*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --accent: #9B85D6;         /* Lavendel */
    --accent-light: #EDE9F8;   /* Helles Lavendel */
    --accent-dark: #6B5FA8;    /* Dunkles Lavendel */
    --yellow: #F2C832;         /* Rapsgelb */
    --yellow-dark: #C9A000;    /* Dunkles Rapsgelb */
    --yellow-light: #FDF6D0;   /* Helles Rapsgelb */
    --bg: #FAF9FF;
    --bg2: #F0ECFF;
    --bg3: #E4DEFF;
    --text: #2D2547;
    --text2: #6B5FA8;
    --text3: #9B90C0;
    --border: #D8D0F0;
    --white: #FFFFFF;
    --shadow: 0 2px 12px rgba(107,95,168,0.10);
    --shadow-md: 0 4px 20px rgba(107,95,168,0.14);
    --shadow-lg: 0 8px 40px rgba(107,95,168,0.20);
    --shadow-inset: inset 0 1px 2px rgba(0,0,0,0.06);
    --accent-gradient: linear-gradient(135deg, #9B85D6 0%, #B8A8E8 100%);
    --accent-glow: rgba(155,133,214,0.35);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 50px;
    --g1: #2D7A3A; --g1-bg: #D4EDDA; --g1-border: #A8D5B0;
    --g2: #5A9A2A; --g2-bg: #DFF0C8; --g2-border: #B8D88A;
    --g3: #C4901A; --g3-bg: #FFF3CC; --g3-border: #F0D888;
    --g4: #C46A1A; --g4-bg: #FFE4C0; --g4-border: #F0B870;
    --g5: #C43A1A; --g5-bg: #FFDAD0; --g5-border: #F0A090;
    --g6: #8A1A1A; --g6-bg: #F0C8C8; --g6-border: #D08080;
  }

  body {
    font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
    background: linear-gradient(160deg, #FAF9FF 0%, #F0ECFF 50%, #EDE9F8 100%);
    background-attachment: fixed;
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
  }

  /* ── Header ── */
  .app-header {
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(155,133,214,0.20);
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    height: 56px;
    box-shadow: 0 4px 20px rgba(107,95,168,0.08);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .app-logo { font-size: 20px; font-weight: 800; color: var(--accent-dark); letter-spacing: -0.5px; }
  .app-logo span { color: var(--yellow-dark); }
  .app-subtitle { color: var(--text3); font-size: 12px; }

  /* ── Tabs ── */
  .tabs-bar {
    background: transparent;
    padding: 10px 16px;
    display: flex;
    gap: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .tabs-inner {
    background: var(--bg2);
    border-radius: var(--radius-xl);
    padding: 5px;
    display: flex;
    gap: 4px;
    box-shadow: var(--shadow-inset);
    min-width: max-content;
  }
  .tab-btn {
    padding: 9px 16px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--text2);
    border-radius: var(--radius-lg);
    white-space: nowrap;
    transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1);
    margin-bottom: 0;
  }
  .tab-btn:hover { color: var(--accent-dark); background: rgba(255,255,255,0.6); }
  .tab-btn.active {
    background: var(--white);
    color: var(--accent-dark);
    font-weight: 700;
    box-shadow: var(--shadow-md);
    transform: scale(1.02);
  }

  /* ── Tab Content ── */
  /* tab-content styles moved to Layout section */

  /* ── Cards ── */
  .card {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: none;
    border-radius: var(--radius-lg);
    padding: 14px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-md);
  }
  .card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
  }
  .card-title { font-size: 15px; font-weight: 600; color: var(--text); }

  /* ── Buttons ── */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
    white-space: nowrap;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }
  .btn:active { transform: scale(0.96); }
  .btn-primary {
    background: var(--accent-gradient);
    color: var(--white);
    box-shadow: 0 2px 12px var(--accent-glow);
    font-weight: 700;
    border: none;
    transition: transform 0.18s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.18s ease;
  }
  .btn-primary:hover { transform: translateY(-1px) scale(1.02); box-shadow: 0 4px 20px var(--accent-glow); }
  .btn-primary:active { transform: scale(0.97); }
  .btn-secondary { background: var(--bg2); color: var(--text); border: 1px solid var(--border); }
  .btn-secondary:hover { background: var(--bg3); }
  .btn-danger { background: #FDDCDC; color: #8A1A1A; border: 1px solid #F0A0A0; }
  .btn-danger:hover { background: #FAC8C8; }
  .btn-sm { padding: 4px 10px; font-size: 12px; }
  .btn-icon { padding: 4px 8px; min-width: 28px; min-height: 28px; justify-content: center; }

  /* Touch targets on tablet/phone */
  @media (pointer: coarse) {
    .btn-icon { min-width: 40px; min-height: 40px; padding: 8px; }
    .btn-sm { padding: 8px 12px; }
    .fach-chip, .kat-chip { padding: 6px 14px; font-size: 13px; }
    input[type="text"], input[type="number"], input[type="date"], select {
      padding: 10px 12px; font-size: 15px;
    }
    .grade-cell input[type="number"] { width: 68px; padding: 8px; font-size: 14px; }
    .cal-day { min-height: 44px; font-size: 14px; }
  }

  /* ── Forms ── */
  .form-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: flex-end;
    margin-bottom: 12px;
  }
  .form-group { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 120px; }
  .form-group label { font-size: 12px; font-weight: 500; color: var(--text2); }
  input[type="text"], input[type="number"], input[type="date"], select, textarea {
    padding: 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    background: var(--bg2);
    color: var(--text);
    outline: none;
    transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
    width: 100%;
  }
  input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--white);
  }
  textarea { resize: vertical; min-height: 80px; }

  /* ── Tables ── */
  .table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: none; box-shadow: var(--shadow-md); background: rgba(255,255,255,0.85); -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain; }
  table { width: 100%; border-collapse: collapse; font-size: 13px; }
  thead th {
    background: var(--bg2);
    padding: 6px 10px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--text2);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
  }
  tbody tr:nth-child(even) { background: var(--bg); }
  tbody tr:hover { background: var(--yellow-light); }
  tbody td { padding: 5px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
  tbody tr:last-child td { border-bottom: none; }

  /* ── Grade Chips ── */
  .grade-chip {
    display: inline-block;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 12px;
    min-width: 34px;
    text-align: center;
    letter-spacing: 0.02em;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  }
  .gc-1, .gc-1m { background: var(--g1-bg); color: var(--g1); border: 1px solid var(--g1-border); }
  .gc-2p, .gc-2, .gc-2m { background: var(--g2-bg); color: var(--g2); border: 1px solid var(--g2-border); }
  .gc-3p, .gc-3, .gc-3m { background: var(--g3-bg); color: var(--g3); border: 1px solid var(--g3-border); }
  .gc-4p, .gc-4, .gc-4m { background: var(--g4-bg); color: var(--g4); border: 1px solid var(--g4-border); }
  .gc-5p, .gc-5, .gc-5m { background: var(--g5-bg); color: var(--g5); border: 1px solid var(--g5-border); }
  .gc-6 { background: var(--g6-bg); color: var(--g6); border: 1px solid var(--g6-border); }

  /* ── Grade Input Cell ── */
  .grade-cell { display: flex; align-items: center; gap: 6px; }
  .grade-cell input[type="number"] {
    width: 70px;
    padding: 5px 6px;
    text-align: center;
    font-size: 13px;
  }
  .grade-cell .grade-preview { min-width: 34px; font-size: 11px; }

  /* ── Empty State ── */
  .empty-state {
    text-align: center;
    padding: 24px 12px;
    color: var(--text3);
  }
  .empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; }
  .empty-state h3 { font-size: 16px; color: var(--text2); margin-bottom: 6px; }

  /* ── Modal ── */
  .modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
  }
  .modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0,0,0,0.22);
    padding: 28px;
    max-width: 520px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    border: none;
  }
  .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
  }
  .modal-title { font-size: 16px; font-weight: 700; }
  .modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text3); padding: 2px 6px; border-radius: 4px; }
  .modal-close:hover { background: var(--bg3); }
  .modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }

  /* ── Tooltip Grade Table ── */
  .grade-tooltip-table { font-size: 11px; }
  .grade-tooltip-table td { padding: 3px 8px; }

  /* ── Klassen Grid ── */
  .klassen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
  }
  .klasse-card {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: box-shadow 0.2s, transform 0.2s cubic-bezier(0.34,1.56,0.64,1);
  }
  .klasse-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
  .klasse-card-header {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    padding: 14px 16px;
    color: var(--white);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .klasse-name { font-size: 20px; font-weight: 700; }
  .klasse-meta { font-size: 11px; opacity: 0.85; }
  .klasse-body { padding: 14px 16px; }
  .fav-star-btn { background:none;border:none;font-size:17px;cursor:pointer;padding:2px 4px;line-height:1;transition:opacity .15s,transform .15s;border-radius:4px; }
  .fav-star-btn:hover { transform:scale(1.2); }
  .klasse-actions { display: flex; gap: 8px; padding: 10px 16px; background: var(--bg2); border-top: 1px solid var(--border); }

  /* ── Selector Bar ── */
  .selector-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    background: rgba(255,255,255,0.80);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 10px 16px;
    border-radius: var(--radius-lg);
    border: none;
    margin-bottom: 12px;
    box-shadow: var(--shadow-md);
    flex-wrap: wrap;
  }
  .selector-bar label { font-weight: 600; font-size: 13px; white-space: nowrap; }
  .selector-bar select { min-width: 160px; flex: 0 0 auto; }

  /* ── Calendar ── */
  .cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    margin-top: 12px;
  }
  .cal-header-cell {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--text3);
    padding: 4px;
  }
  .cal-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid transparent;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s;
    gap: 1px;
    padding: 2px;
  }
  .cal-day:hover { background: var(--yellow-light); border-color: var(--yellow); }
  .cal-day.has-entries { background: #FFF3CC; border-color: #F0D888; }
  .cal-day.today { border-color: var(--yellow); font-weight: 700; box-shadow: 0 0 0 2px var(--yellow-light); }
  .cal-day.empty { cursor: default; pointer-events: none; }
  .cal-day.holiday { background: #ffe4eb; }
  .cal-day.holiday:hover { background: #ffd0db; }
  .cal-day.holiday.has-entries { background: #f0a0b0; }
  .cal-day .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent-dark); }
  .cal-day-num { font-size: 12px; }

  /* ── Section Headers ── */
  .section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  /* ── Tag ── */
  .tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
  }
  .tag-schriftlich { background: #DAEEFF; color: #1A5FA8; border: 1px solid #A8D4F0; }
  .tag-mündlich { background: #D5F5E8; color: #1A7A50; border: 1px solid #8AD5B8; }
  .tag-sonstig { background: #FFF0D5; color: #A86010; border: 1px solid #F0C878; }

  /* ── Overview Expand ── */
  .schueler-expand { cursor: pointer; }
  .schueler-expand:hover { background: var(--yellow-light) !important; }
  .schueler-details { display: none; }
  .schueler-details.open { display: table-row; }
  .schueler-detail-inner { background: var(--bg2); padding: 12px 16px; border-radius: 6px; }

  /* ── Trend Arrow ── */
  .trend-up { color: var(--g1); font-weight: 700; }
  .trend-down { color: var(--g5); font-weight: 700; }
  .trend-stable { color: var(--text3); }

  /* ── Zeugnis Notes ── */
  .zeugnis-note-input { width: 100%; min-width: 180px; min-height: 40px; font-size: 12px; resize: vertical; }

  /* ── Welcome Screen ── */
  .welcome-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: 20px;
  }
  .welcome-icon { font-size: 64px; margin-bottom: 20px; }
  .welcome-title { font-size: 28px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
  .welcome-sub { font-size: 15px; color: var(--text2); margin-bottom: 32px; max-width: 480px; }
  .welcome-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    max-width: 600px;
    margin-bottom: 32px;
  }
  .welcome-feature {
    background: rgba(255,255,255,0.80);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: none;
    border-radius: var(--radius-lg);
    padding: 16px;
    font-size: 13px;
    color: var(--text2);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.2s;
  }
  .welcome-feature:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
  .welcome-feature-icon { font-size: 24px; margin-bottom: 6px; }

  /* ── Info Tooltip ── */
  .tooltip-wrap { position: relative; display: inline-block; }
  .tooltip-btn {
    width: 18px; height: 18px; border-radius: 50%;
    background: var(--bg3); border: 1px solid var(--border);
    font-size: 11px; cursor: pointer; display: inline-flex;
    align-items: center; justify-content: center; color: var(--text2);
    font-weight: 600;
  }
  .tooltip-btn:hover { background: var(--accent-light); }

  /* ── Scrollbar ── */
  ::-webkit-scrollbar { width: 6px; height: 6px; }
  ::-webkit-scrollbar-track { background: var(--bg2); }
  ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
  ::-webkit-scrollbar-thumb:hover { background: var(--accent); }

  /* ── Responsive ── */
  @media (max-width: 600px) {
    .tab-btn { padding: 10px 12px; font-size: 12px; }
    .app-header { padding: 0 16px; }
  }
  @media (max-width: 768px) {
    .sidebar { width: 52px !important; }
    .sidebar .sb-label { opacity: 0 !important; pointer-events: none !important; }
    .sidebar .sidebar-logo { opacity: 0 !important; }
    #authContent { padding: 20px 16px !important; }
  }

  .badge {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent-dark);
    border-radius: 20px;
    padding: 1px 8px;
    font-size: 11px;
    font-weight: 600;
  }

  .fehlzeit-summary-table th, .fehlzeit-summary-table td { text-align: center; }
  .fehlzeit-summary-table td:first-child, .fehlzeit-summary-table th:first-child { text-align: left; position: sticky; left: 0; background: var(--bg2); z-index: 2; }
  .zs-badge { display:inline-flex; align-items:center; gap:3px; font-size:11px; font-weight:700; color:#b45309; background:#fef3c7; border:1px solid #fcd34d; border-radius:8px; padding:2px 7px; white-space:nowrap; }
  [data-theme="dark"] .zs-badge { color:#fcd34d; background:#3b2a00; border-color:#b45309; }
  .zs-btn { font-size:11px; font-weight:700; padding:3px 9px; border:1px solid #fcd34d; border-radius:6px; background:#fef9ee; color:#b45309; cursor:pointer; white-space:nowrap; transition:background .15s; }
  .zs-btn:hover { background:#fef3c7; }
  [data-theme="dark"] .zs-btn { background:#2a1f00; border-color:#b45309; color:#fcd34d; }
  [data-theme="dark"] .zs-btn:hover { background:#3b2a00; }

  hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
  .text-muted { color: var(--text3); font-size: 12px; }
  .mt-8 { margin-top: 8px; }
  .mt-16 { margin-top: 16px; }
  .flex { display: flex; }
  .gap-8 { gap: 8px; }
  .items-center { align-items: center; }

  .assessment-header {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    white-space: nowrap;
    font-size: 11px;
    font-weight: 600;
  }
  .assessment-meta-vert {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    white-space: nowrap;
    font-size: 10px;
    opacity: 0.55;
    font-weight: 400;
  }
  .assessment-header.kat-schriftlich { color: #1A5FA8; }
  .assessment-header.kat-mündlich   { color: #1A7A50; }
  .assessment-header.kat-sonstig    { color: #A86010; }
  .nw-meta { opacity: 0.55; font-weight: 400; }
  .assessment-col { min-width: 96px; max-width: 130px; vertical-align: top; position: relative; padding: 0 !important; height: 1px; /* ermöglicht height:100% im Kind */ }
  .cell-wrapper { display: flex; flex-direction: column; height: 100%; min-height: 60px; }
  .cell-content { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; padding: 5px 4px 3px; }

  /* D – gefaltete Ecke (folded corner sticker) */
  .diff-corner {
    position: absolute; top: 0; right: 0; width: 0; height: 0;
    border-style: solid; border-width: 0 22px 22px 0;
    border-color: transparent #C8C0D8 transparent transparent;
    cursor: pointer; z-index: 2; transition: border-color .15s;
  }
  .diff-corner.active { border-color: transparent #C0392B transparent transparent; }
  .diff-corner-label {
    position: absolute; top: 2px; right: 2px;
    font-size: 8px; font-weight: 800; line-height: 1;
    color: rgba(80,60,100,0.55); pointer-events: none; z-index: 3;
  }
  .diff-corner.active ~ .diff-corner-label { color: rgba(255,255,255,0.9); }
  [data-theme="dark"] .diff-corner { border-color: transparent #5A5070 transparent transparent; }
  [data-theme="dark"] .diff-corner.active { border-color: transparent #C0392B transparent transparent; }

  /* fehlt-Bar */
  .fehlt-bar {
    display: flex; align-items: center; justify-content: center;
    width: 100%; padding: 3px 0; cursor: pointer;
    font-size: 10px; font-weight: 400; letter-spacing: .03em;
    color: var(--text3); opacity: 0.45; background: transparent;
    border: none; border-top: 1px solid var(--border);
    transition: background .15s, color .15s, opacity .15s; user-select: none;
  }
  .fehlt-bar:hover { background: rgba(192,57,43,0.08); color: #C0392B; opacity: 1; }
  .fehlt-bar.active { background: #FDDEDE; color: #C0392B; border-top-color: #F5B8B8; font-weight: 700; opacity: 1; }
  [data-theme="dark"] .fehlt-bar.active { background: #3D1010; color: #E87575; border-top-color: #5A2020; }

  /* Zell-Content dimmen wenn fehlt */
  .assessment-col.fehlt-active .cell-content { opacity: 0.28; pointer-events: none; }

  /* Notiz-Icon in Leistungszellen */
  .notiz-btn {
    position: absolute; bottom: 22px; right: 3px;
    width: 20px; height: 20px;
    border: none; background: none; padding: 0;
    font-size: 11px; line-height: 1; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--text3); opacity: 0; transition: opacity .15s;
    z-index: 3; border-radius: 3px;
  }
  /* vergrößertes Tap-Target für iPad (mind. 44×44 px) */
  .notiz-btn::before { content: ''; position: absolute; inset: -12px; }
  .assessment-col:hover .notiz-btn, .notiz-btn.has-notiz { opacity: 1; }
  .notiz-btn.has-notiz { color: var(--accent); }
  .assessment-col.fehlt-active .notiz-btn { pointer-events: none; opacity: 0; }

  /* ── Leistungstabelle: sticky Header + Zebra + Hover + Gitter ── */
  #grade-table-wrap { overflow-x: auto; overflow-y: auto; max-height: calc(100vh - 310px); -webkit-overflow-scrolling: touch; overscroll-behavior: contain; }
  #grade-table { border-collapse: collapse; }
  #grade-table th, #grade-table td { border: 1px solid #e0e0e0; padding: 3px 5px; }
  #grade-table thead th { position: sticky; top: 0; z-index: 15; background: var(--bg2); border-bottom: 2px solid #c8c8c8; padding: 4px 6px; }
  #grade-table thead th:first-child { z-index: 20; }
  #grade-table tbody tr { line-height: 1.3; }
  #grade-table tbody tr td { padding: 2px 5px; }
  #grade-table tbody tr:nth-child(even) td { background: var(--bg2); }
  #grade-table tbody tr:nth-child(odd) td { background: var(--bg); }
  #grade-table tbody tr:nth-child(even) td:first-child { background: var(--bg2); position: sticky; left: 0; z-index: 5; }
  #grade-table tbody tr:nth-child(odd)  td:first-child { background: var(--bg); position: sticky; left: 0; z-index: 5; }
  #grade-table tbody tr:hover td { background: #E0D8F8 !important; }
  #grade-table tbody tr td:focus-within { background: #FFF6D0 !important; }
  [data-theme="dark"] #grade-table tbody tr:hover td { background: rgba(155,133,214,0.13) !important; }
  [data-theme="dark"] #grade-table tbody tr td:focus-within { background: #2E280A !important; }
  [data-theme="dark"] #grade-table th, [data-theme="dark"] #grade-table td { border-color: #3a3a4a; }

  .fach-chip {
    padding: 5px 14px; border-radius: var(--radius-pill); border: 1px solid var(--border);
    cursor: pointer; font-size: 12px; font-weight: 600;
    background: var(--bg3); color: var(--text2);
    transition: all 0.2s cubic-bezier(0.34,1.56,0.64,1);
  }
  .fach-chip:hover { background: var(--accent-light); transform: scale(1.03); }
  .fach-chip.active {
    background: var(--accent); color: #fff; border-color: var(--accent);
    transform: scale(1.04); box-shadow: 0 2px 10px var(--accent-glow);
  }

  .kat-chip {
    padding: 5px 14px; border-radius: var(--radius-pill); border: 1px solid var(--border);
    cursor: pointer; font-size: 12px; font-weight: 600;
    background: var(--bg3); color: var(--text2);
    transition: all 0.2s cubic-bezier(0.34,1.56,0.64,1);
  }
  .kat-chip:hover { opacity: 0.85; transform: scale(1.03); }
  .kat-chip.ks.active { background: #1A5FA8; color: #fff; border-color: #1A5FA8; transform: scale(1.04); box-shadow: 0 2px 10px rgba(26,95,168,0.35); }
  .kat-chip.km.active { background: #1A7A50; color: #fff; border-color: #1A7A50; transform: scale(1.04); box-shadow: 0 2px 10px rgba(26,122,80,0.35); }
  .kat-chip.kx.active { background: #A86010; color: #fff; border-color: #A86010; transform: scale(1.04); box-shadow: 0 2px 10px rgba(168,96,16,0.35); }
  .kat-chip.ka.active { background: var(--accent); color: #fff; border-color: var(--accent); transform: scale(1.04); box-shadow: 0 2px 10px var(--accent-glow); }

  .nw-legende {
    display: flex; gap: 16px; align-items: center;
    padding: 4px 0; font-size: 11px; color: var(--text3);
  }
  .nw-legende-item { display: flex; align-items: center; gap: 4px; font-weight: 600; }
  .nw-legende-item.ls { color: #1A5FA8; }
  .nw-legende-item.lm { color: #1A7A50; }
  .nw-legende-item.lx { color: #A86010; }

  /* ── Dark Theme ── */
  [data-theme="dark"] {
    --accent: #B09EE8; --accent-light: #3D3560; --accent-dark: #D4C8FF;
    --yellow: #F2C832; --yellow-dark: #F5D568; --yellow-light: #332800;
    --bg: #16131F; --bg2: #1E1A2E; --bg3: #2A2540;
    --text: #EAE6FF; --text2: #B0A8D8; --text3: #706898;
    --border: #3A3558; --white: #1E1A2E;
    --shadow: 0 2px 12px rgba(0,0,0,0.40);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.50);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.60);
    --accent-gradient: linear-gradient(135deg, #B09EE8 0%, #C8BAFF 100%);
    --accent-glow: rgba(176,158,232,0.40);
    --g1: #5BC870; --g1-bg: #0A2810; --g1-border: #1A4820;
    --g2: #90C840; --g2-bg: #182808; --g2-border: #284818;
    --g3: #E0A830; --g3-bg: #281E00; --g3-border: #483800;
    --g4: #E07830; --g4-bg: #281400; --g4-border: #482400;
    --g5: #E04830; --g5-bg: #280800; --g5-border: #481000;
    --g6: #E83030; --g6-bg: #280000; --g6-border: #480808;
  }
  [data-theme="dark"] body {
    background: linear-gradient(160deg, #16131F 0%, #1E1A2E 50%, #1A1630 100%);
    background-attachment: fixed;
    color: var(--text);
  }
  [data-theme="dark"] .app-header {
    background: rgba(22,19,31,0.78);
    border-bottom-color: rgba(176,158,232,0.15);
  }
  [data-theme="dark"] .tabs-bar { background: transparent; }
  [data-theme="dark"] .klasse-card { background: rgba(30,26,46,0.80); }
  [data-theme="dark"] .card { background: rgba(30,26,46,0.80); }
  [data-theme="dark"] .selector-bar { background: rgba(30,26,46,0.80); }
  [data-theme="dark"] .modal { background: var(--bg2); }
  [data-theme="dark"] input, [data-theme="dark"] select, [data-theme="dark"] textarea {
    background: var(--bg3); color: var(--text); border-color: var(--border);
  }
  [data-theme="dark"] .tag-schriftlich { background: #0D2A45; color: #7AC0EE; border-color: #1A4870; }
  [data-theme="dark"] .tag-mündlich { background: #0A2A1A; color: #60C890; border-color: #185030; }
  [data-theme="dark"] .tag-sonstig { background: #2A1A00; color: #E0A030; border-color: #503000; }
  [data-theme="dark"] .cal-day.holiday { background: #2A1028; }
  [data-theme="dark"] .cal-day.has-entries { background: #282000; border-color: #484000; }
  [data-theme="dark"] .grade-chip { filter: brightness(0.9); }
  [data-theme="dark"] .klasse-card-header {
    background: linear-gradient(135deg, #4A3888 0%, #32265E 100%);
  }
  [data-theme="dark"] .table-wrap { background: rgba(30,26,46,0.95); }
  .cal-mini td, .cal-mini th { border: none !important; background: transparent !important; }
  .cal-day.ferien { background: rgba(200,200,200,0.25) !important; color: var(--text3) !important; text-decoration: line-through; cursor: default !important; }
  [data-theme="dark"] tbody tr:nth-child(even) { background: rgba(255,255,255,0.03); }
  [data-theme="dark"] tbody td { border-color: var(--border); }
  [data-theme="dark"] thead th { background: var(--bg3); }

  /* ── Rapsgelb Theme ── */
  [data-theme="rapsgelb"] {
    --accent: #C49000; --accent-light: #FFF3CC; --accent-dark: #7A5800;
    --yellow: #F2C832; --yellow-dark: #C49000; --yellow-light: #FFF8E0;
    --bg: #FAF9FF; --bg2: #F0ECFF; --bg3: #FFF0A8;
    --text: #2D2547; --text2: #5A4000; --text3: #9A7820;
    --border: #E8D060; --white: #FFFFFF;
    --shadow: 0 2px 12px rgba(180,140,0,0.12);
    --shadow-md: 0 4px 20px rgba(180,140,0,0.18);
    --shadow-lg: 0 8px 40px rgba(180,140,0,0.26);
    --accent-gradient: linear-gradient(135deg, #E0A800 0%, #F2C832 100%);
    --accent-glow: rgba(196,144,0,0.35);
  }
  [data-theme="rapsgelb"] body {
    background: linear-gradient(160deg, #FAF9FF 0%, #FFF8E0 60%, #FFF3CC 100%);
    background-attachment: fixed;
  }
  [data-theme="rapsgelb"] .tab-btn.active { color: #7A5800; }
  [data-theme="rapsgelb"] .klasse-card-header {
    background: linear-gradient(135deg, #F2C832 0%, #C49000 100%);
    color: #2A1E00;
  }
  [data-theme="rapsgelb"] .assessment-header.kat-schriftlich { color: #1A5FA8; }
  [data-theme="rapsgelb"] .assessment-header.kat-mündlich { color: #1A6A40; }
  [data-theme="rapsgelb"] .assessment-header.kat-sonstig { color: #A86010; }
  [data-theme="rapsgelb"] .cal-day.holiday { background: #FFE8B0; border-color: #F2C832; }

  /* ── Theme Switcher ── */
  .theme-switcher { display: flex; gap: 4px; margin-left: auto; }
  .theme-btn {
    width: 30px; height: 30px; border-radius: 50%; border: 2px solid transparent;
    cursor: pointer; font-size: 15px; display: flex; align-items: center;
    justify-content: center; background: var(--bg2); transition: all 0.15s;
    touch-action: manipulation;
  }
  .theme-btn:hover { transform: scale(1.15); }
  .theme-btn.active { border-color: var(--accent-dark); box-shadow: 0 0 0 2px var(--accent-light); }

  /* Update-Banner */
  #update-banner {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(20,18,30,0.90);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: #fff;
    padding: 14px 22px;
    border-radius: var(--radius-pill);
    box-shadow: 0 8px 32px rgba(0,0,0,0.35);
    font-size: 14px;
    z-index: 9999;
    align-items: center;
    gap: 14px;
    white-space: nowrap;
  }
  #update-banner.visible { display: flex; }
  #update-banner button {
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
  }
  #update-banner button:hover { background: #7B6DC0; }
  #update-banner .dismiss {
    background: transparent;
    color: #aaa;
    padding: 4px 6px;
    font-size: 16px;
  }
  #update-banner .dismiss:hover { color: #fff; background: transparent; }

  /* ── Kompetenzraster ── */
  .komp-stufe-btn {
    padding: 2px 7px; border-radius: var(--radius-pill);
    border: 1px solid var(--border); background: var(--bg2);
    cursor: pointer; font-size: 11px; font-weight: 600; color: var(--text2);
    transition: all 0.15s; white-space: nowrap;
    touch-action: manipulation; -webkit-tap-highlight-color: transparent;
  }
  .komp-stufe-btn:hover { background: var(--accent-light); }
  .komp-stufe-btn.active {
    background: var(--accent); color: #fff; border-color: var(--accent);
    box-shadow: 0 1px 6px var(--accent-glow);
  }
  .komp-avg-chip {
    display: inline-block; padding: 3px 10px; border-radius: var(--radius-pill);
    font-size: 11px; font-weight: 700; background: var(--bg3); color: var(--text2);
    white-space: nowrap;
  }
  .komp-aussage-chip {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: var(--radius-pill);
    background: var(--accent-light); color: var(--accent-dark);
    border: 1px solid var(--border); font-size: 12px; font-weight: 600;
    max-width: 100%; margin: 2px 4px 2px 0;
  }
  .komp-aussage-chip .rm { cursor: pointer; opacity: 0.6; font-size: 13px; line-height: 1; }
  .komp-aussage-chip .rm:hover { opacity: 1; }
  .komp-nw-block { margin-bottom: 24px; }
  .komp-nw-header {
    font-size: 14px; font-weight: 700; color: var(--text);
    padding: 8px 12px; background: var(--bg2); border-radius: var(--radius) var(--radius) 0 0;
    border-bottom: 2px solid var(--accent-light);
  }
  .komp-table { width: 100%; border-collapse: collapse; font-size: 12px; }
  .komp-table th {
    background: var(--bg2); padding: 5px 6px; text-align: left;
    font-weight: 600; font-size: 11px; color: var(--text2);
    border-bottom: 1px solid var(--border); white-space: nowrap;
  }
  .komp-table th.aussage-first {
    position: sticky; left: 0; z-index: 4; background: var(--bg2);
    min-width: 160px; max-width: 240px;
    border-right: 2px solid var(--border);
  }
  .komp-table td { padding: 4px 5px; border-bottom: 1px solid var(--border); border-left: 1px solid var(--border); vertical-align: middle; }
  .komp-table th:not(.aussage-first) { border-left: 1px solid var(--border); }
  .komp-table tr:last-child td { border-bottom: none; }
  .komp-table tr:nth-child(even) td { background: rgba(0,0,0,0.02); }
  .komp-table td.aussage-first {
    position: sticky; left: 0; z-index: 3; background: var(--white);
    min-width: 160px; max-width: 240px; font-size: 12px; line-height: 1.4;
    border-left: none; border-right: 2px solid var(--border);
  }
  .komp-table tr:nth-child(even) td.aussage-first { background: var(--bg); }
  .komp-table tr.avg-row td.aussage-first { background: var(--bg2); font-weight: 700; }
  .komp-stufen-cell { display: flex; gap: 3px; flex-wrap: wrap; }

  /* ── Kompetenz aufklappbare Detail-Zeilen ── */
  .komp-toggle-btn {
    background: var(--bg2); border: 1px solid var(--border); cursor: pointer;
    color: var(--text2); font-size: 11px; padding: 3px 6px;
    border-radius: 4px; line-height: 1.2; flex-shrink: 0;
    transition: color 0.15s, background 0.15s, border-color 0.15s;
    vertical-align: middle; margin-right: 5px; font-weight: 700;
    min-width: 22px; min-height: 22px; display: inline-flex;
    align-items: center; justify-content: center;
  }
  .komp-toggle-btn:hover { color: var(--accent-dark); background: var(--accent-light); border-color: var(--accent); }
  .komp-toggle-btn.open { color: var(--accent-dark); background: var(--accent-light); border-color: var(--accent); }
  /* Zelle die den Toggle enthält: volle Breite klickbar */
  .komp-table td.aussage-toggle {
    cursor: pointer;
  }
  .komp-table td.aussage-toggle:hover { background: var(--yellow-light) !important; }
  /* Detail-Zeilen (direkt in Haupttabelle, kein Nesting) */
  .komp-detail-child { display: none; }
  .komp-detail-child td {
    background: var(--bg2) !important;
    border-bottom: 1px solid var(--border);
    padding: 3px 4px; vertical-align: middle;
  }
  .komp-detail-child td:first-child {
    padding-left: 30px; font-size: 11px;
    color: var(--text2); font-style: italic;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    border-left: none;
  }
  .komp-detail-child td:not(:first-child) {
    text-align: center; border-left: 1px solid var(--border);
  }
  .komp-detail-child:last-of-type td { border-bottom: 2px solid var(--border); }


  /* ── Layout ──────────────────────────────────────────────── */
  body { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
  .app-body { display: flex; flex: 1; overflow: hidden; }
  .main-content { flex: 1; overflow-y: auto; overflow-x: hidden; }
  .tab-content { display: none; padding: 16px 12px; max-width: 1400px; margin: 0 auto; }
  .tab-content.active { display: block; }

  /* ── Sidebar ────────────────────────────────────────────── */
  .sidebar {
    width: 210px; flex-shrink: 0;
    background: var(--bg2);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    transition: width 0.2s ease;
    overflow: hidden;
    z-index: 50;
  }
  .sidebar.collapsed { width: 52px; }
  .sidebar-toggle {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 14px; cursor: pointer;
    border: none; background: none;
    color: var(--text2); font-size: 18px; font-weight: 700;
    white-space: nowrap; width: 100%;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
  }
  .sidebar-toggle:hover { background: var(--bg3); }
  .sidebar-toggle .sidebar-logo { font-size: 13px; font-weight: 700; color: var(--accent-dark); }
  .sidebar nav { flex: 1; padding: 8px 6px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
  .sidebar-divider { height: 1px; background: var(--border); margin: 6px 4px; }
  .sidebar-btn {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 10px; border: none; background: none;
    cursor: pointer; border-radius: 10px; width: 100%;
    font-size: 13px; font-weight: 500; color: var(--text2);
    white-space: nowrap; text-align: left;
    transition: background 0.15s, color 0.15s;
  }
  .sidebar-btn:hover { background: var(--bg3); color: var(--text); }
  .sidebar-btn.active { background: var(--accent-light); color: var(--accent-dark); font-weight: 700; }
  .sidebar-btn .sb-icon { font-size: 16px; flex-shrink: 0; width: 22px; text-align: center; }
  .sidebar-btn .sb-label { transition: opacity 0.15s; }
  .sidebar.collapsed .sb-label { opacity: 0; pointer-events: none; }
  .sidebar.collapsed .sidebar-logo { opacity: 0; }

  /* ── Dashboard ────────────────────────────────────────── */
  .dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  @media (max-width: 900px) { .dash-grid { grid-template-columns: 1fr; } }
  .dash-section-title { font-size: 13px; font-weight: 700; color: var(--text2); margin-bottom: 10px; text-transform: uppercase; letter-spacing: .04em; }
  .dash-class-card {
    background: var(--white); border-radius: var(--radius); border: 1px solid var(--border);
    padding: 14px 16px; cursor: pointer; transition: box-shadow 0.15s, transform 0.1s;
  }
  .dash-class-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
  .dash-offene-row { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 12px; }
  .dash-offene-row:last-child { border-bottom: none; }
  .dash-activity-row { display: flex; align-items: center; gap: 8px; padding: 5px 0; border-bottom: 1px solid var(--border); font-size: 12px; }
  .dash-activity-row:last-child { border-bottom: none; }

  /* Dark mode sidebar */
  [data-theme="dark"] .sidebar { background: var(--bg2); border-color: var(--border); }
  [data-theme="dark"] .sidebar-btn.active { background: rgba(155,133,214,0.15); }

  /* Nav layout toggle */
  body:not([data-nav="tabs"]) .tabs-bar { display: none !important; }
  body[data-nav="tabs"] #appSidebar { display: none !important; }


  /* ── Archiv-Banner ─────────────────────────────────────── */
  .archiv-banner {
    background: linear-gradient(90deg, #FFF3CD 0%, #FFEEBA 100%);
    border: 1.5px solid #F0C040;
    border-radius: var(--radius);
    padding: 10px 16px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: #7A5800;
  }
  .archiv-banner .archiv-icon { font-size: 18px; }
  .archiv-banner .archiv-text { flex: 1; font-weight: 600; }
  .archiv-banner .archiv-text small { font-weight: 400; color: #9A7000; display: block; font-size: 11px; }
  [data-theme="dark"] .archiv-banner { background: #3D2E00; border-color: #7A5800; color: #F0C040; }
  [data-theme="dark"] .archiv-banner .archiv-text small { color: #B89040; }

  /* ── Archiv-Tab ────────────────────────────────────────────── */
  #tab-archiv { background: #F7F3EC; }
  [data-theme="dark"] #tab-archiv { background: #1E1A14; }

  .archiv-tab-header {
    background: linear-gradient(135deg, #8B7355 0%, #6B5335 100%);
    color: #FFF8EE;
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 20px;
  }
  .archiv-tab-header h2 { margin: 0 0 4px; font-size: 20px; }
  .archiv-tab-header p  { margin: 0; font-size: 12px; opacity: 0.8; }

  .archiv-sj-group { margin-bottom: 24px; }
  .archiv-sj-label {
    font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
    color: #8B7355; border-bottom: 2px solid #D4C4A0; padding-bottom: 6px; margin-bottom: 12px;
  }
  [data-theme="dark"] .archiv-sj-label { color: #C4A87A; border-bottom-color: #5A4A30; }

  .archiv-klasse-card {
    background: #FFFDF8;
    border: 1px solid #D4C4A0;
    border-radius: var(--radius);
    margin-bottom: 10px;
    overflow: hidden;
  }
  [data-theme="dark"] .archiv-klasse-card { background: #2A2318; border-color: #4A3A28; }

  .archiv-klasse-header {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px; cursor: pointer;
    background: #F0EBE0;
    transition: background .15s;
  }
  .archiv-klasse-header:hover { background: #E8E0D0; }
  [data-theme="dark"] .archiv-klasse-header { background: #332B1E; }
  [data-theme="dark"] .archiv-klasse-header:hover { background: #3D3224; }

  .archiv-klasse-body { padding: 12px 14px; border-top: 1px solid #D4C4A0; }
  [data-theme="dark"] .archiv-klasse-body { border-top-color: #4A3A28; }

  .archiv-readonly-badge {
    font-size: 10px; font-weight: 700; letter-spacing: .04em;
    background: #D4C4A0; color: #6B5335; padding: 2px 7px;
    border-radius: 99px; white-space: nowrap;
  }

  /* ── Print ──────────────────────────────────────────────────── */
  @media print {
    @page { margin: 1.2cm; }
    .app-header, .tabs-bar, .no-print,
    .selector-bar, .fach-chip, .btn, button,
    .komp-sidebar, .modal-overlay,
    .sidebar, #bottomTabBar, #btbMoreOverlay { display: none !important; }
    body { background: white !important; color: black !important; font-size: 11px; }
    .app-body { display: block !important; }
    .tab-content { display: block !important; padding: 0 !important; max-width: none !important; width: 100% !important; margin: 0 !important; }
    .card { box-shadow: none !important; border: 1px solid #ccc !important; background: white !important; }
    .table-wrap { overflow: visible !important; }
    table { width: 100%; border-collapse: collapse; page-break-inside: auto; }
    th, td { border: 1px solid #ccc !important; padding: 3px 5px !important; background: white !important; color: black !important; }
    tr { page-break-inside: avoid; }
    .grade-chip { border: 1px solid #999 !important; background: #eee !important; color: black !important; box-shadow: none !important; }
    .komp-stufe-btn { border: 1px solid #bbb !important; background: white !important; color: black !important; box-shadow: none !important; min-width: 18px !important; }
    .komp-stufe-btn.active { background: #555 !important; color: white !important; }
    .komp-avg-chip { border: 1px solid #999 !important; background: #eee !important; color: black !important; }
    .tag { border: 1px solid #999 !important; background: #eee !important; color: black !important; }
    .section-title { font-size: 15px !important; margin-bottom: 8px; color: black !important; }
    .schueler-details { display: table-row !important; }
    .schueler-detail-inner { display: block !important; }
    .komp-nw-block { page-break-inside: avoid; margin-bottom: 12px; }
    .komp-table th.aussage-first, .komp-table td.aussage-first { position: static !important; }
    .print-only { display: block !important; }

    /* ── Wochenplan-Druck ─────────────────────────── */
    .woche-fach-ghost { display: none !important; }
    .woche-klasse-card { page-break-inside: avoid; margin-bottom: 20px; border: 1.5px solid #333 !important; }
    .woche-klasse-card table { table-layout: fixed; }
    .woche-klasse-card th {
      background: #e8e8e8 !important; color: black !important;
      font-size: 11px !important; padding: 5px 6px !important;
      border: 1px solid #888 !important; text-align: left;
    }
    .woche-klasse-card td {
      background: white !important; vertical-align: top;
      padding: 5px 6px !important; border: 1px solid #bbb !important;
      width: 20%;
    }
    .woche-klasse-header {
      background: #333 !important; color: white !important;
      padding: 5px 10px !important; font-size: 13px !important;
    }
    .woche-fach-block {
      margin-bottom: 4px !important; padding: 4px 6px !important;
      border-left-width: 3px !important; border-left-style: solid !important;
      background: #f8f8f8 !important;
      print-color-adjust: exact; -webkit-print-color-adjust: exact;
    }
    .woche-fach-block .fach-name { font-size: 11px !important; font-weight: 700 !important; color: black !important; }
    .woche-fach-block .fach-time { font-size: 9px !important; color: #444 !important; }
    .woche-fach-block .fach-note { font-size: 9px !important; color: #333 !important; border-top: 1px solid #ddd !important; }

    /* ── Wochenplan-Druck: nur #tab-unterricht anzeigen ── */
    body.print-woche .tab-content { display: none !important; }
    body.print-woche #tab-unterricht { display: block !important; }
    body.print-woche .no-print { display: none !important; }

    /* ── Schülerprofil-Druck ── */
    body.print-profil .tab-content { display: none !important; }
    body.print-profil #profilPrintArea { display: block !important; }
  }

  #undoToast { position:fixed; bottom:24px; left:50%; transform:translateX(-50%); background:#333; color:#fff; padding:10px 20px; border-radius:24px; font-size:13px; display:none; gap:12px; align-items:center; z-index:99999; box-shadow:0 4px 16px rgba(0,0,0,.3); white-space:nowrap; }
  #undoToast .undo-btn { background:var(--accent); border:none; color:#fff; padding:4px 10px; border-radius:12px; cursor:pointer; font-size:12px; font-weight:700; }
  /* Nuboli Toast-Benachrichtigungen */
  #nuboliToastContainer { position:fixed; top:20px; right:20px; z-index:999999; display:flex; flex-direction:column; gap:8px; pointer-events:none; }
  .nuboli-toast { display:flex; align-items:flex-start; gap:10px; padding:11px 14px; border-radius:10px; font-size:13px; line-height:1.4; max-width:320px; box-shadow:0 4px 20px rgba(0,0,0,.18); pointer-events:auto; opacity:0; transform:translateX(20px); transition:opacity .22s ease, transform .22s ease; }
  .nuboli-toast.visible { opacity:1; transform:translateX(0); }
  .nuboli-toast.hiding { opacity:0; transform:translateX(20px); }
  .nuboli-toast.success { background:#1E7D3A; color:#fff; }
  .nuboli-toast.error   { background:#C0392B; color:#fff; }
  .nuboli-toast .nt-icon { font-size:15px; flex-shrink:0; margin-top:1px; }
  .nuboli-toast .nt-msg  { flex:1; }
  .nuboli-toast .nt-close { background:none; border:none; color:rgba(255,255,255,.7); cursor:pointer; font-size:16px; line-height:1; padding:0; flex-shrink:0; margin-top:-1px; }
  .nuboli-toast .nt-close:hover { color:#fff; }
  [data-theme="dark"] .nuboli-toast.success { background:#1A6B30; }
  [data-theme="dark"] .nuboli-toast.error   { background:#9E2A1E; }
  @keyframes spin { to { transform: rotate(360deg); } }
  .spinner { width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 0.8s linear infinite;margin:0 auto; }
  #breadcrumb { font-size:12px; color:var(--text3); transition:color 0.2s; }

  /* ── Onboarding-Tour ── */
  .tour-spotlight {
    position: fixed; border-radius: 14px; pointer-events: none; z-index: 50001;
    box-shadow: 0 0 0 9999px rgba(30,22,60,0.58);
    transition: top .35s cubic-bezier(.4,0,.2,1), left .35s cubic-bezier(.4,0,.2,1),
                width .35s cubic-bezier(.4,0,.2,1), height .35s cubic-bezier(.4,0,.2,1);
    outline: 3px solid rgba(155,133,214,0.7);
  }
  .tour-box {
    position: fixed; z-index: 50002; background: var(--white); color: var(--text);
    border-radius: var(--radius-lg); padding: 24px 22px 18px;
    box-shadow: 0 12px 48px rgba(30,22,60,0.28), 0 2px 8px rgba(0,0,0,0.12);
    max-width: 320px; width: calc(100vw - 32px); pointer-events: all;
    animation: tourFadeIn .22s ease;
  }
  @keyframes tourFadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:none; } }
  .tour-box.tour-center {
    top: 50%; left: 50%; transform: translate(-50%,-50%);
    max-width: 420px;
  }
  .tour-arrow { position: absolute; width: 12px; height: 12px; background: var(--white); }
  .tour-arrow-top    { top: -6px;   left: 50%; transform: translateX(-50%) rotate(45deg);
    border-left: 1px solid var(--border); border-top: 1px solid var(--border); }
  .tour-arrow-bottom { bottom: -6px; left: 50%; transform: translateX(-50%) rotate(-135deg);
    border-left: 1px solid var(--border); border-top: 1px solid var(--border); }
  .tour-arrow-left   { left: -6px;  top: 50%; transform: translateY(-50%) rotate(-45deg);
    border-left: 1px solid var(--border); border-top: 1px solid var(--border); }
  .tour-arrow-right  { right: -6px; top: 50%; transform: translateY(-50%) rotate(135deg);
    border-left: 1px solid var(--border); border-top: 1px solid var(--border); }
  .tour-progress { display:flex; gap:5px; margin-bottom:14px; }
  .tour-dot { width:7px; height:7px; border-radius:50%; background:var(--border); transition:background .2s; flex-shrink:0; }
  .tour-dot.active { background: var(--accent); }
  .tour-dot.done   { background: var(--accent-dark); }
  .tour-title { font-size:16px; font-weight:700; margin:0 0 8px; color:var(--text); }
  .tour-text  { font-size:13px; line-height:1.6; color:var(--text2); margin:0 0 18px; }
  .tour-actions { display:flex; gap:8px; justify-content:flex-end; align-items:center; }
  .tour-btn-primary { padding:9px 20px; background:var(--accent); color:#fff; border:none;
    border-radius:var(--radius); font-size:13px; font-weight:600; cursor:pointer; transition:filter .15s; }
  .tour-btn-primary:hover { filter:brightness(1.08); }
  .tour-btn-skip { padding:9px 14px; background:none; color:var(--text3); border:none;
    font-size:12px; cursor:pointer; border-radius:var(--radius); transition:color .15s; margin-right:auto; }
  .tour-btn-skip:hover { color:var(--text); }
  @media (max-width: 600px) {
    .tour-box { padding:18px 16px 14px; }
    .tour-box.tour-center { width:calc(100vw - 24px); }
  }

  /* ── iPad / Touch-Optimierung ─────────────────────────────────── */

  /* FIX: tab-content und Modal-Scrolling */
  .tab-content { -webkit-overflow-scrolling: touch; }
  .modal-backdrop, .modal { -webkit-overflow-scrolling: touch; overscroll-behavior: contain; }

  /* FIX: Modal auf iPad */
  @media (max-width: 1024px) {
    .modal {
      max-height: 85vh;
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;
      margin: env(safe-area-inset-top, 10px) auto env(safe-area-inset-bottom, 10px);
    }
  }

  /* FIX: Hausaufgaben-Tabelle horizontal scrollbar */
  #ha-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  #ha-table-wrap table { min-width: max-content; }

  /* FIX: GPU-Compositing für Performance */
  #grade-table, .fehlzeit-summary-table { will-change: transform; }
  #grade-table-wrap, .table-wrap { transform: translateZ(0); }

  @media (pointer: coarse) {
    /* Kein iOS-Zoom beim Tippen in Felder (überschreibt bestehende 15px-Regel) */
    input, textarea, select { font-size: max(16px, 1em) !important; }

    /* Touch-Targets: alle interaktiven Elemente mind. 44×44px */
    button, .btn, .tab-btn, .sidebar-btn, .kat-chip,
    input[type="checkbox"], input[type="radio"],
    .modal-close, .tooltip-btn, .btn-icon {
      min-height: 44px;
      min-width: 44px;
    }

    /* Chips und kleine Buttons die inline sind: nur Padding erhöhen */
    .kat-chip { padding: 8px 14px !important; }
    .btn-sm { min-height: 36px; padding: 6px 12px !important; }

    /* Tab-Bar: größere Tap-Fläche */
    .tab-btn { padding: 12px 14px !important; font-size: 13px; }

    /* Sidebar-Buttons */
    .sidebar-btn { min-height: 48px; padding: 12px 14px !important; }

    /* Checkboxen größer — ABER: Tabellen-Checkboxen bleiben klein (16px) */
    input[type="checkbox"] { width: 22px !important; height: 22px !important; }
    /* Tabellen-Checkboxen reduzieren */
    table input[type="checkbox"],
    #grade-table input[type="checkbox"],
    .komp-table input[type="checkbox"],
    .fehlzeit-summary-table input[type="checkbox"],
    #ha-table input[type="checkbox"] {
      width: 16px !important;
      height: 16px !important;
      min-height: auto !important;
      min-width: auto !important;
    }

    /* Textfelder in Tabellen: max-width + box-sizing schützen */
    table input[type="text"],
    table input[type="number"],
    table textarea,
    #grade-table input[type="text"],
    #grade-table input[type="number"],
    .komp-table input[type="text"],
    .komp-table input[type="number"],
    .fehlzeit-summary-table input[type="text"],
    .fehlzeit-summary-table input[type="number"] {
      max-width: 100% !important;
      box-sizing: border-box !important;
    }

    /* Grade-Table Inputs */
    #grade-table input[type="number"] { font-size: 16px !important; min-height: 36px; }

    /* Grade-Table: Inline-Buttons (Differenziert, Delete etc.) nicht auf 44px aufblasen –
       sonst werden Zeilen bei 25 Schülern unnötig hoch (>1100px Gesamthöhe) */
    #grade-table button { min-height: 32px; min-width: 32px; }

    /* Kompetenz-Tabelle: Toggle- und Stufen-Buttons kompakt halten */
    .komp-toggle-btn { min-height: 28px !important; min-width: 28px !important; }
    .komp-stufe-btn  { min-height: 30px !important; min-width: 26px !important; }

    /* Fehlzeiten-Tabelle: Inline-Buttons ebenfalls auf 36px begrenzen
       (Zeilen enthalten ⊕/✕-Buttons für Einträge) */
    .fehlzeit-summary-table button { min-height: 36px; min-width: 36px; }

    /* HA-Tabelle: Status-Cycle und Bewertungs-Buttons kompakt halten */
    #ha-table-wrap button { min-height: 36px; min-width: 36px; }

    /* Fehlzeiten-Buttons in Tabellen */
    .fehlzeit-summary-table input[type="number"] { font-size: 16px !important; min-height: 36px; }

    /* Elemente die nur bei hover erscheinen → immer sichtbar */
    [class*="hover-show"], .show-on-hover { opacity: 1 !important; visibility: visible !important; }
  }

  /* ── Bottom Tab-Bar (Portrait-Touch) ─────────────────────── */
  #bottomTabBar {
    display: none; /* standardmäßig unsichtbar */
  }
  #btbMoreOverlay { display: none; }

  /* ── Tab-Bar Styles (immer geladen, Sichtbarkeit via media/force-touch) ── */
  #bottomTabBar {
    position: fixed; bottom: 0; left: 0; right: 0;
    height: calc(64px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: var(--bg);
    border-top: 1px solid var(--border);
    box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
    z-index: 200;
    align-items: stretch;
  }
  .btb-btn {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 2px; border: none; background: none;
    cursor: pointer; padding: 6px 2px;
    color: var(--text3); font-size: 11px;
    font-weight: 500; transition: color 0.15s, background 0.15s;
    -webkit-tap-highlight-color: transparent;
    min-width: 0;
  }
  .btb-btn:active { background: var(--bg2); }
  .btb-btn.active { color: var(--accent-dark); }
  .btb-icon { font-size: 20px; line-height: 1; display: block; }
  .btb-label {
    font-size: 10px; line-height: 1; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis; max-width: 100%;
    font-weight: 600;
  }
  .btb-btn.active .btb-label { color: var(--accent-dark); }
  .btb-more-btn.has-active { color: var(--accent-dark); }
  #btbMoreOverlay {
    position: fixed; inset: 0; z-index: 199;
    background: rgba(0,0,0,0.35);
  }
  #btbMoreOverlay.open { display: block; }
  .btb-more-sheet {
    position: absolute; bottom: calc(64px + env(safe-area-inset-bottom));
    left: 0; right: 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    border-radius: 16px 16px 0 0;
    padding: 12px 0 8px;
    box-shadow: 0 -4px 24px rgba(0,0,0,0.15);
  }
  .btb-more-title {
    font-size: 11px; font-weight: 700; color: var(--text3);
    text-transform: uppercase; letter-spacing: .06em;
    padding: 0 20px 8px;
  }
  .btb-more-item {
    display: flex; align-items: center; gap: 14px;
    width: 100%; padding: 14px 20px;
    border: none; background: none; cursor: pointer;
    font-size: 15px; color: var(--text); text-align: left;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.1s;
  }
  .btb-more-item:active { background: var(--bg2); }
  .btb-more-item.active { color: var(--accent-dark); font-weight: 700; }
  .btb-more-item span:first-child { font-size: 20px; }

  /* Aktivierung: ≤1099px – erfasst alle iPads im Portrait (pointer:coarse unzuverlässig in Safari) */
  @media (max-width: 1099px) {
    #appSidebar { display: none !important; }
    #tabsBar    { display: none !important; }   /* Top-Tabs weg – Bottom Tab-Bar übernimmt */
    #bottomTabBar { display: flex !important; }
    .main-content { padding-bottom: calc(64px + env(safe-area-inset-bottom)) !important; }
  }

  /* Aktivierung: ?touch Debug-Modus am Laptop */
  .force-touch #appSidebar   { display: none !important; }
  .force-touch #tabsBar      { display: none !important; }
  .force-touch #bottomTabBar { display: flex !important; }
  .force-touch .main-content { padding-bottom: calc(64px + env(safe-area-inset-bottom)) !important; }

  /* Tour: Sidebar temporär ausklappen – überschreibt auch den max-width:768px-Kollaps */
  #appSidebar.tour-expand { width: 210px !important; }
  #appSidebar.tour-expand .sb-label { opacity: 1 !important; pointer-events: auto !important; }
  #appSidebar.tour-expand .sidebar-logo { opacity: 1 !important; }

  /* ── Auto-Logout Timer Button (iPad Darstellung) ─── */
  /* Button bleibt im Header-Flow (position:static) — kein fixed-Override.
     Der Button ist bereits im .app-header HTML eingebettet (Zeile 34 index.html).
     Im Portrait erscheint er rechts neben dem User-Menü, sichtbar oben. */
  #inactivityTimerBtn {
    z-index: 201;
  }
  @media (max-width: 1099px) {
    #inactivityTimerBtn {
      /* Im Header bleiben — kein position:fixed */
      color: var(--accent-dark) !important;
      background: var(--bg2) !important;
      border-color: var(--accent-dark) !important;
      box-shadow: 0 1px 6px rgba(0,0,0,0.12) !important;
      font-size: 11px !important;
      padding: 4px 10px !important;
      border-radius: 10px !important;
    }
  }

  /* ── iPad Landscape Navigation (1100–1366px) ─── */
  /* Respektiert data-nav-Einstellung des Users:
     - data-nav="sidebar" → Sidebar zeigen (explizite User-Wahl)
     - data-nav="tabs"    → Topbar zeigen (Standard + explizite Wahl)
     ID-Spezifität (#tabsBar) schlägt Klassen-Regel (body:not... .tabs-bar). */
  @media (min-width: 1100px) and (max-width: 1366px) {
    body[data-nav="sidebar"] #appSidebar    { display: flex  !important; }
    body[data-nav="sidebar"] #tabsBar       { display: none  !important; }
    body:not([data-nav="sidebar"]) #appSidebar { display: none  !important; }
    body:not([data-nav="sidebar"]) #tabsBar    { display: block !important; }
    body:not([data-nav="sidebar"]) .main-content { margin-left: 0 !important; }
  }
  /* Toast-Container auf kleinen Bildschirmen: nicht mit Header überlappen */
  @media (max-width: 1099px) {
    #nuboliToastContainer {
      top: 12px;
      right: 12px;
      max-width: calc(100vw - 24px);
    }
    .nuboli-toast {
      max-width: min(320px, calc(100vw - 24px));
    }
  }