/**
 * Storyboard Panel — Hardware Synthesizer Theme
 * Overrides storyboard-panel.css to match the warm cream/NeoBrutalism aesthetic.
 *
 * Loaded AFTER storyboard-panel.css in index.html, so equal-specificity rules
 * win on cascade order — no !important needed. Class names match the actual
 * HTML generated by storyboard-panel.js.
 */

/* ──── Design tokens ──── */
.storyboard-panel,
#storyboard-overlay {
  --sb-bg-panel:        #ede6d8;
  --sb-bg-panel-alt:    #e4dccf;
  --sb-bg-card:         #f0e8d0;
  --sb-bg-card-hover:   #ebe3c8;
  --sb-bg-card-strip:   #e8e0ca;
  --sb-bg-media:        #d8d0be;
  --sb-bg-button:       #d8d0c2;
  --sb-bg-button-hover: #cac2b2;

  --sb-ink:             #2e2418;
  --sb-ink-soft:        #4a3e30;
  --sb-ink-muted:       #8a7e6e;
  --sb-border-strong:   #7a6e5e;
  --sb-border-soft:     rgba(0, 0, 0, 0.1);

  --sb-accent-anchor:    #3dbdad;
  --sb-accent-anchor-d:  #2a9487;
  --sb-accent-character: #5a8ab8;
  --sb-accent-character-d: #3a5a88;
  --sb-accent-primary-bg: #d0d4e8;
  --sb-accent-primary-ink: #2a3068;

  --sb-radius:          2px;
  --sb-font-mono:       'Roboto Mono', monospace;
  --sb-font-display:    'Share Tech Mono', 'Roboto Mono', monospace;

  --sb-focus-ring:      var(--sb-accent-anchor);
}

/* ──── Overlay backdrop ──── */
#storyboard-overlay {
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
}

/* ──── Main Panel ──── */
.storyboard-panel {
  background: var(--sb-bg-panel);
  border: 2px solid var(--sb-border-strong);
  border-radius: 0;
  box-shadow: 4px 4px 0 var(--sb-border-strong), 0 8px 24px rgba(0,0,0,0.18);
  color: var(--sb-ink);
}

/* ──── Header ──── */
.storyboard-header {
  background: var(--sb-bg-panel-alt);
  border-bottom: 2px solid var(--sb-border-strong);
}

.storyboard-title,
#storyboard-title {
  color: var(--sb-ink);
  font-family: var(--sb-font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

.storyboard-header-meta,
#storyboard-meta {
  color: var(--sb-ink-muted);
  font-family: var(--sb-font-mono);
  font-size: 11px;
  letter-spacing: 0.5px;
}

#storyboard-close {
  background: none;
  border: 1px solid var(--sb-ink-muted);
  color: var(--sb-ink-muted);
  border-radius: var(--sb-radius);
  opacity: 1;
  font-size: 18px;
  transition: background 0.1s, color 0.1s;
}

#storyboard-close:hover {
  background: #d8d0c2;
  color: var(--sb-ink);
}

/* ──── Body ──── */
.storyboard-body {
  background: var(--sb-bg-panel);
}

.storyboard-body::-webkit-scrollbar        { width: 5px; }
.storyboard-body::-webkit-scrollbar-track  { background: var(--sb-bg-panel-alt); }
.storyboard-body::-webkit-scrollbar-thumb  { background: #b0a898; border-radius: 1px; }
.storyboard-body::-webkit-scrollbar-thumb:hover { background: var(--sb-ink-muted); }

/* ──── Anchors section ──── */
.storyboard-anchors {
  background: rgba(61, 189, 173, 0.07);
  border: 1px solid rgba(61, 189, 173, 0.25);
  border-left: 3px solid var(--sb-accent-anchor);
  border-radius: 0;
}

.storyboard-anchors-title {
  color: var(--sb-accent-anchor-d);
  font-family: var(--sb-font-display);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

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

.storyboard-anchor-chip {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--sb-radius);
}

.anchor-key {
  color: var(--sb-accent-anchor-d);
  font-family: var(--sb-font-mono);
  font-weight: 600;
}

.anchor-value {
  color: var(--sb-ink-soft);
  font-family: var(--sb-font-mono);
}

/* ──── Characters section ──── */
.storyboard-characters {
  background: rgba(90, 138, 184, 0.07);
  border: 1px solid rgba(90, 138, 184, 0.25);
  border-left: 3px solid var(--sb-accent-character);
  border-radius: 0;
}

.storyboard-characters-title {
  color: var(--sb-accent-character-d);
  font-family: var(--sb-font-display);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

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

.storyboard-character-chip {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--sb-radius);
}

.char-id {
  color: var(--sb-accent-character-d);
  font-family: var(--sb-font-mono);
  font-weight: 600;
}

.char-name {
  color: var(--sb-ink);
  font-weight: 600;
}

.char-anchors { color: var(--sb-ink-muted); }

/* ──── Act groups ──── */
.storyboard-act-group {
  border: 1px solid var(--sb-border-soft);
  border-radius: 0;
  overflow: visible;
}

.storyboard-act-header {
  background: var(--sb-bg-panel-alt);
  border-bottom: 1px solid var(--sb-border-soft);
}

.act-name {
  color: var(--sb-ink);
  font-family: var(--sb-font-display);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.act-beat-count {
  color: var(--sb-ink-muted);
  font-family: var(--sb-font-mono);
  font-size: 10px;
  letter-spacing: 1px;
}

/* ──── Beat grid ──── */
.storyboard-beat-grid { padding: 12px; gap: 12px; }

/* ──── Beat cards ──── */
.storyboard-beat-card {
  background: var(--sb-bg-card);
  border: 2px solid var(--sb-border-strong);
  border-radius: 0;
  box-shadow: 2px 2px 0 var(--sb-border-strong);
  color: var(--sb-ink);
  overflow: visible;
  transition: box-shadow 0.1s, transform 0.1s, border-color 0.1s;
}

.storyboard-beat-card:hover {
  background: var(--sb-bg-card-hover);
  border-color: var(--sb-accent-anchor);
  box-shadow: 2px 2px 0 var(--sb-accent-anchor);
}

/* Loading state — skeleton shimmer instead of opacity-only dim */
.storyboard-beat-card.beat-loading {
  position: relative;
  overflow: hidden;
}
.storyboard-beat-card.beat-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.45) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  background-size: 220% 100%;
  animation: sb-shimmer 1.4s linear infinite;
  pointer-events: none;
}

@keyframes sb-shimmer {
  from { background-position: 220% 0; }
  to   { background-position: -120% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .storyboard-beat-card.beat-loading::after {
    animation: none;
    background: rgba(255, 255, 255, 0.25);
  }
}

/* ── Beat card header strip ── */
.beat-card-header {
  background: var(--sb-bg-card-strip);
  border-bottom: 1px solid var(--sb-border-soft);
  padding: 6px 10px;
}

.beat-number {
  color: var(--sb-accent-anchor);
  font-family: 'VT323', monospace;
  font-size: 18px;
  font-weight: 700;
}

.beat-shot {
  color: var(--sb-ink-muted);
  background: rgba(0, 0, 0, 0.06);
  border-radius: var(--sb-radius);
  font-family: var(--sb-font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

/* ── Beat media placeholder ── */
.beat-card-media,
.beat-placeholder {
  background: var(--sb-bg-media);
}

.beat-placeholder-icon {
  opacity: 0.3;
  filter: grayscale(1);
}

/* ── Beat text fields ── */
.beat-card-purpose {
  color: var(--sb-ink-muted);
  font-family: var(--sb-font-mono);
  font-size: 10px;
  font-style: italic;
  padding: 5px 10px 0;
}

.beat-card-prompt {
  color: var(--sb-ink);
  font-family: var(--sb-font-mono);
  font-size: 11px;
  line-height: 1.45;
}

/* ── Narrative chip on card ── */
.beat-card-narrative {
  margin: 4px 10px 6px;
  padding: 5px 8px;
  background: rgba(90, 138, 184, 0.08);
  border-left: 2px solid var(--sb-accent-character);
  border-radius: var(--sb-radius);
  font-family: var(--sb-font-mono);
  color: var(--sb-ink);
}

.narrative-label {
  color: var(--sb-accent-character-d);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.narrative-text {
  color: var(--sb-ink);
  font-size: 11px;
  line-height: 1.4;
}

/* ── Character tags on card ── */
.beat-card-chars { padding: 0 10px 5px; }

.beat-char-tag {
  color: var(--sb-accent-character-d);
  background: rgba(90, 138, 184, 0.1);
  border: 1px solid rgba(90, 138, 184, 0.3);
  border-radius: var(--sb-radius);
  font-family: var(--sb-font-mono);
  font-size: 10px;
}

/* ── Beat action buttons ── */
.beat-card-actions {
  background: var(--sb-bg-card-strip);
  border-top: 1px solid var(--sb-border-soft);
  padding: 5px 8px;
  gap: 5px;
}

.beat-action-btn {
  background: var(--sb-bg-button);
  border: 1px solid #a09080;
  border-radius: var(--sb-radius);
  color: var(--sb-ink);
  font-size: 13px;
  padding: 3px 6px;
  transition: background 0.08s, border-color 0.08s, box-shadow 0.08s, transform 0.08s;
  cursor: pointer;
}

.beat-action-btn:hover {
  background: var(--sb-bg-button-hover);
  border-color: var(--sb-border-strong);
  box-shadow: 1px 1px 0 var(--sb-border-strong);
}

.beat-action-btn:active {
  transform: translate(1px, 1px);
  box-shadow: none;
}

.beat-action-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

/* ── Unified focus ring across the panel ── */
.storyboard-panel :focus-visible,
.storyboard-panel button:focus-visible,
.storyboard-panel a:focus-visible,
.storyboard-panel [tabindex]:focus-visible {
  outline: 2px solid var(--sb-focus-ring);
  outline-offset: 2px;
  box-shadow: none;
}

/* ──── Footer ──── */
.storyboard-footer {
  background: var(--sb-bg-panel-alt);
  border-top: 2px solid var(--sb-border-strong);
  padding: 12px 16px;
  gap: 10px;
}

.storyboard-btn {
  border-radius: 3px;
  font-family: var(--sb-font-display);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  padding: 10px 20px;
  transition: filter 0.08s, box-shadow 0.08s, transform 0.08s;
}

.storyboard-btn:active { transform: translate(2px, 2px); }

.storyboard-btn-primary {
  background: var(--sb-accent-primary-bg);
  color: var(--sb-accent-primary-ink);
  border: 2px solid var(--sb-accent-character);
  box-shadow: 3px 3px 0 var(--sb-accent-character);
}

.storyboard-btn-primary:hover { filter: brightness(0.95); }
.storyboard-btn-primary:active { box-shadow: none; }

.storyboard-btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.storyboard-btn-secondary {
  background: var(--sb-bg-button);
  color: #5a5048;
  border: 2px solid var(--sb-ink-muted);
  box-shadow: 2px 2px 0 var(--sb-ink-muted);
}

.storyboard-btn-secondary:hover { filter: brightness(0.95); }
.storyboard-btn-secondary:active { box-shadow: none; }