/* Create-Music — ACE-Step 1.5 AI Music Generation UI */
:root {
  --bg-dark: #0e1117;
  --bg-card: #161b22;
  --bg-input: #1c2128;
  --border: #30363d;
  --border-focus: #58a6ff;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --success: #3fb950;
  --warning: #d29922;
  --error: #f85149;
  --purple: #bc8cff;
  --radius: 8px;
  --radius-lg: 12px;
  --font: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.app-container {
  max-width: 1288px;
  margin: 0 auto;
  padding: 24px 20px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.logo-area { flex: 1; }

.badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.logo-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.logo-title-row h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
}

.logo-title-row .accent { color: var(--accent); }

/* Silence Detector와 동일한 대시보드 버튼 */
.btn-to-dashboard {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn-to-dashboard:hover {
  border-color: rgba(59, 130, 246, 0.55);
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
}

.btn-to-dashboard::before {
  content: "←";
  font-size: 12px;
  opacity: 0.85;
}

.header-tagline {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

.header-status-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  text-align: right;
}

.btn-prepare {
  font-size: 12px;
  padding: 6px 14px;
  white-space: nowrap;
  margin-top: 2px;
}

/* Vocal Remover와 동일한 GPU/연산 배지 (pill) */
.compute-capability {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.02em;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  white-space: nowrap;
}

.compute-capability.is-gpu {
  color: #6ee7b7;
  border-color: rgba(52, 211, 153, 0.45);
  background: rgba(16, 185, 129, 0.12);
}

.compute-capability.is-cpu {
  color: #fcd34d;
  border-color: rgba(251, 191, 36, 0.4);
  background: rgba(251, 191, 36, 0.08);
}

.compute-capability.is-pending {
  color: var(--text-secondary);
  font-weight: 600;
}

.compute-capability.is-warn {
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.45);
  background: rgba(251, 191, 36, 0.1);
}

/* Silence Detector 등 — bridge.applyConnectionStatusDot이 색·문구 설정 */
.status-dot {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.bin-readiness {
  font-size: 12px;
  line-height: 1.35;
  color: var(--text-secondary);
  max-width: min(360px, 48vw);
}

.bin-readiness.is-ok {
  color: #34d399;
}

.bin-readiness.is-warn {
  color: #fbbf24;
}

.bin-readiness.is-err {
  color: #f87171;
}

/* Ad slots */
.editor-ad {
  margin: 0 0 20px;
  min-height: var(--itz-ad-height, 90px);
  border-radius: var(--radius-lg);
  background: var(--bg-control, #0a0c10);
  border: 1px dashed var(--border);
  display: block;
  overflow: hidden;
  line-height: 0;
}

.editor-ad .adsbygoogle {
  display: block;
  width: 100%;
  min-height: var(--itz-ad-height, 90px);
  line-height: normal;
}

.editor-ad:not(:has(.adsbygoogle)) {
  min-height: var(--itz-ad-height, 90px);
}

.editor-ad[data-adsense-empty="1"] {
  min-height: var(--itz-ad-height, 90px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.editor-ad[data-adsense-empty="1"]::after {
  content: "";
}

#editor-ad-above-tabs {
  margin-top: 0;
  margin-bottom: 20px;
}

#editor-ad-below-generate {
  margin-top: 16px;
  margin-bottom: 0;
}

/* Tabs */
.tabs-nav {
  display: flex;
  gap: 2px;
  background: var(--bg-input);
  border-radius: var(--radius);
  padding: 3px;
  margin-bottom: 24px;
}

.tab-btn {
  flex: 1;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Forms */
.form-row {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font);
  transition: border-color 0.15s;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
}

.form-input:disabled,
.form-select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: rgba(28, 33, 40, 0.5);
}

.form-textarea { resize: vertical; min-height: 60px; }

.form-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
  display: block;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

/* Advanced panel */
.advanced-panel-open {
  margin: 16px 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.advanced-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.advanced-header .section-title {
  margin-bottom: 0;
}

.preset-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.preset-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
}

.preset-btn {
  font-size: 12px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-input);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
  white-space: nowrap;
}

.preset-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.preset-btn.active {
  border-color: var(--accent);
  background: rgba(88, 166, 255, 0.1);
  color: var(--accent);
  font-weight: 600;
}

.preset-tooltip {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 14px;
  padding: 8px 12px;
  background: var(--bg-input);
  border-radius: 6px;
  border-left: 3px solid var(--accent);
  line-height: 1.5;
}

/* Remix section */
.remix-section {
  padding: 16px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-bottom: 16px;
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.hidden { display: none !important; }
.is-hidden { display: none !important; }

/* Compose panel — structured caption + lyrics */
.compose-panel {
  padding: 18px;
  margin-bottom: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.compose-panel-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.compose-panel-title--lyrics {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.compose-panel-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.55;
}

.compose-panel-desc code {
  font-size: 12px;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--bg-input);
  color: var(--accent);
}

.form-label-note {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 12px;
}

.compose-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.vocal-ref-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.vocal-ref-strength-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.vocal-ref-strength-row input[type="range"] {
  flex: 1;
  min-width: 120px;
  max-width: 280px;
}

.vocal-ref-strength-val {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 2.5rem;
}

.compose-chip {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  font-family: var(--font);
}

.compose-chip:hover {
  border-color: rgba(88, 166, 255, 0.45);
  color: var(--text-primary);
}

.compose-chip.is-selected {
  border-color: rgba(88, 166, 255, 0.65);
  background: rgba(88, 166, 255, 0.14);
  color: #93c5fd;
}

.options-grid--compose {
  margin-bottom: 12px;
}

.compose-preview-details {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.compose-preview-details summary {
  cursor: pointer;
  user-select: none;
  padding: 6px 0;
  color: var(--accent);
}

.compose-preview {
  margin-top: 8px;
  padding: 12px;
  border-radius: var(--radius);
  background: var(--bg-input);
  border: 1px solid var(--border);
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-primary);
  max-height: 200px;
  overflow: auto;
}

.lyrics-builder-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.lyrics-builder-hint {
  margin: 0;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.lyrics-sections-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lyrics-section-card {
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-input);
}

.lyrics-section-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.lyrics-section-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(88, 166, 255, 0.15);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.lyrics-section-toolbar .section-type {
  flex: 1;
  min-width: 140px;
}

.lyrics-section-actions {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.btn-icon-action {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  font-family: var(--font);
}

.btn-icon-action:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-icon-action--danger:hover {
  border-color: var(--error);
  color: var(--error);
}

.section-instrumental-wrap .form-hint {
  margin-top: 6px;
}

.form-label-sm {
  font-size: 13px;
  margin-bottom: 6px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  filter: brightness(1.1);
  transform: translateY(-1px);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-download-mp3 {
  background: linear-gradient(135deg, #2ea043 0%, #3fb950 45%, #56d364 100%);
  color: #fff;
  box-shadow: 0 2px 12px rgba(63, 185, 80, 0.35);
}
.btn-download-mp3:hover:not(:disabled) {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(63, 185, 80, 0.45);
}
.btn-download-mp3:active:not(:disabled) {
  transform: translateY(0);
  filter: brightness(0.98);
}
.btn-download-mp3:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-large {
  padding: 14px 32px;
  font-size: 16px;
}

.btn-icon { font-size: 18px; }

.generate-section {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 16px 0 12px;
}

.generate-section--full {
  width: 100%;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Waveform player */
.music-player {
  margin-top: 24px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.music-player__wave-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #1a2744;
  min-height: 120px;
}

.music-player.is-empty .music-player__wave-wrap {
  background: var(--bg-input);
  border: 1px dashed var(--border);
}

.music-player.is-empty:not(.is-generating) .music-player__overlay {
  display: none !important;
}

.music-player__canvas {
  display: block;
  width: 100%;
  height: 120px;
}

.music-player.is-empty .music-player__transport {
  display: none;
}

.music-player__overlay[hidden] {
  display: none !important;
}

.music-player__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  background: rgba(10, 12, 18, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 2;
}

.music-player__overlay-msg {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  text-align: center;
}

.music-player__progress-track {
  width: min(92%, 420px);
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.music-player__progress-bar {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  transition: width 0.35s ease;
}

.music-player__overlay-pct {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.music-player.is-generating .music-player__wave-wrap {
  border-style: solid;
  border-color: rgba(124, 156, 255, 0.35);
}

.music-player.is-generating .music-player__canvas {
  filter: blur(2px);
  opacity: 0.55;
}

.music-player.is-generating .music-player__playhead {
  display: none !important;
  visibility: hidden;
  pointer-events: none;
}

.music-player__playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 10px rgba(124, 156, 255, 0.55);
  pointer-events: none;
  z-index: 4;
  left: 0;
  transform: translateX(-1px);
}

.music-player__playhead[hidden] {
  display: none !important;
}

.music-player__playhead-time {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 17, 21, 0.92);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 11px;
  white-space: nowrap;
  color: var(--text-primary);
}

.music-player__transport {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.music-player__play {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
}

.music-player__play:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.music-player__play:not(:disabled):hover {
  border-color: var(--accent);
  color: var(--accent);
}

.music-player__time {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
}

.music-player__sep {
  color: var(--text-muted, #6b7280);
  font-size: 12px;
}

.music-player__status {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-secondary);
}

.download-section {
  margin: 0 0 20px;
}

.form-hint-block {
  margin: 4px 0 0;
  line-height: 1.5;
}

.file-name-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-left: 8px;
}

.file-name-label.is-set {
  color: var(--accent);
  font-weight: 600;
}

#vocal-ref-row.has-ref {
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}

/* Progress */
.progress-area {
  margin: 16px 0;
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background: var(--bg-input);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-msg {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Result area */
.result-area {
  margin-top: 24px;
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.result-item:last-child { border-bottom: none; }

.result-item audio {
  flex: 1;
  height: 40px;
}

.result-item .btn-download {
  font-size: 13px;
  padding: 6px 12px;
}

.result-filename {
  font-size: 12px;
  color: var(--text-muted, #9ca3af);
  min-width: 120px;
  word-break: break-all;
}

.result-empty {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted, #9ca3af);
}

.result-empty .btn-link {
  background: none;
  border: none;
  color: var(--accent, #7c9cff);
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
  font: inherit;
}

/* History */
.history-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-card {
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-card-title {
  font-weight: 600;
  font-size: 14px;
}

.history-card-date {
  font-size: 12px;
  color: var(--text-secondary);
}

.history-card-caption {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-card-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.history-seed {
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-input);
  transition: color 0.15s;
}
.history-seed:hover { color: var(--accent); }

.history-audio-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.history-audio-row audio {
  flex: 1;
  height: 36px;
}

.history-audio-row .btn-download {
  font-size: 16px;
  padding: 4px 10px;
  text-decoration: none;
}

.empty-state {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px 0;
  font-size: 14px;
}

/* Content shell (광고 사이 콘텐츠 영역) */
.content-shell {
  position: relative;
}

/* Prepare overlay — content-shell 안에서 absolute로 뜸 (광고 가리지 않음) */
.prepare-overlay {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  background: rgba(14, 17, 23, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  pointer-events: auto;
}

.prepare-overlay:not([hidden]) {
  display: flex;
}

.prepare-overlay__panel {
  width: min(100%, 420px);
  padding: 28px 28px 24px;
  text-align: center;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(22, 27, 34, 0.96);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.prepare-overlay__spinner {
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: prepare-spin 0.8s linear infinite;
}

@keyframes prepare-spin {
  to { transform: rotate(360deg); }
}

.prepare-overlay__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.prepare-overlay__step {
  font-size: 13px;
  font-weight: 600;
  color: #34d399;
  margin-bottom: 6px;
  min-height: 1.4em;
}

.prepare-overlay__step:empty {
  display: none;
}

.prepare-overlay__message {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.prepare-overlay__track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.14);
  overflow: hidden;
  margin-bottom: 8px;
}

.prepare-overlay__percent {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  text-align: center;
  letter-spacing: 0.02em;
}

.prepare-overlay__bar {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, #22c55e, var(--accent));
  transition: width 0.3s ease;
}

.prepare-overlay__bar.is-indeterminate {
  width: 38%;
  animation: prepare-indeterminate 1.4s ease-in-out infinite;
}

@keyframes prepare-indeterminate {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(320%); }
}

/* Responsive */
@media (max-width: 600px) {
  .app-header { flex-direction: column; }
  .options-grid { grid-template-columns: 1fr; }
  .generate-section { flex-direction: column; }
}

/* itz-theme-contrast */
html[data-theme="light"] .option-card label,
html[data-theme="light"] .option-hint,
html[data-theme="light"] .path-hint,
html[data-theme="light"] .range-val,
html[data-theme="light"] .preset-label,
html[data-theme="light"] .chips-label,
html[data-theme="light"] .size-pill {
  color: #0f172a !important;
}
html[data-theme="light"] .chip:not(.active):not(.is-on),
html[data-theme="light"] .preset-btn:not(.active) {
  background: #e2e8f0 !important;
  color: #0f172a !important;
}
html[data-theme="light"] .chip.active {
  background: var(--accent, #3b82f6) !important;
  color: #ffffff !important;
}
html[data-theme="light"] .path-row input,
html[data-theme="light"] .option-card input[type="number"],
html[data-theme="light"] .option-card input[type="text"] {
  background: #ffffff !important;
  color: #0f172a !important;
}
html[data-theme="light"] .btn-pick-file {
  background: #ffffff !important;
  color: #0f172a !important;
}
html[data-theme="light"] .media-summary-panel {
  background: #f1f5f9;
}
html[data-theme="light"] .media-summary-title,
html[data-theme="light"] .media-summary-hint,
html[data-theme="light"] .media-summary-item dt,
html[data-theme="light"] .media-summary-item dd {
  color: #0f172a;
}
html[data-theme="dark"] .chip:not(.active):not(.is-on) {
  color: #e2e8f0;
}
html[data-theme="dark"] .chip.active {
  color: #ffffff;
}
html[data-theme="dark"] .range-val {
  color: #e2e8f0;
}
html[data-theme="dark"] .path-row input,
html[data-theme="dark"] .option-card input[type="number"],
html[data-theme="dark"] .option-card input[type="text"] {
  color: #ffffff;
}

/* itz-theme-controls */
html[data-theme="light"] .toggle-card {
  background: var(--bg-control, #f8fafc) !important;
  border-color: var(--border, #d8dee8);
  color: #0f172a;
}
html[data-theme="light"] .toggle-card-title,
html[data-theme="light"] .option-label,
html[data-theme="light"] .check-label {
  color: #0f172a !important;
}
html[data-theme="light"] .toggle-card-desc,
html[data-theme="light"] .option-hint,
html[data-theme="light"] .choice small,
html[data-theme="light"] .check-line small {
  color: #475569 !important;
}
html[data-theme="light"] .toggle-card:has(input:checked) {
  background: color-mix(in srgb, var(--accent) 12%, #ffffff) !important;
  border-color: color-mix(in srgb, var(--accent) 42%, #d8dee8);
}
html[data-theme="light"] .toggle-card.is-disabled,
html[data-theme="light"] .toggle-card.is-disabled:has(input:checked) {
  opacity: 0.72;
  background: var(--bg-control-muted, #e8eef4) !important;
}
html[data-theme="light"] .toggle-card.is-disabled .toggle-card-title,
html[data-theme="light"] .toggle-card.is-disabled .toggle-card-desc {
  color: #64748b !important;
}
html[data-theme="light"] .option-select,
html[data-theme="light"] .option-field select {
  background: #ffffff !important;
  color: #0f172a !important;
}
html[data-theme="light"] .choice,
html[data-theme="light"] .check-line {
  background: var(--bg-control, #f8fafc) !important;
  color: #0f172a;
}
html[data-theme="light"] .mode-chip:not(.active):not(.is-on) {
  background: var(--bg-control, #f8fafc) !important;
  color: #334155 !important;
}
html[data-theme="light"] .mode-chip.active,
html[data-theme="light"] .mode-chip.is-on {
  background: var(--accent, #3b82f6) !important;
  color: #ffffff !important;
}
html[data-theme="light"] .size-pill:not(:has(input:checked)) {
  background: #f8fafc !important;
  color: #334155 !important;
}
html[data-theme="light"] .size-pill:has(input:checked) {
  background: color-mix(in srgb, var(--accent) 16%, #ffffff) !important;
  color: #0c4a6e !important;
}
html[data-theme="light"] .btn-pick-file:hover:not(:disabled) {
  background: #e2e8f0 !important;
  color: #0f172a !important;
}
html[data-theme="light"] .toast {
  background: #ffffff !important;
  color: #0f172a !important;
}
html[data-theme="light"] .preview-dialog {
  background: #ffffff !important;
  color: #0f172a !important;
}
html[data-theme="light"] .howto code {
  background: #e8eef4 !important;
  color: #0f172a !important;
}
html[data-theme="light"] .btn-action--download:not(.is-disabled) {
  color: #0f766e !important;
}
html[data-theme="dark"] .toggle-card-title,
html[data-theme="dark"] .option-label {
  color: var(--text-main, #e2e8f0);
}
html[data-theme="dark"] .toggle-card-desc,
html[data-theme="dark"] .option-hint,
html[data-theme="dark"] .choice small,
html[data-theme="dark"] .check-line small {
  color: var(--text-subtle, #94a3b8);
}
html[data-theme="dark"] .option-select {
  background: var(--bg-control, #0f1318);
  color: var(--text-main, #e2e8f0);
}
html[data-theme="dark"] .path-row input {
  background: var(--bg-control, #0f1318);
  color: var(--text-main, #ffffff);
}
html[data-theme="dark"] .mode-chip:not(.active):not(.is-on) {
  color: #cbd5e1;
}
html[data-theme="dark"] .size-pill:has(input:checked) {
  color: #e0f2fe;
}