/* ========================================================================
   Custom Scrollbar (Webkit + Firefox) — modern, schmal, gedaempft
   ======================================================================== */
*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
*::-webkit-scrollbar-track {
  background: transparent;
}
*::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 246, 0.18);
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: padding-box;
  transition: background 0.2s;
}
*::-webkit-scrollbar-thumb:hover {
  background: rgba(139, 92, 246, 0.55);
  background-clip: padding-box;
}
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(139, 92, 246, 0.18) transparent;
}
*:hover {
  scrollbar-color: rgba(139, 92, 246, 0.4) transparent;
}

/* === Design System: Dark Mode KI === */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #181822;
  --bg-hover: #22222e;
  --bg-input: #1f1f2c;
  --border: #2a2a3a;
  --border-bright: #3f3f55;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --cat-claude: #8b5cf6;
  --cat-agents: #3b82f6;
  --cat-interview: #10b981;
  --cat-robotik: #06b6d4;
  --cat-business: #f59e0b;
  --cat-google-openai: #fbbf24;
  --cat-tools: #14b8a6;
  --cat-geopolitik: #ef4444;

  --shadow: 0 8px 32px rgba(0,0,0,0.45);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.35);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.18s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; min-height: 100vh; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(ellipse at top, #1a1a28 0%, var(--bg-primary) 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

/* === HEADER === */
.topbar {
  position: sticky; top: 0; z-index: 100;
  display: flex; gap: 32px; align-items: center;
  padding: 20px 40px;
  background: rgba(10,10,15,0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.logo { font-size: 36px; }
.brand h1 { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; }
.subtitle { font-size: 13px; color: var(--text-secondary); }
.search-wrap { flex: 1; max-width: 560px; }
#search {
  width: 100%; padding: 12px 18px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text-primary); font-size: 14px;
  transition: border var(--transition);
}
#search:focus { outline: none; border-color: var(--cat-claude); }

/* === SYNC BUTTON === */
.sync-btn {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2px;
  padding: 8px 14px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text-primary);
  font-family: inherit; font-size: 12px; font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  min-width: 80px;
}
.sync-btn:hover {
  background: var(--cat-claude); border-color: var(--cat-claude); color: white;
}
.sync-btn.syncing {
  background: var(--cat-business); border-color: var(--cat-business); color: white;
}
.sync-btn.syncing .sync-icon {
  animation: tts-spin 1.2s linear infinite;
  display: inline-block;
}
.sync-btn .sync-icon { font-size: 16px; }
.sync-btn .sync-label { font-size: 11px; font-weight: 700; letter-spacing: 0.05em; }
.sync-btn .sync-meta { font-size: 9px; opacity: 0.7; }

.synthesize-btn:hover {
  background: var(--cat-tools); border-color: var(--cat-tools);
}
.scheduler-btn:hover {
  background: var(--cat-agents); border-color: var(--cat-agents);
}

/* === UPDATE MODAL — Phasen-Tracker === */
.update-modal-content, .synthesize-modal-content {
  max-width: 720px;
}
.update-subtitle {
  font-size: 13px; color: var(--text-secondary);
  margin: 4px 0 18px;
}
.update-phases {
  list-style: none; padding: 0; margin: 0 0 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-input);
}
.update-phase {
  display: grid;
  grid-template-columns: 32px 1fr auto auto;
  align-items: center; gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.update-phase:last-child { border-bottom: none; }
.update-phase-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 700;
  color: var(--text-muted);
}
.update-phase-name {
  color: var(--text-primary);
}
.update-phase-dur {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-muted);
}
.update-phase-status {
  font-size: 16px; line-height: 1;
}
.update-phase[data-status="pending"] .update-phase-status::before { content: "○"; color: var(--text-muted); }
.update-phase[data-status="running"] .update-phase-status::before { content: "◐"; color: var(--cat-business); animation: tts-spin 1.5s linear infinite; display: inline-block; }
.update-phase[data-status="done"] .update-phase-status::before { content: "✓"; color: var(--cat-tools); }
.update-phase[data-status="failed"] .update-phase-status::before { content: "✗"; color: var(--cat-geopolitik); }
.update-phase[data-status="skipped"] .update-phase-status::before { content: "−"; color: var(--text-muted); }
.update-phase[data-status="running"] {
  background: rgba(245, 158, 11, 0.08);
}
.update-phase[data-status="done"] .update-phase-name { color: var(--text-secondary); }
.update-current {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--text-muted);
  padding: 8px 12px;
  background: var(--bg-input); border-radius: 6px;
  border-left: 3px solid var(--cat-claude);
  overflow-x: auto; white-space: nowrap;
}
#update-result { margin-top: 16px; }
.update-success {
  padding: 12px 16px;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid var(--cat-tools);
  border-radius: 8px;
  color: var(--cat-tools);
  font-weight: 600;
}
.update-failure {
  padding: 12px 16px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--cat-geopolitik);
  border-radius: 8px;
  color: var(--cat-geopolitik);
}

/* SYNTHESIZE QUEUE */
.synth-section {
  margin: 14px 0;
}
.synth-section h3 {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-secondary); margin: 0 0 8px;
}
.synth-item {
  padding: 8px 12px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 6px;
  font-size: 13px;
  display: flex; justify-content: space-between; align-items: center;
}
.synth-item .synth-badge {
  font-size: 10px; padding: 2px 8px;
  border-radius: 10px; background: var(--cat-claude); color: white;
  font-weight: 700; text-transform: uppercase;
}
.synth-empty {
  padding: 14px; text-align: center;
  color: var(--text-muted); font-style: italic;
}
.synth-note {
  margin-top: 16px; padding: 12px;
  background: rgba(139, 92, 246, 0.08);
  border-left: 3px solid var(--cat-claude);
  border-radius: 4px;
  font-size: 12px; color: var(--text-secondary);
  line-height: 1.6;
}
.synth-note code {
  background: var(--bg-card); padding: 2px 6px; border-radius: 4px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--cat-claude);
}

/* SYNC MODAL (legacy, behalten für Per-Video) */
.sync-modal-content {
  max-width: 600px;
}
.sync-progress-bar {
  height: 12px;
  background: var(--bg-input); border-radius: 6px; overflow: hidden;
  border: 1px solid var(--border);
  margin: 20px 0 12px;
}
#sync-progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--cat-claude), var(--cat-agents));
  transition: width 0.4s ease;
}
#sync-progress-text {
  font-size: 13px; color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
}
#sync-result {
  margin-top: 20px;
}
#sync-result .sync-new-video {
  background: var(--bg-input); border: 1px solid var(--border);
  border-left: 3px solid var(--cat-interview);
  border-radius: var(--radius-sm); padding: 12px 16px; margin-bottom: 8px;
  font-size: 13px;
}
#sync-result .sync-success {
  padding: 14px 18px;
  background: color-mix(in srgb, var(--cat-interview) 15%, transparent);
  border: 1px solid var(--cat-interview);
  border-radius: var(--radius-sm);
  color: var(--cat-interview);
  margin-bottom: 16px;
}
#sync-result .sync-empty {
  padding: 14px 18px; color: var(--text-secondary);
  background: var(--bg-input); border-radius: var(--radius-sm);
}

/* === TABS === */
.tabs {
  display: flex; gap: 4px; padding: 16px 40px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  overflow-x: auto;
}
.tab {
  padding: 10px 18px; font-size: 14px; font-weight: 500;
  background: transparent; color: var(--text-secondary);
  border: none; border-radius: var(--radius-sm); cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}
.tab:hover { background: var(--bg-hover); color: var(--text-primary); }
.tab.active { background: var(--cat-claude); color: white; }

/* === MAIN === */
#main { padding: 32px 40px 80px; max-width: 1600px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; }
.section-title { font-size: 24px; font-weight: 700; margin-bottom: 24px; }

/* === STATS ROW === */
.stats-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px; margin-bottom: 24px;
}
.stat-pill {
  padding: 18px 20px; border-radius: var(--radius);
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: 4px solid var(--cat); transition: transform var(--transition);
}
.stat-pill:hover { transform: translateY(-2px); }
.stat-pill .num { font-size: 28px; font-weight: 800; letter-spacing: -0.03em; }
.stat-pill .lbl { font-size: 12px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 4px; }

/* === DASHBOARD GRID === */
.dashboard-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.dashboard-grid .wide { grid-column: 1 / -1; }
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  box-shadow: var(--shadow-card);
}
.card h2 { font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.hint { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }

/* === CATEGORY BARS === */
.cat-bar { display: grid; grid-template-columns: 140px 1fr 50px; align-items: center; gap: 12px; margin-bottom: 10px; }
.cat-bar .name { font-size: 13px; color: var(--text-primary); }
.cat-bar .track { height: 8px; background: var(--bg-input); border-radius: 4px; overflow: hidden; }
.cat-bar .fill { height: 100%; border-radius: 4px; transition: width 0.5s ease; }
.cat-bar .count { font-size: 13px; font-weight: 600; text-align: right; color: var(--text-secondary); }

/* === TOP VIDEOS LIST === */
.top-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
  cursor: pointer; transition: background var(--transition);
}
.top-row:last-child { border-bottom: none; }
.top-row:hover { background: var(--bg-hover); padding-left: 8px; padding-right: 8px; border-radius: var(--radius-sm); }
.top-row .rank { font-size: 18px; font-weight: 800; color: var(--text-muted); width: 28px; }
.top-row .title { font-size: 13px; flex: 1; }
.top-row .score { font-size: 12px; color: var(--cat-claude); font-weight: 600; }

/* === MINI GRID === */
.mini-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }

/* === LIBRARY === */
.filter-bar { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; flex-wrap: wrap; }
.filter-bar select {
  padding: 10px 14px; background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary); font-size: 13px;
  font-family: inherit; cursor: pointer;
}
.filter-bar select:focus { outline: none; border-color: var(--cat-claude); }
.result-count { font-size: 13px; color: var(--text-secondary); margin-left: auto; }

.library-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 18px;
}

.vcard {
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: 4px solid var(--cat);
  border-radius: var(--radius); overflow: hidden;
  cursor: pointer; display: flex; flex-direction: column;
  transition: transform var(--transition), border-color var(--transition);
}
.vcard:hover { transform: translateY(-4px); border-color: var(--border-bright); }
.vcard .thumb { width: 100%; aspect-ratio: 16/9; background: var(--bg-secondary); object-fit: cover; }
.vcard .body { padding: 14px 16px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.vcard .meta { display: flex; gap: 10px; font-size: 11px; color: var(--text-muted); align-items: center; }
.vcard .cat-pill {
  padding: 2px 8px; border-radius: 4px; font-weight: 600;
  background: color-mix(in srgb, var(--cat) 22%, transparent);
  color: var(--cat); text-transform: uppercase; letter-spacing: 0.04em;
}
.vcard .vtitle { font-size: 14px; font-weight: 600; line-height: 1.35; flex: 1; }
.vcard .vfooter { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted); margin-top: auto; }
.vcard .score { color: var(--cat); font-weight: 700; }

/* === MODAL === */
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(8px); }
.modal-content {
  position: relative; width: 100%; max-width: 920px;
  max-height: 90vh; overflow-y: auto;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow);
  z-index: 1;
}
.modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 32px; height: 32px;
  background: var(--bg-hover); border: none; border-radius: 50%;
  color: var(--text-primary); font-size: 16px; cursor: pointer;
}
.modal-close:hover { background: var(--cat-geopolitik); }

.modal h2 { font-size: 22px; margin-bottom: 12px; line-height: 1.3; }
.modal .meta-row { display: flex; gap: 16px; font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; flex-wrap: wrap; align-items: center; }
.modal .video-iframe { width: 100%; aspect-ratio: 16/9; border-radius: var(--radius-sm); border: 1px solid var(--border); margin-bottom: 20px; background: black; }
.modal .desc { background: var(--bg-input); padding: 16px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 14px; color: var(--text-secondary); white-space: pre-wrap; }
.modal h3 { font-size: 15px; font-weight: 700; margin: 20px 0 10px; color: var(--cat-claude); }
.modal .chapter { padding: 8px 12px; background: var(--bg-secondary); border-radius: 6px; font-size: 13px; margin-bottom: 6px; display: flex; gap: 12px; }
.modal .chapter .t { color: var(--cat-agents); font-weight: 600; font-family: 'JetBrains Mono', monospace; }
.modal textarea {
  width: 100%; min-height: 120px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  padding: 12px; font-family: inherit; font-size: 13px; resize: vertical;
}
.modal textarea:focus { outline: none; border-color: var(--cat-claude); }
.modal .preview-transcript { font-size: 13px; color: var(--text-secondary); line-height: 1.6; background: var(--bg-input); padding: 14px; border-radius: var(--radius-sm); max-height: 220px; overflow-y: auto; }

/* === VIDEO MODAL DETAILS === */
.video-detail-block { margin-top: 20px; }
.video-detail-label { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.chapter-list { display: flex; flex-direction: column; gap: 4px; }
.chapter-btn { background: var(--bg-input); border: 1px solid var(--border); border-radius: 6px; padding: 7px 12px; text-align: left; cursor: pointer; color: var(--text-primary); font-size: 12px; display: flex; gap: 10px; align-items: center; transition: background 0.15s; }
.chapter-btn:hover { background: var(--bg-secondary); border-color: var(--cat-claude); }
.ch-time { color: var(--cat-agents); font-family: 'JetBrains Mono', monospace; font-size: 11px; min-width: 40px; }
.ch-title { flex: 1; }
.video-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; background: var(--bg-input); padding: 12px; border-radius: 6px; white-space: pre-wrap; }
.video-refs { display: flex; flex-direction: column; gap: 4px; }
.ref-btn { background: none; border: 1px solid var(--border); border-radius: 6px; padding: 6px 12px; text-align: left; cursor: pointer; color: var(--cat-claude); font-size: 12px; transition: background 0.15s; }
.ref-btn:hover { background: color-mix(in srgb, var(--cat-claude) 10%, transparent); }
.praxis-block { background: color-mix(in srgb, var(--cat-tools) 8%, transparent); border-radius: 8px; padding: 14px; border: 1px solid color-mix(in srgb, var(--cat-tools) 30%, transparent); }
.praxis-list { margin: 0; padding-left: 18px; font-size: 13px; line-height: 1.7; color: var(--text-primary); }
.praxis-list li { margin-bottom: 4px; }
.yt-link-btn { display:inline-flex;align-items:center;color:var(--cat-claude);text-decoration:none;font-size:13px;padding:10px 16px;border:1px solid var(--border);border-radius:24px;transition:background 0.15s; }
.yt-link-btn:hover { background: color-mix(in srgb, var(--cat-claude) 10%, transparent); }

/* === MODAL ENRICHED === */
.quote {
  background: linear-gradient(135deg, color-mix(in srgb, var(--cat-claude) 12%, transparent), color-mix(in srgb, var(--cat-agents) 8%, transparent));
  border-left: 4px solid var(--cat-claude);
  padding: 14px 18px;
  margin-bottom: 10px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-primary);
}
.keynum {
  display: flex; align-items: baseline; gap: 14px;
  padding: 8px 14px; background: var(--bg-input);
  border-radius: var(--radius-sm); margin-bottom: 6px;
}
.kn-value {
  font-weight: 800; font-size: 16px;
  color: var(--cat-business);
  white-space: nowrap;
  font-family: 'JetBrains Mono', monospace;
}
.kn-ctx { font-size: 13px; color: var(--text-secondary); line-height: 1.45; }

.entity-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 10px; }
.entity-label { font-size: 12px; color: var(--text-muted); font-weight: 600; min-width: 110px; text-transform: uppercase; letter-spacing: 0.04em; }
.entity-pill {
  font-size: 12px; padding: 3px 9px; border-radius: 12px;
  font-weight: 500;
}

.related-list { display: flex; flex-direction: column; gap: 6px; }
.related-item {
  padding: 10px 14px; background: var(--bg-input);
  border-radius: var(--radius-sm); cursor: pointer; font-size: 13px;
  transition: background var(--transition);
}
.related-item:hover { background: var(--bg-hover); }

/* ==========================================================================
   WISSENSBUCH — Reader UI (Full-Bleed Layout — Sidebar am Rand)
   ========================================================================== */

/* Buch-View bricht KOMPLETT aus dem max-width:1600 von #main aus
   und nutzt die volle Viewport-Breite */
.book-view {
  display: none;
}
.view.active.book-view {
  display: grid;
  /* Vollbleed: position via calc gegen #main margin/padding */
  position: relative;
  width: 100vw;
  left: 50%;
  margin-left: -50vw;
  margin-top: -32px;
  margin-bottom: -80px;
  padding: 24px 32px 80px;
  box-sizing: border-box;
  /* HD-Layout: TOC 320 · Content max 1100 · Aside 340 */
  grid-template-columns: 320px minmax(0, 1fr) 340px;
  gap: 32px;
  align-items: start;
  min-height: calc(100vh - 200px);
}
/* Bei sehr breiten Screens (>1800px): Content noch luftiger zentrieren */
@media (min-width: 1800px) {
  .view.active.book-view {
    grid-template-columns: 340px minmax(0, 1fr) 360px;
    gap: 40px;
    padding: 24px 48px 80px;
  }
}

/* Sidebar TOC */
.book-sidebar {
  position: sticky;
  top: 130px;
  max-height: calc(100vh - 150px);
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 14px;
}
.book-toc-header {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text-secondary);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.progress-badge {
  font-size: 11px; padding: 3px 9px;
  background: var(--cat-claude); color: white;
  border-radius: 10px; font-weight: 700;
}
.toc-chapter { margin-bottom: 4px; }
.toc-chapter-title {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 700; color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition);
}
.toc-chapter-title:hover { background: var(--bg-hover); }
.toc-chapter-num { color: var(--text-muted); font-family: 'JetBrains Mono', monospace; font-size: 11px; }
.toc-chapter-tier { margin-left: auto; font-size: 9px; padding: 1px 6px; border-radius: 4px; }
.toc-chapter-tier.mega { background: var(--cat-claude); color: white; }
.toc-chapter-tier.mittel { background: var(--cat-agents); color: white; opacity: 0.7; }
.toc-chapter-tier.neben { background: var(--text-muted); color: white; opacity: 0.7; }
.toc-sections { padding-left: 4px; margin: 2px 0 8px; display: none; }
.toc-chapter.open .toc-sections { display: block; }
.toc-section {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px 6px 22px;
  font-size: 12.5px; color: var(--text-secondary);
  border-radius: var(--radius-sm); cursor: pointer;
  transition: all var(--transition);
}
.toc-section:hover { background: var(--bg-hover); color: var(--text-primary); }
.toc-section.active { background: var(--cat-claude); color: white; font-weight: 600; }
.toc-section.read::before {
  content: "✓"; color: var(--cat-interview); margin-right: 4px; font-weight: 700;
}
.toc-section-num { color: var(--text-muted); font-family: 'JetBrains Mono', monospace; font-size: 11px; min-width: 30px; }
.toc-section.active .toc-section-num { color: rgba(255,255,255,0.8); }

/* Book Content — HD-optimiert, breitere Lesespalte */
.book-content {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 56px 72px;
  min-height: 600px;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}
@media (min-width: 1800px) {
  .book-content {
    max-width: 1200px;
    padding: 64px 88px;
  }
}
.book-content article { font-family: 'Lora', Georgia, serif; }
.book-content h1 {
  font-family: 'Inter', sans-serif;
  font-size: 30px; font-weight: 800;
  line-height: 1.2; letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--text-primary);
}
.book-content .meta-line {
  font-family: 'Inter', sans-serif;
  font-size: 13px; color: var(--text-secondary);
  margin-bottom: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  display: flex; gap: 16px; flex-wrap: wrap;
}
.book-content h2 {
  font-family: 'Inter', sans-serif;
  font-size: 22px; font-weight: 700;
  margin: 36px 0 14px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}
.book-content h3 {
  font-family: 'Inter', sans-serif;
  font-size: 17px; font-weight: 700;
  margin: 24px 0 10px;
  color: var(--cat-claude);
}
.book-content p {
  font-size: 17.5px; line-height: 1.75;
  margin: 0 0 18px;
  color: var(--text-primary);
}
@media (min-width: 1800px) {
  .book-content p { font-size: 18px; line-height: 1.78; }
}
.book-content strong { color: white; font-weight: 700; }
.book-content em { color: var(--text-secondary); }
.book-content ul, .book-content ol {
  margin: 0 0 18px 24px;
  font-size: 16px; line-height: 1.7;
}
.book-content li { margin-bottom: 6px; }
.book-content blockquote {
  border-left: 4px solid var(--cat-claude);
  background: linear-gradient(135deg, color-mix(in srgb, var(--cat-claude) 10%, transparent), color-mix(in srgb, var(--cat-agents) 5%, transparent));
  margin: 20px 0;
  padding: 16px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  font-size: 16px;
  line-height: 1.65;
}
.book-content blockquote p { margin-bottom: 6px; font-size: 16px; }
.book-content blockquote p:last-child { margin-bottom: 0; }
.book-content hr {
  border: none; border-top: 1px solid var(--border);
  margin: 32px 0;
}
.book-content a {
  color: var(--cat-claude);
  text-decoration: none;
  border-bottom: 1px dotted var(--cat-claude);
  transition: all var(--transition);
}
.book-content a:hover { color: white; border-bottom-color: white; }
.book-content a.crossref {
  display: inline-block;
  background: color-mix(in srgb, var(--cat-claude) 15%, transparent);
  color: var(--cat-claude);
  padding: 1px 7px;
  border-radius: 4px;
  font-style: normal;
  border: none;
  font-size: 14.5px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
}
.book-content a.crossref:hover {
  background: var(--cat-claude); color: white;
}
.book-content a.timestamp-link {
  border: none;
  background: color-mix(in srgb, var(--cat-agents) 18%, transparent);
  color: var(--cat-agents);
  padding: 1px 8px;
  border-radius: 4px;
  font-style: normal;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
}
.book-content a.timestamp-link:hover { background: var(--cat-agents); color: white; }
.book-content code {
  background: var(--bg-input); padding: 2px 6px;
  border-radius: 4px; font-size: 14px;
  color: var(--cat-tools);
}

/* ===================================================================
   Text-to-Speech Player — sticky am oberen Rand des Artikels
   =================================================================== */
.tts-bar {
  position: sticky;
  top: 130px;
  z-index: 10;
  display: flex; align-items: center; gap: 10px;
  background: rgba(24, 24, 34, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 8px 6px 14px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  margin: -20px 0 28px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  width: fit-content;
  max-width: 100%;
  flex-wrap: wrap;
}
.tts-bar .tts-status {
  font-size: 12px; color: var(--text-secondary);
  white-space: nowrap;
}
.tts-bar button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: 50%; color: var(--text-primary);
  font-size: 14px; cursor: pointer;
  transition: all var(--transition);
}
.tts-bar button:hover:not(:disabled) {
  background: var(--cat-claude); border-color: var(--cat-claude); color: white;
}
.tts-bar button.primary {
  background: var(--cat-claude); border-color: var(--cat-claude); color: white;
}
.tts-bar button.primary:hover { background: color-mix(in srgb, var(--cat-claude) 80%, white 20%); }
.tts-bar button:disabled { opacity: 0.4; cursor: not-allowed; }
.tts-bar select {
  background: var(--bg-input); border: 1px solid var(--border);
  color: var(--text-primary); padding: 6px 10px;
  border-radius: 18px; font-size: 12px;
  font-family: inherit; cursor: pointer; max-width: 160px;
}
.tts-bar .speed-control {
  display: flex; align-items: center; gap: 6px;
}
.tts-bar .speed-control input[type=range] {
  width: 80px; accent-color: var(--cat-claude);
}
.tts-bar .speed-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--cat-agents); min-width: 30px;
}
/* Spinner während Audio-Generierung */
.tts-spinner {
  display: inline-block;
  animation: tts-spin 1.2s linear infinite;
}
@keyframes tts-spin {
  to { transform: rotate(360deg); }
}

/* === TTS Bar 2.0: mehrzeiliger Player mit Segment-Chips === */
.tts-bar {
  position: sticky;
  top: 130px;
  z-index: 10;
  display: grid;
  grid-template-areas:
    "controls status settings"
    "segs     segs   segs";
  grid-template-columns: auto 1fr auto;
  gap: 10px 14px;
  background: rgba(24, 24, 34, 0.94);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 16px;
  font-family: 'Inter', sans-serif;
  margin: -20px 0 28px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  width: auto;
}
.tts-bar .tts-controls { grid-area: controls; display: flex; gap: 6px; align-items: center; }
.tts-bar .tts-status-wrap { grid-area: status; display: flex; align-items: center; min-width: 0; padding: 0 12px; }
.tts-bar .tts-status-wrap .tts-status {
  font-size: 13px; color: var(--text-secondary); white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}
.tts-bar .tts-status-wrap .tts-status strong { color: var(--cat-claude); }
.tts-bar .tts-settings { grid-area: settings; display: flex; gap: 12px; align-items: center; }
.tts-bar .tts-segs-row {
  grid-area: segs;
  display: flex; gap: 4px; flex-wrap: wrap;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.tts-bar select {
  background: var(--bg-input); border: 1px solid var(--border);
  color: var(--text-primary); padding: 6px 10px;
  border-radius: 18px; font-size: 12px;
  font-family: inherit; cursor: pointer; max-width: 160px;
}
.tts-bar button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: 50%; color: var(--text-primary);
  font-size: 13px; cursor: pointer;
  transition: all var(--transition);
}
.tts-bar button:hover:not(:disabled) {
  background: var(--cat-claude); border-color: var(--cat-claude); color: white;
}
.tts-bar button.primary {
  background: var(--cat-claude); border-color: var(--cat-claude); color: white;
}
.tts-bar button:disabled { opacity: 0.4; cursor: not-allowed; }

.tts-seg-marker {
  width: auto; min-width: 30px; height: 26px; padding: 0 8px;
  background: var(--bg-input); border: 1px solid var(--border);
  color: var(--text-secondary); border-radius: 6px;
  font-size: 11px; font-weight: 700; font-family: 'JetBrains Mono', monospace;
  cursor: pointer; transition: all var(--transition);
}
.tts-seg-marker:hover {
  border-color: var(--cat-claude); color: var(--cat-claude);
}
.tts-seg-marker.active {
  background: var(--cat-claude); color: white; border-color: var(--cat-claude);
  box-shadow: 0 0 12px color-mix(in srgb, var(--cat-claude) 50%, transparent);
}

/* H2 wird hervorgehoben waehrend Audio laeuft */
.book-content h1.tts-seg-active,
.book-content h2.tts-seg-active {
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--cat-claude) 20%, transparent),
    transparent 80%);
  padding-left: 14px;
  margin-left: -18px;
  border-left: 4px solid var(--cat-claude);
  transition: all 0.4s ease;
}

/* === MARGINALIA (in der rechten Aside) === */
.book-marginalia {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.book-marginalia h3 {
  font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--cat-business);
  margin-bottom: 14px;
}
.marg-card {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--bg-input) 90%, var(--cat-business) 10%),
    var(--bg-input));
  border: 1px solid var(--border);
  border-left: 3px solid var(--cat-business);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 8px;
  font-size: 12px;
  line-height: 1.5;
  transition: all var(--transition);
}
.marg-card.highlight {
  border-color: var(--cat-business);
  box-shadow: 0 0 14px color-mix(in srgb, var(--cat-business) 40%, transparent);
}
.marg-card .marg-head {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 4px;
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-muted);
}
.marg-card .marg-icon { font-size: 14px; }
.marg-card .marg-body { color: var(--text-primary); }
.marg-card .marg-line { display: block; margin-top: 3px; }
.marg-card .marg-line:first-child { font-weight: 600; color: var(--text-primary); }
.marg-card .crossref { font-size: 11px; }
.marg-card .timestamp-link { font-size: 11px; }

/* Inline-Marker im Fliesstext */
.book-content a.marg-ref {
  display: inline-flex;
  background: color-mix(in srgb, var(--cat-business) 22%, transparent);
  color: var(--cat-business);
  width: 22px; height: 22px;
  border-radius: 50%;
  align-items: center; justify-content: center;
  font-size: 12px;
  text-decoration: none;
  vertical-align: middle;
  margin: 0 2px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}
.book-content a.marg-ref:hover {
  background: var(--cat-business); color: white; transform: scale(1.15);
  border: none;
}

/* === VISUALISIERUNGEN (inline) === */
.viz {
  margin: 24px 0;
  padding: 20px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-left: 4px solid var(--cat-agents);
  border-radius: var(--radius-sm);
}

/* viz:evolution */
.viz-evolution {
  display: flex; align-items: stretch; gap: 8px; flex-wrap: wrap;
}
.viz-evo-step {
  flex: 1; min-width: 140px;
  background: var(--bg-card); border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm); padding: 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.viz-evo-version {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px; font-weight: 800;
  color: var(--cat-claude);
}
.viz-evo-note { font-size: 13px; color: var(--text-secondary); }
.viz-evo-arrow {
  display: flex; align-items: center;
  font-size: 24px; color: var(--cat-agents);
}

/* viz:compare */
.viz-compare h4 {
  font-size: 13px; margin-bottom: 12px; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.viz-comp-row {
  display: grid; grid-template-columns: 140px 1fr;
  gap: 12px; align-items: center; margin-bottom: 10px;
}
.viz-comp-label { font-size: 13px; font-weight: 500; }
.viz-comp-bar {
  background: var(--bg-secondary); border-radius: 6px; overflow: hidden;
  height: 28px; position: relative;
}
.viz-comp-fill {
  background: linear-gradient(90deg, var(--cat-claude), var(--cat-agents));
  height: 100%;
  display: flex; align-items: center; justify-content: flex-end;
  padding: 0 10px; color: white;
  font-size: 12px; font-weight: 700;
  transition: width 0.6s ease;
}

/* viz:quote-box */
.viz-quote-box {
  margin: 0; padding: 16px 22px;
  font-style: italic; font-size: 18px; line-height: 1.55;
  background: var(--bg-primary);
  border-left: 4px solid var(--cat-claude);
  border-radius: var(--radius-sm);
}
.viz-quote-box footer {
  font-size: 13px; color: var(--text-secondary);
  margin-top: 10px; font-style: normal;
}

/* viz:network */
.viz-network {
  text-align: center;
}
.viz-net-center {
  display: inline-block;
  padding: 10px 22px;
  background: var(--cat-claude); color: white;
  border-radius: 999px; font-weight: 700;
  margin-bottom: 16px;
}
.viz-net-spokes {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
}
.viz-net-spoke {
  padding: 6px 14px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 999px; font-size: 13px;
}

/* viz:timeline-placeholder */
.viz-timeline-placeholder {
  padding: 30px; text-align: center; color: var(--text-secondary);
}

/* Section Navigation Footer */
.section-nav {
  margin-top: 48px; padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: 16px;
  font-family: 'Inter', sans-serif;
}
.section-nav a {
  flex: 1; max-width: 48%;
  padding: 14px 20px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: flex; flex-direction: column; gap: 4px;
  transition: all var(--transition);
}
.section-nav a:hover { border-color: var(--cat-claude); background: var(--bg-hover); }
.section-nav .nav-direction { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.section-nav .nav-title { font-size: 14px; color: var(--text-primary); font-weight: 600; }
.section-nav a.next { text-align: right; }

/* Aside (Sources & Related) */
.book-aside {
  position: sticky;
  top: 130px;
  max-height: calc(100vh - 150px);
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 14px;
  font-family: 'Inter', sans-serif;
}
.book-aside h3 {
  font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text-secondary);
  padding-bottom: 8px; margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.book-aside h3:not(:first-child) { margin-top: 24px; }
.aside-source {
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px; margin-bottom: 8px;
  cursor: pointer; transition: all var(--transition);
}
.aside-source:hover { border-color: var(--cat-claude); background: var(--bg-hover); }
.aside-source .src-title {
  font-size: 12.5px; font-weight: 600;
  color: var(--text-primary); line-height: 1.35;
  margin-bottom: 4px;
}
.aside-source .src-meta {
  font-size: 11px; color: var(--text-muted);
}
.aside-related {
  display: block;
  padding: 8px 12px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-left: 3px solid var(--cat-claude);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text-primary);
  text-decoration: none;
  transition: all var(--transition);
}
.aside-related:hover { background: var(--bg-hover); }
.aside-related .ar-num {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--text-muted); margin-right: 6px;
}

/* Welcome Page */
.book-welcome {
  font-family: 'Inter', sans-serif;
}
.book-welcome h1 {
  font-size: 34px; font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.book-welcome .lead {
  font-size: 18px; line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.book-welcome h2 {
  font-size: 18px; margin: 32px 0 12px;
  color: var(--text-primary);
}
.book-welcome ol {
  margin-left: 18px;
  font-size: 15px; line-height: 1.7;
  color: var(--text-primary);
}
.book-welcome ol li { margin-bottom: 8px; }
.book-welcome .cta {
  margin-top: 24px; padding: 16px 20px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--cat-claude) 18%, transparent), color-mix(in srgb, var(--cat-agents) 12%, transparent));
  border: 1px solid var(--cat-claude);
  border-radius: var(--radius-sm);
  font-size: 16px; font-weight: 600;
}
.book-welcome .cta a {
  color: white; text-decoration: none; border-bottom: 2px solid var(--cat-claude);
}
.welcome-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin: 24px 0;
}
.welcome-stats > div {
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px;
  text-align: center;
}
.welcome-stats strong {
  display: block; font-size: 22px; font-weight: 800;
  color: var(--cat-claude); letter-spacing: -0.02em;
}
.welcome-stats span {
  font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
}

@media (max-width: 1100px) {
  .book-view { grid-template-columns: 240px 1fr; }
  .book-aside { display: none !important; }
}
@media (max-width: 768px) {
  .book-view { grid-template-columns: 1fr; }
  .book-sidebar { position: static; max-height: 300px; }
  .book-content { padding: 24px; }
}

/* === TIMELINE === */
.timeline { position: relative; padding: 32px 0; }
.timeline .axis { position: absolute; left: 0; right: 0; top: 50%; height: 2px; background: var(--border); }
.timeline-track { display: flex; position: relative; min-height: 240px; padding-top: 60px; gap: 4px; flex-wrap: wrap; }
.dot {
  position: relative; cursor: pointer;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--cat); border: 2px solid var(--bg-primary);
  transition: transform var(--transition);
}
.dot:hover { transform: scale(1.6); z-index: 2; }
.dot-row { display: flex; flex-direction: column; align-items: center; min-width: 36px; padding: 4px; }
.dot-date { font-size: 10px; color: var(--text-muted); margin-top: 8px; }

/* === KNOWLEDGE GRAPH === */
#graph { background: var(--bg-secondary); border-radius: var(--radius-sm); }
.node circle { stroke: var(--bg-primary); stroke-width: 2px; cursor: pointer; transition: stroke var(--transition); }
.node:hover circle { stroke: white; }
.node text { fill: var(--text-primary); font-size: 12px; font-weight: 600; pointer-events: none; }
.link { stroke: var(--border-bright); stroke-opacity: 0.5; }

/* === PATHS === */
.paths-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.path-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  cursor: pointer; transition: transform var(--transition);
}
.path-card:hover { transform: translateY(-4px); border-color: var(--cat); }
.path-icon { font-size: 36px; margin-bottom: 12px; }
.path-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.path-card p { font-size: 13px; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.55; }
.path-card .pmeta { display: flex; gap: 12px; font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }

/* ========================================================================
   DEEP DIVE — Tab, Sub-Tabs, Dashboard
   ======================================================================== */
.dd-header { margin-bottom: 18px; }
.tabs .tab .badge {
  display: inline-block; margin-left: 4px;
  background: var(--cat-business); color: white;
  font-size: 10px; font-weight: 700;
  padding: 2px 7px; border-radius: 10px;
  vertical-align: top;
}

/* Sub-Tabs */
.dd-subtabs {
  display: flex; gap: 6px; margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.dd-subtab {
  padding: 8px 14px; font-size: 13px; font-weight: 500;
  background: transparent; color: var(--text-secondary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; transition: all var(--transition);
  font-family: inherit;
}
.dd-subtab:hover { background: var(--bg-hover); color: var(--text-primary); }
.dd-subtab.active { background: var(--cat-claude); color: white; border-color: var(--cat-claude); }
.dd-subview { display: none; }
.dd-subview.active { display: block; }

/* Generated Grid */
.dd-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.dd-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: 4px solid var(--cat-claude);
  border-radius: var(--radius); padding: 20px;
  cursor: pointer; transition: all var(--transition);
}
.dd-card:hover { transform: translateY(-3px); border-color: var(--cat-claude); }
.dd-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.dd-card .meta { font-size: 12px; color: var(--text-secondary); margin-bottom: 12px; }
.dd-card .stats { display: flex; gap: 12px; font-size: 11px; color: var(--text-muted); }
.dd-card .stats strong { color: var(--text-primary); font-size: 13px; display: block; }

/* Pending List */
.dd-pending-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: 4px solid var(--cat-business);
  border-radius: var(--radius); padding: 16px 20px;
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 16px;
}
.dd-pending-item .topic { flex: 1; }
.dd-pending-item .topic strong { font-size: 15px; }
.dd-pending-item .topic .when { font-size: 11px; color: var(--text-muted); display: block; margin-top: 4px; }
.dd-pending-item .type-pill {
  font-size: 10px; padding: 2px 8px; border-radius: 4px;
  background: var(--bg-input); color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.dd-pending-item .delete-btn {
  background: var(--bg-input); border: 1px solid var(--border);
  color: var(--text-secondary); padding: 6px 12px;
  border-radius: var(--radius-sm); cursor: pointer; font-size: 12px;
  transition: all var(--transition);
}
.dd-pending-item .delete-btn:hover { background: var(--cat-geopolitik); color: white; border-color: var(--cat-geopolitik); }

.dd-empty {
  background: var(--bg-card); border: 1px dashed var(--border);
  border-radius: var(--radius); padding: 48px 24px;
  text-align: center; color: var(--text-secondary);
}
.dd-empty .icon { font-size: 32px; margin-bottom: 8px; }
.dd-empty h3 { margin-bottom: 8px; }
.dd-empty p { font-size: 14px; }

/* Dashboard */
.dd-dashboard-selector {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px;
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 12px;
}
.dd-dashboard-selector label { font-size: 13px; color: var(--text-secondary); }
.dd-dashboard-selector select {
  flex: 1; padding: 8px 12px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary); font-family: inherit;
}

.dd-dash-grid {
  display: grid; grid-template-columns: 2fr 1fr; gap: 20px;
}
.dd-dash-grid .full { grid-column: 1 / -1; }
.dd-panel {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px;
}
.dd-panel h3 {
  font-size: 14px; font-weight: 700; margin-bottom: 14px;
  color: var(--cat-claude); letter-spacing: 0.04em;
  text-transform: uppercase;
}
.dd-stat-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-bottom: 20px;
}
.dd-stat {
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: 4px solid var(--cat-claude);
  border-radius: var(--radius-sm); padding: 14px 18px;
}
.dd-stat .num { font-size: 24px; font-weight: 800; }
.dd-stat .lbl { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 4px; }

/* Timeline */
#dd-timeline-svg { width: 100%; height: 240px; background: var(--bg-secondary); border-radius: var(--radius-sm); }
#dd-timeline-svg .axis text { fill: var(--text-muted); font-size: 10px; }
#dd-timeline-svg .axis line, #dd-timeline-svg .axis path { stroke: var(--border); }
#dd-timeline-svg circle { cursor: pointer; transition: r 0.2s; }
#dd-timeline-svg circle:hover { r: 8; }

/* Personen-Cloud */
.dd-people, .dd-tools {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.dd-person-chip, .dd-tool-chip {
  padding: 5px 12px; border-radius: 12px;
  background: var(--bg-input); border: 1px solid var(--border);
  font-size: 13px;
}
.dd-person-chip { border-left: 3px solid var(--cat-interview); }
.dd-tool-chip { border-left: 3px solid var(--cat-claude); }

/* Sektionen-Liste */
.dd-section-item {
  padding: 10px 14px; background: var(--bg-input);
  border: 1px solid var(--border); border-left: 3px solid var(--cat-claude);
  border-radius: var(--radius-sm); margin-bottom: 6px;
  cursor: pointer; transition: all var(--transition);
}
.dd-section-item:hover { background: var(--bg-hover); }
.dd-section-item .sid {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--text-muted); margin-right: 8px;
}
.dd-section-item .stitle { font-size: 13px; font-weight: 600; }
.dd-section-item .scount {
  float: right; font-size: 11px; color: var(--cat-claude);
  font-weight: 700; font-family: 'JetBrains Mono', monospace;
}

/* Deep-Dive-Button im Konzept-Modal */
.dd-start-btn {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 16px 0 4px 0; padding: 12px 20px;
  background: linear-gradient(135deg, var(--cat-claude), var(--cat-agents));
  color: white; border: none; border-radius: 999px;
  font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  font-family: inherit;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--cat-claude) 30%, transparent);
}
.dd-start-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--cat-claude) 40%, transparent);
}
.dd-start-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.dd-feedback {
  margin: 12px 0; padding: 10px 14px;
  border-radius: var(--radius-sm); font-size: 13px;
}
.dd-feedback.success { background: color-mix(in srgb, var(--cat-interview) 18%, transparent); color: var(--cat-interview); border: 1px solid var(--cat-interview); }
.dd-feedback.duplicate { background: color-mix(in srgb, var(--cat-business) 18%, transparent); color: var(--cat-business); border: 1px solid var(--cat-business); }
.dd-feedback.error { background: color-mix(in srgb, var(--cat-geopolitik) 18%, transparent); color: var(--cat-geopolitik); border: 1px solid var(--cat-geopolitik); }

/* === Use-Case-Suche === */
.usecase-search-bar {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--primary) 10%, var(--bg-card)),
    color-mix(in srgb, var(--cat-agents) 8%, var(--bg-card)));
  border: 1px solid color-mix(in srgb, var(--primary) 25%, var(--border));
  border-radius: var(--radius);
  padding: 20px 24px 16px;
  margin-bottom: 20px;
}
.usecase-input-wrap {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-input); border: 1.5px solid var(--border);
  border-radius: 999px; padding: 10px 16px 10px 20px;
  transition: border-color var(--transition);
}
.usecase-input-wrap:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 15%, transparent);
}
.usecase-icon { font-size: 18px; flex-shrink: 0; }
#usecase-input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text); font-size: 15px; font-family: inherit;
  min-width: 0;
}
#usecase-input::placeholder { color: var(--text-muted); font-style: italic; }
.usecase-submit-btn {
  padding: 8px 20px; background: var(--primary);
  color: #fff; border: none; border-radius: 999px;
  font-size: 14px; font-weight: 700; cursor: pointer;
  transition: all var(--transition); font-family: inherit; flex-shrink: 0;
}
.usecase-submit-btn:hover { filter: brightness(1.15); }
.usecase-submit-btn:disabled { opacity: 0.6; cursor: default; }

.usecase-examples {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 12px;
  font-size: 12px; color: var(--text-muted);
}
.usecase-ex {
  padding: 4px 12px; border: 1px solid var(--border);
  border-radius: 999px; background: var(--bg-input);
  color: var(--text-muted); font-size: 12px; cursor: pointer;
  font-family: inherit; transition: all var(--transition);
}
.usecase-ex:hover { border-color: var(--primary); color: var(--primary); background: color-mix(in srgb, var(--primary) 10%, transparent); }

/* Ergebnisse */
.usecase-results {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px; margin-bottom: 24px;
}
.usecase-result-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px; flex-wrap: wrap;
}
.usecase-result-header strong { font-size: 15px; color: var(--text); }
.usecase-ai-badge {
  padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 700;
  background: color-mix(in srgb, var(--primary) 18%, transparent);
  color: var(--primary); border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent);
}
.usecase-ai-badge.kw {
  background: color-mix(in srgb, var(--cat-business) 18%, transparent);
  color: var(--cat-business); border-color: var(--cat-business);
}
.usecase-erklaerung { margin: 6px 0 0; font-size: 13px; color: var(--text-muted); width: 100%; }

.usecase-group { margin-bottom: 20px; }
.usecase-group:last-child { margin-bottom: 0; }
.usecase-group-title {
  font-size: 13px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 10px;
}
.usecase-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px;
}
.usecase-card {
  background: var(--bg-input); border: 1px solid var(--border);
  border-top: 3px solid var(--cat-color, var(--primary));
  border-radius: var(--radius); padding: 14px 16px;
  display: flex; flex-direction: column; gap: 8px;
  cursor: pointer; transition: all var(--transition);
}
.usecase-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }
.section-card { --cat-color: var(--cat-claude); }
.dd-card { --cat-color: var(--cat-agents); }
.usecase-section-id {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--cat-color, var(--text-muted)); font-weight: 700;
}
.usecase-link {
  margin-top: auto; font-size: 12px; color: var(--primary); font-weight: 600;
}
.usecase-no-results {
  padding: 20px; text-align: center; color: var(--text-muted);
}

/* === Praxis-View (Layer 3) === */
#view-praxis { padding: 0; }

.praxis-header {
  padding: 28px 36px 16px;
  border-bottom: 1px solid var(--border);
}
.praxis-header h2 { margin: 0 0 6px; font-size: 24px; }
.praxis-header .hint { margin: 0 0 16px; }

.praxis-filter-bar {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px;
}
.praxis-cat-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 7px 16px; border: 1.5px solid var(--border);
  border-radius: 999px; background: var(--bg-input);
  color: var(--text-muted); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all var(--transition); font-family: inherit;
}
.praxis-cat-btn.active {
  border-color: var(--primary); background: color-mix(in srgb, var(--primary) 15%, transparent);
  color: var(--primary); font-weight: 700;
}
.praxis-cat-btn:hover:not(.active) { background: var(--bg-hover); color: var(--text); }
.praxis-cat-btn span { font-size: 11px; opacity: 0.75; }

.praxis-topic-filter {
  display: flex; align-items: center; gap: 10px;
}
.praxis-topic-filter label { font-size: 13px; color: var(--text-muted); }
.praxis-topic-filter select {
  padding: 6px 12px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--bg-input);
  color: var(--text); font-size: 13px; font-family: inherit;
  cursor: pointer;
}

.praxis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px; padding: 24px 36px;
}

.praxis-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-top: 3px solid var(--cat-color, var(--primary));
  border-radius: var(--radius); padding: 18px 20px;
  display: flex; flex-direction: column; gap: 10px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.praxis-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

.praxis-cat-pill {
  display: inline-block; padding: 3px 10px;
  border-radius: 999px; font-size: 11px; font-weight: 700;
  background: color-mix(in srgb, var(--cat-color, var(--primary)) 18%, transparent);
  color: var(--cat-color, var(--primary));
  border: 1px solid color-mix(in srgb, var(--cat-color, var(--primary)) 40%, transparent);
  align-self: flex-start;
}
.praxis-card-text {
  font-size: 15px; font-weight: 600; color: var(--text);
  line-height: 1.45; margin: 0;
}
.praxis-card-kontext {
  font-size: 13px; color: var(--text-muted);
  line-height: 1.5; margin: 0;
}
.praxis-video-btn {
  margin-top: auto; padding: 7px 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-input); color: var(--text-muted);
  font-size: 12px; cursor: pointer; text-align: left;
  font-family: inherit; transition: all var(--transition);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 100%;
}
.praxis-video-btn:hover {
  background: var(--bg-hover); color: var(--text); border-color: var(--primary);
}

.praxis-empty {
  padding: 48px 36px; text-align: center; color: var(--text-muted);
}
.praxis-empty code {
  background: var(--bg-input); padding: 2px 8px;
  border-radius: var(--radius-sm); font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
}

/* === Per-Video Cards === */
.pv-card {
  border-left: none !important;
  overflow: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.pv-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.25); }
.pv-card-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-input);
}
.pv-card-body { padding: 14px 16px 16px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.pv-cat-pill {
  display: inline-block;
  font-size: 11px; font-weight: 600;
  padding: 2px 8px; border-radius: 20px;
  width: fit-content;
}
.pv-card h3 { font-size: 0.92em; font-weight: 600; line-height: 1.4; margin: 0; }
.pv-card-meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--text-muted); margin-top: auto; padding-top: 8px; }

/* === Per-Video Deep Dive Article === */
.pv-deep-dive-article {
  max-width: 820px;
  line-height: 1.75;
  font-family: 'Lora', Georgia, serif;
  font-size: 17px;
  color: var(--text-primary);
}
.pv-deep-dive-article h1 {
  font-family: 'Inter', sans-serif;
  font-size: 1.6em;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.pv-deep-dive-article h2 {
  font-family: 'Inter', sans-serif;
  font-size: 1.15em;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 10px;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}
.pv-deep-dive-article blockquote {
  border-left: 3px solid var(--accent);
  padding: 10px 16px;
  margin: 20px 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-secondary);
}
.pv-deep-dive-article blockquote a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  color: var(--accent);
}
.pv-deep-dive-article img { max-width: 100%; border-radius: var(--radius); margin: 12px 0; }

/* === Responsive === */
@media (max-width: 900px) {
  .topbar { flex-direction: column; align-items: stretch; gap: 14px; padding: 16px 20px; }
  .tabs { padding: 10px 20px; }
  #main { padding: 20px; }
  .dashboard-grid { grid-template-columns: 1fr; }
}