:root {
  color-scheme: dark;
  --bg: #08060c;
  --panel: #131019;
  --panel-2: #1a1624;
  --border: rgba(255, 255, 255, 0.08);
  --text: rgba(255, 255, 255, 0.92);
  --text-dim: rgba(255, 255, 255, 0.55);
  --text-faint: rgba(255, 255, 255, 0.32);
  --accent: #7a5cff;
  --accent-2: #ff5e8f;
  --radius: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
}

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

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 10%, rgba(122, 92, 255, 0.16), transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(255, 94, 143, 0.12), transparent 45%),
    radial-gradient(circle at 50% 100%, rgba(56, 189, 248, 0.10), transparent 50%);
}

.page-header {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 1.25rem;
  text-align: center;
}
.page-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.page-header p {
  margin-top: 0.4rem;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.preview-panel {
  position: sticky;
  top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}
.panel-head-sm { margin-bottom: 0.6rem; }
.panel h2 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.empty-state {
  color: var(--text-faint);
  font-size: 0.88rem;
  padding: 1.5rem 0.5rem;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 10px;
}

/* Buttons */
.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s, border-color 0.15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
}
.btn:hover:not(:disabled) { background: #241f30; border-color: rgba(255,255,255,0.16); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: white;
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.btn-block { width: 100%; }
.btn-tiny { padding: 0.3rem 0.6rem; font-size: 0.72rem; border-radius: 8px; }
.btn-icon { width: 2.4rem; height: 2.4rem; border-radius: 50%; padding: 0; font-size: 0.9rem; flex: none; }
.btn-pill { padding: 0.3rem 0.7rem; font-size: 0.72rem; }
.btn-pill.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: white;
}
.file-btn { cursor: pointer; }

/* Clip cards */
.clip-list { display: flex; flex-direction: column; }

.clip-card {
  display: flex;
  gap: 0.75rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
}
.clip-card.dragging { opacity: 0.4; }
.clip-card.drag-over { border-color: var(--accent); }

.clip-drag-handle {
  color: var(--text-faint);
  cursor: grab;
  padding-top: 0.2rem;
  user-select: none;
}

.clip-thumb {
  width: 84px;
  height: 60px;
  object-fit: cover;
  border-radius: 8px;
  background: #000;
  flex: none;
}

.clip-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 0.4rem; }

.clip-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.clip-name {
  font-size: 0.85rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.clip-edit-video {
  display: none;
}

.clip-scrub { width: 100%; accent-color: var(--accent); }

.clip-trim-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.clip-trim-readout {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.clip-move-row { display: flex; gap: 0.35rem; }

.clip-error {
  font-size: 0.75rem;
  color: #ff8a8a;
}

/* Transitions */
.transition-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.25rem 0.75rem;
}
.transition-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}
.transition-choice { display: flex; gap: 0.3rem; }

/* Title card panel */
.title-card-panel {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
}
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
}
.toggle input { accent-color: var(--accent); width: 1rem; height: 1rem; }

.title-card-fields {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.6rem;
}
.title-card-fields[hidden] { display: none; }

input[type="text"] {
  background: #0f0c15;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  color: var(--text);
  font-size: 0.85rem;
  width: 100%;
}
input[type="text"]:focus { outline: 1px solid var(--accent); }

.field-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.field-row label { flex: none; }
.field-row input[type="range"] { flex: 1; accent-color: var(--accent); }
.field-row select {
  flex: 1;
  background: #0f0c15;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  color: var(--text);
  font-size: 0.8rem;
}

.title-swatches { display: flex; gap: 0.4rem; }
.title-swatch {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
}
.title-swatch.active { border-color: white; }

/* Music panel */
.music-panel {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 0.75rem;
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.music-panel h2 { font-size: 0.9rem; }
.music-hint-top { text-align: left; margin-top: -0.2rem; }
.music-tracks { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.music-volume-mode { display: flex; gap: 0.3rem; }

/* Preview */
.canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
#preview-canvas { width: 100%; height: 100%; display: block; }
.preview-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
  pointer-events: none;
}

.transport {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.transport input[type="range"] { flex: 1; accent-color: var(--accent); }
.time-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  flex: none;
}

.export-progress-wrap { display: flex; flex-direction: column; gap: 0.35rem; }
.export-progress-track {
  height: 6px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
}
.export-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transition: width 0.1s linear;
}
#export-progress-label { font-size: 0.75rem; color: var(--text-dim); }

.download-link {
  background: rgba(94, 255, 168, 0.12);
  border-color: rgba(94, 255, 168, 0.3);
  color: #8dffc2;
}

.hint { font-size: 0.75rem; color: var(--text-faint); text-align: center; }

.page-footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  font-size: 0.75rem;
  color: var(--text-faint);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}