* {
  box-sizing: border-box;
}

:root {
  --bg-color: #050b14;
  --text-color: #eaf6ff;
  --text-muted: #a7bdd1;
  --text-dim: #6b8199;
  --panel-bg: rgba(8, 18, 28, 0.55);
  --panel-border: rgba(255, 255, 255, 0.1);
  --badge-bg: rgba(10, 22, 34, 0.6);
  --input-bg: rgba(255, 255, 255, 0.06);
  --input-border: rgba(255, 255, 255, 0.15);
  --card-bg: rgba(10, 22, 34, 0.7);
  --track-bg: rgba(255, 255, 255, 0.04);
  --accent: #3b9dff;
  --accent-2: #34e89e;
}

:root[data-theme="light"] {
  --bg-color: #eef3f8;
  --text-color: #10202f;
  --text-muted: #4a6478;
  --text-dim: #6f8296;
  --panel-bg: rgba(255, 255, 255, 0.65);
  --panel-border: rgba(10, 30, 45, 0.1);
  --badge-bg: rgba(255, 255, 255, 0.7);
  --input-bg: rgba(10, 30, 45, 0.05);
  --input-border: rgba(10, 30, 45, 0.15);
  --card-bg: rgba(255, 255, 255, 0.75);
  --track-bg: rgba(10, 30, 45, 0.035);
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-color) url('images/background.png') center / cover no-repeat fixed;
  color: var(--text-color);
  transition: background-color 0.2s ease, color 0.2s ease;
  padding-bottom: 3rem;
}

.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* --- Top bar --- */
#topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: var(--badge-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--panel-border);
}

#back-link {
  background: var(--input-bg);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  color: var(--text-color);
  text-decoration: none;
  flex: 0 0 auto;
}

#topbar-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  min-width: 0;
}

.logo-small {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  flex: 0 0 auto;
}

#topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
}

.icon-btn {
  background: var(--input-bg);
  color: var(--text-color);
  border: 1px solid var(--panel-border);
  width: 2.3rem;
  height: 2.3rem;
  padding: 0;
  border-radius: 999px;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  filter: brightness(1.1);
}

/* --- Layout --- */
#editor {
  max-width: 920px;
  margin: 0 auto;
  padding: 1rem 0.9rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.load-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.spinner-small {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 2px solid var(--panel-border);
  border-top-color: #3b9dff;
  animation: spin 0.9s linear infinite;
}

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

.error {
  color: #ff6b6b;
  font-size: 0.85rem;
  text-align: center;
  margin: 0;
}

#workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.panel h2 {
  margin: 0;
  font-size: 1.05rem;
}

.hint {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.78rem;
}

button {
  padding: 0.6rem 1rem;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #34e89e, #3b9dff);
  color: #04121c;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

button:disabled {
  opacity: 0.55;
  cursor: default;
  filter: none;
}

button.primary {
  padding: 0.5rem 1.1rem;
}

input, select {
  font-family: inherit;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  font-size: 0.9rem;
  background: var(--input-bg);
  color: var(--text-color);
}

input::placeholder { color: var(--text-dim); }
input:focus, select:focus { outline: none; border-color: var(--accent); }
input[type="color"] { padding: 0.2rem; width: 2.6rem; height: 2.4rem; }

/* --- Preview --- */
#preview-stage {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

#preview-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
}

#preview-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.preview-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  pointer-events: none;
}

#caption-layer {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 4% 4%;
  pointer-events: none;
}

.caption-slot {
  text-align: center;
  font-weight: 700;
  font-size: clamp(0.8rem, 3.4vw, 1.6rem);
  line-height: 1.25;
  color: #fff;
  text-shadow: 0 0 6px rgba(0,0,0,0.9), 0 0 2px rgba(0,0,0,0.9), 0 1px 3px rgba(0,0,0,0.9);
  white-space: pre-wrap;
}

#caption-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 auto;
}

#transport {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#time-readout {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

/* --- Toolbar --- */
#toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tool-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text-color);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  flex: 1 1 auto;
  text-align: center;
}

.tool-btn:hover {
  filter: brightness(1.12);
}

.tool-btn.danger {
  color: #ff6b6b;
  border-color: rgba(255, 107, 107, 0.4);
}

/* --- Timeline --- */
#timeline-wrap {
  overflow-x: auto;
  overflow-y: hidden;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  backdrop-filter: blur(16px);
  padding: 0.6rem 0.6rem 0.75rem;
  -webkit-overflow-scrolling: touch;
}

#timeline-inner {
  position: relative;
  min-width: 100%;
}

#ruler {
  position: relative;
  height: 18px;
  margin-bottom: 0.35rem;
}

.ruler-tick {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: flex-end;
  font-size: 0.65rem;
  color: var(--text-dim);
  border-left: 1px solid var(--panel-border);
  padding-left: 3px;
  white-space: nowrap;
  pointer-events: none;
}

.track {
  position: relative;
  height: 56px;
  border-radius: 8px;
  background: var(--track-bg);
  margin-bottom: 0.4rem;
  min-width: 60px;
}

#track-titles {
  height: 34px;
}

#track-music {
  height: 34px;
}

.clip-block {
  position: absolute;
  top: 3px;
  bottom: 3px;
  border-radius: 7px;
  overflow: hidden;
  border: 2px solid rgba(255,255,255,0.12);
  background: #111 repeat-x center / auto 100%;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.clip-block.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.clip-block .clip-label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 2px 5px;
  font-size: 0.68rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.trim-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 10px;
  cursor: ew-resize;
  background: rgba(255,255,255,0.18);
  touch-action: none;
}

.trim-handle.left { left: 0; border-radius: 6px 0 0 6px; }
.trim-handle.right { right: 0; border-radius: 0 6px 6px 0; }

.title-block {
  position: absolute;
  top: 3px;
  bottom: 3px;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(52, 232, 158, 0.35), rgba(59, 157, 255, 0.35));
  border: 2px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  padding: 0 6px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.title-block.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.music-block {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 0;
  border-radius: 6px;
  background: repeating-linear-gradient(90deg, rgba(255,196,0,0.35) 0 6px, rgba(255,196,0,0.2) 6px 12px);
  border: 2px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  padding: 0 6px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

.music-block.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.track-empty-hint {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 0.72rem;
  pointer-events: none;
  white-space: nowrap;
}

#playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #ff5566;
  z-index: 5;
  cursor: ew-resize;
  touch-action: none;
}

.playhead-grip {
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: #ff5566;
}

/* --- Inspector --- */
#inspector-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.field-row label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.field-row input[type="number"] {
  width: 4.5rem;
}

.field-row input[type="text"] {
  flex: 1 1 160px;
}

.field-row input[type="range"] {
  flex: 1 1 120px;
}

/* --- Render / result --- */
.render-progress {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}

.progress-track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(127, 127, 127, 0.25);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, #34e89e, #3b9dff);
  transition: width 0.25s ease;
}

#render-status {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

#result-video {
  width: 100%;
  border-radius: 10px;
  background: #000;
  max-height: 60vh;
}

.result-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.result-actions button {
  flex: 1 1 auto;
}

/* --- Publish to Scorpture modal (same bottom-sheet/center pattern as the music picker) --- */
#scorpture-publish-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(2, 6, 12, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

#scorpture-publish-modal {
  width: 100%;
  max-width: 420px;
  background: var(--bg-color);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 1rem 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

#scorpture-title-input, #scorpture-description-input {
  width: 100%;
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: var(--bg-color);
  color: inherit;
  font-family: inherit;
  font-size: 0.92rem;
}

#scorpture-description-input { resize: vertical; min-height: 70px; }

/* --- Music picker modal --- */
#music-picker-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(2, 6, 12, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
}

@media (min-width: 640px) {
  #music-picker-overlay {
    align-items: center;
    padding: 1rem;
  }
}

#music-picker {
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--bg-color);
  border: 1px solid var(--panel-border);
  border-radius: 16px 16px 0 0;
  padding: 1rem 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  #music-picker {
    border-radius: 16px;
  }
}

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

.music-picker-header h2 {
  margin: 0;
  font-size: 1.1rem;
}

#song-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.song-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--card-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
}

.song-play-btn {
  flex: 0 0 auto;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  padding: 0;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.song-info {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.song-name {
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-mood {
  color: var(--text-dim);
  font-size: 0.75rem;
}

.song-use-btn {
  flex: 0 0 auto;
  font-size: 0.82rem;
  padding: 0.5rem 0.8rem;
}

#upload-own-label {
  display: block;
}