:root {
  --timeline-bg:#09090b;
  --timeline-panel:#0f0f13;
  --timeline-line:rgba(255,255,255,.09);
  --timeline-playhead:#3b82f6;
  --timeline-selected:#7c3aed;
  --timeline-chord:#ec4899;
  --timeline-anchor:#64748b;
  --timeline-danger:#f472b6;
}
.timing-editor { max-width: none; }

.timing-edit-dialog {
  width: min(460px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid rgba(168,85,247,.32);
  border-radius: 16px;
  background: #100d18;
  color: #fff;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .55);
}
.timing-edit-dialog::backdrop { background: rgba(5, 10, 16, .72); }
.timing-edit-dialog form { display: grid; gap: 16px; padding: 22px; }
.timing-edit-dialog h2 { margin: 0; }
.timing-edit-dialog label { display: grid; gap: 7px; color: #c4b5d4; font-weight: 700; }
.timing-edit-dialog input {
  width: 100%; box-sizing: border-box; padding: 10px 12px;
  border: 1px solid rgba(168,85,247,.32); border-radius: 8px; background: #0b0911; color: #fff; font: inherit;
}
.timing-edit-error { margin: 0; color: #f9a8d4; }
.timing-edit-actions { display: flex; justify-content: flex-end; gap: 10px; }

.timing-editor audio { width: min(900px, 100%); margin: 8px 0 18px; }
.timing-actions, .timing-toolbar, .timing-legend { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.timing-toolbar { padding: 14px 16px; border: 1px solid rgba(168,85,247,.24); border-radius: 12px; background: #12101a; }
.timing-toolbar label { display: flex; align-items: center; gap: 10px; }
.timing-toolbar input { width: 190px; }
.timing-status { margin-left: auto; color: #a1a1aa; }
.timing-toolbar-group { display: flex; align-items: center; gap: 6px; padding-right: 12px; border-right: 1px solid var(--timeline-line); }
.timing-toolbar-group:last-of-type { border-right: 0; padding-right: 0; }
.timing-toolbar .secondary-button { transition: transform .14s ease, border-color .14s ease, background .14s ease; }
.timing-toolbar .secondary-button:hover { transform: translateY(-1px); }
.timing-toolbar-record .primary-button { width: auto; flex: 0 0 auto; border-radius: 999px; }
.timing-help { margin: 14px 0; padding: 10px 14px; border-left: 3px solid #a855f7; background: #110d1b; color: #c4b5d4; }

.timing-scroll {
  position: relative;
  min-height: 260px;
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid rgba(168,85,247,.24);
  border-radius: 16px;
  background: #0b0911;
}
.timing-ruler { position: relative; height: 34px; margin-left: 92px; border-bottom: 1px solid rgba(168,85,247,.24); }
.timing-tick {
  position: absolute; top: 0; height: 34px; padding-left: 5px;
  border-left: 1px solid rgba(168,85,247,.20); color: #8b8494; font: 11px monospace;
}
.timing-lane { position: relative; min-height: 64px; padding-left: 92px; border-bottom: 1px solid rgba(255,255,255,.07); }
.timing-lane > div { position: relative; height: 64px; }
.lane-label { position: absolute; left: 10px; top: 23px; width: 70px; color: #8f8798; font: 700 10px monospace; letter-spacing: .08em; }
.timing-word {
  position: absolute; top: 12px; height: 40px; overflow: visible; padding: 0 2px;
  border: 1px solid #8b5cf6; border-radius: 7px; background: #4c1d95; color: #fafafa;
  font: 700 13px/40px inherit; white-space: nowrap; cursor: grab; user-select: none;
}
.timing-word.selected { background: #7c3aed; border-color: #c084fc; }
.timing-word.overlap { background: #4a1d3a; border-color: #f9a8d4; }
.legend-current { display: inline-block; width: 14px; height: 14px; border-radius: 4px; background: #4c1d95; border: 1px solid #8b5cf6; vertical-align: -2px; }
.legend-ai { display: inline-block; width: 14px; height: 14px; border-radius: 4px; background: #6b6472; vertical-align: -2px; }
.legend-selected { display: inline-block; width: 14px; height: 14px; border-radius: 4px; background: #7c3aed; vertical-align: -2px; }
.legend-warning { display: inline-block; width: 14px; height: 14px; border-radius: 4px; background: #4a1d3a; vertical-align: -2px; }
.ai-marker { position: absolute; top: 6px; width: 2px; height: 52px; background: #6b6472; }
.timing-chord { position: absolute; top: 4px; padding: 2px 5px; border-radius: 5px; background: #20162d; color: #d8b4fe; font: 700 10px monospace; white-space: nowrap; }
.timing-cursor { position: absolute; top: 0; bottom: 0; width: 2px; margin-left: 92px; background: #a855f7; pointer-events: none; }

/* Transport: long player + group navigator */
.timing-transport { display: grid; gap: 8px; margin: 8px 0 14px; }
.timing-player { width: 100%; }
.timing-navigator {
  position: relative; width: 100%; height: 46px;
  border: 1px solid rgba(168,85,247,.24); border-radius: 10px; background: #0a0810; overflow: hidden;
}
.timing-navigator-track { position: absolute; inset: 0; display: block; }
.timing-nav-chip {
  position: absolute; top: 4px; bottom: 4px; min-width: 4px;
  border: 1px solid rgba(168,85,247,.24); border-radius: 5px; background: #1b1328;
  color: #c4b5d4; font: 700 10px/1 inherit; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; padding: 0 4px; cursor: pointer;
}
.timing-nav-chip:hover { background: #2b1745; border-color: #a855f7; }
.timing-navigator-view {
  position: absolute; top: 0; bottom: 0; background: rgba(168,85,247,.14);
  border-left: 1px solid rgba(168,85,247,.5); border-right: 1px solid rgba(168,85,247,.5);
  pointer-events: none;
}
.timing-navigator-playhead {
  position: absolute; top: -3px; bottom: -3px; width: 3px;
  background: #a855f7; box-shadow: 0 0 10px rgba(168,85,247,.8);
  pointer-events: none; z-index: 3;
}
.timing-navigator-playhead::before {
  content: ""; position: absolute; top: -5px; left: 50%; transform: translateX(-50%);
  width: 12px; height: 12px; border-radius: 50%;
  background: #a855f7; box-shadow: 0 0 10px rgba(168,85,247,.8);
}

/* Marquee box selection */
.timing-marquee {
  position: absolute; top: 0; bottom: 0; margin-left: 92px;
  background: rgba(59,130,246,.18); border: 1px dashed #c084fc; pointer-events: none; z-index: 5;
}

/* Video control panel */
.timing-video-panel {
  margin-top: 18px; padding: 16px; border: 1px solid rgba(168,85,247,.24); border-radius: 16px; background: #100d18;
}
.timing-video-stage { background: #000; border-radius: 10px; overflow: hidden; }
.timing-video { width: 100%; max-height: 52vh; display: block; background: #000; }
.timing-video-controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.timing-video-toggle { display: flex; align-items: center; gap: 6px; color: #c4b5d4; font-weight: 700; }
.timing-video-hint { color: #8b8494; font-size: 12px; }

/* Full-window work area: thin tool bar, large video + large editor, no page scroll */
.timing-editor {
  position: fixed;
  top: 76px; left: 0; right: 0; bottom: 0;
  height: auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  gap: 6px;
  padding: 6px 12px 0;
  max-width: none;
  width: 100%;
}
.timing-topbar {
  flex: 0 0 auto;
  order: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 8px 12px;
  border: 1px solid rgba(168,85,247,.24);
  border-radius: 12px;
  background: #12101a;
}
.timing-zoom-label { display: flex; align-items: center; gap: 8px; flex: 1 1 auto; min-width: 140px; max-width: 420px; margin-left: auto; }
.timing-zoom-label input[type="range"] { width: 100%; flex: 1 1 auto; }
.timing-back { margin-left: auto; flex: 0 0 auto; white-space: nowrap; }
.timing-save { flex: 0 0 auto; white-space: nowrap; }
.timing-legend { display: flex; align-items: center; gap: 10px; color: #a1a1aa; font-size: 12px; }
.timing-legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -2px; margin-right: 3px; }
.timing-status { color: #a1a1aa; font-size: 12px; }

/* Video control strip (audio + sync buttons) sits above the video to free vertical space */
.timing-video-bar {
  flex: 0 0 auto;
  order: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 12px;
}
.timing-video-bar .timing-player { flex: 1 1 auto; min-width: 0; width: auto; }
.timing-video-buttons { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* Video panel: a help box on each side, 16:9 video centered between them (size unchanged) */
.timing-video-panel {
  flex: 0 0 auto;
  min-height: 0;
  order: 3;
  margin-top: 0;
  padding: 8px 12px;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
}
.timing-video-help {
  flex: 1 1 0;
  min-width: 0;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid rgba(168,85,247,.24);
  border-radius: 12px;
  background: #100d18;
  color: #c4b5d4;
  font-size: 12.5px;
  line-height: 1.5;
  overflow: auto;
}
.timing-video-help h3 { margin: 0 0 4px; font-size: 13px; color: #fafafa; }
.timing-video-help ul { margin: 0; padding-left: 18px; }
.timing-video-help li { margin: 4px 0; }
.timing-video-stage {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
.live-preview-screen.timing-karaoke-screen {
  aspect-ratio: 16 / 9;
  height: 320px;
  width: auto;
  max-width: 100%;
  min-height: 0;
  padding: 16px 24px;
  margin: 0;
}

.timing-transport { flex: 0 0 auto; order: 4; }
.timing-scroll-fixed { flex: 1 1 52%; min-height: 0; order: 5; }

/* Balanced timeline semantics: blue playback, purple selection, pink chords */
.timing-edit-dialog,.timing-toolbar,.timing-topbar,.timing-video-panel,.timing-video-help{background:var(--timeline-panel);border-color:var(--timeline-line)}
.timing-scroll,.timing-navigator{background:var(--timeline-bg);border-color:var(--timeline-line)}
.timing-help{border-left-color:var(--timeline-playhead);background:rgba(59,130,246,.07)}
.timing-word{background:rgba(59,130,246,.22);border-color:rgba(59,130,246,.60);color:#eff6ff}
.timing-word:hover{border-color:#93c5fd;box-shadow:0 0 18px rgba(59,130,246,.18)}
.timing-word.selected{background:rgba(124,58,237,.65);border-color:#c4b5fd;box-shadow:0 0 18px rgba(124,58,237,.22)}
.timing-word.overlap{background:#4a1d3a;border-color:var(--timeline-danger)}
.legend-current{background:rgba(59,130,246,.42);border-color:var(--timeline-playhead)}
.legend-selected{background:var(--timeline-selected)}
.legend-warning{background:#4a1d3a;border:1px solid var(--timeline-danger)}
.ai-marker,.legend-ai{background:var(--timeline-anchor)}
.timing-chord{background:rgba(236,72,153,.12);color:#f9a8d4;border:1px solid rgba(236,72,153,.22)}
.timing-cursor,.timing-navigator-playhead,.timing-navigator-playhead::before{background:var(--timeline-playhead);box-shadow:0 0 12px rgba(59,130,246,.75)}
.timing-navigator-view{background:rgba(59,130,246,.12);border-left-color:rgba(59,130,246,.52);border-right-color:rgba(124,58,237,.52)}
.timing-nav-chip{background:linear-gradient(90deg,rgba(59,130,246,.15),rgba(124,58,237,.13));border-color:rgba(59,130,246,.25)}
.timing-nav-chip:hover{background:linear-gradient(90deg,var(--timeline-playhead),var(--timeline-selected));border-color:#c4b5fd;color:#fff}
.timing-marquee{background:rgba(59,130,246,.14);border-color:#93c5fd}

/* ===== MAIN LAYOUT WITH LYRICS PANEL ===== */
.timing-main {
  order: 5;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  flex: 1 1 auto;
  min-height: 280px;
  gap: 12px;
}
.timing-main > .timing-scroll-fixed {
  order: 0;
  width: 100%;
  min-width: 0;
  min-height: 280px;
}
.timing-lyrics-panel {
  order: 1;
  width: 360px;
  max-width: 360px;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  background: var(--timeline-panel);
  border: 1px solid var(--timeline-line);
  border-radius: 16px;
  overflow: hidden;
}
.lyrics-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--timeline-line);
  background: var(--timeline-bg);
}
.lyrics-panel-header h3 { margin: 0; font-size: 14px; color: #fafafa; }
.lyrics-panel-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.lyrics-panel-content { flex: 1 1 auto; padding: 12px; overflow: auto; }
.lyrics-editor {
  width: 100%; min-height: 300px; box-sizing: border-box;
  padding: 12px; border: 1px solid rgba(168,85,247,.24); border-radius: 10px;
  background: #0b0911; color: #fff; font: 13px/1.6 monospace;
  resize: vertical;
}
.lyrics-editor:focus { outline: none; border-color: #a855f7; }
.lyrics-panel-record-view { padding: 12px; border-top: 1px solid var(--timeline-line); }
.lyrics-panel-record-view h4 { margin: 0 0 10px; font-size: 13px; color: #f472b6; }
.record-current-word {
  font-size: 28px; font-weight: 800; color: #3b82f6;
  padding: 8px 12px; background: rgba(59,130,246,.12); border-radius: 10px;
  margin-bottom: 12px; letter-spacing: .02em;
}
.record-word-list {
  list-style: none; margin: 0; padding: 0; max-height: 260px; overflow: auto;
}
.record-word-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 8px; border-radius: 6px; font: 13px monospace;
  transition: background .12s;
}
.record-word-list li.done { color: #8b8494; text-decoration: line-through; }
.record-word-list li.current { background: rgba(59,130,246,.18); color: #3b82f6; font-weight: 700; }
.record-word-list li .idx { color: #8b8494; width: 2.5em; text-align: right; font-size: 12px; }
.record-word-list li .word { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hidden { display: none !important; }
.recording-progress { color: #93c5fd; font-weight: 700; white-space: nowrap; }
.timing-editor:has([data-record-timing]:disabled) .recording-progress { color: #fb7185; text-shadow: 0 0 14px rgba(244, 63, 94, .55); }

/* Record mode: hide timeline lanes, show lyrics panel record view, KEEP editor visible */
.timing-editor.recording .timing-whisper-lane { display: none; }
.timing-editor.recording .timing-word-lane { display: none; }
.timing-editor.recording .timing-chord-lane { display: none; }
.timing-editor.recording .timing-ruler { display: none; }
.timing-editor.recording .lyrics-panel-record-view { display: block; }
.timing-editor.recording .lyrics-panel-content { display: block; }
.timing-editor.recording .lyrics-panel-actions { display: none; }

/* Record mode: keep side text box visible and clear only old video lyrics */
.timing-editor.recording .record-lyrics-panel { display: flex; }
.timing-editor.recording .live-preview-row { visibility: hidden; }
.timing-editor.recording .live-preview-chords { visibility: hidden; }

/* Record button stays visible, Stop appears next to it */
.timing-editor.recording [data-record-timing] { display: inline-flex !important; }
.timing-editor.recording [data-stop-recording] { display: inline-flex !important; }

/* Ensure toolbar stays visible during recording */
.timing-editor.recording .timing-toolbar { display: flex !important; }
.timing-editor.recording .timing-toolbar-group { display: flex !important; }
.timing-editor.recording .timing-toolbar button { display: inline-flex !important; }
.timing-editor.recording .recording-progress { display: inline-block !important; }

/* RECORD LYRICS PANEL — the yellow area beside the video in Photo 5 */
.timing-video-panel { display: grid; grid-template-columns: minmax(420px, 1fr) minmax(330px, .8fr); align-items: stretch; }
.timing-video-stage { width: 100%; min-width: 0; }
.record-lyrics-panel {
  min-width: 0;
  height: 320px;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(15, 10, 25, .98), rgba(10, 8, 16, .96));
  border: 1px solid rgba(59,130,246,.34);
  border-radius: 12px;
  padding: 14px 16px;
  color: #fafafa;
  overflow: hidden;
}
.record-lyrics-hint { color:#8b8494; font-size:11px; }
.record-lyrics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(168, 85, 247, 0.24);
}
.record-lyrics-title {
  font-size: 14px;
  font-weight: 700;
  color: #c4b5d4;
}
.record-lyrics-content {
  flex: 1;
  overflow: auto;
  outline: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 15px;
  line-height: 2.2;
  white-space: nowrap;
}
.record-sheet-line {
  display: block;
  min-width: max-content;
  margin: 0 0 12px;
  white-space: nowrap;
}
.record-sheet-intro-row {
  min-width: max-content;
  white-space: pre;
}
.record-sheet-intro-row.chords {
  color: #f0abfc;
  font-weight: 700;
  letter-spacing: .02em;
}
.record-sheet-intro-row.section {
  color: #93c5fd;
  font-weight: 800;
  margin-top: 8px;
}
.manual-harmony-blocks {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(168,85,247,.25);
}
.manual-harmony-block {
  display: grid;
  grid-template-columns: minmax(80px, auto) 1fr auto;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}
.manual-harmony-section { color: #93c5fd; font-weight: 800; }
.manual-harmony-events { display: flex; flex-wrap: wrap; gap: 8px; }
.manual-harmony-event { display: inline-flex; flex-direction: column; align-items: center; min-width: 34px; }
.manual-harmony-event i { color: #f0abfc; font-style: normal; font-weight: 800; }
.manual-harmony-event em { color: #f8fafc; font: 900 20px/1 monospace; font-style: normal; }
.manual-harmony-event.current { filter: drop-shadow(0 0 7px #ec4899); transform: scale(1.16); }
.manual-harmony-event.done { opacity: .48; }
.timing-chord.instrumental-chord { color: #f9a8d4; border-color: #ec4899; }
.record-lyrics-line {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 0;
  white-space: pre-wrap;
  word-break: break-word;
}
.record-lyrics-chords {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  min-height: 22px;
  font-size: 11px;
  color: #d8b4fe;
}
.record-lyrics-chord {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  background: rgba(236, 72, 153, 0.15);
  border: 1px solid rgba(236, 72, 153, 0.3);
  border-radius: 4px;
  font-weight: 700;
}
.record-lyrics-words {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: baseline;
}
.record-lyrics-word {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all 0.15s ease;
  cursor: pointer;
}
.record-lyrics-word:hover { background: rgba(168, 85, 247, .18); }
.record-lyrics-word .word-text {
  font-size: 16px;
  font-weight: 600;
  color: #fafafa;
}
.record-lyrics-word .word-chord {
  min-height: 16px;
  font-size: 10px;
  color: #f0abfc;
  opacity: 1;
  transform: none;
  transition: all 0.15s ease;
}
.record-lyrics-word.has-chord.current .word-chord {
  color: #f9a8d4;
  font-weight: 800;
  text-shadow: 0 0 10px rgba(236,72,153,.48);
}
.record-lyrics-word.current {
  background: rgba(59, 130, 246, 0.25);
  box-shadow: 0 0 0 2px #3b82f6;
}
.record-lyrics-word.current .word-text {
  color: #93c5fd;
  font-weight: 800;
}
.record-lyrics-word.done { opacity: .58; }
.record-lyrics-word.done .word-text { color: #8b8494; }
.timing-help-content { padding: 8px 16px 16px; overflow:auto; color:#c4b5d4; font-size:12.5px; line-height:1.55; }
.timing-help-content p { margin:10px 0 4px; color:#e4e4e7; }
.timing-help-content ul { margin:0; padding-left:18px; }
.timing-help-content li { margin:5px 0; }
.timing-help-content kbd { padding:2px 6px; border:1px solid rgba(59,130,246,.4); border-radius:4px; color:#93c5fd; background:#09090b; }
.timing-help-note { padding:8px 10px; border-left:2px solid #3b82f6; background:rgba(59,130,246,.07); }
.record-lyrics-close {
  font-size: 12px;
  padding: 6px 10px;
}

/* Responsive */
@media (max-width: 1000px) {
  .timing-video-panel { grid-template-columns: 1fr; }
  .record-lyrics-panel { width:100%; height:260px; }
}
@media (max-width: 820px) {
  .record-lyrics-panel { padding: 12px 16px; }
  .record-lyrics-content { font-size: 14px; line-height: 2; }
}

/* Responsive workspace */
@media (max-width: 1100px) {
  .timing-main { grid-template-columns: minmax(0, 1fr) 300px; }
  .timing-lyrics-panel { width: 300px; min-width: 280px; max-width: 300px; }
}
@media (max-width: 820px) {
  .timing-editor { position: static; overflow: visible; }
  .timing-main { display: flex; flex-direction: column; }
  .timing-lyrics-panel { width: 100%; max-width: none; min-width: 0; }
}