/* ────────────────────────────────────────────────────────────────
   Storyboard Panel — Styles
   Bespoke-beat story template storyboard grid overlay.
   ──────────────────────────────────────────────────────────────── */

/* ── Panel overlay ─────────────────────────────────────────────── */
#storyboard-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
}

#storyboard-overlay.is-open {
  display: flex;
  animation: sb-fade-in 0.2s ease-out;
}

/* Honor the [hidden] attribute even though display:flex would otherwise win */
#storyboard-overlay[hidden] {
  display: none;
}

@keyframes sb-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.storyboard-panel {
  width: 94vw;
  max-width: 1400px;
  max-height: 90vh;
  background: linear-gradient(135deg, #0f1419 0%, #1a2332 50%, #0f1419 100%);
  border: 1px solid rgba(100, 180, 255, 0.15);
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6),
              0 0 80px rgba(59, 130, 246, 0.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: sb-slide-up 0.25s ease-out;
}

@keyframes sb-slide-up {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ── Header ────────────────────────────────────────────────────── */
.storyboard-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(100, 180, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
}

.storyboard-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: #e2e8f0;
  letter-spacing: -0.02em;
}

.storyboard-header-meta {
  font-size: 12px;
  color: #64748b;
  flex: 1;
  text-align: right;
}

/* ── Body (scrollable) ─────────────────────────────────────────── */
.storyboard-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.storyboard-body::-webkit-scrollbar { width: 6px; }
.storyboard-body::-webkit-scrollbar-track { background: transparent; }
.storyboard-body::-webkit-scrollbar-thumb {
  background: rgba(100, 180, 255, 0.2);
  border-radius: 3px;
}

/* ── Anchors summary ───────────────────────────────────────────── */
.storyboard-anchors {
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: 10px;
  padding: 12px 16px;
}

.storyboard-anchors-title {
  font-size: 13px;
  font-weight: 600;
  color: #93c5fd;
  margin-bottom: 8px;
}

.storyboard-anchors-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.storyboard-anchor-chip {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(100, 180, 255, 0.1);
  border-radius: 6px;
  padding: 6px 10px;
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-size: 12px;
  max-width: 400px;
}

.anchor-key {
  color: #60a5fa;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 11px;
  white-space: nowrap;
}

.anchor-value {
  color: #94a3b8;
  line-height: 1.3;
}

/* ── Characters summary ────────────────────────────────────────── */
.storyboard-characters {
  background: rgba(139, 92, 246, 0.06);
  border: 1px solid rgba(139, 92, 246, 0.12);
  border-radius: 10px;
  padding: 12px 16px;
}

.storyboard-characters-title {
  font-size: 13px;
  font-weight: 600;
  color: #c4b5fd;
  margin-bottom: 8px;
}

.storyboard-characters-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.storyboard-character-chip {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: 6px;
  padding: 6px 10px;
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-size: 12px;
  max-width: 400px;
}

.char-id {
  color: #a78bfa;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 11px;
  white-space: nowrap;
}

.char-name {
  color: #e2e8f0;
  font-weight: 500;
}

.char-anchors {
  color: #64748b;
  line-height: 1.3;
}

/* ── Act groups ────────────────────────────────────────────────── */
.storyboard-act-group {
  border: 1px solid rgba(100, 180, 255, 0.08);
  border-radius: 12px;
  overflow: hidden;
}

.storyboard-act-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(100, 180, 255, 0.04);
  border-bottom: 1px solid rgba(100, 180, 255, 0.06);
}

.act-name {
  font-size: 14px;
  font-weight: 600;
  color: #93c5fd;
  letter-spacing: -0.01em;
}

.act-beat-count {
  font-size: 11px;
  color: #64748b;
}

/* ── Beat grid ─────────────────────────────────────────────────── */
.storyboard-beat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  padding: 12px;
}

/* ── Beat card ─────────────────────────────────────────────────── */
.storyboard-beat-card {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(100, 180, 255, 0.08);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.storyboard-beat-card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
  transform: translateY(-1px);
}

.storyboard-beat-card.beat-loading {
  opacity: 0.6;
  pointer-events: none;
}

.storyboard-beat-card.beat-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
  animation: sb-shimmer 1.5s infinite;
}

@keyframes sb-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.beat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: rgba(59, 130, 246, 0.04);
  border-bottom: 1px solid rgba(100, 180, 255, 0.05);
}

.beat-number {
  font-size: 13px;
  font-weight: 700;
  color: #60a5fa;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.beat-shot {
  font-size: 11px;
  color: #94a3b8;
  background: rgba(100, 180, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ── Beat media area ───────────────────────────────────────────── */
.beat-card-media {
  position: relative;
  aspect-ratio: 16/9;
  background: rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.beat-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(30, 40, 60, 0.8) 0%, rgba(15, 23, 42, 0.8) 100%);
}

.beat-placeholder-icon {
  font-size: 32px;
  opacity: 0.15;
}

.beat-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.beat-video-badge {
  position: absolute;
  bottom: 6px;
  right: 6px;
  background: rgba(16, 185, 129, 0.9);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

/* ── Beat card text ────────────────────────────────────────────── */
.beat-card-purpose {
  padding: 6px 10px 0;
  font-size: 11px;
  font-weight: 500;
  color: #94a3b8;
  line-height: 1.3;
  min-height: 16px;
}

.beat-card-prompt {
  padding: 4px 10px 6px;
  font-size: 11px;
  color: #64748b;
  line-height: 1.4;
  flex: 1;
}

.beat-card-narrative {
  margin: 0 10px 6px;
  padding: 6px 8px;
  font-size: 11px;
  line-height: 1.4;
  color: #c4b5fd;
  background: rgba(139, 92, 246, 0.08);
  border-left: 2px solid rgba(139, 92, 246, 0.45);
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.narrative-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #a78bfa;
  text-transform: uppercase;
}

.narrative-text {
  color: #cbd5e1;
}

.beat-card-chars {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0 10px 6px;
}

.beat-char-tag {
  font-size: 10px;
  color: #a78bfa;
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.15);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ── Beat card actions ─────────────────────────────────────────── */
.beat-card-actions {
  display: flex;
  gap: 4px;
  padding: 6px 8px;
  border-top: 1px solid rgba(100, 180, 255, 0.05);
  background: rgba(0, 0, 0, 0.15);
}

.beat-action-btn {
  flex: 1;
  background: rgba(100, 180, 255, 0.04);
  border: 1px solid rgba(100, 180, 255, 0.08);
  border-radius: 5px;
  padding: 4px 0;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  text-align: center;
  line-height: 1;
}

.beat-action-btn:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.25);
}

.beat-action-btn:active {
  transform: scale(0.95);
}

/* ── Footer ────────────────────────────────────────────────────── */
.storyboard-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 20px;
  border-top: 1px solid rgba(100, 180, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
}

.storyboard-btn {
  padding: 8px 18px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.storyboard-btn:active {
  transform: scale(0.97);
}

.storyboard-btn-secondary {
  background: rgba(100, 180, 255, 0.08);
  color: #93c5fd;
  border: 1px solid rgba(100, 180, 255, 0.15);
}

.storyboard-btn-secondary:hover {
  background: rgba(100, 180, 255, 0.14);
}

.storyboard-btn-primary {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #fff;
}

.storyboard-btn-primary:hover {
  background: linear-gradient(135deg, #60a5fa, #818cf8);
}

.storyboard-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Open Storyboard toolbar button ────────────────────────────── */
.storyboard-open-btn {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: #93c5fd;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.1s;
  letter-spacing: -0.01em;
}

.storyboard-open-btn:hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(139, 92, 246, 0.18));
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .storyboard-panel {
    width: 100vw;
    max-height: 100vh;
    border-radius: 0;
  }
  .storyboard-beat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 8px;
  }
}

@media (max-width: 480px) {
  .storyboard-beat-grid {
    grid-template-columns: 1fr;
  }
}