__info-hover:hover .lernen-quiz-mode__info-btn,
.lernen-quiz-mode__info-hover:focus-within .lernen-quiz-mode__info-btn {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: var(--surface-2);
}
.lernen-quiz-mode--page-title .lernen-quiz-mode__info-hover .lernen-quiz-mode__info-glyph {
  transform: none;
  line-height: 1;
}
.lernen-quiz-mode__info-hover .lernen-quiz-mode__popover {
  left: auto;
  right: 0;
  min-width: min(18rem, calc(100vw - 2rem));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(4px);
  transition:
    opacity 0.16s ease,
    visibility 0.16s ease,
    transform 0.16s ease;
}
.lernen-quiz-mode__info-hover:hover .lernen-quiz-mode__popover,
.lernen-quiz-mode__info-hover:focus-within .lernen-quiz-mode__popover {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.lernen-quiz-mode__title-opt:has(.lernen-quiz-mode__input:focus-visible) {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm, 4px);
}
/* Lernen /lernen: Modus-Impact am Schalter (Seite), nicht an laufenden Versuchen */
#lernen-browse {
  --lernen-mode-accent: var(--lernen-practice-accent);
  --lernen-mode-soft: var(--lernen-practice-soft);
  margin-top: 0;
  margin-inline: 0;
  padding: 0 0 var(--space-2);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
#lernen-browse[data-lernen-quiz-mode="exam"],
.lernen-header--mode-title[data-lernen-quiz-mode="exam"] {
  --lernen-mode-accent: var(--lernen-exam-accent);
  --lernen-mode-soft: var(--lernen-exam-soft);
}
#lernen-browse[data-lernen-quiz-mode="practice"] .lernen-card:not(.lernen-card--resume) {
  border-color: color-mix(in srgb, var(--lernen-practice-accent) 20%, var(--border));
  transition: border-color 0.35s ease;
}
#lernen-browse[data-lernen-quiz-mode="exam"] .lernen-card:not(.lernen-card--resume) {
  border-color: color-mix(in srgb, var(--lernen-exam-accent) 26%, var(--border));
  transition: border-color 0.35s ease;
}
.lernen-browse--mode-impact {
  animation: none;
}

/* Semester-Tabs folgen dem gewählten Lernmodus (innerhalb #lernen-browse) */
#lernen-browse > .lernen-sem-tabs {
  margin-top: 0;
  transition: border-color 0.35s ease;
}
#lernen-browse .lernen-sem-tab:hover {
  border-color: color-mix(in srgb, var(--lernen-mode-accent) 35%, var(--border));
}
#lernen-browse .lernen-sem-tab.is-mine {
  border-color: color-mix(in srgb, var(--lernen-mode-accent) 30%, var(--border));
}
#lernen-browse .lernen-sem-tab.is-active {
  background: var(--lernen-mode-accent);
  border-color: var(--lernen-mode-accent);
  color: var(--accent-on, #fff);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--lernen-mode-accent) 40%, transparent);
}
#lernen-browse .lernen-sem-tab.is-active:hover {
  color: var(--accent-on, #fff);
}
#lernen-browse[data-lernen-quiz-mode="exam"] .lernen-sem-tab.is-active {
  background: var(--lernen-mode-soft);
  border-color: var(--lernen-mode-accent);
  color: var(--lernen-mode-accent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--lernen-mode-accent) 20%, transparent);
}
#lernen-browse[data-lernen-quiz-mode="exam"] .lernen-sem-tab.is-active:hover {
  color: var(--lernen-mode-accent);
}
#lernen-browse .lernen-sem-tab__badge {
  color: color-mix(in srgb, var(--lernen-mode-accent) 80%, var(--text));
}
#lernen-browse[data-lernen-quiz-mode="exam"] .lernen-sem-tab.is-active .lernen-sem-tab__badge,
#lernen-browse .lernen-sem-tab.is-active .lernen-sem-tab__badge {
  color: inherit;
}
#lernen-browse .lernen-sem-tab__set-mine:hover {
  border-color: var(--lernen-mode-accent);
  color: var(--lernen-mode-accent);
}
@media (max-width: 520px) {
  .lernen-quiz-mode__title-switch {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
}

/* Sammlungen auf /lernen: gleiche Kachel-Ästhetik wie Klausuren */

.lernen-subject__headrow {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}
.lernen-subject__headrow .lernen-subject__title {
  margin: 0;
  flex: 1 1 12rem;
  padding-bottom: 0;
  border-bottom: none;
}
.lernen-subject__toggle {
  flex: 1 1 auto;
  min-width: 0;
}
.lernen-subject__headrow .lernen-manage-all-lists {
  flex-shrink: 0;
}
.lernen-manage-all-lists {
  font-size: 0.88rem;
  line-height: 1.35;
  text-decoration: none;
}
.lernen-manage-all-lists:hover {
  color: var(--text);
  text-decoration: underline;
}

/* Sammlung: Stift in der Ecke wo sonst nur das Plus liegt; Plus wandert einen Button nach links. */
.lernen-card--collection .lernen-card__edit-saved {
  top: 0.5rem;
  left: auto;
  bottom: auto;
  right: 0.5rem;
  width: 1.85rem;
  height: 1.85rem;
  z-index: 4;
}
.lernen-card--collection.lernen-card--pickable .lernen-card__primary {
  padding-right: 2.75rem;
}

.lernen-card__edit-saved {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.95rem;
  height: 1.95rem;
  padding: 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-muted);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--text) 8%, transparent);
  text-decoration: none;
  transition:
    color 0.15s ease,
    border-color 0.15s ease,
    background 0.15s ease;
}
.lernen-card__edit-saved:hover {
  color: var(--accent-strong);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  background: var(--surface-2);
}
.lernen-card__edit-saved:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.lernen-card__edit-saved-icons {
  position: relative;
  display: block;
  width: 1.05rem;
  height: 1.05rem;
}
.lernen-card__edit-saved-icon {
  position: absolute;
  inset: 0;
  width: 1.05rem;
  height: 1.05rem;
  display: block;
  transition:
    opacity 0.22s ease,
    transform 0.22s ease;
}
.lernen-card__edit-saved-icon--plus,
.lernen-card__edit-saved-icon--check {
  opacity: 0;
  transform: scale(0.55);
}
.lernen-browse--pick-mode .lernen-card--pickable .lernen-card__edit-saved {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
  color: var(--accent-strong, var(--accent));
}
.lernen-browse--pick-mode .lernen-card--pickable .lernen-card__edit-saved-icon--pencil {
  opacity: 0;
  transform: scale(0.55) rotate(-18deg);
}
.lernen-browse--pick-mode .lernen-card--pickable:not(.is-selected) .lernen-card__edit-saved-icon--plus {
  opacity: 1;
  transform: scale(1);
}
.lernen-browse--pick-mode .lernen-card--pickable.is-selected .lernen-card__edit-saved {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-on, #fff);
}
.lernen-browse--pick-mode .lernen-card--pickable.is-selected .lernen-card__edit-saved-icon--plus {
  opacity: 0;
  transform: scale(0.55);
}
.lernen-browse--pick-mode .lernen-card--pickable.is-selected .lernen-card__edit-saved-icon--check {
  opacity: 1;
  transform: scale(1);
}
.lernen-browse--pick-mode .lernen-card--pickable.is-selected .lernen-card__edit-saved:hover {
  color: var(--accent-on, #fff);
}

button.lernen-card__primary:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

#browse-coll-confirm-text {
  white-space: pre-line;
  margin: var(--space-2) 0 0;
}

.browse-saved-breadcrumb {
  margin: 0 0 var(--space-2);
}

/* Semester-Tabs (Pills) */
.lernen-sem-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 var(--space-3);
}
.lernen-sem-tab {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.2;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.lernen-sem-tab:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.lernen-sem-tab.is-mine {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  color: var(--text);
}
.lernen-sem-tab.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-on, #fff);
  font-weight: 600;
  box-shadow: 0 1px 3px color-mix(in srgb, var(--accent) 40%, transparent);
}
.lernen-sem-tab.is-active:hover {
  color: var(--accent-on, #fff);
}
.lernen-sem-tab__badge {
  font-size: 0.85em;
  line-height: 1;
  color: color-mix(in srgb, var(--accent) 80%, var(--text));
}
.lernen-sem-tab.is-active .lernen-sem-tab__badge {
  color: var(--accent-on, #fff);
}
.lernen-sem-tab__set-mine {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px dashed var(--border);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
}
.lernen-sem-tab__set-mine:hover {
  color: var(--text);
  border-color: var(--accent);
}

/* Suchleiste */
.lernen-toolbar {
  margin: 0 0 var(--space-3);
}
.lernen-quiz-mode {
  flex: 0 0 auto;
}
.lernen-quiz-mode--compact .lernen-quiz-mode__control-row {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.65rem;
  max-width: 100%;
  /* sehr schmale Viewports: eine Zeile beibehalten, bei Bedarf horizontal scrollen */
  overflow-x: auto;
  overflow-y: visible;
  padding-bottom: 2px;
  scrollbar-width: thin;
}
.lernen-quiz-mode__label-cluster {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  flex-shrink: 0;
}
.lernen-quiz-mode--compact .lernen-quiz-mode__radios {
  display: flex;
  align-items: stretch;
  flex: 1 1 auto;
  min-width: 0;
}
.lernen-quiz-mode__kicker {
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--text-muted) 82%, var(--text) 18%);
  line-height: 1.2;
  white-space: nowrap;
}
.lernen-quiz-mode--compact .lernen-quiz-mode__track {
  display: flex;
  align-items: stretch;
  box-sizing: border-box;
  flex: 1 1 auto;
  min-width: 15rem;
  max-width: 28rem;
  padding: 4px;
  gap: 4px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  background: color-mix(in srgb, var(--surface-1) 92%, var(--surface-2) 8%);
  box-shadow: inset 0 1px 2px color-mix(in srgb, var(--text) 5%, transparent);
  min-height: auto;
}
.lernen-quiz-mode__details {
  position: relative;
  flex-shrink: 0;
}
.lernen-quiz-mode__label-cluster .lernen-quiz-mode__popover {
  left: 0;
  right: auto;
}
.lernen-quiz-mode__info-btn {
  list-style: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.65rem;
  height: 1.65rem;
  margin: 0;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-muted);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--text) 6%, transparent);
  cursor: pointer;
  transition:
    color 0.15s ease,
    border-color 0.15s ease,
    background 0.15s ease;
}
.lernen-quiz-mode__info-btn::-webkit-details-marker {
  display: none;
}
.lernen-quiz-mode__info-btn:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: var(--surface-2);
}
.lernen-quiz-mode__info-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.lernen-quiz-mode__info-glyph {
  display: block;
  font-size: 0.8rem;
  font-weight: 750;
  font-style: normal;
  line-height: 1;
  font-family: inherit;
  transform: translateY(-0.04em);
}
.lernen-quiz-mode__popover {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 30;
  box-sizing: border-box;
  min-width: 14rem;
  max-width: min(22rem, calc(100vw - 2rem));
  padding: var(--space-3);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  box-shadow:
    0 4px 18px color-mix(in srgb, var(--text) 14%, transparent),
    0 0 0 1px color-mix(in srgb, var(--accent) 12%, transparent);
}
.lernen-quiz-mode__popover-list {
  margin: 0;
  padding-left: 1.05rem;
  font-size: 0.82rem;
  line-height: 1.4;
}
.lernen-quiz-mode__popover-list li + li {
  margin-top: 0.35rem;
}
.lernen-quiz-mode__popover-strong {
  color: var(--text);
  font-weight: 650;
}
.lernen-quiz-mode--compact .lernen-quiz-mode__seg {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  min-width: 6.25rem;
  padding: 0.32rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition:
    background 0.14s ease,
    color 0.14s ease,
    border-color 0.14s ease,
    box-shadow 0.14s ease;
}
.lernen-quiz-mode--compact .lernen-quiz-mode__text {
  font-size: 0.88rem;
  line-height: 1.35;
  font-weight: 600;
  color: color-mix(in srgb, var(--text-muted) 72%, var(--text) 28%);
}
.lernen-quiz-mode__seg:hover .lernen-quiz-mode__text {
  color: var(--text);
}
/* Wie aktive Semester-Pille: gefüllter Accent, keine „halbtransparente“ Fläche */
.lernen-quiz-mode__seg:has(.lernen-quiz-mode__input:checked) {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--accent) 42%, transparent);
}
.lernen-quiz-mode__seg:has(.lernen-quiz-mode__input:checked) .lernen-quiz-mode__text {
  color: var(--accent-on, #fff);
  font-weight: 600;
}
.lernen-quiz-mode__seg:has(.lernen-quiz-mode__input:focus-visible) {
  outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent);
  outline-offset: 2px;
  border-radius: 999px;
}
.lernen-search {
  position: relative;
  display: grid;
  align-items: center;
  max-width: 32rem;
}
.lernen-search__icon {
  grid-area: 1 / 1;
  justify-self: start;
  margin-left: 0.75rem;
  z-index: 1;
  display: block;
  width: 1rem;
  height: 1rem;
  color: var(--text-muted);
  pointer-events: none;
}
.lernen-search__input {
  grid-area: 1 / 1;
  width: 100%;
  box-sizing: border-box;
  height: 2.625rem;
  padding: 0 2.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text);
  font-size: 0.95rem;
  line-height: calc(2.625rem - 2px);
  box-shadow: inset 0 1px 2px color-mix(in srgb, var(--text) 5%, transparent);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.lernen-search__input::placeholder {
  color: color-mix(in srgb, var(--text-muted) 28%, var(--text) 72%);
}
.lernen-search__input::-webkit-search-cancel-button,
.lernen-search__input::-webkit-search-decoration {
  display: none;
}
.lernen-search__input:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
}
.lernen-search__input:focus {
  outline: none;
  border-color: var(--accent-strong, var(--accent));
  box-shadow:
    var(--focus-ring, 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent)),
    inset 0 1px 2px color-mix(in srgb, var(--text) 5%, transparent);
}
.lernen-search__clear {
  grid-area: 1 / 1;
  justify-self: end;
  margin-right: 0.4rem;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  border: 0;
  background: transparent;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
}
.lernen-search__clear:hover {
  color: var(--text);
}
.lernen-search__clear:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent);
}

/* Subject-Sections + Karten-Grid */
.lernen-subject {
  margin: 0 0 var(--space-4);
}
.lernen-subject--hidden {
  display: none !important;
}
.lernen-subject__title {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0 0 0.65rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.lernen-subject__subgroup {
  margin: 0.5rem 0 0.35rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.lernen-series {
  margin: 0 0 var(--space-3);
}
.lernen-series--hidden {
  display: none !important;
}
.lernen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.saved-playlist-grid {
  align-items: start;
}
/* Löschbare Listen: standardmäßig Mülleimer, Plus erst im Mehrfachauswahl-Modus */
.saved-playlist-grid .lernen-card--deletable .lernen-card__pick {
  display: none;
}
.saved-playlist-grid.lernen-browse--pick-mode .lernen-card--deletable .lernen-card__pick {
  display: inline-flex;
}
.saved-playlist-grid.lernen-browse--pick-mode .lernen-card--deletable .saved-card-delete {
  display: none;
}
.saved-playlist-grid .lernen-card__primary {
  min-height: auto;
}
.saved-index-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
}
.saved-index-header-row .muted {
  margin: 0;
}
.saved-index-header-row__actions {
  margin: 0;
}
.saved-new-pop {
  position: absolute;
  z-index: 80;
  width: min(420px, calc(100vw - 20px));
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-1);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--text) 16%, transparent);
}
.saved-new-pop[hidden] {
  display: none !important;
}
.saved-new-pop__arrow {
  position: absolute;
  right: -7px;
  width: 14px;
  height: 14px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--surface-1);
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
}
.saved-new-pop__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
}
.saved-new-pop__head h3 {
  margin: 0;
}
.saved-new-pop__close {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}
.saved-new-pop__close:hover {
  color: var(--text);
}
.saved-new-pop__close:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 8px;
}
.saved-new-pop__form {
  margin: 0;
}
.saved-card-delete {
  margin-top: var(--space-2);
}
.saved-card-delete--corner {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 4;
  margin: 0;
}
.saved-card-delete .btn.secondary {
  padding: 0.35rem 0.55rem;
  font-size: 0.82rem;
}
.lernen-card__delete {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-2) 70%, transparent);
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0.55;
  transition:
    opacity 0.15s ease,
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}
.lernen-card:hover .lernen-card__delete,
.lernen-card__delete:focus-visible {
  opacity: 1;
}
.lernen-card__delete:hover {
  background: color-mix(in srgb, #ef4444 12%, var(--surface-2));
  border-color: color-mix(in srgb, #ef4444 35%, var(--border));
  color: #ef4444;
}
.lernen-card__delete:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, #ef4444 45%, var(--border));
  box-shadow: 0 0 0 2px color-mix(in srgb, #ef4444 22%, transparent);
}
.lernen-card__delete svg {
  width: 1rem;
  height: 1rem;
}
@media (hover: none) {
  .lernen-card__delete {
    opacity: 1;
  }
}

/* Einzelne Prüfungs-Karte */
.lernen-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-1);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--text) 6%, transparent);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    border-color 0.15s ease,
    background 0.15s ease;
  overflow: hidden;
}
.lernen-card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: 0 6px 16px color-mix(in srgb, var(--text) 14%, transparent);
  transform: translateY(-1px);
}
.lernen-card--hidden {
  display: none !important;
}
.lernen-card__form {
  display: contents;
}
.lernen-card__primary {
  appearance: none;
  -webkit-appearance: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  align-items: flex-start;
  text-align: left;
  padding: 0.95rem 2.6rem 0.95rem 1rem;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  cursor: pointer;
  width: 100%;
  min-height: 100%;
}
a.lernen-card__primary {
  text-decoration: none;
  color: inherit;
  box-sizing: border-box;
}
.lernen-card__primary:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--accent) 55%, transparent);
}
.lernen-card__title {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.3;
  color: var(--text);
}
.lernen-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.55rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.lernen-card__date {
  font-variant-numeric: tabular-nums;
}
.lernen-card__count::before {
  content: "·";
  margin-right: 0.4rem;
  color: var(--text-muted);
}
.lernen-card__meta > .lernen-card__count:first-child::before {
  content: "";
  margin-right: 0;
}
.lernen-card__progress {
  display: block;
  width: 100%;
  margin-top: 0.15rem;
}
.lernen-card__score {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.lernen-card__score-bar {
  display: block;
  width: 100%;
  height: 4px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
}
.lernen-card__score-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.25s ease;
}
.lernen-card__score--good .lernen-card__score-fill { background: #2fae66; }
.lernen-card__score--mid .lernen-card__score-fill { background: #d8a13a; }
.lernen-card__score--bad .lernen-card__score-fill { background: #d45a5a; }
.lernen-card__score--good .lernen-card__score-text { color: #2fae66; }
.lernen-card__score--mid .lernen-card__score-text { color: #c08a25; }
.lernen-card__score--bad .lernen-card__score-text { color: #c44a4a; }
.lernen-card__score--none {
  font-style: italic;
}

/* Plus-Auswahl-Button oben rechts */
.lernen-card__pick {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-2) 70%, transparent);
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0.55;
  transition:
    opacity 0.15s ease,
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}
.lernen-card:hover .lernen-card__pick,
.lernen-card__pick:focus-visible {
  opacity: 1;
}
.lernen-card__pick:hover {
  background: var(--surface-2);
  color: var(--text);
}
.lernen-card__pick:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent);
}
.lernen-card__pick svg {
  width: 1rem;
  height: 1rem;
}
.lernen-card__pick-check {
  display: none;
}

/* Touch-Geräte: Pick-Button immer voll sichtbar */
@media (hover: none) {
  .lernen-card__pick {
    opacity: 1;
  }
}

/* Resume-Karte: laufende Lernsitzung – sehr dezent, nur Akzent in der Meta-Zeile + Fortschritt */
.lernen-card--resume .lernen-card__primary {
  padding-bottom: 2.4rem; /* Platz für „Neu starten"-Mini-Link unten */
}
.lernen-card__count--ip {
  color: var(--accent-strong, var(--accent));
  font-weight: 600;
  transition: color 0.35s ease;
}
.lernen-card__score--ip .lernen-card__score-fill {
  background: var(--accent);
  transition: background-color 0.35s ease;
}
.lernen-card--resume .lernen-card__resume-hint {
  transition: color 0.35s ease;
}
/* Laufende Versuche: Farbe = tatsächlicher Startmodus (ändert sich nicht mit dem Schalter) */
.lernen-card--resume-mode-exam .lernen-card__count--ip,
.lernen-card--resume-mode-exam .lernen-card__resume-hint {
  color: var(--lernen-exam-accent);
}
.lernen-card--resume-mode-exam .lernen-card__score--ip .lernen-card__score-fill {
  background: var(--lernen-exam-accent);
}
.lernen-card--resume-mode-practice .lernen-card__count--ip {
  color: var(--lernen-practice-accent, var(--accent-strong, var(--accent)));
}
.lernen-card--resume-mode-practice .lernen-card__score--ip .lernen-card__score-fill {
  background: var(--lernen-practice-accent, var(--accent));
}
.lernen-card__resume-hint {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
}
.lernen-card__restart {
  position: absolute;
  right: 0.75rem;
  bottom: 0.55rem;
  z-index: 2;
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  font: inherit;
  font-size: 0.76rem;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: color-mix(in srgb, var(--text-muted) 50%, transparent);
  transition: color 0.12s ease, background 0.12s ease, text-decoration-color 0.12s ease;
}
.lernen-card__restart:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 6%, transparent);
  text-decoration-color: var(--text);
}
.lernen-card__restart:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent);
}

/* Selektierter Zustand */
.lernen-card.is-selected {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface-1));
  box-shadow:
    0 0 0 1px var(--accent),
    0 6px 16px color-mix(in srgb, var(--accent) 18%, transparent);
}
.lernen-card.is-selected .lernen-card__pick {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-on, #fff);
  opacity: 1;
}
.lernen-card.is-selected .lernen-card__pick-plus {
  display: none;
}
.lernen-card.is-selected .lernen-card__pick-check {
  display: block;
}

/* Floating Action Bar unten */
.lernen-fab {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 8px 16px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: 0 12px 32px color-mix(in srgb, var(--text) 22%, transparent);
  z-index: 50;
  max-width: calc(100vw - 24px);
}
.lernen-fab[hidden] {
  display: none !important;
}
.lernen-fab__count {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
  white-space: nowrap;
}
.lernen-fab__btn {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.lernen-fab__btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.lernen-fab__btn--ghost:hover {
  color: var(--text);
  background: var(--surface-2);
}
.lernen-fab__btn--primary {
  background: var(--accent);
  color: var(--accent-on, #fff);
}
.lernen-fab__btn--primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, black);
}
.lernen-fab__btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent);
}

@media (max-width: 520px) {
  .lernen-fab {
    width: calc(100vw - 24px);
    justify-content: space-between;
    padding-left: 14px;
  }
}

/* Empty-State (kein Semester gewählt) */
.lernen-empty-state {
  text-align: center;
  padding: clamp(20px, 4vw, 40px);
}
.lernen-empty-state h1 {
  margin: 0 0 0.4rem;
}
.lernen-empty-state p {
  margin: 0 auto 1rem;
  max-width: 36rem;
}
.lernen-empty-state__pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.lernen-empty-state__pill {
  appearance: none;
  -webkit-appearance: none;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text);
  font: inherit;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.lernen-empty-state__pill:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--surface-1));
}
.lernen-empty-state__pill:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent);
}

.lernen-empty,
.lernen-live-empty {
  margin: var(--space-2) 0;
}

/* Frage-Treffer-Sektion (Live-Suche nach Fragetexten) */
.lernen-question-hits {
  margin: var(--space-3) 0 calc(var(--space-3) + 56px);
  padding: clamp(12px, 2vw, 18px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface-2) 35%, var(--surface-1));
}
.lernen-question-hits[hidden] {
  display: none !important;
}
.lernen-question-hits__title {
  margin: 0 0 0.6rem;
  font-size: 1rem;
  font-weight: 600;
}
.lernen-question-hits__title [data-q] {
  color: var(--accent-strong, var(--accent));
}
.lernen-question-hits__group {
  margin-top: 0.65rem;
}
.lernen-question-hits__group[hidden] {
  display: none !important;
}
.lernen-question-hits__group-title {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.lernen-question-hits__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.lernen-question-hit {
  margin: 0;
  padding: 0;
}
.lernen-question-hit__form {
  margin: 0;
}
.lernen-question-hit__btn {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 100%;
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, transform 0.12s ease;
}
.lernen-question-hit__btn:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 6%, var(--surface-1));
}
.lernen-question-hit__btn:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent);
}
.lernen-question-hit--exact-id .lernen-question-hit__btn {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--surface-1));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}
.lernen-question-hit__snippet-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
}
.lernen-question-hit__qid {
  flex: 0 0 auto;
  font-size: 0.78rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}
.lernen-question-hit--exact-id .lernen-question-hit__qid {
  color: var(--accent-strong, var(--accent));
}
.lernen-question-hit__snippet {
  flex: 1 1 12rem;
  font-size: 0.92rem;
  line-height: 1.35;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.lernen-question-hit__snippet mark {
  background: color-mix(in srgb, var(--accent) 25%, transparent);
  color: inherit;
  border-radius: 3px;
  padding: 0 2px;
}
.lernen-question-hit__ctx {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.45rem;
  font-size: 0.78rem;
}
.lernen-question-hit__sem {
  margin-left: auto;
  font-style: italic;
}
.lernen-question-hit__sem:empty {
  display: none;
}
.lernen-question-hits__empty,
.lernen-question-hits__loading {
  margin: 0.6rem 0 0;
  font-size: 0.88rem;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .lernen-card,
  .lernen-card__pick,
  .lernen-card__score-fill,
  .lernen-sem-tab,
  .lernen-question-hit__btn {
    transition: none;
  }
  .lernen-card:hover {
    transform: none;
  }
  .star-rating-input__face,
  .star-rating-input__face.is-preview {
    transition: none;
  }
  .star-rating-input__face.is-preview {
    transform: none;
  }
}
input,
textarea,
select {
  font: inherit;
  color: var(--text);
}

/* ── Formularfelder: einheitliche Optik ─────────────────────────────────── */
html:where(
  [data-theme="dark"],
  [data-theme="ocean"],
  [data-theme="forest"],
  [data-theme="sunset"],
  [data-theme="rose"],
  [data-theme="slate"],
  [data-theme="amber"],
  [data-theme="espresso"],
  [data-theme="midnight"],
  [data-theme="void"]
) {
  color-scheme: dark;
}

.form-stack :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="image"]):not([type="file"]),
  textarea,
  select
),
input.form-control,
textarea.form-control,
select.form-control,
.anki-search__field,
.form-task-add__control,
.exam-submit-form__textarea,
.exam-submit-form__opt-text,
.question-report-form__textarea,
.anki-upload__input,
.admin-exam-dates__input {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text);
  line-height: 1.45;
  box-shadow: inset 0 1px 2px color-mix(in srgb, var(--text) 5%, transparent);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-stack :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="image"]):not([type="file"]),
  textarea
)::placeholder,
.anki-search__field::placeholder,
.form-task-add__control::placeholder,
.exam-submit-form__textarea::placeholder,
.exam-submit-form__opt-text::placeholder,
.question-report-form__textarea::placeholder,
.anki-upload__input::placeholder {
  color: color-mix(in srgb, var(--text-soft) 32%, var(--text) 68%);
  opacity: 1;
}
.form-stack :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="image"]):not([type="file"]),
  textarea,
  select
):hover,
.anki-search__field:hover,
.form-task-add__control:hover,
.exam-submit-form__textarea:hover,
.exam-submit-form__opt-text:hover,
.question-report-form__textarea:hover,
.anki-upload__input:hover,
.admin-exam-dates__input:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
}
.form-stack :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="image"]):not([type="file"]),
  textarea,
  select
):focus,
.anki-search__field:focus,
.form-task-add__control:focus,
.exam-submit-form__textarea:focus,
.exam-submit-form__opt-text:focus,
.question-report-form__textarea:focus,
.anki-upload__input:focus,
.admin-exam-dates__input:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow:
    var(--focus-ring),
    inset 0 1px 2px color-mix(in srgb, var(--text) 6%, transparent);
}

.form-stack input[type="file"],
.exam-submit-form__file {
  display: block;
  width: 100%;
  max-width: 28rem;
  box-sizing: border-box;
  padding: 0.5rem 0.35rem;
  font: inherit;
  font-size: 0.88rem;
  line-height: 1.4;
  color: var(--text);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-stack input[type="file"]:hover,
.exam-submit-form__file:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
}
.form-stack input[type="file"]:focus,
.exam-submit-form__file:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: var(--focus-ring);
}
.form-stack input[type="file"]::file-selector-button,
.form-stack input[type="file"]::-webkit-file-upload-button,
.exam-submit-form__file::file-selector-button,
.exam-submit-form__file::-webkit-file-upload-button {
  margin-right: var(--space-2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}
.form-stack input[type="file"]:hover::file-selector-button,
.form-stack input[type="file"]:hover::-webkit-file-upload-button,
.exam-submit-form__file:hover::file-selector-button,
.exam-submit-form__file:hover::-webkit-file-upload-button {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  color: var(--accent-strong);
}

html:where(
  [data-theme="dark"],
  [data-theme="ocean"],
  [data-theme="forest"],
  [data-theme="sunset"],
  [data-theme="rose"],
  [data-theme="slate"],
  [data-theme="amber"],
  [data-theme="espresso"],
  [data-theme="midnight"],
  [data-theme="void"]
)
.form-stack :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="image"]):not([type="file"]),
  textarea,
  select
),
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.anki-search__field,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.form-task-add__control,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.exam-submit-form__textarea,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.exam-submit-form__opt-text,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.anki-upload__input,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.admin-exam-dates__input {
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.22);
}
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.form-stack :where(
  input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="image"]):not([type="file"]),
  textarea,
  select
):focus,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.anki-search__field:focus,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.form-task-add__control:focus,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.exam-submit-form__textarea:focus,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.exam-submit-form__opt-text:focus,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.anki-upload__input:focus,
html:where([data-theme="dark"], [data-theme="ocean"], [data-theme="forest"], [data-theme="sunset"], [data-theme="rose"], [data-theme="slate"], [data-theme="amber"], [data-theme="espresso"], [data-theme="midnight"], [data-theme="void"])
.admin-exam-dates__input:focus {
  box-shadow: var(--focus-ring), inset 0 1px 2px rgba(0, 0, 0, 0.28);
}

.exam-submit-form__label,
.form-task-add__label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.35;
}
/* Unbeschriftete Labels in Standard-Stacks (z. B. manage_new, Login) */
.form-stack p > label:first-child {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.35;
}
.password-input-wrap {
  position: relative;
  display: block;
}
.password-input-wrap input {
  padding-right: 2.55rem;
}
.password-toggle-btn {
  position: absolute;
  right: 0.45rem;
  top: 50%;
  transform: translateY(-50%);
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  background: var(--surface-2);
  color: var(--text-soft);
  font: inherit;
  white-space: nowrap;
  width: 1.7rem;
  height: 1.7rem;
  padding: 0;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.password-toggle-btn__icon {
  width: 0.98rem;
  height: 0.98rem;
}
.password-toggle-btn__icon--hide {
  display: none;
}
.password-toggle-btn[data-password-state="shown"] .password-toggle-btn__icon--show {
  display: none;
}
.password-toggle-btn[data-password-state="shown"] .password-toggle-btn__icon--hide {
  display: inline-block;
}
.password-toggle-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
  color: var(--text);
}
.password-toggle-btn:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}
.badge,
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 700;
}
.tag {
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.accent {
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.badge.success {
  background: var(--success-soft);
  color: var(--success);
}
.task-done {
  text-decoration: line-through;
  opacity: 0.62;
}
.nobr {
  white-space: nowrap;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
}
.topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 30;
  align-items: center;
  gap: var(--space-3);
  height: var(--topbar-h);
  padding: 0 var(--space-3);
  background: color-mix(in srgb, var(--surface-1) 90%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.topbar__menu {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.topbar__menu:hover {
  background: var(--surface-2);
}
.topbar__menu:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.topbar__menu-bars {
  position: relative;
  display: inline-block;
  width: 22px;
  height: 16px;
}
.topbar__menu-bars > span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}
.topbar__menu-bars > span:nth-child(1) { top: 0; }
.topbar__menu-bars > span:nth-child(2) { top: 7px; }
.topbar__menu-bars > span:nth-child(3) { top: 14px; }
.topbar__brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  line-height: 1.2;
  font-family: "Open Sans", ui-sans-serif, sans-serif;
  font-weight: 300;
  font-size: 1.18rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.03em;
}
.topbar__brand .brand-logo__svg {
  width: 1.5rem;
  height: 1.5rem;
}
.topbar__brand .app-brand__wordmark {
  font-weight: 300;
  font-size: 1.18rem;
  letter-spacing: 0.03em;
}
.topbar__brand:hover {
  color: var(--accent);
}

/* Oberleisten-Modus: Hauptspalte zentrieren; Fließtext und Überschriften zentriert */
body.nav-layout-top .main {
  margin-inline: auto;
  box-sizing: border-box;
  text-align: center;
}
body.nav-layout-top .main :is(
  form,
  table,
  thead,
  tbody,
  tfoot,
  tr,
  th,
  td,
  pre,
  code,
  fieldset,
  input,
  textarea,
  select,
  .form-stack,
  .settings-page,
  .admin-page,
  .quiz-runner,
  .quiz-browse,
  .heatmap-frame,
  .heatmap,
  .activity-visual-row,
  .cal-nav,
  .cal-grid,
  .cal-legend,
  .chat-thread,
  .exam-sitting-card,
  label.checkbox-row
) {
  text-align: start;
}
body.nav-layout-top .main .page-head,
body.nav-layout-top .main .streak-summary__row,
body.nav-layout-top .main .card-grid {
  justify-content: center;
}
body.nav-layout-top .main .page-head__title {
  flex: 0 1 auto;
}
body.nav-layout-top .main .streak-summary__right {
  margin-left: 0;
}

/* Desktop: Hauptnavigation in der Kopfzeile statt Sidebar */
@media (min-width: 821px) {
  body.nav-layout-top .layout {
    flex-direction: column;
  }
  body.nav-layout-top .topbar {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    width: 100%;
    max-width: none;
    margin-inline: 0;
    box-sizing: border-box;
    padding: 0 var(--space-4);
    flex: 0 0 auto;
    min-width: 0;
    gap: var(--space-2);
  }
  body.nav-layout-top .topbar__menu {
    display: none;
  }
  body.nav-layout-top .sidebar,
  body.nav-layout-top .sidebar-resizer {
    display: none !important;
  }
  body.nav-layout-top .main {
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
    width: 100%;
    max-width: var(--main-max-width);
    box-sizing: border-box;
  }
  body.nav-layout-top .topbar__brand {
    flex-shrink: 0;
  }
  body.nav-layout-top .topbar-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-end;
    gap: 2px;
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    padding: 0;
    width: auto;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }
  body.nav-layout-top .topbar-nav .nav-item {
    width: auto;
    min-height: 38px;
    padding: 0 0.45rem;
    justify-content: center;
    gap: 0.35rem;
    flex-shrink: 0;
    white-space: nowrap;
  }
  body.nav-layout-top .topbar-nav .nav-label {
    display: inline !important;
    white-space: nowrap;
  }
}
@media (max-width: 820px) {
  .topbar-nav {
    display: none !important;
  }
}

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 25;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms cubic-bezier(0.16, 1, 0.3, 1);
}
.sidebar-close {
  display: none;
}

@media (max-width: 820px) {
  .layout {
    flex-direction: column;
  }
  .topbar {
    display: flex;
  }
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100dvh;
    min-height: 0;
    width: min(82vw, 320px);
    flex: 0 0 auto;
    flex-direction: column;
    padding: var(--space-3);
    border-right: 1px solid var(--border);
    transform: translate3d(-104%, 0, 0);
    will-change: transform;
    transition: transform 260ms cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 40;
    overflow-y: auto;
  }
  body.sidebar-open .sidebar,
  body:not(.sidebar-open) .sidebar {
    padding-right: var(--space-3);
  }
  body.mobile-nav-open .sidebar {
    transform: translate3d(0, 0, 0);
  }
  .sidebar__surface {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    width: 100%;
  }
  .nav-icons,
  body.sidebar-open .nav-icons {
    align-items: stretch;
  }
  .nav-item,
  body.sidebar-open .nav-item {
    width: 100%;
    justify-content: flex-start;
    gap: 0.5rem;
    padding: 0 0.5rem;
    min-height: 44px;
  }
  .nav-label,
  body.sidebar-open .nav-label {
    display: inline;
  }
  .sidebar-close {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
    width: 100%;
    min-height: 44px;
    margin-top: var(--space-2);
    padding: 0 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font: inherit;
  }
  .sidebar-close:hover {
    color: var(--text);
    background: var(--surface-2);
  }
  .sidebar-resizer {
    display: none;
  }
  body.mobile-nav-open {
    overflow: hidden;
  }
  body.mobile-nav-open .mobile-nav-backdrop {
    opacity: 1;
    pointer-events: auto;
  }
  .flash-wrap {
    top: calc(var(--topbar-h) + 8px);
    right: 8px;
    left: 8px;
    width: auto;
  }
}

@media (max-width: 820px) and (prefers-reduced-motion: reduce) {
  .mobile-nav-backdrop,
  .sidebar {
    transition-duration: 0.01ms;
    transition-timing-function: linear;
    will-change: auto;
  }
}

@media (max-width: 640px) {
  .btn {
    min-height: 44px;
  }
  .lernen-start-bar__primary .btn {
    width: 100%;
  }
  .lernen-start-bar__actions {
    width: 100%;
  }
  .lernen-start-bar__actions .btn {
    flex: 1 1 0;
  }
  .table-wrap {
    font-size: 0.92rem;
  }
  details.lernen-fold.card > .lernen-fold__summary,
  details.lernen-fold.card > .lernen-fold__content {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
}

/* Erweiterte Layout- und Navigationsstile */
.sidebar-footer {
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
}
body.sidebar-open .sidebar-footer {
  align-items: stretch;
}
.nav-icon {
  width: 1.35rem;
  height: 1.35rem;
  flex-shrink: 0;
}

.main { font-size: inherit; }

h1,
h2,
h3 {
  margin: 0 0 0.55em;
  line-height: 1.2;
}
.page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.page-head__title {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.unstyled {
  margin: 0;
  padding: 0;
  list-style: none;
}
.list-stack > li + li {
  margin-top: var(--space-3);
}
.pre-wrap {
  white-space: pre-wrap;
}
.soft {
  color: var(--text-soft);
  font-size: 0.9rem;
}

/* Klausurtermin anlegen (/admin/klausur-termine/neu): sehr kompakt */
.exam-manage-new > h1 {
  margin-bottom: 0;
  line-height: 1.2;
}
.exam-manage-new__intro {
  margin: 0 0 2px;
  max-width: 52rem;
  font-size: 0.88rem;
  line-height: 1.38;
  color: var(--text-muted);
}
.exam-manage-new__form.form-stack.card {
  margin-top: 2px;
  margin-bottom: var(--space-1);
  padding: 8px 10px;
}
.exam-manage-new__form.form-stack p {
  margin-bottom: 2px;
}
.exam-manage-new__form.form-stack p:has(> label:first-child) {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 3px;
}
.exam-manage-new__form.form-stack p.form-row {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}
.exam-manage-new__form.form-stack p:last-child {
  margin-bottom: 0;
}
/* Minimaler Abstand zwischen Label und Eingabe (gap im Flex-Stack) */
.exam-manage-new__form.form-stack p > label:first-child {
  margin: 0;
  padding: 0;
  font-size: 0.84rem;
  line-height: 1.25;
}
/* Mehrere Optionen in einer Zeile (Radios): nicht nur :first-child stylen */
.exam-manage-new__form.form-stack p.form-row > label {
  margin: 0;
  padding: 0;
  font-size: 0.84rem;
  line-height: 1.25;
}
.exam-manage-new__form.form-stack p > :is(input, textarea, select) {
  margin-top: 0;
}
.exam-manage-new__form.form-stack > fieldset.exam-target-fieldset {
  margin-bottom: 2px;
  padding: 4px 8px 4px;
}
.exam-manage-new__form .exam-target-fieldset > legend {
  padding: 0 0.25rem;
  margin-bottom: 2px;
  font-size: 0.95rem;
}

.form-stack p,
.form-stack legend {
  margin: 0 0 var(--space-3);
}
.form-stack legend {
  font-weight: 700;
  font-size: 1rem;
}

/* „Ziel-Klausur“ u. ä.: abgerundeter Rahmen wie Inputs/Buttons */
.form-stack .exam-target-fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4) var(--space-2);
  margin: 0 0 var(--space-3);
  background: color-mix(in srgb, var(--surface-1) 96%, transparent);
  min-width: 0;
}

.inline-form {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}
.actions {
  margin: var(--space-5) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}
/* .form-stack p hat margin-top: 0 mit höherer Spezifität — Buttonzeile ausnehmen */
.form-stack p.actions {
  margin-top: var(--space-5);
  margin-bottom: 0;
}
.actions--end {
  justify-content: flex-end;
}
.actions--quiz-nav {
  justify-content: flex-start;
}
.actions--quiz-nav__end {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-left: auto;
}

.option-list {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}
.option-list label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-1) 94%, transparent);
  cursor: pointer;
}
.option-list input {
  margin-top: 0.2rem;
}

.audience-pie-layout {
  display: grid;
  grid-template-columns: min(220px, 52vw) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
  margin-top: var(--space-3);
}
@media (max-width: 560px) {
  .audience-pie-layout {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  .pie-legend {
    width: 100%;
  }
}
.audience-pie {
  width: min(220px, 52vw);
  aspect-ratio: 1;
  border-radius: 50%;
  outline: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.audience-pie-empty {
  margin: var(--space-3) 0 0;
}
.pie-legend {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.42rem;
  font-size: 0.92rem;
  line-height: 1.35;
}
.pie-legend li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}
.pie-legend-dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.28em;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--text) 12%, transparent);
}
.pie-legend-n {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-right: 0.14em;
  color: var(--text-muted);
}
.pie-legend-text {
  flex: 1;
}

/* Kalender: neue Aufgabe / Erinnerung */
.task-add-card {
  margin-top: 1.5rem;
}

/* Aufklapp-Animation für <details> (ICS-Import, Anki-Kommentare, …) */
[data-details-anim] {
  --details-anim-dur: 220ms;
  --details-anim-ease: cubic-bezier(0.4, 0, 0.2, 1);
}
/* Ohne JS: einfaches Grid-Aufklappen */
[data-details-anim]:not(.details-anim--js) .details-anim__expand {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows var(--details-anim-dur) var(--details-anim-ease);
}
[data-details-anim]:not(.details-anim--js)[open] .details-anim__expand {
  grid-template-rows: 1fr;
}
[data-details-anim]:not(.details-anim--js) .details-anim__expand > * {
  min-height: 0;
  overflow: hidden;
}
[data-details-anim][data-details-anim-fade]:not(.details-anim--js):not([open]) .details-anim__expand > * {
  opacity: 0;
}
[data-details-anim][data-details-anim-fade]:not(.details-anim--js)[open] .details-anim__expand > * {
  opacity: 1;
  transition: opacity calc(var(--details-anim-dur) * 0.9) var(--details-anim-ease);
}
/* Mit JS: Höhe wird per Skript animiert */
[data-details-anim].details-anim--js > .details-anim__expand {
  display: block !important;
  overflow: hidden;
  height: 0;
}
[data-details-anim].details-anim--js.is-expanded:not(.details-anim--busy) > .details-anim__expand {
  height: auto;
}
[data-details-anim][data-details-anim-fade].details-anim--js:not(.is-expanded) .details-anim__expand > * {
  opacity: 0;
}
[data-details-anim][data-details-anim-fade].details-anim--js.is-expanded .details-anim__expand > * {
  opacity: 1;
  transition: opacity calc(var(--details-anim-dur) * 0.85) var(--details-anim-ease);
}
@media (prefers-reduced-motion: reduce) {
  [data-details-anim]:not(.details-anim--js) .details-anim__expand,
  [data-details-anim][data-details-anim-fade]:not(.details-anim--js) .details-anim__expand > *,
  [data-details-anim][data-details-anim-fade].details-anim--js .details-anim__expand > * {
    transition-duration: 0.01ms;
    transition-timing-function: linear;
  }
  .anki-card__details-chevron {
    transition-duration: 0.01ms;
    transition-timing-function: linear;
  }
}

/* Kalender: heiCO ICS-Import (eingeklappt bis Klick auf Titel) */
.task-add-card__ics-details {
  margin: 0;
}
.task-add-card__ics-summary {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
  cursor: pointer;
  user-select: none;
}
.task-add-card__ics-summary::-webkit-details-marker {
  display: none;
}
.task-add-card__ics-summary::marker {
  content: "";
}
.task-add-card__ics-summary::after {
  content: "";
  width: 0.65em;
  height: 0.65em;
  flex-shrink: 0;
  margin-inline-start: auto;
  background: currentColor;
  opacity: 0.55;
  -webkit-mask: var(--ui-chevron-mask) center / 100% no-repeat;
  mask: var(--ui-chevron-mask) center / 100% no-repeat;
  transform: rotate(0deg);
  transition: transform var(--details-anim-dur) var(--details-anim-ease), opacity 0.15s ease;
}
.task-add-card__ics-details.is-expanded > .task-add-card__ics-summary::after,
.task-add-card__ics-details:not(.details-anim--js)[open] > .task-add-card__ics-summary::after {
  transform: rotate(90deg);
  opacity: 0.72;
}
.task-add-card__ics-title {
  margin: 0;
  flex: 1;
  min-width: 0;
}
.task-add-card__ics-body {
  padding-top: var(--space-3);
}
.ics-title-rules-form__textarea {
  width: 100%;
  max-width: 100%;
  min-height: 5rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
  line-height: 1.45;
  resize: vertical;
}
.ics-title-rules-form {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
@media (prefers-reduced-motion: reduce) {
  .task-add-card__ics-summary::after {
    transition-duration: 0.01ms;
    transition-timing-function: linear;
  }
}
.task-undated-card {
  margin-top: 1rem;
}
.form-task-add .form-task-add__field {
  margin: 0 0 var(--space-3);
}
.form-task-add .form-task-add__actions {
  margin: var(--space-4) 0 0;
}
.form-task-add__hint {
  font-weight: 500;
  color: var(--text-soft);
}
.form-task-add__control {
  max-width: 40rem;
}
.form-task-add__datetime-row {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.65rem;
  max-width: 40rem;
}
.form-task-add__datetime-row .form-task-add__control {
  width: auto;
  min-height: 2.75rem;
}
.form-task-add__control--date {
  flex: 1 1 11rem;
  min-width: 9rem;
  max-width: 18rem;
}
.form-task-add__control--time {
  flex: 0 0 auto;
  min-width: 6.25rem;
  max-width: 10rem;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Exam-Protokoll: Aufgabe einreichen */
.exam-submit-form__question {
  margin: 0 0 var(--space-4);
}
.exam-submit-form__opt--hidden {
  display: none !important;
}
.exam-submit-form__textarea {
  min-height: 7rem;
  padding: 0.8rem 1rem;
  line-height: 1.55;
  font-size: 0.98rem;
  resize: vertical;
}
.exam-submit-form__images {
  margin: 0 0 var(--space-4);
}
.exam-submit-form__images-hint {
  margin: 0 0 var(--space-2);
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.exam-submit-form__answers {
  margin: 0;
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}
.exam-submit-form__answers-title {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
}
.exam-submit-form__answers-hint {
  margin: 0 0 var(--space-3);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.45;
}
.exam-submit-form__opts {
  display: grid;
  gap: var(--space-2);
  margin: 0 0 var(--space-1);
}
.exam-submit-form__opt {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: var(--space-2);
  align-items: center;
}
.exam-submit-form__correct {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
}
.exam-submit-form__correct input[type="radio"] {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0;
  cursor: pointer;
  accent-color: var(--accent-strong);
}
.exam-submit-form__opt-text {
  font-size: 0.95rem;
}
@media (max-width: 520px) {
  .exam-submit-form__opt {
    grid-template-columns: 2.25rem minmax(0, 1fr);
  }
}

/* ── Quiz-Runner: Frage + Sidebar mit Fragenübersicht (Moodle-Stil) ───────── */
.quiz-runner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(220px, 22vw, 280px);
  gap: var(--space-4);
  align-items: start;
  /* Antwort-Kästchen in der Frage (nicht Einstellungs-Vorschau) */
  --quiz-opt-chk-size: 1.125rem;
  --quiz-opt-chk-radius: 4px;
  --quiz-opt-chk-clean-radius: 2px;
  --quiz-opt-chk-border: 1.25px;
  --quiz-opt-chk-tick-w: 0.29rem;
  --quiz-opt-chk-tick-h: 0.5rem;
  --quiz-opt-chk-tick-stroke: 1.4px;
}
.quiz-runner__main {
  min-width: 0;
}
.quiz-runner__nav {
  position: sticky;
  top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.quiz-runner__nav > .card {
  margin-bottom: 0;
}
@media (max-width: 900px) {
  .quiz-runner {
    grid-template-columns: 1fr;
  }
  .quiz-runner__nav {
    position: static;
  }
}

/* Antwort-Kästchen: Einstellungs-Vorschau (Referenzgröße, unverändert zur Lesbarkeit) */
.pref-field--quiz-learn-check {
  --quiz-opt-chk-size: 1.6rem;
  --quiz-opt-chk-radius: 6px;
  --quiz-opt-chk-clean-radius: 4px;
  --quiz-opt-chk-border: 1.5px;
  --quiz-opt-chk-tick-w: 0.336rem;
  --quiz-opt-chk-tick-h: 0.576rem;
  --quiz-opt-chk-tick-stroke: 1.6px;
}

.question-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.question-card__head-left {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}
.question-card__qid {
  font-size: 0.85rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.question-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
}
.question-card__title {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.15rem, 1.5vw, 1.45rem);
  line-height: 1.3;
}
.question-card__media {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0 0 var(--space-4);
}
.question-card__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.question-card__figure-trigger {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  font: inherit;
  color: inherit;
  text-align: inherit;
}
.question-card__figure-trigger:hover img {
  opacity: 0.92;
}
.question-card__figure-trigger:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.question-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(70vh, 520px);
  object-fit: contain;
  transition: opacity 0.15s ease;
}
@media (prefers-reduced-motion: reduce) {
  .question-card__figure img {
    transition: none;
  }
}

.question-image-lightbox {
  padding: 0;
  border: none;
  margin: 0;
  max-width: none;
  max-height: none;
  width: 100%;
  height: 100%;
  background: transparent;
  overflow: hidden;
}
.question-image-lightbox::backdrop {
  background: rgba(0, 0, 0, 0.88);
}
.question-image-lightbox__stage {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: 100dvh;
  height: 100vh;
  padding: var(--space-5) var(--space-4);
  cursor: default;
}
.question-image-lightbox__viewport {
  position: absolute;
  inset: var(--space-5) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: default;
}
.question-image-lightbox__frame {
  flex-shrink: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  transform: translate(var(--question-lb-pan-x, 0px), var(--question-lb-pan-y, 0px))
    scale(var(--question-lb-scale, 1));
  transform-origin: center center;
  cursor: grab;
  touch-action: none;
  user-select: none;
}
.question-image-lightbox__frame.is-dragging {
  cursor: grabbing;
}
.question-image-lightbox__close {
  position: fixed;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid color-mix(in srgb, var(--border) 40%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-1) 92%, transparent);
  color: var(--text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}
.question-image-lightbox__close:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}
.question-image-lightbox__close:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.question-image-lightbox__img {
  display: block;
  width: auto;
  height: auto;
  max-width: min(96vw, 100%);
  max-height: min(92dvh, 92vh);
  object-fit: contain;
  pointer-events: none;
}

.question-image-ctx-menu {
  position: fixed;
  z-index: 10000;
  min-width: 11.5rem;
  max-width: min(18rem, 92vw);
  padding: 0.35rem 0;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-1);
  color: var(--text);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}
.question-image-ctx-menu__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.question-image-ctx-menu__item {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0.45rem 0.85rem;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
}
.question-image-ctx-menu__item:hover,
.question-image-ctx-menu__item:focus-visible {
  background: var(--surface-2);
  outline: none;
}
.question-image-ctx-menu__item:focus-visible {
  box-shadow: inset var(--focus-ring);
}
.question-image-ctx-menu__item:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.question-image-ctx-menu__sep {
  height: 1px;
  margin: 0.3rem 0;
  background: var(--border);
}
.question-image-ctx-menu__status {
  margin: 0;
  padding: 0.35rem 0.85rem 0.2rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.bookmark-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.bookmark-toggle:hover {
  color: var(--text);
  background: var(--surface-2);
}
.bookmark-toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.bookmark-toggle svg {
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
}
/* Nur Markieren („Lesezeichen“), nicht Speichern in Sammlungen */
.bookmark-toggle.is-on:not(.question-save-toggle) {
  color: #d97706;
  border-color: color-mix(in srgb, #d97706 35%, var(--border));
  background: color-mix(in srgb, #d97706 10%, var(--surface-1));
}
.bookmark-toggle.is-on:not(.question-save-toggle) .bookmark-toggle__shape {
  fill: #f59e0b;
  stroke: #b45309;
}

.question-save-toggle.is-on {
  color: var(--accent-strong);
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 70%, var(--surface-1));
}
.bookmark-toggle__label {
  white-space: nowrap;
}
@media (max-width: 540px) {
  .bookmark-toggle__label {
    display: none;
  }
  .bookmark-toggle {
    padding: 0.35rem;
  }
}

.question-save-toggle.is-on .question-save-toggle__shape {
  fill: color-mix(in srgb, var(--accent) 18%, transparent);
  stroke: var(--accent-strong);
}

.question-save-dialog {
  padding: 0;
  border: none;
  border-radius: var(--radius);
  width: min(32rem, 94vw);
  max-width: min(32rem, 94vw);
  background: var(--surface-1);
  color: var(--text);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}
.question-save-dialog::backdrop {
  background: rgba(0, 0, 0, 0.35);
}
.question-save-dialog__inner {
  position: relative;
  padding: var(--space-4);
}
.question-save-dialog__close {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  width: 1.9rem;
  height: 1.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-1);
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}
.question-save-dialog__close:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}
.question-save-dialog__close:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.question-save-dialog__title {
  margin: 0 0 var(--space-2);
  font-size: 1.1rem;
}
.question-save-dialog__hint {
  margin: 0 0 var(--space-3);
  font-size: 0.9rem;
}
.question-save-dialog__search-row {
  margin-bottom: var(--space-2);
}
.question-save-dialog__search-row .question-save-dialog__input {
  width: 100%;
  box-sizing: border-box;
  display: block;
}
.question-save-dialog__list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: var(--space-3);
  max-height: min(50vh, 22rem);
  overflow: auto;
}
.question-save-dialog__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  transition:
    border-color 0.16s ease,
    background-color 0.16s ease,
    box-shadow 0.16s ease;
}
/* Hover: kein Versatz (sonst oben abgeschnitten in scrollbarem Bereich), nur Licht/Schatten */
.question-save-dialog__row:hover:not(.is-selected) {
  border-color: color-mix(in srgb, var(--text) 14%, var(--border));
  background: color-mix(in srgb, var(--surface-1) 28%, var(--surface-2));
  box-shadow: 0 2px 10px color-mix(in srgb, var(--text) 7%, transparent);
}
.question-save-dialog__row.is-selected:hover {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
  background: color-mix(in srgb, var(--accent) 13%, var(--surface-2));
  box-shadow: 0 3px 14px color-mix(in srgb, var(--accent) 22%, transparent);
}
.question-save-dialog__row.is-selected {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--surface-2));
}
.question-save-dialog__row:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.question-save-dialog__meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}
.question-save-dialog__row-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}
.question-save-dialog__row-sub {
  font-size: 0.76rem;
  color: var(--text-muted);
}
.question-save-dialog__plus {
  position: relative;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-muted);
  font: inherit;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    transform 0.14s ease,
    border-color 0.16s ease,
    background-color 0.16s ease,
    color 0.16s ease;
}
.question-save-dialog__plus:active:not(:disabled) {
  transform: translateY(1px);
}
.question-save-dialog__plus.is-on {
  background: color-mix(in srgb, var(--accent) 14%, var(--surface-1));
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--accent-strong);
  transform: scale(1.03);
}
.question-save-dialog__plus.is-on:active:not(:disabled) {
  transform: scale(1.03) translateY(1px);
}
.question-save-dialog__plus-icon {
  position: absolute;
  inset: 0.26rem;
  width: calc(100% - 0.52rem);
  height: calc(100% - 0.52rem);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.question-save-dialog__plus-icon--plus {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}
.question-save-dialog__plus-icon--check {
  opacity: 0;
  transform: rotate(-75deg) scale(0.7);
}
.question-save-dialog__plus.is-on .question-save-dialog__plus-icon--plus {
  opacity: 0;
  transform: rotate(75deg) scale(0.7);
}
.question-save-dialog__plus.is-on .question-save-dialog__plus-icon--check {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}
.question-save-dialog__plus:hover:not(:disabled):not(.is-on) {
  border-color: color-mix(in srgb, var(--text) 18%, var(--border));
  background: var(--surface-2);
  color: var(--text);
}
.question-save-dialog__plus.is-on:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--accent) 19%, var(--surface-1));
}
.question-save-dialog__plus:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.question-save-dialog__empty {
  margin: 0;
  padding: 0.55rem 0.45rem;
  border-radius: var(--radius);
  background: var(--surface-2);
}
.question-save-dialog__new {
  margin-bottom: var(--space-3);
}
.question-save-dialog__new-toggle {
  margin: 0 0 var(--space-2);
}
.question-save-dialog__new-toggle.is-open {
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-2));
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}
.question-save-dialog__new-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.question-save-dialog__new-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem;
  align-items: center;
}
.question-save-dialog__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: inherit;
  font: inherit;
  box-sizing: border-box;
}
.question-save-dialog__actions {
  margin: 0;
  justify-content: flex-end;
  display: none;
}


.quiz-collections-card {
  padding: var(--space-2) var(--space-3);
}
.quiz-collections-card__head {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.45rem;
  transition: margin-bottom var(--km-collapsible-dur, 220ms) var(--km-collapsible-ease, ease);
}
.km-collapsible.is-collapsed .quiz-collections-card__head {
  margin-bottom: 0;
}
.quiz-collections-card__toggle {
  flex: 1 1 auto;
  min-width: 0;
}
.quiz-collections-card__all {
  flex-shrink: 0;
  font-size: 0.78rem;
  line-height: 1.3;
  text-decoration: none;
}
.quiz-collections-card__all:hover {
  color: var(--text);
  text-decoration: underline;
}
.quiz-collections-card__title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}
.quiz-collections-card__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.quiz-collections-card__item {
  --list-color: #93c5fd;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  max-width: 100%;
  padding: 0.38rem 0.62rem 0.38rem 0.48rem;
  border: 1.5px solid color-mix(in srgb, var(--list-color) 42%, var(--border));
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--list-color) 14%, var(--surface-1));
  color: var(--text);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.2;
  transition: border-color 0.14s ease, background-color 0.14s ease, box-shadow 0.14s ease;
}
.quiz-collections-card__item:hover {
  border-color: color-mix(in srgb, var(--list-color) 62%, var(--border));
}
.quiz-collections-card__item.is-on {
  border-color: var(--list-color);
  background: color-mix(in srgb, var(--list-color) 28%, var(--surface-1));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--list-color) 35%, transparent);
}
.quiz-collections-card__item:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.quiz-collections-card__check {
  display: none;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: color-mix(in srgb, var(--list-color) 80%, var(--text));
}
.quiz-collections-card__check svg {
  display: block;
  width: 100%;
  height: 100%;
}
.quiz-collections-card__item.is-on .quiz-collections-card__check {
  display: inline-flex;
}
.quiz-collections-card__item-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.quiz-collections-card__empty {
  margin: 0;
  font-size: 0.85rem;
}

.collection-color-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}
.collection-color-picker__swatch {
  width: 1.35rem;
  height: 1.35rem;
  padding: 0;
  border: 2px solid color-mix(in srgb, var(--swatch-color) 55%, var(--border));
  border-radius: 999px;
  background: var(--swatch-color);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.collection-color-picker__swatch:hover {
  transform: scale(1.08);
}
.collection-color-picker__swatch.is-selected {
  box-shadow: 0 0 0 2px var(--surface-1), 0 0 0 4px var(--swatch-color);
}
.collection-color-picker__swatch:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.saved-card-color-form {
  position: relative;
  z-index: 4;
  margin: 0.45rem 0.55rem 0.55rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--border);
}
.collection-color-picker__swatch:disabled {
  opacity: 0.55;
  cursor: wait;
}

/* Meldung „Fehler in Frage“ — Formular im gleichen Dialog-Rahmen wie Sammlungen */
.question-save-dialog--report {
  width: min(28rem, 94vw);
  max-width: min(28rem, 94vw);
}
.question-save-dialog--report .question-save-dialog__title {
  padding-right: 2.25rem;
}
.question-report-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0;
}
.question-report-form__field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin: 0;
}
.question-report-form__label {
  display: block;
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-soft);
}
.question-report-form__textarea {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 7.5rem;
  max-height: min(40vh, 16rem);
  box-sizing: border-box;
  margin: 0;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
  line-height: 1.5;
  resize: vertical;
  box-shadow: inset 0 1px 2px color-mix(in srgb, var(--text) 5%, transparent);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.question-report-form__textarea::placeholder {
  color: color-mix(in srgb, var(--text-soft) 32%, var(--text) 68%);
  opacity: 1;
}
.question-report-form__textarea:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
}
.question-report-form__textarea:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow:
    var(--focus-ring),
    inset 0 1px 2px color-mix(in srgb, var(--text) 6%, transparent);
}
.question-report-form__actions {
  margin: 0;
  padding-top: var(--space-3);
  border-top: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  gap: var(--space-2);
}

.saved-collections-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.saved-collections-list__item {
  border-bottom: 1px solid var(--border);
}
.saved-collections-list__item:last-child {
  border-bottom: none;
}
.saved-collections-list__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  text-decoration: none;
  color: inherit;
}
.saved-collections-list__link:hover {
  background: var(--surface-2);
}
.saved-collections-list__title {
  font-weight: 600;
}
.saved-collections-list__count {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.saved-learn-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.saved-question-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}
.saved-question-list__meta {
  margin: 0 0 0.18rem;
  font-size: 0.78rem;
}
.saved-question-list__qid {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: color-mix(in srgb, var(--text) 72%, var(--text-muted));
}
.saved-question-list__text {
  margin: 0;
  line-height: 1.28;
}
.saved-question-list__item {
  position: relative;
  padding: 0.5rem 1.82rem 0.5rem 0.66rem;
  border-radius: var(--radius);
  margin: 0;
}
.saved-question-list__item.is-openable {
  cursor: pointer;
}
.saved-question-list__open {
  display: none;
}
.saved-question-list__body {
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.02rem 0.06rem;
}
.saved-question-list__item.is-openable {
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.1s ease;
}
.saved-question-list__item.is-openable:hover {
  background: color-mix(in srgb, var(--accent) 7%, var(--surface-1));
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  transform: translateY(-1px);
}
.saved-question-list__item.is-openable:focus-within {
  box-shadow: none;
}
.saved-question-list__remove {
  position: absolute;
  top: 50%;
  right: 0.62rem;
  transform: translateY(-50%);
  margin: 0;
}
.saved-question-list__remove-btn {
  width: 2.1rem;
  height: 2.1rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}
.saved-question-list__remove-btn:hover {
  color: #b42318;
  border-color: color-mix(in srgb, #b42318 35%, var(--border));
  background: color-mix(in srgb, #b42318 8%, var(--surface-1));
}
.saved-question-list__remove-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.saved-question-list__remove-btn > span {
  display: block;
  line-height: 1;
  transform: translateY(0.4px);
}
.saved-question-list__learn {
  margin-top: var(--space-2);
}
.saved-active-hint {
  margin-bottom: var(--space-3);
}
.saved-collection-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
}
.saved-collection-header__tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}
.saved-collection-header__left {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.saved-collection-header__left .lernen-header__title {
  margin: 0;
}
.saved-collection-color-form {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  position: relative;
  z-index: 4;
}
.saved-collection-header__actions {
  margin: 0;
}
.lernen-card--collection-color::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--collection-color, #93c5fd);
  border-radius: calc(var(--radius) - 1px) 0 0 calc(var(--radius) - 1px);
  pointer-events: none;
}

/* Einklappbare Bereiche (Sammlungen, Quiz-Sidebar) */
.km-collapsible {
  --km-collapsible-dur: 220ms;
  --km-collapsible-ease: cubic-bezier(0.4, 0, 0.2, 1);
}
.km-collapsible__body {
  display: grid;
  grid-template-rows: 1fr;
  overflow: hidden;
  transition: grid-template-rows var(--km-collapsible-dur) var(--km-collapsible-ease);
}
html.km-collapsed-lernen-collections [data-km-collapsible-id="lernen-collections"]:not(.is-collapsed) > .km-collapsible__body,
html.km-collapsed-quiz-sidebar-lists [data-km-collapsible-id="quiz-sidebar-lists"]:not(.is-collapsed) > .km-collapsible__body,
html.km-collapsed-quiz-sidebar-questions [data-km-collapsible-id="quiz-sidebar-questions"]:not(.is-collapsed) > .km-collapsible__body {
  grid-template-rows: 0fr !important;
  transition: none !important;
}
html.km-collapsed-lernen-collections [data-km-collapsible-id="lernen-collections"]:not(.is-collapsed) .km-collapsible__chevron,
html.km-collapsed-quiz-sidebar-lists [data-km-collapsible-id="quiz-sidebar-lists"]:not(.is-collapsed) .km-collapsible__chevron,
html.km-collapsed-quiz-sidebar-questions [data-km-collapsible-id="quiz-sidebar-questions"]:not(.is-collapsed) .km-collapsible__chevron {
  transform: translateY(-0.04rem) rotate(-45deg);
  transition: none !important;
}
html.km-collapsed-lernen-collections [data-km-collapsible-id="lernen-collections"]:not(.is-collapsed).lernen-subject--collections .lernen-subject__headrow {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom-color: transparent;
  transition: none !important;
}
html.km-collapsed-quiz-sidebar-lists [data-km-collapsible-id="quiz-sidebar-lists"]:not(.is-collapsed) .quiz-collections-card__head {
  margin-bottom: 0;
  transition: none !important;
}
html.km-collapsed-quiz-sidebar-questions [data-km-collapsible-id="quiz-sidebar-questions"]:not(.is-collapsed) .quiz-nav-card__toggle {
  margin-bottom: 0;
  transition: none !important;
}
.km-collapsible.is-collapsed > .km-collapsible__body {
  grid-template-rows: 0fr;
}
.km-collapsible--instant .km-collapsible__body,
.km-collapsible--instant .km-collapsible__chevron,
.km-collapsible--instant .lernen-subject__headrow,
.km-collapsible--instant .quiz-collections-card__head,
.km-collapsible--instant .quiz-nav-card__toggle {
  transition: none !important;
}
.km-collapsible__expand {
  min-height: 0;
  overflow: hidden;
}
.km-collapsible__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  text-align: left;
}
.km-collapsible__toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}
.km-collapsible__chevron {
  width: 0.5rem;
  height: 0.5rem;
  margin: 0;
  align-self: center;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-0.12rem) rotate(45deg);
  transition: transform var(--km-collapsible-dur) var(--km-collapsible-ease);
  flex-shrink: 0;
  opacity: 0.55;
}
.km-collapsible.is-collapsed > .km-collapsible__head .km-collapsible__chevron,
.km-collapsible.is-collapsed > .km-collapsible__toggle .km-collapsible__chevron {
  transform: translateY(-0.04rem) rotate(-45deg);
}
.lernen-subject--collections.km-collapsible.is-collapsed .lernen-subject__headrow {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom-color: transparent;
}
.lernen-subject--collections .lernen-subject__headrow {
  transition:
    margin-bottom var(--km-collapsible-dur) var(--km-collapsible-ease),
    padding-bottom var(--km-collapsible-dur) var(--km-collapsible-ease),
    border-color var(--km-collapsible-dur) var(--km-collapsible-ease);
}
.lernen-subject--collections.km-collapsible:not(.is-collapsed) > .km-collapsible__body {
  overflow: visible;
}
.lernen-subject--collections.km-collapsible:not(.is-collapsed) .km-collapsible__expand {
  overflow: visible;
  padding-top: 8px;
}
.lernen-subject--collections .lernen-card:hover {
  z-index: 2;
}
@media (prefers-reduced-motion: reduce) {
  .km-collapsible__body,
  .km-collapsible__chevron,
  .lernen-subject--collections .lernen-subject__headrow,
  .quiz-collections-card__head,
  .quiz-nav-card__toggle {
    transition-duration: 0.01ms;
  }
}
.saved-active-hint p {
  margin: 0 0 0.35rem;
}
.saved-active-hint__list {
  margin: 0;
  padding-left: 1.1rem;
}
.saved-confirm-dialog {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  max-width: min(34rem, 94vw);
  background: var(--surface-1);
  color: var(--text);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.2);
}
.saved-confirm-dialog::backdrop {
  background: rgba(0, 0, 0, 0.4);
}
.saved-confirm-dialog__inner {
  padding: var(--space-4);
}
.saved-confirm-dialog__inner h3 {
  margin: 0 0 var(--space-2);
}
.saved-confirm-dialog__list {
  margin: 0 0 var(--space-2);
  padding-left: 1.25rem;
  max-height: 12rem;
  overflow-y: auto;
}
.saved-confirm-dialog__actions {
  margin-top: var(--space-3);
  justify-content: flex-end;
}

.question-card__multi-hint {
  margin: 0 0 var(--space-2);
  font-size: 0.92rem;
}

.question-form .option-list {
  margin: var(--space-3) 0;
}
.option-list__item {
  position: relative;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    box-shadow 0.15s ease;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.question-form .option-list label.option-list__item {
  align-items: center;
}
.question-form .option-list .option-list__native {
  margin-top: 0;
}

.option-list__check-wrap {
  position: relative;
  flex-shrink: 0;
  width: var(--quiz-opt-chk-size);
  height: var(--quiz-opt-chk-size);
  display: flex;
  align-items: center;
  justify-content: center;
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__native {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}
/* Native „clean“: feste Kanten — Browser ignorieren häufig width/height bei appearance:auto (bleiben ~13px) */
.quiz-runner[data-quiz-checkboxes="clean"] .option-list__check-wrap {
  width: auto;
  min-width: calc(var(--quiz-opt-chk-size) + 0.25rem);
  flex-shrink: 0;
  align-self: stretch;
  height: auto;
  min-height: var(--quiz-opt-chk-size);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  overflow: visible;
}
.quiz-runner[data-quiz-checkboxes="clean"]
  .question-form
  .option-list
  input.option-list__native[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  inset: auto;
  flex-shrink: 0;
  opacity: 1;
  margin: 0 !important;
  cursor: pointer;
  z-index: 1;
  box-sizing: border-box;
  /* Einheitliche sichtbare Größe ohne Browser-„13px-Zwang“ */
  width: var(--quiz-opt-chk-size) !important;
  height: var(--quiz-opt-chk-size) !important;
  inline-size: var(--quiz-opt-chk-size) !important;
  block-size: var(--quiz-opt-chk-size) !important;
  min-width: var(--quiz-opt-chk-size);
  min-height: var(--quiz-opt-chk-size);
  transform: none;
  border-radius: var(--quiz-opt-chk-clean-radius);
  border: var(--quiz-opt-chk-border) solid var(--text);
  background-color: var(--surface-1);
  background-image: none;
  box-shadow: none;
}

.quiz-runner[data-quiz-checkboxes="clean"]
  .question-form
  .option-list
  input.option-list__native[type="checkbox"]:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring, 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent));
}

.quiz-runner[data-quiz-checkboxes="clean"]
  .question-form
  .option-list
  input.option-list__native[type="checkbox"]:checked {
  border-color: var(--text);
  background-color: var(--surface-1);
  background-image: none;
  box-shadow: none;
}

.quiz-runner[data-quiz-checkboxes="clean"]
  .question-form
  .option-list
  input.option-list__native[type="checkbox"]:disabled:checked {
  border-color: var(--text-muted);
  background-color: var(--surface-2);
  background-image: none;
  opacity: 0.85;
}

/* Schlicht: klassisches Häkchen (Farbe = Text), nicht als SVG im Feld — Lösung-States behalten eigenes SVG */
.quiz-runner[data-quiz-checkboxes="clean"]
  .option-list__check-wrap:has(input.option-list__native[type="checkbox"]:checked)::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 4;
  width: var(--quiz-opt-chk-tick-w);
  height: var(--quiz-opt-chk-tick-h);
  box-sizing: border-box;
  border: solid var(--text);
  border-width: 0 2.25px 2.25px 0;
  transform: translate(-50%, -56%) rotate(45deg);
  pointer-events: none;
}

.quiz-runner[data-quiz-checkboxes="clean"]
  .option-list__check-wrap:has(input.option-list__native[type="checkbox"]:disabled:checked)::after {
  border-color: var(--text-muted);
  opacity: 0.92;
}

.quiz-runner[data-quiz-checkboxes="clean"]
  .option-list__item.is-reveal-wrong.is-picked
  .option-list__check-wrap::after,
.quiz-runner[data-quiz-checkboxes="clean"]
  .option-list__item.is-picked.is-reveal-correct
  .option-list__check-wrap::after {
  display: none !important;
}

.quiz-runner[data-quiz-checkboxes="clean"]
  .question-form
  .option-list__item.is-reveal-wrong.is-picked
  input.option-list__native[type="checkbox"]:checked {
  border-color: color-mix(in srgb, var(--danger) 58%, var(--border));
  background-color: var(--danger-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 24 24%27 fill=%27none%27 stroke=%27%23282828%27 stroke-width=%273.2%27 stroke-linecap=%27round%27 stroke-linejoin=%27round%27%3E%3Cpolyline points=%2720 6 9 17 4 12%27/%3E%3C/svg%3E");
}

.quiz-runner[data-quiz-checkboxes="clean"]
  .question-form
  .option-list__item.is-picked.is-reveal-correct
  input.option-list__native[type="checkbox"]:checked {
  border-color: color-mix(in srgb, var(--success) 45%, var(--border));
  background-color: var(--success-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 24 24%27 fill=%27none%27 stroke=%27%23282828%27 stroke-width=%273.2%27 stroke-linecap=%27round%27 stroke-linejoin=%27round%27%3E%3Cpolyline points=%2720 6 9 17 4 12%27/%3E%3C/svg%3E");
}

.quiz-runner[data-quiz-checkboxes="clean"]
  .question-form
  .option-list__item.is-reveal-correct
  input.option-list__native[type="checkbox"]:not(:checked) {
  border-color: color-mix(in srgb, var(--success) 45%, var(--border));
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__pseudo {
  position: absolute;
  inset: 0;
  border-radius: var(--quiz-opt-chk-radius);
  border: var(--quiz-opt-chk-border) solid color-mix(in srgb, var(--border) 75%, var(--text-muted));
  background: color-mix(in srgb, var(--surface-1) 96%, var(--surface-2));
  display: grid;
  place-items: center;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    box-shadow 0.15s ease;
  pointer-events: none;
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 55%, transparent),
    0 0.5px 1.5px color-mix(in srgb, var(--text) 5%, transparent);
}
.quiz-runner[data-quiz-checkboxes="clean"] .option-list__pseudo {
  display: none !important;
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__native:focus-visible + .option-list__pseudo {
  outline: none;
  box-shadow: var(--focus-ring, 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent));
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__native:checked + .option-list__pseudo {
  border-color: color-mix(in srgb, var(--accent) 70%, var(--border));
  background: color-mix(in srgb, var(--accent) 78%, #fff);
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__native:checked + .option-list__pseudo::after {
  content: "";
  width: var(--quiz-opt-chk-tick-w);
  height: var(--quiz-opt-chk-tick-h);
  border: solid #fff;
  border-width: 0 var(--quiz-opt-chk-tick-stroke) var(--quiz-opt-chk-tick-stroke) 0;
  transform: rotate(45deg) translate(-0.016rem, -0.048rem);
  filter: drop-shadow(0 1px 1px color-mix(in srgb, var(--text) 15%, transparent));
}
.option-list__item.is-locked .option-list__native {
  cursor: default;
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__native:disabled + .option-list__pseudo {
  opacity: 1;
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__native:disabled:checked + .option-list__pseudo {
  opacity: 1;
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 65%, var(--surface-1));
}
/* Zuverlässiges Häkchen aus SSR (.is-picked), falls :checked/browser abweichen — nur Pseudokästchen */
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__item.is-picked .option-list__pseudo {
  border-color: color-mix(in srgb, var(--accent) 70%, var(--border));
  background: color-mix(in srgb, var(--accent) 78%, #fff);
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__item.is-picked .option-list__pseudo::after {
  content: "";
  width: var(--quiz-opt-chk-tick-w);
  height: var(--quiz-opt-chk-tick-h);
  border: solid #fff;
  border-width: 0 var(--quiz-opt-chk-tick-stroke) var(--quiz-opt-chk-tick-stroke) 0;
  transform: rotate(45deg) translate(-0.016rem, -0.048rem);
  filter: drop-shadow(0 1px 1px color-mix(in srgb, var(--text) 15%, transparent));
}
.option-list__label-text {
  flex: 1;
  min-width: 0;
}
.option-list__item.is-picked {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--surface-1));
}
.option-list__item.is-locked {
  cursor: default;
}
.option-list__item.is-locked .option-scratch__btn {
  pointer-events: none;
  opacity: 0.35;
}
.option-list__item.is-reveal-correct {
  border-color: color-mix(in srgb, var(--success) 55%, var(--border));
  background: var(--success-soft);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--success) 38%, var(--surface-1));
}
.option-list__item.is-reveal-wrong {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
  background: var(--danger-soft);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--danger) 38%, var(--surface-1));
}
.option-list__item.is-picked.is-reveal-correct {
  border-color: color-mix(in srgb, var(--success) 65%, var(--border));
  background: color-mix(in srgb, var(--success-soft) 92%, var(--surface-1));
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__item.is-reveal-correct .option-list__pseudo {
  border-color: color-mix(in srgb, var(--success) 45%, var(--border));
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__item.is-reveal-wrong.is-picked .option-list__pseudo {
  border-color: color-mix(in srgb, var(--danger) 58%, var(--border));
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__item.is-picked.is-reveal-wrong .option-list__pseudo::after {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--text));
}
.quiz-runner[data-quiz-checkboxes="accent"] .option-list__item.is-picked.is-reveal-correct .option-list__pseudo::after {
  border-color: color-mix(in srgb, var(--success) 52%, var(--text));
}

.option-list__row {
  display: block;
}
.option-list__row .option-list__item {
  width: 100%;
  box-sizing: border-box;
}
.option-scratch--trailing {
  display: inline-flex;
  flex-direction: row;
  flex-shrink: 0;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.option-scratch__btn {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-1);
  color: var(--text-muted);
  font-size: 0.78rem;
  width: 1.75rem;
  height: 1.6rem;
  cursor: pointer;
  line-height: 1;
  font-weight: 700;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    color 0.15s ease,
    transform 0.08s ease;
}
.option-scratch__btn:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  box-shadow: 0 1px 4px color-mix(in srgb, var(--text) 8%, transparent);
}
.option-scratch__btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring, 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent));
}
.option-scratch__btn--strike.is-on {
  background: var(--danger-soft);
  border-color: color-mix(in srgb, var(--danger) 65%, var(--border));
  color: color-mix(in srgb, var(--danger) 78%, var(--text));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--danger) 38%, var(--surface-1));
}
.option-scratch__btn--check.is-on {
  background: var(--success-soft);
  border-color: color-mix(in srgb, var(--success) 65%, var(--border));
  color: color-mix(in srgb, var(--success) 75%, var(--text));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--success) 35%, var(--surface-1));
}
.option-scratch__btn:active {
  transform: scale(0.96);
}
.option-list__row.is-scratch-strike .option-list__label-text {
  text-decoration: line-through;
  opacity: 0.65;
}
.option-list__row.is-scratch-check .option-list__item:not(.is-reveal-correct):not(.is-reveal-wrong) {
  background: color-mix(in srgb, var(--success) 14%, var(--surface-1));
}

.exam-timer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
}
.exam-timer__digits {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  min-width: 3.2rem;
}
.exam-timer__form-inline {
  display: inline;
  margin: 0;
}
.exam-timer__btn {
  padding: 0.25rem 0.55rem;
  font-size: 0.78rem;
}

.question-card__report-wrap {
  margin: var(--space-2) 0 0;
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}
.question-card__report-link {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}
.question-card__report-link:hover {
  color: var(--text);
}

.audience-pie-card[hidden] {
  display: none !important;
}

.quiz-nav-card {
  padding: var(--space-3);
}
.quiz-nav-card__toggle {
  width: 100%;
  margin-bottom: var(--space-2);
  transition: margin-bottom var(--km-collapsible-dur, 220ms) var(--km-collapsible-ease, ease);
}
.km-collapsible.is-collapsed .quiz-nav-card__toggle {
  margin-bottom: 0;
}
.quiz-nav-card__title {
  margin: 0;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.quiz-nav-sections {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.quiz-nav-section__title {
  margin: 0 0 6px;
  padding: 0 1px;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-muted);
  hyphens: auto;
  overflow-wrap: anywhere;
}
.quiz-nav-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(2.4rem, 1fr));
  gap: 6px;
}
.quiz-nav-cell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
  transition: transform 0.1s ease, border-color 0.15s ease, background 0.15s ease;
}
.quiz-nav-cell:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  transform: translateY(-1px);
}
.quiz-nav-cell:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.quiz-nav-cell.is-answered {
  background: color-mix(in srgb, var(--accent) 16%, var(--surface-1));
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--accent-strong);
}
.quiz-nav-cell.is-current {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-on, #fff);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 35%, transparent);
}
.quiz-nav-cell.is-current.is-answered {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}
.quiz-nav-cell.is-nav-correct.is-answered:not(.is-current) {
  background: color-mix(in srgb, var(--success) 26%, var(--surface-1));
  border-color: color-mix(in srgb, var(--success) 48%, var(--border));
  color: color-mix(in srgb, var(--success) 82%, var(--text));
}
.quiz-nav-cell.is-nav-wrong.is-answered:not(.is-current) {
  background: color-mix(in srgb, var(--danger) 24%, var(--surface-1));
  border-color: color-mix(in srgb, var(--danger) 46%, var(--border));
  color: color-mix(in srgb, var(--danger) 82%, var(--text));
}

.quiz-nav-cell__flag {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 0.85rem;
  height: 0.85rem;
  color: #f59e0b;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.18));
  display: none;
}
.quiz-nav-cell.is-bookmarked .quiz-nav-cell__flag {
  display: block;
}
.quiz-nav-cell.is-current .quiz-nav-cell__flag {
  color: #fbbf24;
}

.quiz-nav-legend {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.quiz-nav-legend li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.quiz-nav-legend__dot {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.quiz-nav-legend__dot--current {
  background: var(--accent);
  border-color: var(--accent);
}
.quiz-nav-legend__dot--answered {
  background: color-mix(in srgb, var(--accent) 16%, var(--surface-1));
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.quiz-nav-legend__dot--bookmark {
  background: #f59e0b;
  border-color: #b45309;
}
.quiz-nav-legend--score {
  margin-bottom: var(--space-2);
}
.quiz-nav-legend__sym {
  font-size: 0.74rem;
  line-height: 1;
  font-weight: 800;
  color: color-mix(in srgb, var(--text-muted) 88%, var(--text));
  user-select: none;
}
.quiz-nav-legend__dot--correct {
  background: color-mix(in srgb, var(--success) 58%, var(--surface-1));
  border-color: color-mix(in srgb, var(--success) 68%, var(--border));
}
.quiz-nav-legend__dot--wrong {
  background: color-mix(in srgb, var(--danger) 54%, var(--surface-1));
  border-color: color-mix(in srgb, var(--danger) 64%, var(--border));
}
.quiz-nav-legend__dot--unanswered {
  background: var(--surface-2);
  border-style: dashed;
}
.quiz-nav-legend__dot--neutral {
  background: color-mix(in srgb, var(--surface-2) 88%, var(--text-muted));
  border-style: dashed;
  opacity: 0.9;
}

.quiz-nav-finish-wrap {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-3);
  border-top: 1px solid color-mix(in srgb, var(--border) 92%, transparent);
}
.quiz-nav-finish-form {
  margin: 0;
}
.quiz-nav-finish-submit {
  width: 100%;
  box-sizing: border-box;
  font-size: 0.82rem;
  font-weight: 600;
  justify-content: center;
}

.quiz-result-card__title {
  margin-bottom: var(--space-2);
}
.quiz-result-card__subtitle {
  margin: 0 0 var(--space-3);
  font-size: 0.95rem;
}
.quiz-result-card__exam-meta {
  margin-top: 0;
}

.quiz-result-preview-banner {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--info) 28%, var(--border));
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--surface-1) 94%, var(--info-soft)),
    color-mix(in srgb, var(--surface-2) 85%, var(--info-soft))
  );
  box-shadow: var(--shadow-sm);
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text);
}

.quiz-result-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.quiz-result-toolbar__form {
  margin: 0;
}

.quiz-result-overview {
  margin: var(--space-5) 0;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-1);
}
.quiz-result-overview__heading {
  margin: 0 0 var(--space-2);
  font-size: 1.05rem;
}
.quiz-result-overview__lead {
  margin: 0 0 var(--space-4);
}
.quiz-result-overview__visual {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  background: color-mix(in srgb, var(--surface-2) 40%, var(--surface-1));
  /* Etwas klarere Chartfarben als reines --danger/--success (v. a. Helltheme) */
  --quiz-chart-correct: color-mix(in srgb, var(--success) 88%, #ffffff 12%);
  --quiz-chart-wrong: color-mix(in srgb, var(--danger) 52%, #ff5c6d 48%);
}
.quiz-result-overview__legend {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 0.9rem;
  color: var(--text);
}
.quiz-result-overview__legend-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.quiz-result-overview__swatch {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--border) 55%, transparent);
}
.quiz-result-overview__swatch--correct {
  background: var(--quiz-chart-correct);
}
.quiz-result-overview__swatch--incorrect {
  background: var(--quiz-chart-wrong);
}

.quiz-result-donut-wrap {
  position: relative;
  width: 112px;
  height: 112px;
  flex-shrink: 0;
}
.quiz-result-donut {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--border) 45%, transparent);
}
.quiz-result-donut--classic {
  background: conic-gradient(
    from -90deg,
    var(--quiz-chart-correct) 0deg var(--qr-split, 0deg),
    var(--quiz-chart-wrong) var(--qr-split, 0deg) 360deg
  );
}
.quiz-result-donut__center {
  position: absolute;
  inset: 22%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface-1);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--border) 40%, transparent);
}
.quiz-result-donut__pct {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1;
  color: var(--text);
}

.quiz-result-detail {
  margin-top: var(--space-5);
}
.quiz-result-detail .table-wrap {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--text) 5%, transparent);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.quiz-result-detail__title {
  margin: 0 0 var(--space-3);
  font-size: 1.05rem;
}
.quiz-result-detail-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.quiz-result-detail-table th,
.quiz-result-detail-table td {
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  vertical-align: middle;
}
.quiz-result-detail-table thead th {
  background: color-mix(in srgb, var(--surface-2) 85%, var(--surface-1));
  font-weight: 600;
  text-align: left;
}
.quiz-result-detail-table .num {
  text-align: right;
  white-space: nowrap;
}
.quiz-result-detail-table__row--correct td:nth-child(3) {
  background: color-mix(in srgb, var(--success) 14%, var(--surface-1));
}
.quiz-result-detail-table__row--wrong td:nth-child(3) {
  background: color-mix(in srgb, var(--danger) 12%, var(--surface-1));
}
.quiz-result-detail-table__row--unanswered td:nth-child(3),
.quiz-result-detail-table__row--neutral td:nth-child(3) {
  background: color-mix(in srgb, var(--surface-3) 55%, var(--surface-1));
  color: var(--text-muted);
}
.quiz-result-detail-table tfoot th,
.quiz-result-detail-table tfoot td {
  font-weight: 600;
  background: var(--surface-2);
}

.saved-quiz-mode-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  justify-content: flex-start;
}

.admin-report-card {
  flex-direction: column;
  align-items: stretch;
}
.admin-report-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
}
.admin-report-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: flex-start;
}
.admin-report-card__details {
  width: 100%;
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}
.admin-report-card__details-summary {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-soft);
  list-style: none;
  user-select: none;
}
.admin-report-card__details-summary::-webkit-details-marker {
  display: none;
}
.admin-report-card__details-summary::marker {
  content: "";
}
.admin-report-card__details-summary:hover {
  color: var(--text);
}
.admin-report-card__expand {
  padding-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.admin-report-card__expand .comments-block {
  margin: 0;
}
.admin-report-card__comment-count {
  font-weight: 500;
}

.ai-output {
  margin-top: var(--space-3);
  padding: calc(var(--space-3) + 0.2rem) var(--space-3) var(--space-3);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: var(--surface-2);
  max-height: 320px;
  overflow: auto;
  font-size: 0.88rem;
  line-height: 1.45;
}
.ai-output pre {
  margin: 0.5rem 0;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-1);
  overflow: auto;
}
.ai-output code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.88em;
}
.ai-output a {
  color: var(--accent-strong);
  text-decoration: underline;
}
.ai-send-btn {
  font-size: 0.86rem;
  font-weight: 500;
  padding: 0.38rem 0.68rem;
  min-width: 9.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
}
.ai-send-btn__dots {
  display: none;
  align-items: center;
  gap: 0.24rem;
}
.ai-send-btn__dots > span {
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.35;
  transform: translateY(0);
  animation: ai-send-dot 0.9s ease-in-out infinite;
}
.ai-send-btn__dots > span:nth-child(2) {
  animation-delay: 0.15s;
}
.ai-send-btn__dots > span:nth-child(3) {
  animation-delay: 0.3s;
}
.ai-send-btn.is-loading .ai-send-btn__label {
  display: none;
}
.ai-send-btn.is-loading .ai-send-btn__dots {
  display: inline-flex;
}
@keyframes ai-send-dot {
  0%, 80%, 100% {
    transform: translateY(0);
    opacity: 0.3;
  }
  40% {
    transform: translateY(-0.18rem);
    opacity: 1;
  }
}

/* KI-Chat textarea (quiz/question): volle Kartbreite + einheitlicher Look wie übriges UI */
.ai-chat-input-wrap {
  margin: var(--space-3) 0 var(--space-2);
}
.ai-chat-input {
  box-sizing: border-box;
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 7rem;
  padding: 0.7rem 0.95rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text);
  line-height: 1.5;
  resize: vertical;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), var(--shadow-sm);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}
.ai-chat-input::placeholder {
  color: color-mix(in srgb, var(--text-soft) 32%, var(--text) 68%);
  opacity: 1;
}
.ai-chat-input:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
}
.ai-chat-input:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: var(--focus-ring), inset 0 1px 2px rgba(23, 32, 51, 0.06);
}
[data-theme='dark'] .ai-chat-input,
[data-theme='ocean'] .ai-chat-input,
[data-theme='forest'] .ai-chat-input,
[data-theme='sunset'] .ai-chat-input,
[data-theme='rose'] .ai-chat-input,
[data-theme='slate'] .ai-chat-input,
[data-theme='amber'] .ai-chat-input,
[data-theme='espresso'] .ai-chat-input,
[data-theme='midnight'] .ai-chat-input,
[data-theme='void'] .ai-chat-input {
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.18);
}
[data-theme='dark'] .ai-chat-input:focus,
[data-theme='ocean'] .ai-chat-input:focus,
[data-theme='forest'] .ai-chat-input:focus,
[data-theme='sunset'] .ai-chat-input:focus,
[data-theme='rose'] .ai-chat-input:focus,
[data-theme='slate'] .ai-chat-input:focus,
[data-theme='amber'] .ai-chat-input:focus,
[data-theme='espresso'] .ai-chat-input:focus,
[data-theme='midnight'] .ai-chat-input:focus,
[data-theme='void'] .ai-chat-input:focus {
  box-shadow: var(--focus-ring), inset 0 1px 3px rgba(0, 0, 0, 0.25);
}

/* Theme-/Font-Kacheln (Dashboard + Themes-Seite) */
.form-prefs .pref-field {
  margin: 0 0 var(--space-4);
  padding: 0;
  border: none;
}
.pref-hint {
  margin: 0 0 var(--space-3);
  font-size: 0.92rem;
  color: var(--text-muted);
}
.pref-toggle-grid--theme-quick {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 640px) {
  .pref-toggle-grid--theme-quick {
    grid-template-columns: 1fr;
  }
}
.pref-tile--quick {
  appearance: none;
  border: none;
  background: none;
  padding: 0;
  margin: 0;
  font: inherit;
  text-align: inherit;
  width: 100%;
  cursor: pointer;
  display: block;
  border-radius: var(--radius-lg);
}
.pref-tile--quick:disabled,
.pref-tile--quick.pref-tile--static {
  cursor: default;
  opacity: 0.72;
}
.pref-tile--quick:disabled .pref-tile__body,
.pref-tile--quick.pref-tile--static .pref-tile__body {
  background: var(--surface-2);
}
.pref-tile--quick .pref-tile__body {
  pointer-events: none;
}
.pref-tile--quick:focus-visible {
  outline: none;
}
.pref-tile--quick:focus-visible .pref-tile__body {
  box-shadow: var(--focus-ring);
}
.pref-tile--quick.is-active .pref-tile__body {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
}
.pref-swatch--placeholder .pref-swatch__inner {
  background: linear-gradient(135deg, var(--surface-3), var(--surface-2)) !important;
}
.pref-swatch--placeholder .pref-swatch__dot {
  background: var(--text-soft) !important;
}
.pref-toggle-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.pref-tile {
  position: relative;
  display: block;
  cursor: pointer;
}
.pref-tile__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.pref-tile__body {
  display: grid;
  gap: 8px;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
  background: var(--surface-1);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  min-height: 100%;
}
.pref-tile__input:focus-visible + .pref-tile__body {
  box-shadow: var(--focus-ring);
}
.pref-tile__input:checked + .pref-tile__body {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
}
.pref-tile__title {
  font-weight: 700;
  font-size: 1rem;
}

/* Lern-Quiz Kästchen-Stil: Einstellungs-Vorschau = Miniatur der echten Kästchen (Maße via --quiz-opt-chk-*) */
.pref-toggle-grid--learn-check-style {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}
.pref-toggle-grid--learn-check-style .pref-tile {
  min-width: 0;
}
.pref-toggle-grid--learn-check-style .pref-tile__body {
  display: grid;
  grid-template-columns: var(--quiz-opt-chk-size) minmax(0, 1fr);
  grid-template-rows: auto;
  align-items: center;
  gap: 0 0.75rem;
}
.pref-toggle-grid--learn-check-style .pref-quiz-checkbox-preview {
  display: grid;
  place-items: center;
  width: var(--quiz-opt-chk-size);
  height: var(--quiz-opt-chk-size);
  min-width: var(--quiz-opt-chk-size);
  min-height: var(--quiz-opt-chk-size);
  flex-shrink: 0;
  margin: 0;
  grid-column: 1;
  grid-row: 1;
}
.pref-toggle-grid--learn-check-style .pref-tile__title {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
}
.pref-quiz-checkbox-preview {
  display: grid;
  place-items: center;
  box-sizing: border-box;
}
/* Schlicht-Vorschau: angehakt, wie im Quiz — quadratisch, Rand + Häkchen in Textfarbe */
.pref-quiz-checkbox-preview--native {
  position: relative;
  width: var(--quiz-opt-chk-size);
  height: var(--quiz-opt-chk-size);
  min-width: var(--quiz-opt-chk-size);
  min-height: var(--quiz-opt-chk-size);
  flex-shrink: 0;
}
.pref-quiz-checkbox-preview--native::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--quiz-opt-chk-clean-radius);
  border: var(--quiz-opt-chk-border) solid var(--text);
  background: var(--surface-1);
  box-sizing: border-box;
}
.pref-quiz-checkbox-preview--native::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: var(--quiz-opt-chk-tick-w);
  height: var(--quiz-opt-chk-tick-h);
  box-sizing: border-box;
  border: solid var(--text);
  border-width: 0 2px 2px 0;
  transform: translate(-50%, -56%) rotate(45deg);
  pointer-events: none;
}
/* Akzent: angehakt, volle Fläche — wie „accent“ in der Frage */
.pref-quiz-checkbox-preview--accent {
  display: grid;
  place-items: center;
  width: var(--quiz-opt-chk-size);
  height: var(--quiz-opt-chk-size);
  min-width: var(--quiz-opt-chk-size);
  min-height: var(--quiz-opt-chk-size);
  flex-shrink: 0;
  box-sizing: border-box;
  border-radius: var(--quiz-opt-chk-radius);
  border: var(--quiz-opt-chk-border) solid color-mix(in srgb, var(--accent) 70%, var(--border));
  background: color-mix(in srgb, var(--accent) 78%, #fff);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 55%, transparent),
    0 0.5px 1.5px color-mix(in srgb, var(--text) 5%, transparent);
}
.pref-quiz-checkbox-preview--accent::after {
  content: "";
  width: var(--quiz-opt-chk-tick-w);
  height: var(--quiz-opt-chk-tick-h);
  border: solid #fff;
  border-width: 0 var(--quiz-opt-chk-tick-stroke) var(--quiz-opt-chk-tick-stroke) 0;
  transform: rotate(45deg) translate(-0.016rem, -0.048rem);
  filter: drop-shadow(0 1px 1px color-mix(in srgb, var(--text) 15%, transparent));
}
.pref-tile__blurb {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.custom-theme-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-5);
  margin-top: var(--space-2);
}
.custom-theme-shell {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}
.custom-theme-shell__legend {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-right: var(--space-1);
}
.radio-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 6px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 0.88rem;
  cursor: pointer;
  user-select: none;
}
.radio-chip:has(input:checked) {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent);
}
.radio-chip input {
  accent-color: var(--accent);
}
.custom-theme-accent {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: min(100%, 220px);
}
.custom-theme-accent label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}
.custom-theme-accent__input {
  width: 100%;
  height: 42px;
  padding: 4px 6px;
  cursor: pointer;
}

.custom-theme-colours-wrap {
  margin-top: var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-1);
}

.custom-theme-colours-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.custom-theme-colours-table thead {
  background: var(--surface-2);
}

.custom-theme-colours-table th,
.custom-theme-colours-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  text-align: left;
}

.custom-theme-colours-table tbody tr:last-child th,
.custom-theme-colours-table tbody tr:last-child td {
  border-bottom: none;
}

.custom-theme-colours-table th[scope="col"] {
  font-weight: 700;
  color: var(--text-muted);
}

.custom-theme-colours-table th[scope="row"] {
  font-weight: 600;
  color: var(--text);
  width: 38%;
}

.custom-theme-colours-table__override {
  width: 28%;
}

.custom-theme-colours-table__check {
  width: 12%;
  text-align: center;
}

.custom-theme-colours-table__check input {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--accent);
  cursor: pointer;
}

.custom-theme-colours-table__swatch {
  max-width: 12rem;
}

.custom-theme-colours-table__hint {
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 0.82rem;
}

@media (max-width: 560px) {
  .custom-theme-colours-table th[scope="row"] {
    width: auto;
  }
}

.custom-theme-reset-row {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.custom-theme-reset-row__hint {
  margin: 0;
  max-width: 42rem;
  line-height: 1.4;
}

.pref-swatch {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent-soft), var(--surface-2));
  overflow: hidden;
  border: 1px solid var(--border);
}
.pref-swatch[data-theme="light"] .pref-swatch__inner {
  background: linear-gradient(135deg, #fff, #eef2fb);
}
.pref-swatch[data-theme="dark"] .pref-swatch__inner {
  background: linear-gradient(135deg, #1a2230, #05070b);
}
.pref-swatch[data-theme="ocean"] .pref-swatch__inner {
  background: linear-gradient(135deg, #12202c, #0a1218);
}
.pref-swatch[data-theme="forest"] .pref-swatch__inner {
  background: linear-gradient(135deg, #141f1a, #0a0f0c);
}
.pref-swatch[data-theme="sunset"] .pref-swatch__inner {
  background: linear-gradient(135deg, #2a181c, #1a0d12);
}
.pref-swatch[data-theme="lavender"] .pref-swatch__inner {
  background: linear-gradient(135deg, #fefdff, #e8def6);
}
.pref-swatch[data-theme="rose"] .pref-swatch__inner {
  background: linear-gradient(135deg, #25141d, #120810);
}
.pref-swatch[data-theme="slate"] .pref-swatch__inner {
  background: linear-gradient(135deg, #1c2531, #0f1419);
}
.pref-swatch[data-theme="nord"] .pref-swatch__inner {
  background: linear-gradient(135deg, #ffffff, #d8dee9);
}
.pref-swatch[data-theme="mint"] .pref-swatch__inner {
  background: linear-gradient(135deg, #ffffff, #d6ebdf);
}
.pref-swatch[data-theme="sky"] .pref-swatch__inner {
  background: linear-gradient(135deg, #ffffff, #d9e7f8);
}
.pref-swatch[data-theme="sand"] .pref-swatch__inner {
  background: linear-gradient(135deg, #fffdf8, #ecdfc9);
}
.pref-swatch[data-theme="amber"] .pref-swatch__inner {
  background: linear-gradient(135deg, #2a2118, #120d08);
}
.pref-swatch[data-theme="espresso"] .pref-swatch__inner {
  background: linear-gradient(135deg, #2e241c, #16120e);
}
.pref-swatch[data-theme="midnight"] .pref-swatch__inner {
  background: linear-gradient(135deg, #241a32, #100a18);
}
.pref-swatch[data-theme="void"] .pref-swatch__inner {
  background: linear-gradient(135deg, #161616, #030303);
}
.pref-swatch[data-theme="custom"] .pref-swatch__inner {
  background: linear-gradient(135deg, #2a3444, #161b24);
}
.pref-swatch__inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 8px 10px;
  gap: 6px;
}
.pref-swatch__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}
.pref-swatch__line {
  display: block;
  height: 4px;
  width: 70%;
  border-radius: 2px;
  background: color-mix(in srgb, var(--text) 28%, transparent);
}
.pref-swatch__line--short {
  width: 45%;
}

.pref-font-swatch {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.pref-font-swatch--preview {
  min-height: 4.25rem;
  justify-content: center;
}
.pref-tile__title--in-font {
  font-weight: 600;
  line-height: 1.25;
}
.pref-toggle-grid--font-pick {
  grid-template-columns: repeat(auto-fill, minmax(11.5rem, 1fr));
}
.pref-font-aa {
  font-weight: 700;
  font-size: 1.25rem;
}
.pref-font-line {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Einstellungen: Range-Slider für Schrift / Button-Abrundung */
.prefs-slider-row {
  display: grid;
  grid-template-columns: minmax(0, 8rem) 1fr minmax(4rem, 4.5rem);
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.prefs-slider-row--tight {
  margin-bottom: 0;
}
.prefs-slider-row__label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}
.prefs-slider-out {
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--text);
  text-align: right;
}
.prefs-range {
  width: 100%;
  height: 0.42rem;
  border-radius: 999px;
  appearance: none;
  background: color-mix(in srgb, var(--border) 55%, var(--surface-3));
  outline: none;
}
.prefs-range::-webkit-slider-thumb {
  appearance: none;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 999px;
  background: var(--accent);
  border: 2px solid color-mix(in srgb, var(--card) 92%, transparent);
  box-shadow: 0 1px 6px color-mix(in srgb, var(--text) 12%, transparent);
  cursor: pointer;
}
.prefs-range::-moz-range-thumb {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 999px;
  background: var(--accent);
  border: 2px solid color-mix(in srgb, var(--card) 92%, transparent);
  cursor: pointer;
}
.prefs-range:focus-visible {
  box-shadow: var(--focus-ring);
}
@media (max-width: 520px) {
  .prefs-slider-row {
    grid-template-columns: 1fr;
  }
  .prefs-slider-out {
    text-align: left;
  }
}

.pref-btn-radius-swatch {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 6px;
  padding: 10px 12px;
  min-height: 3.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.pref-btn-radius-swatch__pill {
  display: block;
  flex: 1;
  height: 0.7rem;
  min-width: 0;
  background: color-mix(in srgb, var(--accent) 85%, var(--surface-3));
}
.pref-btn-radius-swatch[data-shape="soft"] .pref-btn-radius-swatch__pill {
  border-radius: 3px;
}
.pref-btn-radius-swatch[data-shape="medium"] .pref-btn-radius-swatch__pill {
  border-radius: 9px;
}
.pref-btn-radius-swatch[data-shape="pill"] .pref-btn-radius-swatch__pill {
  border-radius: 999px;
}

.pref-toggle-grid--btn-radius {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 640px) {
  .pref-toggle-grid--btn-radius {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.prefs-btn-radius-block {
  margin-top: var(--space-3);
}
.prefs-btn-radius-block .prefs-slider-row__label {
  margin-bottom: var(--space-2);
}
.pref-tile--btn-radius .pref-tile__body {
  justify-items: center;
  text-align: center;
}
.pref-btn-radius-preview {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin-bottom: 2px;
  min-height: 2.5rem;
}
.pref-btn-radius-preview__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 8px;
  min-height: 26px;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
  background: var(--accent);
  color: var(--accent-on, #fff);
  box-sizing: border-box;
}
.pref-btn-radius-preview__btn--secondary {
  background: var(--surface-2);
  color: var(--fg);
  border-color: var(--border);
}

/* Kalender */
.cal-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.cal-nav__title {
  margin: 0;
  flex: 1 1 auto;
  text-align: center;
  font-size: 1.25rem;
}
.cal-nav__today {
  margin-left: auto;
}
.cal-nav__ics-toggle {
  margin: 0;
  flex: 0 0 auto;
}
.cal-root--ics-hidden .cal-event--ics,
.cal-root--ics-hidden .cal-week-agenda__item--ics,
.cal-root--ics-hidden .cal-timeline-experimental__ev--ics {
  display: none;
}
.cal-nav__view-toggle {
  display: inline-flex;
  gap: 0.25rem;
  flex: 0 0 auto;
}
.cal-nav__view-toggle .btn.is-active {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 14%, var(--surface-1));
}
.streak-summary__upcoming {
  margin-top: var(--space-3);
  display: grid;
  gap: var(--space-2);
}
.streak-summary__upcoming-line--exam {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  margin: 0;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-2) 88%, var(--surface-1));
  border: none;
  font-size: 0.92rem;
  color: inherit;
  text-decoration: none;
  transition: background 0.15s ease;
}
.streak-summary__upcoming-line--exam:hover {
  background: color-mix(in srgb, #d4a017 8%, var(--surface-1));
  color: inherit;
}
.streak-summary__upcoming-line--exam:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.streak-summary__upcoming-line--exam.is-soon {
  background: color-mix(in srgb, #d4a017 7%, var(--surface-1));
}
.streak-summary__upcoming-line--exam.is-soon:hover {
  background: color-mix(in srgb, #d4a017 12%, var(--surface-1));
}
.streak-summary__upcoming-badge {
  flex: 0 0 auto;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: color-mix(in srgb, #b8860b 92%, var(--text));
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: color-mix(in srgb, #d4a017 22%, var(--surface-1));
  border: 1px solid color-mix(in srgb, #b8860b 35%, var(--border));
}
.streak-summary__upcoming-label {
  flex: 1 1 12rem;
  font-weight: 600;
  min-width: 0;
}
.streak-summary__upcoming-line {
  margin: 0.15rem 0;
  font-size: 0.88rem;
}
.cal-legend__ics {
  display: inline-block;
  width: auto;
  cursor: default;
}
.cal-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: 0.85rem;
}
.cal-legend .cal-event {
  display: inline;
  width: auto;
  max-width: none;
  cursor: default;
}
.cal-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 0.82rem;
}
.cal-pill--task {
  border-color: color-mix(in srgb, #2167d5 52%, var(--border));
  background: color-mix(in srgb, #2167d5 18%, var(--surface-1));
}
.cal-pill--sitting {
  border-color: color-mix(in srgb, #b8860b 48%, var(--border));
  background: color-mix(in srgb, #d4a017 20%, var(--surface-1));
}
.cal-pill--klausur {
  border-color: color-mix(in srgb, #20845b 48%, var(--border));
  background: color-mix(in srgb, #20845b 16%, var(--surface-1));
}
.cal-pill.is-done {
  opacity: 0.55;
}
/* heiCO/ICS-Importe: nur Text, ohne Pill-Hintergrund */
.cal-event {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font: inherit;
  font-size: 0.78rem;
  line-height: 1.3;
  color: var(--text-muted);
  text-align: left;
  cursor: pointer;
  appearance: none;
}
.cal-event--ics {
  font-weight: 500;
}
.cal-event.is-done {
  opacity: 0.55;
  text-decoration: line-through;
}
.cal-event--ics:hover {
  color: var(--text);
  background: transparent;
}
.cal-event--ics:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 1px;
}

.cal-grid {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cal-week-agenda {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.cal-week-agenda__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}
.cal-week-agenda__day.is-past {
  opacity: 0.88;
}
.cal-week-agenda__now-line {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--space-2);
  align-items: center;
  padding: 0.15rem var(--space-3);
  list-style: none;
}
.cal-week-agenda__now-line-time {
  font-size: 0.78rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: color-mix(in srgb, #c0392b 85%, var(--text));
}
.cal-week-agenda__now-line-bar {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, #c0392b 90%, transparent),
    color-mix(in srgb, #c0392b 35%, transparent)
  );
  box-shadow: 0 0 0 1px color-mix(in srgb, #c0392b 25%, transparent);
}
.cal-week-agenda__day {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  overflow: hidden;
}
.cal-week-agenda__day.is-today {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}
.cal-week-agenda__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.cal-week-agenda__title {
  margin: 0;
  font-size: 1rem;
}
.cal-week-agenda__add {
  flex: 0 0 auto;
}
.cal-week-agenda__list {
  display: grid;
  gap: 0;
}
.cal-week-agenda__item {
  display: grid;
  grid-template-columns: 4.5rem 7rem 1fr;
  gap: var(--space-2);
  align-items: baseline;
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
}
.cal-week-agenda__item--has-toggle {
  grid-template-columns: 4.5rem 7rem 1fr auto;
  align-items: center;
}
.cal-week-agenda__item--task {
  background: color-mix(in srgb, #2167d5 8%, var(--surface-1));
}
.cal-week-agenda__item--klausur {
  background: color-mix(in srgb, #20845b 7%, var(--surface-1));
}
.cal-week-agenda__item:first-child {
  border-top: none;
}
.cal-week-agenda__body {
  display: contents;
}
.cal-week-agenda__item.is-done .cal-week-agenda__label {
  text-decoration: line-through;
  opacity: 0.72;
}
.cal-week-agenda__time {
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.cal-week-agenda__kind {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.cal-week-agenda__label {
  min-width: 0;
  word-break: break-word;
}
.cal-week-agenda__label--btn {
  padding: 0;
  border: none;
  background: transparent;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.cal-week-agenda__label--btn:hover {
  color: var(--accent);
}
.cal-week-agenda__toggle {
  margin: 0;
}
.cal-week-agenda__item--empty {
  grid-template-columns: 1fr;
  padding: var(--space-3);
  font-size: 0.88rem;
}
@media (max-width: 640px) {
  .cal-week-agenda__item,
  .cal-week-agenda__item--has-toggle {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}
.cal-month-tasks__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.cal-month-tasks__head h2 {
  margin: 0;
}
.cal-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}
.cal-row--dow {
  background: var(--surface-2);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.cal-cell {
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  min-height: 5.5rem;
  padding: 4px;
  background: color-mix(in srgb, var(--surface-1) 94%, transparent);
}
.cal-cell:nth-child(7n) {
  border-right: none;
}
.cal-cell--dow {
  min-height: auto;
  padding: 6px;
  border-right: 1px solid var(--border);
  text-align: center;
}
.cal-cell.is-other-month {
  opacity: 0.42;
}
.cal-cell.is-today {
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-1));
}
.cal-cell--day {
  vertical-align: top;
  position: relative;
}
.cal-cell__hit {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 2px;
  appearance: none;
  border: none;
  padding: 0;
  margin: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  color: inherit;
}
.cal-cell--day .cal-daynum {
  pointer-events: none;
}
.cal-events {
  display: grid;
  gap: 4px;
  pointer-events: none;
}
.cal-events > * {
  pointer-events: auto;
}
.cal-cell__hit:focus-visible {
  outline: none;
  box-shadow:
    inset 0 0 0 2px color-mix(in srgb, var(--accent) 55%, transparent);
}
.cal-cell--day .cal-daynum,
.cal-cell--day .cal-events {
  position: relative;
  z-index: 1;
}
.cal-daynum {
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 4px;
}
.cal-daynum--today {
  color: var(--accent-strong);
}
.cal-task-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2);
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.cal-task-row:last-child {
  border-bottom: none;
}

/* Kalender-Popover (Sprechblase am Tag) */
.cal-pop {
  position: absolute;
  z-index: 50;
  width: min(22rem, calc(100vw - 1rem));
  padding: 0.75rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  box-shadow: 0 14px 38px rgba(15, 23, 42, 0.16);
  font-size: 0.92rem;
}
.cal-pop[hidden] {
  display: none;
}
.cal-pop__arrow {
  position: absolute;
  top: -7px;
  width: 12px;
  height: 12px;
  background: var(--surface-1);
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  transform: translateX(-50%) rotate(45deg);
}
.cal-pop.is-above .cal-pop__arrow {
  top: auto;
  bottom: -7px;
  border-top: none;
  border-left: none;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cal-pop__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0 0.25rem 0.5rem;
}
.cal-pop__date {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}
.cal-pop__close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-right: -0.25rem;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
}
.cal-pop__close:hover {
  color: var(--text);
  background: var(--surface-2);
}
.cal-pop__close:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* Titelfeld: ohne Rand, abgerundet, mehrzeilig, wächst beim Tippen */
.cal-pop__title-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  min-height: 2.2rem;
  max-height: 12.5rem;
  padding: 0.4rem 0.55rem;
  border: none;
  border-radius: 10px;
  outline: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  line-height: 1.4;
  resize: none;
  overflow-y: auto;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}
.cal-pop__title-input:focus,
.cal-pop__title-input:focus-visible {
  outline: none;
  box-shadow: none;
  border: none;
  background: transparent;
}
.cal-pop__title-input::placeholder {
  color: color-mix(in srgb, var(--text-soft) 32%, var(--text) 68%);
}

/* Aktionszeile unter dem Titelfeld: nur beim Bearbeiten (Löschen) */
.cal-pop__bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.4rem;
  padding: 0 0.25rem;
}
.cal-pop__delete {
  padding: 0.3rem 0.55rem;
  border: none;
  background: transparent;
  color: var(--danger);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
}
.cal-pop__delete:hover {
  background: var(--danger-soft);
}
.cal-pop__delete:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* Experimentelle Kalender-Timeline (EXPERIMENTAL_CALENDAR_TIMELINE) */
.cal-timeline-experimental {
  margin-top: var(--space-4);
}
.cal-timeline-experimental__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
}
.cal-timeline-experimental__badge {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.cal-timeline-experimental__hint {
  margin: 0 0 var(--space-3);
  font-size: 0.85rem;
}
.cal-timeline-experimental__scroll {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  -webkit-overflow-scrolling: touch;
}
.cal-timeline-experimental__day {
  flex: 0 0 7.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  background: var(--surface-1);
  font-size: 0.78rem;
}
.cal-timeline-experimental__day.is-today {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--surface-1));
}
.cal-timeline-experimental__day.is-past {
  opacity: 0.72;
}
.cal-timeline-experimental__date {
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.cal-timeline-experimental__events {
  display: grid;
  gap: 0.2rem;
}
.cal-timeline-experimental__ev--klausur {
  color: color-mix(in srgb, #20845b 85%, var(--text));
}
.cal-timeline-experimental__ev--ics {
  color: var(--text-muted);
}
.cal-timeline-experimental__ev--empty {
  font-size: 0.75rem;
}

/* Prüfungsliste */
.exam-sitting-card--has-assignment {
  display: grid;
  gap: 0;
  padding: 0;
  overflow: hidden;
}
.exam-sitting-card__assignment {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: clamp(14px, 2vw, 20px) clamp(16px, 2.4vw, 24px);
  text-align: center;
  background: var(--accent-soft);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
}
.exam-sitting-card--assignment-done .exam-sitting-card__assignment {
  background: var(--success-soft);
  border-bottom-color: color-mix(in srgb, var(--success) 28%, var(--border));
}
.exam-sitting-card--assignment-warn .exam-sitting-card__assignment {
  background: var(--warning-soft);
  border-bottom-color: color-mix(in srgb, var(--warning) 28%, var(--border));
}
.exam-sitting-card__assignment-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.exam-sitting-card__assignment-num {
  margin: 0;
  font-size: clamp(2.6rem, 7vw, 3.4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent-strong);
  font-variant-numeric: tabular-nums;
}
.exam-sitting-card--assignment-done .exam-sitting-card__assignment-num {
  color: var(--success);
}
.exam-sitting-card--assignment-warn .exam-sitting-card__assignment-num {
  color: var(--warning);
}
.exam-sitting-card__assignment-hash {
  font-weight: 700;
  opacity: 0.72;
}
.exam-sitting-card__assignment-status {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}
.exam-sitting-card__assignment-status:empty {
  display: none;
}
.exam-sitting-card__assignment-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  max-width: 22rem;
}
.exam-sitting-card__assignment-hint {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.45;
}
.exam-sitting-card__body {
  padding: clamp(12px, 1.6vw, 18px);
  min-width: 0;
}
.exam-sitting-card__meta {
  margin: 0 0 var(--space-3);
}
.exam-sitting-card__join {
  margin-top: var(--space-4);
}
@media (min-width: 640px) {
  .exam-sitting-card--has-assignment {
    grid-template-columns: minmax(10.5rem, 12.5rem) 1fr;
    align-items: stretch;
  }
  .exam-sitting-card__assignment {
    justify-content: center;
    border-bottom: none;
    border-right: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  }
  .exam-sitting-card--assignment-done .exam-sitting-card__assignment {
    border-right-color: color-mix(in srgb, var(--success) 28%, var(--border));
  }
  .exam-sitting-card--assignment-warn .exam-sitting-card__assignment {
    border-right-color: color-mix(in srgb, var(--warning) 28%, var(--border));
  }
}
.exam-sitting-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 1rem;
  margin-bottom: var(--space-2);
}
.exam-sitting-card__name {
  margin: 0;
  font-size: 1.15rem;
}
.exam-sitting-card__flow {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.95rem;
}
.exam-sitting-card__sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.exam-sitting-card__arrow {
  color: var(--text-muted);
  font-weight: 400;
}
.exam-sitting-card__target {
  font-weight: 600;
}

/* Anki */
.anki-toolbar {
  margin-bottom: var(--space-4);
}
.anki-toolbar .lernen-search {
  max-width: 28rem;
}
.anki-card--hidden,
.anki-deck-card--hidden {
  display: none !important;
}
.lernen-subject.anki-subject--hidden {
  display: none !important;
}
.anki-search {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.anki-search__label {
  flex: 0 0 100%;
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}
.anki-search__field {
  flex: 1 1 14rem;
  min-width: 0;
  max-width: 28rem;
  font-size: 0.96rem;
}
.anki-search__clear {
  flex-shrink: 0;
}

.anki-deck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--space-4);
  align-items: start;
}
.anki-deck-grid .anki-deck-card {
  margin-bottom: 0;
  align-self: start;
  height: auto;
}
.lernen-hub-toolbar__anki-upload .anki-uploader {
  position: relative;
}
.anki-uploader__panel {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-1);
  box-shadow: var(--shadow-md);
}
.lernen-hub-toolbar__anki-upload .anki-uploader__panel,
.page-head .anki-uploader__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 40;
  width: min(calc(100vw - 2rem), 24rem);
  max-height: min(70vh, 34rem);
  margin-top: 0;
  overflow-y: auto;
  overscroll-behavior: auto;
  transform-origin: top right;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  transition:
    opacity 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s linear 0.2s;
}
.anki-uploader.is-open > .anki-uploader__panel {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
  transition:
    opacity 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0s;
}
@media (prefers-reduced-motion: reduce) {
  .lernen-hub-toolbar__anki-upload .anki-uploader__panel,
  .page-head .anki-uploader__panel {
    transition: none;
  }
}
/* Kompaktes Upload-Formular (Popover) */
.anki-upload-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.anki-upload-field {
  margin-bottom: var(--space-4);
}
.anki-upload-field:last-of-type {
  margin-bottom: 0;
}
.file-picker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  max-width: 28rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: var(--surface-2);
  box-sizing: border-box;
}
.file-picker__input {
  position: absolute;
  width: 0.1px;
  height: 0.1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.file-picker__btn {
  flex: 0 0 auto;
  margin: 0;
  cursor: pointer;
}
.file-picker__name {
  flex: 1 1 8rem;
  min-width: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.anki-upload__label {
  display: block;
  margin: 0 0 0.25rem;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
.anki-upload__badge {
  display: inline-block;
  margin-left: 0.2rem;
  padding: 0.1rem 0.4rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: var(--surface-2);
  border-radius: 4px;
  vertical-align: 0.08em;
}
.anki-upload__hint {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--text-muted);
}
.anki-upload__code {
  font-size: inherit;
  padding: 0.05em 0.3em;
  border-radius: 4px;
  background: var(--surface-2);
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  font-family: ui-monospace, Consolas, monospace;
}
.anki-upload__input {
  font-size: 0.92rem;
}
.anki-upload__textarea {
  width: 100%;
  max-width: 100%;
  min-height: 4.6rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
  line-height: 1.45;
  resize: vertical;
}
.anki-upload__textarea:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: var(--focus-ring);
}
.anki-upload__year {
  display: block;
  width: 100%;
  max-width: 14rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
}
.anki-upload__year:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
}
.anki-upload__year:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: var(--focus-ring);
}
.anki-deck-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
  font-size: 0.88rem;
  line-height: 1.35;
}
.anki-deck-meta__author {
  color: var(--text-soft);
  word-break: break-word;
}
.anki-upload__actions.actions {
  margin: var(--space-4) calc(-1 * var(--space-4)) calc(-1 * var(--space-4));
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid color-mix(in srgb, var(--border) 90%, transparent);
  background: color-mix(in srgb, var(--surface-2) 55%, var(--surface-1));
  border-radius: 0 0 calc(var(--radius-lg) - 1px) calc(var(--radius-lg) - 1px);
}
.anki-deck-card__title {
  margin: 0 0 var(--space-2);
  font-size: 1.05rem;
}
.anki-deck-card__actions {
  margin-top: 0;
}
/* Abstand zwischen Download und Fachschafts-Aktion */
.anki-deck-card__actions + form.inline-form {
  margin-top: var(--space-4);
}
.anki-avg {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin: var(--space-2) 0;
  font-size: 0.95rem;
}
.anki-avg__one {
  color: #d4a017;
  font-size: 1.1rem;
}
.anki-avg__num {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.star-rating-input {
  display: inline-flex;
  gap: 2px;
  align-items: center;
}
.star-rating-input__radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.star-rating-input__face {
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
  color: #c9ced9;
  transition:
    color 0.12s ease,
    transform 0.12s ease,
    text-shadow 0.12s ease;
}
.star-rating-input__face.is-lit {
  color: #d4a017;
}
.star-rating-input__face.is-preview {
  color: #f0c43a;
  transform: scale(1.08);
  text-shadow: 0 0 12px color-mix(in srgb, #f0c43a 55%, transparent);
}
.star-rating-input__radio:focus-visible + .star-rating-input__face {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.anki-rate-hint {
  font-size: 0.85rem;
  margin: var(--space-2) 0;
}

.comments-block {
  margin-top: var(--space-3);
}
.comments-block__heading {
  font-size: 1rem;
  margin: 0 0 var(--space-2);
  font-weight: 700;
}
.comment-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.comment-list__item {
  border-top: 1px solid var(--border);
  padding: var(--space-2) 0;
}
.comment-list__item:first-child {
  border-top: none;
}
.comment-body {
  margin: 0.35rem 0 0;
  white-space: pre-wrap;
  word-break: break-word;
}
.comment-body:has(.comment-wiki-figure) {
  white-space: normal;
}
.comment-wiki-figure {
  margin: var(--space-2) 0 0;
  max-width: 100%;
}
.comment-wiki-figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.comment-list__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.comment-meta {
  margin: 0;
  font-size: 0.85rem;
  min-width: 0;
}
.comment-delete-form {
  flex-shrink: 0;
  margin: 0;
}
.comment-list__btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.74rem;
  line-height: 1.3;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.comment-list__btn:hover {
  color: var(--text);
  background: var(--surface-2);
}
.comment-list__btn--danger:hover {
  color: var(--danger);
  border-color: var(--danger);
}
.comment-form__label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.comment-form__input {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}
.anki-comments-details {
  margin-top: var(--space-3);
}
.anki-comments-details__summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text);
}
.anki-comments-details__summary::-webkit-details-marker {
  display: none;
}
.anki-comments-details__summary:hover {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  background: color-mix(in srgb, var(--surface-2) 75%, var(--accent-soft));
}
.anki-comments-details__chevron {
  width: 0.9rem;
  height: 0.9rem;
  flex: 0 0 auto;
  background: currentColor;
  opacity: 0.7;
  -webkit-mask: var(--ui-chevron-mask) center / 100% no-repeat;
  mask: var(--ui-chevron-mask) center / 100% no-repeat;
  transition: transform 0.18s ease;
}
.anki-comments-details[open] .anki-comments-details__chevron {
  transform: rotate(180deg);
}
.anki-comments-details__body {
  margin-top: var(--space-2);
  padding: var(--space-2);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--surface-1);
}
.anki-comments-cap-hint {
  font-size: 0.8rem;
  margin: 0 0 var(--space-2);
}

/* Anki: Upload + Titel-Vorschau + Bewertungsblock */
.anki-uploader {
  position: relative;
  flex: 0 0 auto;
}
.anki-uploader.is-open {
  overflow: visible;
}
.anki-uploader__trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  user-select: none;
  cursor: pointer;
}
.anki-uploader__trigger::after {
  content: "";
  width: 0.65em;
  height: 0.65em;
  flex-shrink: 0;
  background: currentColor;
  opacity: 0.5;
  -webkit-mask: var(--ui-chevron-mask) center / 100% no-repeat;
  mask: var(--ui-chevron-mask) center / 100% no-repeat;
  transform: rotate(0deg);
  transition: transform 0.2s ease, opacity 0.15s ease;
}
.anki-upload__confirm {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.45rem;
  font-size: 0.84rem;
  color: var(--text-soft);
}
.anki-upload__confirm-choice {
  display: grid;
  gap: 0.45rem;
}
.anki-feedback-actions {
  margin: var(--space-2) 0;
}

/* =========================================================
   Anki – Karten-Design (neu)
   ========================================================= */
.anki-deck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--space-5);
  align-items: start;
}
.anki-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: clamp(14px, 1.4vw, 18px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-1);
  transition: border-color 0.15s ease;
}
.anki-card:hover {
  border-color: color-mix(in srgb, var(--border) 55%, var(--text-muted));
}
.anki-card__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  align-items: start;
  column-gap: var(--space-3);
  row-gap: var(--space-2);
}
.anki-card__head-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
}
.anki-card__download {
  justify-self: end;
  margin-left: 0;
  min-width: 2.25rem;
  min-height: 2.25rem;
  padding: 6px 11px;
  font-size: 0.84rem;
  font-weight: 600;
  gap: 0.45rem;
}
.anki-card__download svg,
.anki-card__download-icon {
  width: 1.05rem;
  height: 1.05rem;
  display: block;
  flex-shrink: 0;
}
.anki-card__download-rating {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0 0.42rem 0 0;
  margin: 0 0.1rem 0 0;
  border-right: 1px solid color-mix(in srgb, #fff 40%, transparent);
  font-size: 0.78rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.anki-card__download-rating-star {
  font-size: 0.72rem;
  line-height: 1;
  color: #f3d56a;
  text-shadow: 0 1px 1px color-mix(in srgb, #000 35%, transparent);
}
.anki-card__download-rating-num {
  font-size: 0.78rem;
  color: #fff;
  font-weight: 800;
}
.anki-card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  letter-spacing: -0.005em;
  word-break: break-word;
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.anki-card__meta {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--text-muted);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.anki-card__description {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 0.87rem;
  line-height: 1.45;
  color: var(--text-soft);
  white-space: pre-wrap;
  word-break: break-word;
}
.anki-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
}
.anki-chip--info {
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-1));
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  color: var(--accent-strong);
}
.anki-chip--ghost {
  background: transparent;
  color: var(--text-soft);
  border-style: dashed;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.anki-rate-global-hint {
  margin: 0 0 var(--space-3);
  font-size: 0.86rem;
}

.anki-icon-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-soft);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}
.anki-icon-btn svg {
  width: 1.05rem;
  height: 1.05rem;
}
.anki-icon-btn:hover:not(:disabled) {
  color: #d4a017;
  border-color: color-mix(in srgb, #d4a017 45%, var(--border));
  background: color-mix(in srgb, #d4a017 10%, var(--surface-1));
}
.anki-icon-btn:active:not(:disabled) {
  transform: scale(0.96);
}
.anki-icon-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.anki-icon-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.anki-card__details {
  --details-anim-dur: 280ms;
  --details-anim-ease: cubic-bezier(0.22, 1, 0.36, 1);
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
}
.anki-card__details:not(.details-anim--js) .details-anim__expand {
  transition: grid-template-rows var(--details-anim-dur) var(--details-anim-ease);
}
.anki-card__details-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0;
  border-radius: 0;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.12s ease;
}
.anki-card__details-summary::-webkit-details-marker { display: none; }
.anki-card__details-summary:hover {
  background: transparent;
  color: var(--text);
  border: 0;
}
.anki-card__details-icon {
  display: inline-flex;
  width: 1rem;
  height: 1rem;
  color: var(--text-muted);
}
.anki-card__details-icon svg { width: 100%; height: 100%; }
.anki-card__details-label {
  flex: 1 1 auto;
  min-width: 0;
}
.anki-card__details-chevron {
  width: 0.75rem;
  height: 0.75rem;
  flex: 0 0 auto;
  background: currentColor;
  opacity: 0.55;
  -webkit-mask: var(--ui-chevron-mask) center / 100% no-repeat;
  mask: var(--ui-chevron-mask) center / 100% no-repeat;
  transition: transform var(--details-anim-dur, 0.22s) var(--details-anim-ease, cubic-bezier(0.4, 0, 0.2, 1)),
    opacity 0.15s ease;
}
.anki-card__details.is-expanded > .anki-card__details-summary,
.anki-card__details:not(.details-anim--js)[open] > .anki-card__details-summary {
  background: transparent;
  color: var(--text);
  border: 0;
}
.anki-card__details.is-expanded > .anki-card__details-summary .anki-card__details-chevron,
.anki-card__details:not(.details-anim--js)[open] > .anki-card__details-summary .anki-card__details-chevron {
  transform: rotate(90deg);
  opacity: 0.85;
}
@media (prefers-reduced-motion: reduce) {
  .anki-card__details-chevron {
    transition-duration: 0.01ms;
    transition-timing-function: linear;
  }
}
.anki-card__details-body {
  padding: var(--space-2) 0 0;
}

.anki-card__moderate {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  padding-top: var(--space-2);
}
.anki-card__moderate .inline-form { margin: 0; }

.anki-text-btn {
  background: transparent;
  border: 0;
  padding: 0.2rem 0;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, currentColor 35%, transparent);
  transition: color 0.12s ease, text-decoration-color 0.12s ease;
}
.anki-text-btn:hover { color: var(--text); text-decoration-color: currentColor; }
.anki-text-btn--danger { color: #c14a4a; }
.anki-text-btn--danger:hover { color: #a83333; }
.anki-text-btn--muted { color: var(--text-muted); opacity: 0.85; }

/* =========================================================
   Anki – Feedback-Modal (neu)
   ========================================================= */
.anki-feedback-modal {
  border: 0;
  padding: 0;
  width: min(520px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  color: var(--text);
  box-shadow:
    0 32px 80px rgba(0, 0, 0, 0.32),
    0 0 0 1px color-mix(in srgb, var(--border) 80%, transparent);
  overflow: hidden;
  animation: anki-modal-in 0.18s ease-out;
}
.anki-feedback-modal[open] { display: flex; flex-direction: column; }
.anki-feedback-modal::backdrop {
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: anki-backdrop-in 0.18s ease-out;
}
@keyframes anki-modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes anki-backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.anki-feedback-modal__shell {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: clamp(20px, 2.4vw, 28px);
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent) 6%, var(--surface-1)) 0%,
    var(--surface-1) 80px);
  border: 0;
}
.anki-feedback-modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  border: 0;
}
.anki-feedback-modal__title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
.anki-feedback-modal__close {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin: -4px -4px 0 0;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}
.anki-feedback-modal__close:hover {
  background: var(--surface-2);
  color: var(--text);
}
.anki-feedback-modal__close svg { width: 1rem; height: 1rem; }

.anki-feedback-modal__hint {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.anki-feedback-modal__deck-name {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--accent-strong);
  line-height: 1.3;
  word-break: break-word;
}

.anki-feedback-modal__rate {
  margin: var(--space-2) 0;
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  display: flex;
  justify-content: center;
}
.star-rating-input--modal {
  gap: 0.3rem;
  margin: 0;
}
.star-rating-input--modal .star-rating-input__face {
  font-size: 2rem;
  padding: 0.15rem 0.2rem;
  border-radius: 6px;
}
.anki-feedback-modal__stars-text {
  margin: 0.45rem 0 0;
  font-size: 0.82rem;
  line-height: 1.2;
  text-align: center;
  min-height: 1em;
}
.anki-feedback-modal__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-soft);
  margin: 0;
}
.anki-feedback-modal__textarea {
  width: 100%;
  min-height: 96px;
  padding: 0.65rem 0.8rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
  line-height: 1.45;
  resize: vertical;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.anki-feedback-modal__textarea:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: var(--focus-ring);
}

.anki-feedback-modal__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
}
.anki-feedback-modal__primary {
  width: 100%;
  min-height: 42px;
  font-size: 0.98rem;
}
.anki-feedback-modal__remind {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.85rem 1.2rem;
  font-size: 0.85rem;
}
.anki-feedback-modal__remind .anki-text-btn {
  font-size: 0.85rem;
}

/* Suppress legacy class artifacts that older browsers/styles may still target */
.anki-deck-card,
.anki-deck-card__title,
.anki-deck-card__title--foldable,
.anki-deck-card__actions,
.anki-feedback-actions,
.anki-rate-hint,
.anki-avg,
.anki-deck-meta {
  /* legacy selectors no longer used by template */
}
.anki-uploader.is-open > .anki-uploader__trigger::after {
  transform: rotate(90deg);
  opacity: 0.7;
}
.anki-deck-card__title--foldable {
  font-size: 1.12rem;
  line-height: 1.4;
}
.anki-title__line {
  display: inline;
}
.anki-title__vis {
  font-weight: 600;
}
.anki-title__more {
  font-weight: 600;
}
.anki-title__ell {
  font-weight: 500;
  color: var(--text-muted);
}
.anki-title__toggle {
  margin-left: 0.35rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: 0;
  padding: 0 0.15rem;
  cursor: pointer;
  text-decoration: underline;
}
.anki-title__toggle:hover {
  color: var(--accent);
}
.anki-avg__count {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.anki-mine {
  margin: var(--space-2) 0 var(--space-3);
}

/* Themes-Vorschaukacheln (Legacy-Stil, optional) */
.theme-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.theme-preview {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-1);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.theme-preview:hover {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  box-shadow: var(--shadow-md);
}
.theme-preview--current {
  border-color: color-mix(in srgb, var(--success) 45%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--success) 35%, transparent);
}
.theme-preview-activate {
  position: absolute;
  inset: 0;
  z-index: 2;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  pointer-events: none;
}
.theme-preview-activate__hit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  background: transparent;
  pointer-events: auto;
  opacity: 0.001;
}
.theme-preview-activate__hit:focus-visible {
  opacity: 1;
  outline: 2px solid var(--accent);
  outline-offset: -4px;
}
.theme-preview__inner {
  position: relative;
  z-index: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
.theme-preview-cap {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border);
  background: var(--surface-1);
}
.theme-preview-cap h2 {
  margin: 0 0 var(--space-1);
  font-size: 1rem;
}
.theme-preview-cap p {
  margin: 0;
  font-size: 0.88rem;
}
.theme-preview-cta,
.theme-preview-active-badge {
  margin: var(--space-2) 0 0 !important;
  font-size: 0.8rem;
}
.theme-preview-canvas {
  flex: 1;
  padding: var(--space-3);
  min-height: 180px;
  background: var(--bg);
  color: var(--text);
}
.theme-preview-mock {
  display: flex;
  gap: var(--space-2);
  align-items: stretch;
  min-height: 160px;
}
.theme-preview-mock .card {
  margin-bottom: 0;
}
.theme-preview-mock .heatmap {
  max-width: 100%;
  margin-top: var(--space-3);
  --heatmap-cell: 10px;
}
.theme-preview-title {
  margin: 0 0 var(--space-2);
  font-size: 0.95rem;
}
.theme-preview-text {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.theme-preview-heatmap {
  display: grid;
  height: 56px;
  max-width: 220px;
  gap: 5px;
  grid-template-columns: repeat(9, 1fr);
}
.theme-preview-rail {
  width: 36px;
  flex-shrink: 0;
  border-radius: var(--radius);
  background: var(--surface-1);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-3) 0;
  gap: var(--space-2);
  color: var(--text-muted);
}
.theme-preview-rail .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}
.pref-swatch[data-theme] {
  background: var(--bg);
}

/* Administration (Fachschaft) */
.page-head__actions {
  flex: 0 0 auto;
  margin: 0;
}
.admin-page {
  min-width: 0;
}
.admin-page--dashboard .admin-dashboard__intro {
  max-width: 36rem;
  margin-bottom: 0;
}
.admin-dash-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-4);
}
.admin-dash-section__head {
  margin: 0 0 var(--space-3);
}
.admin-dash-section__title {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.admin-dash-section__lead {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.35;
  max-width: 40rem;
}
.admin-tiles--dashboard {
  margin-top: 0;
}
.admin-tile--attention {
  border-left: 3px solid var(--accent);
  padding-left: calc(var(--space-4) - 2px);
}
.admin-tile__stats {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.85rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.admin-tile__stat strong {
  font-weight: 700;
  color: var(--text);
}
.admin-subnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.4rem;
  margin: 0 0 var(--space-4);
  padding: 0.35rem 0.45rem;
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.admin-subnav__link {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid transparent;
}
.admin-subnav__link:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--surface-1) 70%, var(--surface-2));
  border-color: var(--border);
}
.admin-subnav__link.is-active {
  color: var(--text);
  background: var(--surface-1);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.subnav-pill.admin-subnav {
  position: relative;
}
.subnav-pill .admin-subnav__link {
  position: relative;
  z-index: 1;
  transition: color 0.18s ease;
}
.subnav-pill .admin-subnav__link:hover {
  color: var(--text-muted);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}
.subnav-pill .admin-subnav__link.is-active:hover {
  color: var(--text);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}
.subnav-pill:not([data-indicator-ready]) .admin-subnav__link.is-active {
  color: var(--text);
  background: var(--surface-1);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.subnav-pill .admin-subnav__link.is-active {
  color: var(--text);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}
.subnav-pill__indicator.subnav-pill__indicator--instant {
  transition: none !important;
}
.subnav-pill__indicator {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-radius: 999px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transform: translate(0, 0);
  transition:
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    width 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    height 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}
.subnav-pill:not([data-indicator-ready]) .subnav-pill__indicator {
  transition: none;
}
.subnav-pill[data-indicator-ready] .subnav-pill__indicator {
  opacity: 1;
}
.settings-swap,
.admin-swap {
  min-width: 0;
}
@media (prefers-reduced-motion: reduce) {
  .subnav-pill__indicator,
  .subnav-pill__indicator.subnav-pill__indicator--instant {
    transition: none;
  }
}
.settings-section--anchor {
  scroll-margin-top: 1rem;
}
.settings-subgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-3);
}
.settings-subcard {
  padding: var(--space-3);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-1) 92%, transparent);
}
.settings-subcard__title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 700;
}
.settings-subcard__hint {
  margin: 0 0 var(--space-3);
  font-size: 0.9rem;
}
.settings-subcategory {
  margin-top: var(--space-5);
}
.settings-subcategory__title {
  margin: 0 0 var(--space-2);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.pref-toggle-grid--nav-layout {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.settings-page .form-stack:not(.form-prefs) > fieldset.pref-field {
  margin: 0 0 var(--space-4);
  padding: var(--space-4) var(--space-5) var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-1) 96%, transparent);
  min-width: 0;
}
.settings-page .form-stack:not(.form-prefs) > fieldset.pref-field legend {
  font-weight: 700;
  font-size: 0.94rem;
  padding: 0 var(--space-2);
  margin: 0 0 var(--space-4);
}

.pref-toggle-grid--nav-layout .pref-tile__body {
  gap: var(--space-3);
}
.pref-toggle-grid--nav-layout .pref-tile__title {
  margin-top: 0;
}
.pref-toggle-grid--nav-layout .pref-nav-preview {
  display: block;
  pointer-events: none;
  user-select: none;
}

.pref-toggle-grid--nav-layout .pref-nav-preview__frame {
  display: grid;
  gap: 4px;
  min-height: 4.4rem;
  padding: var(--space-3);
  border-radius: var(--radius);
  background: linear-gradient(
    160deg,
    var(--surface-3),
    color-mix(in srgb, var(--surface-2) 88%, var(--muted) 12%)
  );
  border: 1px solid color-mix(in srgb, var(--border) 88%, transparent);
  box-sizing: border-box;
}

.pref-nav-preview--sidebar .pref-nav-preview__frame {
  grid-template-columns: 28% minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  align-items: stretch;
}

.pref-nav-preview__sidebar-rail {
  border-radius: 5px;
  background: repeating-linear-gradient(
    180deg,
    color-mix(in srgb, var(--accent) 42%, transparent) 0px,
    color-mix(in srgb, var(--accent) 42%, transparent) 14%,
    color-mix(in srgb, var(--accent-soft) 55%, var(--surface-2)) 14%,
    color-mix(in srgb, var(--accent-soft) 55%, var(--surface-2)) 31%,
    color-mix(in srgb, var(--accent) 28%, transparent) 31%
  );
  border: 1px solid color-mix(in srgb, var(--accent-strong) 32%, transparent);
  min-height: 2.85rem;
}

.pref-nav-preview__sidebar-main {
  border-radius: 5px;
  background: linear-gradient(
    155deg,
    color-mix(in srgb, var(--surface-1) 94%, transparent),
    color-mix(in srgb, var(--surface-2) 96%, transparent)
  );
  border: 1px dashed color-mix(in srgb, var(--border) 65%, transparent);
  min-height: 2.85rem;
}

.pref-nav-preview--top .pref-nav-preview__frame {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: 32% minmax(0, 1fr);
}

.pref-nav-preview__top-strip {
  border-radius: 5px;
  background: repeating-linear-gradient(
    90deg,
    color-mix(in srgb, var(--accent) 42%, transparent) 0px,
    color-mix(in srgb, var(--accent) 42%, transparent) 11%,
    color-mix(in srgb, var(--accent-soft) 55%, var(--surface-2)) 11%,
    color-mix(in srgb, var(--accent-soft) 55%, var(--surface-2)) 22%,
    color-mix(in srgb, var(--accent) 28%, transparent) 22%
  );
  border: 1px solid color-mix(in srgb, var(--accent-strong) 32%, transparent);
  min-height: 1.05rem;
}

.pref-nav-preview__top-main {
  border-radius: 5px;
  background: linear-gradient(
    160deg,
    color-mix(in srgb, var(--surface-1) 94%, transparent),
    color-mix(in srgb, var(--surface-2) 96%, transparent)
  );
  border: 1px dashed color-mix(in srgb, var(--border) 65%, transparent);
}
.admin-subnav__link--external {
  font-weight: 500;
}
.admin-subnav__sep {
  width: 1px;
  height: 1.1rem;
  background: var(--border);
  margin: 0 0.1rem;
}
@media (max-width: 600px) {
  .admin-subnav__sep {
    display: none;
  }
}
.admin-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.admin-tile {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: var(--space-4);
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  background: var(--surface-1);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
  min-width: 0;
}
.admin-tile:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  color: inherit;
}
.admin-tile__label {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.admin-tile__value {
  font-size: 0.9rem;
  min-height: 1.4em;
}
.admin-tile__hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.35;
}
.admin-user-list {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-2) 0 0;
}
.admin-user-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4);
}
.admin-user-card__main {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}
.admin-user-card__email {
  word-break: break-word;
}
.admin-empty {
  padding: var(--space-5);
  text-align: center;
  margin-top: var(--space-2);
}
.admin-empty__title {
  margin: 0 0 var(--space-2);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}
.admin-dedup-help {
  margin-top: 0;
}
.admin-dedup-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 var(--space-4);
}
.admin-dedup-filters__link {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-soft);
  text-decoration: none;
  border: 1px solid var(--border);
}
.admin-dedup-filters__link.is-active {
  color: var(--text);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.admin-dedup-table__text {
  max-width: 20rem;
  font-size: 0.9rem;
  line-height: 1.4;
  word-break: break-word;
  vertical-align: top;
}
.admin-dedup-table__id {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-soft);
  margin-bottom: 0.2rem;
}
.admin-dedup-table__ctx {
  display: block;
  font-size: 0.75rem;
  color: var(--text-soft);
  margin-bottom: 0.25rem;
}
.admin-dedup-table__snippet {
  display: block;
}
.admin-dedup-table__opts {
  margin: 0.45rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.82rem;
  color: var(--text-soft);
}
.admin-dedup-table__opts li.is-correct {
  color: var(--text);
  font-weight: 600;
}
.admin-dedup-table__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  white-space: nowrap;
}
.admin-dedup-compare {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
@media (min-width: 900px) {
  .admin-dedup-compare {
    grid-template-columns: 1fr 1fr;
  }
}
.admin-dedup-compare__title {
  margin: 0 0 var(--space-2);
  font-size: 1.05rem;
}
.admin-dedup-compare__meta {
  margin: 0 0 var(--space-3);
}
.admin-dedup-compare__question {
  white-space: pre-wrap;
  line-height: 1.5;
  margin-bottom: var(--space-3);
}
.admin-dedup-compare__sub {
  margin: 0 0 var(--space-2);
  font-size: 0.95rem;
}
.admin-dedup-compare__answers {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
  line-height: 1.45;
}
.admin-dedup-compare__answers li {
  margin-bottom: 0.5rem;
}
.admin-dedup-compare__answers li.is-correct {
  font-weight: 600;
}
.admin-dedup-compare__actions {
  flex-wrap: wrap;
  gap: 0.5rem;
}
@media (min-width: 1000px) {
  .admin-dedup-table__text {
    max-width: 24rem;
  }
}
.admin-exam-dates {
  min-width: 40rem;
}
.admin-exam-dates__ctx {
  white-space: nowrap;
  font-size: 0.9rem;
}
.admin-exam-dates__dt-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.admin-exam-dates__input--date {
  flex: 1 1 9rem;
  max-width: 12rem;
}
.admin-exam-dates__input--time {
  flex: 0 0 auto;
  width: auto;
  max-width: 7.5rem;
}

/* Kalender: Pills mit Links in Zellen */
.cal-pill a {
  color: inherit;
  text-decoration: none;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cal-pill a:hover {
  text-decoration: none;
}
a.cal-pill.cal-pill--task,
button.cal-pill.cal-pill--task {
  color: inherit;
  text-decoration: none;
}
a.cal-pill.cal-pill--task:hover,
button.cal-pill.cal-pill--task:hover {
  filter: brightness(0.97);
}
[data-theme="dark"] a.cal-pill.cal-pill--task:hover,
[data-theme="ocean"] a.cal-pill.cal-pill--task:hover,
[data-theme="forest"] a.cal-pill.cal-pill--task:hover,
[data-theme="sunset"] a.cal-pill.cal-pill--task:hover,
[data-theme="rose"] a.cal-pill.cal-pill--task:hover,
[data-theme="slate"] a.cal-pill.cal-pill--task:hover,
[data-theme="amber"] a.cal-pill.cal-pill--task:hover,
[data-theme="espresso"] a.cal-pill.cal-pill--task:hover,
[data-theme="midnight"] a.cal-pill.cal-pill--task:hover,
[data-theme="void"] a.cal-pill.cal-pill--task:hover,
[data-theme="dark"] button.cal-pill.cal-pill--task:hover,
[data-theme="ocean"] button.cal-pill.cal-pill--task:hover,
[data-theme="forest"] button.cal-pill.cal-pill--task:hover,
[data-theme="sunset"] button.cal-pill.cal-pill--task:hover,
[data-theme="rose"] button.cal-pill.cal-pill--task:hover,
[data-theme="slate"] button.cal-pill.cal-pill--task:hover,
[data-theme="amber"] button.cal-pill.cal-pill--task:hover,
[data-theme="espresso"] button.cal-pill.cal-pill--task:hover,
[data-theme="midnight"] button.cal-pill.cal-pill--task:hover,
[data-theme="void"] button.cal-pill.cal-pill--task:hover {
  filter: brightness(1.08);
}
a.cal-pill.cal-pill--task:focus-visible,
button.cal-pill.cal-pill--task:focus-visible {
  text-decoration: none;
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
  border-radius: 4px;
}
.cal-pill a:focus-visible {
  text-decoration: none;
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
  border-radius: 4px;
}
.cal-pill:has(> a:hover) {
  filter: brightness(0.97);
}
[data-theme="dark"] .cal-pill:has(> a:hover),
[data-theme="ocean"] .cal-pill:has(> a:hover),
[data-theme="forest"] .cal-pill:has(> a:hover),
[data-theme="sunset"] .cal-pill:has(> a:hover),
[data-theme="rose"] .cal-pill:has(> a:hover),
[data-theme="slate"] .cal-pill:has(> a:hover),
[data-theme="amber"] .cal-pill:has(> a:hover),
[data-theme="espresso"] .cal-pill:has(> a:hover),
[data-theme="midnight"] .cal-pill:has(> a:hover),
[data-theme="void"] .cal-pill:has(> a:hover) {
  filter: brightness(1.08);
}
@media (max-width: 700px) {
  .cal-grid {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}
[data-theme="dark"] .cal-pill--task,
[data-theme="ocean"] .cal-pill--task,
[data-theme="forest"] .cal-pill--task,
[data-theme="sunset"] .cal-pill--task,
[data-theme="rose"] .cal-pill--task,
[data-theme="slate"] .cal-pill--task,
[data-theme="amber"] .cal-pill--task,
[data-theme="espresso"] .cal-pill--task,
[data-theme="midnight"] .cal-pill--task,
[data-theme="void"] .cal-pill--task {
  border-color: color-mix(in srgb, #2167d5 55%, var(--border));
  background: color-mix(in srgb, #2167d5 26%, var(--surface-2));
}
[data-theme="dark"] .cal-pill--sitting,
[data-theme="ocean"] .cal-pill--sitting,
[data-theme="forest"] .cal-pill--sitting,
[data-theme="sunset"] .cal-pill--sitting,
[data-theme="rose"] .cal-pill--sitting,
[data-theme="slate"] .cal-pill--sitting,
[data-theme="amber"] .cal-pill--sitting,
[data-theme="espresso"] .cal-pill--sitting,
[data-theme="midnight"] .cal-pill--sitting,
[data-theme="void"] .cal-pill--sitting {
  border-color: color-mix(in srgb, #d4a017 52%, var(--border));
  background: color-mix(in srgb, #d4a017 24%, var(--surface-2));
}
[data-theme="dark"] .cal-pill--klausur,
[data-theme="ocean"] .cal-pill--klausur,
[data-theme="forest"] .cal-pill--klausur,
[data-theme="sunset"] .cal-pill--klausur,
[data-theme="rose"] .cal-pill--klausur,
[data-theme="slate"] .cal-pill--klausur,
[data-theme="amber"] .cal-pill--klausur,
[data-theme="espresso"] .cal-pill--klausur,
[data-theme="midnight"] .cal-pill--klausur,
[data-theme="void"] .cal-pill--klausur {
  border-color: color-mix(in srgb, #20845b 52%, var(--border));
  background: color-mix(in srgb, #20845b 22%, var(--surface-2));
}
[data-theme="dark"] .cal-cell--day.is-today,
[data-theme="ocean"] .cal-cell--day.is-today,
[data-theme="forest"] .cal-cell--day.is-today,
[data-theme="sunset"] .cal-cell--day.is-today,
[data-theme="rose"] .cal-cell--day.is-today,
[data-theme="slate"] .cal-cell--day.is-today,
[data-theme="amber"] .cal-cell--day.is-today,
[data-theme="espresso"] .cal-cell--day.is-today,
[data-theme="midnight"] .cal-cell--day.is-today,
[data-theme="void"] .cal-cell--day.is-today {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent);
}

/* Sidebar: Hover-Zustände */
.nav-item:hover {
  color: var(--text);
  background: var(--surface-2);
}
.auth-card {
  max-width: 480px;
  margin: min(6vh, 48px) auto 0;
}

.auth-modal {
  border: none;
  border-radius: var(--radius-lg);
  padding: 0;
  max-width: min(28rem, 94vw);
  max-height: min(92dvh, 720px);
  overflow: hidden;
  background: var(--surface-1);
  color: var(--text);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.28);
}
.auth-modal::backdrop {
  background: rgba(0, 0, 0, 0.48);
}
.auth-modal__inner {
  position: relative;
  padding: var(--space-5) var(--space-4) var(--space-4);
  max-height: min(92dvh, 720px);
  overflow-y: auto;
}
.auth-modal__title {
  margin: 0 0 var(--space-3);
  font-size: 1.35rem;
  line-height: 1.25;
  text-align: center;
}
.auth-modal__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}
.auth-modal__close:hover {
  color: var(--text);
  background: var(--surface-2);
}
.auth-modal__close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.auth-modal__form {
  margin-top: var(--space-2);
}
.auth-modal__password-field {
  margin-bottom: 0;
}
.auth-modal__forgot {
  margin: 0.2rem 0 var(--space-3);
  font-size: 0.9rem;
  text-align: right;
}
.auth-modal__forgot a {
  color: var(--accent);
  text-decoration: none;
}
.auth-modal__forgot a:hover {
  text-decoration: underline;
}
.auth-modal__submit {
  justify-content: center;
  margin-top: var(--space-4);
}
.auth-modal__links {
  margin: var(--space-2) 0 0;
  text-align: center;
  font-size: 0.95rem;
}
.auth-modal__switch {
  padding: 0;
  border: none;
  background: none;
  color: var(--accent);
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}
.auth-modal__switch:hover {
  color: color-mix(in srgb, var(--accent) 80%, var(--text));
}
.auth-modal__switch:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Öffentliche Landing Page */
body.page-landing .main {
  max-width: min(100%, 101rem);
  margin-inline: auto;
}
body.page-landing {
  background:
    radial-gradient(120% 80% at 50% -10%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%),
    linear-gradient(180deg, color-mix(in srgb, var(--accent-soft) 35%, var(--bg)) 0%, var(--bg) 42%);
}

.landing {
  display: flex;
  flex-direction: column;
  gap: clamp(var(--space-6), 6vw, 3rem);
  padding-bottom: var(--space-6);
  width: 100%;
  max-width: min(100%, 86.4rem);
  margin-inline: auto;
  min-height: calc(100dvh - var(--space-6));
}

.landing-hero {
  padding: clamp(1rem, 4vw, 2.25rem) clamp(0.4rem, 1.6vw, 1.1rem) clamp(1.75rem, 5vw, 3rem);
  text-align: center;
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, var(--border));
  background:
    radial-gradient(110% 70% at 50% -20%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    linear-gradient(180deg,
      color-mix(in srgb, var(--accent-soft) 55%, var(--surface-1)) 0%,
      color-mix(in srgb, var(--surface-1) 92%, var(--accent-soft)) 100%);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--accent) 8%, transparent) inset;
}

.landing-hero__eyebrow {
  margin: 0 0 var(--space-5);
  display: flex;
  justify-content: center;
}

.landing-hero__brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-size: 1.2rem;
  letter-spacing: 0.02em;
}

.landing-hero__brand-mark .app-brand__wordmark {
  font-family: "Open Sans", ui-sans-serif, sans-serif;
  font-weight: 300;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.landing-hero__brand-mark .brand-logo__svg {
  width: 1.5rem;
  height: 1.5rem;
}

.landing-hero__headline {
  margin: 0 auto var(--space-4);
  max-width: 48ch;
  font-size: clamp(2.2rem, 4.3vw, 3.05rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--text);
  text-wrap: balance;
}

.landing-hero__lead {
  margin: 0 auto var(--space-6);
  max-width: 64rem;
  font-size: clamp(1.2rem, 1.7vw, 1.3rem);
  line-height: 1.6;
  color: var(--text-muted);
  text-wrap: pretty;
}

.landing-hero__actions {
  margin: 0 auto var(--space-6);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  width: 100%;
  max-width: 28rem;
}

.landing-hero__cta {
  min-width: 11rem;
  min-height: 50px;
  padding-inline: var(--space-4);
  font-size: 1.05rem;
}

.landing-hero__actions .btn.secondary {
  min-height: 50px;
  padding-inline: var(--space-4);
  font-size: 1.05rem;
}

.landing-stats {
  margin: 2rem auto 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(var(--space-5), 5vw, 2.25rem);
  max-width: 52rem;
}

.landing-stats__item {
  margin: 0;
  text-align: center;
  min-width: 6rem;
}

.landing-stats__num {
  margin: 0;
  font-size: clamp(2rem, 3.1vw, 2.45rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.landing-stats__label {
  margin: 0.3rem 0 0;
  font-size: 1rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.landing-features {
  margin: 0;
}

.landing-features__heading {
  margin: 0 auto var(--space-6);
  max-width: 28ch;
  text-align: center;
  font-size: clamp(1.7rem, 2.9vw, 2.15rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--text);
  text-wrap: balance;
}

.landing-features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: clamp(var(--space-3), 2vw, var(--space-4));
}

.landing-feature-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 100%;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  background: color-mix(in srgb, var(--surface-1) 96%, transparent);
  cursor: default;
}

.landing-feature-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}

.landing-feature-card__icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.landing-feature-card__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}

.landing-feature-card__text {
  margin: 0;
  flex: 1;
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.landing-dev {
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.landing-dev__label {
  margin-top: 0;
}

.landing-dev .actions {
  margin-bottom: var(--space-2);
}

.landing-dev__hint {
  margin-bottom: 0;
  font-size: 0.88rem;
}

.landing-foot {
  margin-top: auto;
  padding-top: var(--space-5);
  border-top: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
  text-align: center;
  font-size: 0.92rem;
}

.landing-dev details > summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-2) 0;
}

.landing-dev details > summary::-webkit-details-marker {
  display: none;
}

.landing-dev details[open] > summary {
  margin-bottom: var(--space-3);
}

.landing-foot a {
  color: var(--text-muted);
  font-weight: 500;
}

.landing-foot a:hover,
.landing-foot a:focus-visible {
  color: var(--accent);
}

/* Willkommensseite (Semesterauswahl) */
.page-welcome .welcome-intro {
  margin-bottom: var(--space-4);
}
.page-welcome .welcome-intro h1 {
  margin-top: 0;
}
.welcome-semester-band {
  margin-bottom: var(--space-4);
}
.welcome-semester-heading {
  margin: 0 0 var(--space-3);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.settings-page .welcome-semester-heading {
  padding-top: 0.25rem;
}
.welcome-semester-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(140px, 100%), 1fr));
  gap: var(--space-2);
}
.welcome-semester-form {
  margin: 0;
}
.welcome-semester-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 72px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition:
    background 0.14s ease,
    border-color 0.14s ease,
    box-shadow 0.14s ease;
}
.welcome-semester-tile:hover,
.welcome-semester-tile:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: color-mix(in srgb, var(--accent) 14%, var(--surface-2));
  box-shadow: var(--shadow-sm);
}
.welcome-semester-tile:active {
  transform: scale(0.99);
}

/* Admin: Aufgabenspenden / Protokoll (Admin Klausurtermine) */
.admin-kt-section .admin-kt-section__title {
  margin-top: 0;
  font-size: 1.1rem;
}
.admin-kt-section__title--hero {
  font-size: 1.42rem;
  line-height: 1.28;
}
@media (min-width: 720px) {
  .admin-kt-section__title--hero {
    font-size: 1.58rem;
  }
}
.admin-kt-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.admin-kt-actions {
  margin: 0;
}
.admin-kt-proto-filter {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin: 0 0 var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--border) 92%, var(--accent) 4%);
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--surface-2) 88%, var(--surface-1) 12%) 0%,
    var(--surface-2) 48%,
    color-mix(in srgb, var(--surface-2) 94%, var(--accent) 3%) 100%
  );
  box-shadow:
    var(--shadow-sm),
    inset 0 1px 0 color-mix(in srgb, var(--text) 6%, transparent);
}
.admin-kt-proto-filter__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 65%, transparent);
}
.admin-kt-proto-filter__eyebrow {
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--text-muted) 92%, var(--accent) 8%);
}
.admin-kt-proto-filter__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12.5rem, 1fr));
  gap: var(--space-3) var(--space-4);
  align-items: end;
}
.admin-kt-proto-filter__field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  color: var(--text-soft);
  margin-bottom: var(--space-2);
}
.admin-kt-proto-filter__field select,
.admin-kt-proto-filter__field input[type="search"] {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  min-width: 0;
}
.admin-kt-proto-filter__field--grow {
  grid-column: span 2;
}
@media (max-width: 560px) {
  .admin-kt-proto-filter__field--grow {
    grid-column: span 1;
  }
}
.admin-kt-proto-filter__checks {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
  background: color-mix(in srgb, var(--surface-1) 92%, transparent);
  box-shadow: inset 0 1px 2px color-mix(in srgb, var(--text) 4%, transparent);
}
.admin-kt-proto-filter__checks .checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin: 0;
  max-width: 36rem;
  font-size: 0.92rem;
  line-height: 1.4;
  color: var(--text);
}
.admin-kt-proto-filter__checks .checkbox-row input {
  margin-top: 0.2em;
}
.admin-kt-proto-filter__checks .checkbox-row span {
  color: color-mix(in srgb, var(--text) 92%, var(--text-muted) 8%);
}
.admin-kt-proto-filter__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  padding-top: var(--space-1);
  margin-top: calc(var(--space-1) * -1);
}
.admin-protocol-slot-group {
  margin-bottom: var(--space-4);
}
.admin-protocol-slot-group__title {
  margin-top: 0;
  font-size: 1.05rem;
}
.admin-protocol-slot-fieldset {
  border: none;
  padding: 0;
  margin: var(--space-3) 0 0;
}
.admin-protocol-slot-fieldset legend {
  padding: 0;
  margin-bottom: var(--space-2);
}
.protocol-slot-option {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  margin-bottom: var(--space-3);
  cursor: pointer;
}
.protocol-slot-option input {
  margin-top: 0.35rem;
  flex-shrink: 0;
}
.protocol-slot-option__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}
.protocol-slot-option__who {
  font-size: 0.95rem;
}
.protocol-slot-option__q {
  font-size: 0.92rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}
.admin-kt-pending {
  margin-top: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--text) 4%, transparent);
}
.admin-kt-pending summary {
  cursor: pointer;
  font-weight: 600;
  list-style-position: outside;
}
.admin-kt-pending-list {
  margin: var(--space-2) 0 0;
  padding-left: 1.25rem;
}
.admin-kt-pending-slot {
  display: inline-block;
  min-width: 2.25rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
}
.admin-kt-pending-email {
  word-break: break-all;
}

/* Admin: Fragenliste & Formular */
.admin-q-toolbar {
  position: relative;
  z-index: 5;
  overflow: visible;
  margin-bottom: var(--space-4);
}
.admin-q-toolbar .form-hint {
  display: block;
  margin-top: var(--space-2);
  font-size: 0.9rem;
}
.admin-question-delete {
  margin-top: var(--space-4);
  border-color: color-mix(in srgb, var(--danger) 30%, var(--border));
}
.admin-q-live-wrap {
  position: relative;
  display: block;
  width: 100%;
}
.admin-q-live-input {
  width: 100%;
  box-sizing: border-box;
  padding-right: 2.85rem;
}
.admin-q-live-input::-webkit-search-cancel-button,
.admin-q-live-input::-webkit-search-decoration {
  display: none;
}
.admin-q-live-input::-moz-search-clear {
  display: none;
}
.admin-q-live-wrap:has(.admin-q-live-input:disabled) .admin-q-live-clear {
  display: none !important;
}
.admin-q-live-clear {
  position: absolute;
  top: 50%;
  right: 0.25rem;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: color-mix(in srgb, var(--text-muted) 88%, var(--text) 12%);
  cursor: pointer;
  transition: color 0.15s ease;
}
.admin-q-live-wrap:has(.admin-q-live-clear:hover) .admin-q-live-input:not(:focus) {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
}
.admin-q-live-clear:hover {
  color: var(--text);
  background: transparent;
}
.admin-q-live-clear:focus-visible {
  color: var(--text);
  background: transparent;
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 38%, transparent);
}
.admin-q-live-clear[hidden] {
  display: none !important;
}
.admin-q-live-clear__icon {
  width: 1.2rem;
  height: 1.2rem;
  flex-shrink: 0;
}
.admin-q-bg-hint {
  margin: var(--space-3) 0 var(--space-4);
}
.admin-q-live-panel {
  margin-bottom: var(--space-5);
}
.admin-q-live-exams {
  margin-bottom: var(--space-4);
}
.admin-q-live-exams__title {
  margin: 0 0 var(--space-2);
  font-size: 0.95rem;
}
.admin-q-live-exams-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.admin-q-live-exams-empty {
  margin: var(--space-2) 0 0;
}
.admin-q-live-questions-title {
  margin: 0 0 var(--space-2);
  font-size: 0.95rem;
}
.admin-q-live-panel .table-wrap {
  margin-bottom: var(--space-2);
}
.admin-q-blocks-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.admin-q-block {
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-1) 92%, transparent);
  overflow: hidden;
}
.admin-q-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  width: 100%;
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s ease;
}
.admin-q-block__head:hover,
.admin-q-block__head:focus-visible {
  background: color-mix(in srgb, var(--accent-soft) 18%, var(--surface-1));
  outline: none;
}
.admin-q-block__title {
  flex: 1 1 12rem;
  font-weight: 700;
}
.admin-q-block__count {
  font-size: 0.9rem;
}
.admin-q-block__badge {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.admin-q-block__body {
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  padding: var(--space-3) var(--space-4) var(--space-4);
}
.admin-q-block__trunc,
.admin-q-block__empty {
  margin: var(--space-2) 0 0;
}
.admin-q-block__danger {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
}
.admin-q-block__danger-hint {
  display: inline-block;
  margin-left: var(--space-2);
  font-size: 0.88rem;
  max-width: 40rem;
  vertical-align: middle;
}
.admin-q-filter-row {
  margin-bottom: var(--space-4);
}
.admin-questions-table td {
  vertical-align: middle;
}
.admin-questions-table__actions {
  white-space: nowrap;
}
.admin-questions-table__actions .inline-form {
  display: inline;
}
.admin-questions-table__row--exact-id {
  background: color-mix(in srgb, var(--accent) 8%, var(--surface-1));
}
.admin-questions-table__row--exact-id > td:first-child {
  font-weight: 700;
  color: var(--accent-strong, var(--accent));
}
.admin-questions-table__ctx {
  font-size: 0.92rem;
  max-width: 22rem;
}
.admin-answer-fieldset {
  margin: var(--space-3) 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4) var(--space-4);
  background: color-mix(in srgb, var(--surface-1) 96%, transparent);
  min-width: 0;
}
.admin-answer-fieldset > legend {
  padding: 0 var(--space-1);
}
.admin-question-eb-combo {
  position: relative;
}
.admin-question-eb-search {
  width: 100%;
  box-sizing: border-box;
}
.admin-question-eb-search::-webkit-search-cancel-button,
.admin-question-eb-search::-webkit-search-decoration {
  display: none;
}
.admin-question-eb-search::-moz-search-clear {
  display: none;
}
.admin-question-eb-picklist {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  z-index: 40;
  max-height: min(42vh, 280px);
  overflow-y: auto;
  margin: 0;
  padding: var(--space-1);
  list-style: none;
  background: var(--surface-1);
  border: 1px solid color-mix(in srgb, var(--text) 14%, transparent);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 28px color-mix(in srgb, var(--text) 12%, transparent);
}
.admin-question-eb-picklist[hidden] {
  display: none !important;
}
.admin-question-eb-picklist__row {
  display: block;
  width: 100%;
  margin: 0;
  padding: var(--space-2) var(--space-3);
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.admin-question-eb-picklist__row:hover,
.admin-question-eb-picklist__row:focus-visible {
  background: var(--surface-2);
  outline: none;
}
.admin-question-eb-picklist__empty {
  padding: var(--space-3);
  color: var(--text-muted);
  font-size: 0.92rem;
}
.admin-answer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.admin-answer-row--hidden {
  display: none !important;
}
.admin-answer-row__lbl {
  width: 22px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.admin-answer-row__inp {
  flex: 1 1 220px;
}
.admin-answer-row__corr input {
  width: 18px;
  height: 18px;
}

.btn.danger {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 28%, transparent);
}
.btn.danger:hover,
.btn.danger:focus-visible {
  background: color-mix(in srgb, var(--danger) 28%, var(--surface-2));
  color: var(--danger);
}

/* Öffentliche Altklausuren-PDF-Sammlung */
.exam-pdf-archive .exam-pdf-search {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.exam-pdf-search__label {
  flex: 0 0 100%;
  margin: 0;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
}
.exam-pdf-search__field {
  flex: 1 1 16rem;
  min-width: 0;
  max-width: 28rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-1);
  font-size: 0.95rem;
}
.exam-pdf-search__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.exam-pdf-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}
.exam-pdf-card {
  margin-bottom: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}
.exam-pdf-card--hidden {
  display: none !important;
}
.exam-pdf-card__title {
  margin: 0 0 var(--space-2);
  font-size: 1.12rem;
}
.exam-pdf-card__actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-2);
  margin: 0;
  flex: 0 0 auto;
  min-width: min(100%, 12rem);
}
.exam-pdf-card__meta {
  margin: 0 0 var(--space-2);
}
.exam-pdf-archive .empty-state {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
  background: var(--surface-2);
}
.exam-pdf-archive .empty-state__lead {
  margin: 0 0 var(--space-2);
}

/* Admin PDF-Sammlung */
.pdf-admin-card {
  padding: var(--space-4);
}
.pdf-admin-existing {
  margin-top: var(--space-6);
}
.admin-pdf-rows {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}
.admin-pdf-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.admin-pdf-row .actions {
  margin-top: 0;
}

.admin-users-list {
  margin-top: var(--space-6);
}
.admin-users-rows {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}
.admin-users-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.admin-users-row .actions {
  margin-top: 0;
}

/* ------------------------------------------------------------------------- */
/* Live-Chat: Rand-Pfeil (Desktop), FAB (Mobile), Sidepanel rechts           */
/* ------------------------------------------------------------------------- */

:root {
  --chat-panel-open-w: min(380px, 92vw);
  --chat-panel-dur: 420ms;
  --chat-panel-ease: cubic-bezier(0.16, 1, 0.3, 1);
  /* Etwas weicher als globales --shadow-md, nur Chat-Seitenleiste */
  --chat-panel-shadow: 0 8px 28px color-mix(in srgb, var(--fg) 6%, transparent),
    0 1px 5px color-mix(in srgb, var(--fg) 3%, transparent);
}

/* Fest am rechten Rand: dezente Ziehhilfe (klein, zurückhaltende Farben) */
.chat-pull-tab {
  box-sizing: border-box;
  position: fixed;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  z-index: 130;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0;
  width: clamp(14px, 1.55vw, 20px);
  min-height: 72px;
  padding: 11px 1px;
  margin: 0;
  cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  border-right-width: 0;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  background: color-mix(in srgb, var(--surface-1) 95%, transparent);
  color: var(--text-muted);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--fg) 5%, transparent);
  backdrop-filter: blur(6px);
  transition:
    right var(--chat-panel-dur) var(--chat-panel-ease),
    background 120ms ease,
    border-color 120ms ease,
    color 120ms ease,
    transform 120ms ease,
    box-shadow 120ms ease;
}
.chat-pull-tab:hover {
  background: color-mix(in srgb, var(--surface-1) 98%, transparent);
  color: var(--text);
  border-color: var(--border);
  box-shadow: 0 1px 5px color-mix(in srgb, var(--fg) 5%, transparent);
}
.chat-pull-tab:focus-visible {
  outline: none;
  box-shadow: 0 1px 4px color-mix(in srgb, var(--fg) 6%, transparent), var(--focus-ring);
}
.chat-pull-tab.is-open {
  right: var(--chat-panel-open-w);
}
.chat-pull-tab.chat-pull-tab--instant,
.chat-pull-tab.chat-pull-tab--instant .chat-pull-tab__chev {
  transition: none !important;
}
.chat-pull-tab__chev {
  flex-shrink: 0;
  display: block;
  width: 13px;
  height: 13px;
  opacity: 0.32;
  transition: transform var(--chat-panel-dur) var(--chat-panel-ease), opacity 120ms ease;
}
.chat-pull-tab:hover .chat-pull-tab__chev,
.chat-pull-tab:focus-visible .chat-pull-tab__chev {
  opacity: 0.72;
}
.chat-pull-tab__chev path {
  stroke-width: 1.65;
  vector-effect: non-scaling-stroke;
}
.chat-pull-tab.is-open .chat-pull-tab__chev {
  transform: rotate(180deg);
}
.chat-pull-tab__badge {
  position: absolute;
  top: -3px;
  left: -4px;
  min-width: 14px;
  height: 14px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 0.58rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 1px var(--bg);
  pointer-events: none;
}

.semester-gate {
  position: fixed;
  inset: 0;
  z-index: 1400;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 140ms ease;
}

.semester-gate__card {
  width: min(760px, calc(100vw - 32px));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  box-shadow: var(--shadow-lg);
  padding: 18px;
}

.semester-gate__card .welcome-intro {
  margin-bottom: var(--space-4);
}

body.semester-gate-visible .semester-gate {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.chat-pull-tab.is-open .chat-pull-tab__badge {
  display: none !important;
}

.chat-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: var(--accent-on, #fff);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  z-index: 130;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}
.chat-fab:hover { transform: translateY(-2px); background: var(--accent-strong); }
.chat-fab:focus-visible { outline: none; box-shadow: var(--shadow-md), var(--focus-ring); }
.chat-fab__badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 2px var(--bg);
  pointer-events: none;
}

.chat-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--chat-panel-open-w);
  height: 100vh;
  background: var(--surface-1);
  border-left: 1px solid var(--border);
  box-shadow: -12px 0 0 color-mix(in srgb, var(--fg) 0%, transparent);
  display: flex;
  flex-direction: column;
  z-index: 125;
  transform: translate3d(100%, 0, 0);
  will-change: transform;
  pointer-events: none;
  transition:
    transform var(--chat-panel-dur) var(--chat-panel-ease),
    box-shadow calc(var(--chat-panel-dur) * 0.85) ease;
}
.chat-panel.is-open {
  transform: translate3d(0, 0, 0);
  box-shadow: var(--chat-panel-shadow);
  pointer-events: auto;
}
.chat-panel.chat-panel--instant {
  transition: none !important;
}
.chat-panel[hidden] {
  display: none;
  pointer-events: none;
  will-change: auto;
}
body.nav-layout-top:not(.chat-fullpage) .chat-panel {
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
}
body.nav-layout-top:not(.chat-fullpage) .chat-pull-tab {
  top: calc(50% + (var(--topbar-h) / 2));
}

@media (prefers-reduced-motion: reduce) {
  .chat-panel {
    transition-duration: 0.01ms;
    transition-timing-function: linear;
    will-change: auto;
  }
}

@keyframes chat-panel-chunk-in {
  from {
    opacity: 0;
    transform: translate3d(18px, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  body:not(.chat-fullpage) .chat-panel.is-open.chat-panel--chunk-in .chat-panel__header {
    animation: chat-panel-chunk-in calc(var(--chat-panel-dur) * 0.82) var(--chat-panel-ease) both;
    animation-delay: 0.05s;
  }
  body:not(.chat-fullpage) .chat-panel.is-open.chat-panel--chunk-in .chat-panel__tabs {
    animation: chat-panel-chunk-in calc(var(--chat-panel-dur) * 0.82) var(--chat-panel-ease) both;
    animation-delay: 0.09s;
  }
  body:not(.chat-fullpage) .chat-panel.is-open.chat-panel--chunk-in .chat-panel__form {
    animation: chat-panel-chunk-in calc(var(--chat-panel-dur) * 0.82) var(--chat-panel-ease) both;
    animation-delay: 0.13s;
  }
}

.chat-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
}
.chat-panel__title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}
.chat-panel__close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.chat-panel__close:hover { background: var(--surface-2); color: var(--text); }
.chat-panel__close:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.chat-panel__tabs {
  display: flex;
  gap: 2px;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.chat-tab {
  position: relative;
  flex: 1 1 auto;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.chat-tab:hover { color: var(--text); background: var(--surface-3); }
.chat-tab.is-active {
  color: var(--text);
  background: var(--surface-1);
  box-shadow: 0 1px 0 var(--accent) inset, 0 -1px 0 var(--border);
}
.chat-tab__badge {
  min-width: 18px;
  padding: 0 6px;
  height: 18px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Sonst gewinnt „display:inline-flex“ über das native [hidden] — „0“ bliebe sichtbar */
.chat-pull-tab__badge[hidden],
.chat-fab__badge[hidden],
.chat-tab__badge[hidden] {
  display: none !important;
}

.chat-panel__connection {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.chat-connection-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--text-muted);
}
[data-state="connecting"] .chat-connection-dot { background: var(--warning); }
[data-state="online"] .chat-connection-dot { background: var(--success); }
[data-state="offline"] .chat-connection-dot { background: var(--danger); }

.chat-panel__messages {
  flex: 1 1 auto;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--bg);
}
.chat-panel__messages::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}
.chat-empty {
  margin: auto;
  padding: var(--space-5);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-soft);
  font-size: 0.9rem;
  background: var(--surface-1);
  text-align: center;
}
.chat-empty--error { border-color: var(--danger); color: var(--danger); }

.chat-msg {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px;
  border-radius: var(--radius);
  background: var(--surface-1);
  border: 1px solid var(--border);
  position: relative;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}
.chat-msg.is-own {
  background: var(--accent-soft);
  border-color: transparent;
  align-self: flex-end;
  max-width: 90%;
}
.chat-msg.is-deleted {
  background: var(--surface-2);
  font-style: italic;
  color: var(--text-soft);
}
.chat-msg__head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.chat-msg__name {
  font-weight: 700;
  color: var(--text);
}
.chat-msg.is-own .chat-msg__name { color: var(--accent-strong); }
.chat-msg__time { color: var(--text-soft); font-variant-numeric: tabular-nums; }
.chat-msg__edited { font-size: 0.72rem; color: var(--text-soft); }
.chat-msg__body {
  font-size: 0.94rem;
  line-height: 1.4;
  color: var(--text);
}
.chat-msg__body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.chat-msg__body a:hover { color: var(--accent-strong); }
.chat-mention {
  background: var(--accent-soft);
  color: var(--accent-strong);
  padding: 0 4px;
  border-radius: 4px;
  font-weight: 600;
}
.chat-msg__actions {
  display: none;
  gap: 6px;
  margin-top: 4px;
}
.chat-msg:hover .chat-msg__actions,
.chat-msg:focus-within .chat-msg__actions { display: flex; }
.chat-msg__btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.74rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.chat-msg__btn:hover { color: var(--text); background: var(--surface-2); }
.chat-msg__btn--danger:hover { color: var(--danger); border-color: var(--danger); }

.chat-panel__typing {
  padding: 4px 14px;
  font-size: 0.78rem;
  color: var(--text-soft);
  font-style: italic;
}

.chat-panel__form {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding: var(--space-3) var(--space-4) var(--space-4);
  border-top: 1px solid var(--border);
  background: var(--surface-1);
}
.chat-panel__input {
  flex: 1 1 auto;
  resize: none;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  font: inherit;
  background: var(--surface-1);
  color: var(--text);
  min-height: 38px;
  max-height: 160px;
  line-height: 1.4;
}
.chat-panel__input::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}
.chat-panel__input:focus { outline: none; border-color: var(--accent); box-shadow: var(--focus-ring); }
.chat-panel__send {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: none;
  background: var(--accent);
  color: var(--accent-on, #fff);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.chat-panel__send:hover { background: var(--accent-strong); }
.chat-panel__send:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* Vollbild-Variante (Mobile) */
.chat-fullpage .chat-fullpage__wrap {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--topbar-h, 0px));
  padding: var(--space-3);
}
.chat-fullpage__title { margin: 0 0 var(--space-3); font-size: 1.2rem; }
.chat-fullpage__inner {
  flex: 1 1 auto;
  position: relative;
}
.chat-fullpage .chat-panel {
  position: relative;
  inset: auto;
  width: 100%;
  height: 100%;
  border-left: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transform: none;
  box-shadow: var(--shadow-sm);
}
.chat-fullpage .chat-fab { display: none; }
.chat-fullpage .chat-pull-tab { display: none !important; }

/* Schmale aber noch „Desktop“-Breite: Rand-Pfeil ab 721px (Sidebar-Mobile bleibt bei 820) */
@media (min-width: 721px) {
  body:not(.chat-fullpage) .chat-pull-tab {
    display: inline-flex;
  }
  body:not(.chat-fullpage) .chat-fab {
    display: none !important;
  }
  body:not(.chat-fullpage) .layout > .main {
    transition: margin-right var(--chat-panel-dur) var(--chat-panel-ease);
  }
  body.chat-restore-instant:not(.chat-fullpage) .layout > .main {
    transition: none !important;
  }
  body.chat-panel-open:not(.chat-fullpage) .layout > .main {
    margin-right: var(--chat-panel-open-w);
  }
  @media (prefers-reduced-motion: reduce) {
    body:not(.chat-fullpage) .layout > .main {
      transition-duration: 0.01ms;
    }
  }
}

/* Sehr schmal: kein Rand-Tab; FAB oeffnet Chat als Overlay */
@media (max-width: 720px) {
  body:not(.chat-fullpage) .chat-pull-tab {
    display: none !important;
  }
  body:not(.chat-fullpage) .chat-panel {
    width: 100vw;
    border-left: none;
  }
  body:not(.chat-fullpage) .chat-panel__header {
    padding: var(--space-4) var(--space-5) var(--space-4) calc(var(--space-5) * 2);
  }
  body:not(.chat-fullpage) .chat-panel__tabs {
    padding: var(--space-2) var(--space-3) var(--space-2) calc(var(--space-3) * 2);
  }
  body:not(.chat-fullpage) .chat-panel__connection {
    padding: 6px 14px 6px 28px;
  }
  body:not(.chat-fullpage) .chat-panel__messages {
    padding: 14px var(--space-4) 14px calc(var(--space-4) * 2);
  }
  body:not(.chat-fullpage) .chat-panel__typing {
    padding: 4px 14px 4px 28px;
  }
  body:not(.chat-fullpage) .chat-panel__form {
    padding: var(--space-3) var(--space-4) var(--space-4) calc(var(--space-4) * 2);
  }
  body:not(.chat-fullpage) .chat-panel__close {
    padding: 8px;
  }
  body:not(.chat-fullpage) .chat-panel__close svg {
    width: 22px;
    height: 22px;
  }
  body.chat-panel-open:not(.chat-fullpage) .chat-fab {
    display: none !important;
  }
  .chat-fab { right: 14px; bottom: 14px; }
}

/* Präferenz data-ui-corners="sharp": Harte Token + harte border-radius (übersteuert z. B. 999px-Pills). */
html[data-ui-corners="sharp"] *,
html[data-ui-corners="sharp"] *::before,
html[data-ui-corners="sharp"] *::after {
  border-radius: 0 !important;
}