/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  font-weight: 500;
  transition: background 0.12s ease, border-color 0.12s ease, opacity 0.12s ease;
}
.btn:hover { background: var(--color-surface-2); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text);
}
.btn-ghost:hover { background: var(--color-surface-2); }
.btn-ghost-tiny {
  background: transparent;
  border-color: transparent;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.btn-ghost-tiny:hover { background: var(--color-surface-2); color: var(--color-text); }
.btn-danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
}
.btn-danger:hover { background: #b32f2f; border-color: #b32f2f; }
.btn-danger-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-danger);
}
.btn-danger-ghost:hover { background: var(--color-danger-soft); }
.btn-block { width: 100%; }

/* Badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge-chapter {
  background: #efeefb;
  color: #3a2cb8;
}
.badge-stage { background: #fff4dd; color: #8c5b00; }
.badge-prod { background: #dff5e3; color: #1e6e33; }

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.card-title { font-size: 14px; }
.card-actions { display: flex; gap: 8px; align-items: center; }
.card > textarea,
.card > .form-grid,
.card > .media-preview,
.card > .upload-row,
.card > .audio-row,
.card > .char-counter,
.card > .poi-list {
  margin: 14px 18px;
}
.card > textarea { width: calc(100% - 36px); }

/* Form grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-grid label { display: block; }
.form-grid label.full-row { grid-column: 1 / -1; }

/* Scene cards in sidebar */
.scene-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  margin-bottom: 8px;
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease;
}
.scene-card:hover { background: var(--color-surface-2); }
.scene-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}
.scene-card.dragging { opacity: 0.4; }
.scene-card .drag-handle {
  color: var(--color-text-muted);
  cursor: grab;
  user-select: none;
  font-size: 13px;
  letter-spacing: 1px;
}
.scene-card .drag-handle:active { cursor: grabbing; }
.scene-card .scene-info { flex: 1 1 auto; min-width: 0; }
.scene-card .scene-id {
  font-size: 11px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}
.scene-card .scene-title {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.scene-card .scene-meta {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* Chapter filter chips */
.chip {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-muted);
}
.chip:hover { background: var(--color-surface-2); color: var(--color-text); }
.chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* Media preview */
.media-preview {
  background: var(--color-bg);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius);
  padding: 12px;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}
.media-preview img {
  max-width: 100%;
  max-height: 240px;
  border-radius: var(--radius);
}
.media-preview video {
  max-width: 100%;
  max-height: 320px;
  border-radius: var(--radius);
}
.media-preview .file-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}

.upload-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.progress-text {
  font-size: 12px;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

/* Audio row */
.audio-row {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.audio-row audio {
  flex: 1 1 280px;
  min-width: 0;
}
.audio-row .audio-meta {
  font-size: 12px;
  color: var(--color-text-muted);
}
.audio-row.empty {
  font-size: 12px;
  color: var(--color-text-muted);
  font-style: italic;
}

.char-counter {
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: right;
}
.char-counter.over {
  color: var(--color-warning);
}

/* POI list */
.poi-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.poi-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}
.poi-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
}
.poi-card-header:hover { background: var(--color-surface-2); }
.poi-card .drag-handle {
  color: var(--color-text-muted);
  cursor: grab;
  user-select: none;
}
.poi-card .poi-id {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  min-width: 90px;
}
.poi-card .poi-title {
  flex: 1 1 auto;
  font-weight: 500;
  font-size: 13px;
}
.poi-card .poi-type-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  text-transform: uppercase;
}
.poi-card .poi-type-badge.video { background: #eef3ff; color: #2557c4; border-color: #c8d4ee; }
.poi-card.expanded .poi-card-body { display: block; }
.poi-card-body {
  display: none;
  padding: 12px 14px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.poi-card.dragging { opacity: 0.4; }

/* Modals */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(16, 24, 40, 0.45);
  display: grid;
  place-items: center;
  z-index: 1000;
}
.modal-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: min(560px, calc(100% - 32px));
  max-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.modal-card-sm { width: min(420px, calc(100% - 32px)); }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
}
.modal-body {
  padding: 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 18px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

/* Toast */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 18px;
  border-radius: var(--radius);
  background: #16181d;
  color: #fff;
  z-index: 2000;
  box-shadow: var(--shadow-md);
  font-size: 13px;
  max-width: 70vw;
}
#toast.error { background: var(--color-danger); }
#toast.success { background: var(--color-success); }