/* ——— Design: stage script × film credits (desktop-first) ——— */
:root {
  --font-script: "Courier New", Courier, monospace;
  --bg: #0d0d0d;
  --surface: #1a1a1a;
  --border: #2a2a2a;
  --text: #e8e6e3;
  --text-dim: #888;
  --accent: #8b7355;
  --accent-hover: #a68a66;
  --active: #6b5344;
  --range-track: #333;
  --range-thumb: #8b7355;

  /* Noir palette: sidebar + player bar only (black/white/grey) */
  --chrome-bg: #0a0a0a;
  --chrome-surface: #111;
  --chrome-active: #1f1f1f;
  --chrome-border: #2a2a2a;
  --chrome-border-emphasis: #444;
  --chrome-text: #e8e6e3;
  --chrome-text-dim: #6a6a6a;
  --chrome-text-active: #fff;
  --chrome-range-track: #2a2a2a;
  --chrome-range-thumb: #ccc;
  --chrome-btn-border: #444;
  --chrome-btn-hover: #1a1a1a;

  /* Timeline segment bands (Loop 1/2/3, Reset, Finale, Coda) — noir, pronounced */
  --segment-loop: #4a4540;
  --segment-reset: #383c44;
  --segment-finale: #4a4035;
  --segment-coda: #2c2e32;

  /* Animation timing — central place for tuning */
  --transition-stage: 2.5s;
  --transition-zone: 0.6s;
  --transition-splash: 1.2s;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-script);
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}

/* ——— Ensure hidden overlays never block clicks ——— */
.zone-picker[hidden],
#splash[hidden] {
  display: none !important;
  pointer-events: none !important;
  visibility: hidden !important;
}

/* ——— Splash (extensible) ——— */
.splash {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 100;
  pointer-events: none;
}

.splash-title {
  font-family: var(--font-script);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  letter-spacing: 0.2em;
  color: var(--text);
  animation: splash-fade 2s ease-in-out forwards;
}

@keyframes splash-fade {
  0%   { opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { opacity: 0; }
}

.splash.splash-done {
  animation: splash-out var(--transition-splash) ease-out forwards;
  pointer-events: none;
}

@keyframes splash-out {
  to { opacity: 0; visibility: hidden; }
}

/* ——— App views (zone picker vs main) ——— */
.app-view {
  opacity: 0;
  transition: opacity var(--transition-zone) ease;
}

.app-view.visible {
  opacity: 1;
}

/* Zone picker: first task — above splash when visible */
.zone-picker {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
  background: var(--bg);
}

.zone-picker-prompt {
  margin: 0;
  font-family: var(--font-script);
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.zone-picker-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  max-width: 40rem;
}

.zone-picker-list .zone-option {
  padding: 0.75rem 1.25rem;
  font-family: var(--font-script);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition-zone), border-color var(--transition-zone), color var(--transition-zone);
  letter-spacing: 0.05em;
}

.zone-picker-list .zone-option:hover {
  background: #252525;
  border-color: var(--accent);
  color: var(--text);
}

/* ——— App shell: sidebar | stage | player bar ——— */
.app-shell {
  display: grid;
  grid-template-rows: 1fr auto;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
  position: relative;
  z-index: 100;
  pointer-events: auto;
}

.app-shell[hidden] {
  display: none !important;
}

.app-shell .sidebar {
  grid-column: 1;
  grid-row: 1;
}

.app-shell .stage-container {
  grid-column: 2;
  grid-row: 1;
  min-height: 0;
}

.app-shell .player-bar {
  grid-column: 1 / -1;
  grid-row: 2;
}

.sidebar {
  background: var(--chrome-surface);
  border-right: 1px solid var(--chrome-border-emphasis);
  padding: 1.25rem 0;
  overflow-y: auto;
  position: relative;
  z-index: 2;
}

.sidebar-zone-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-zone-list .zone-nav-btn {
  display: block;
  width: 100%;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-script);
  font-size: 0.9rem;
  color: var(--chrome-text-dim);
  background: transparent;
  border: none;
  border-left: 3px solid transparent;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-zone), background var(--transition-zone), border-color var(--transition-zone);
  letter-spacing: 0.03em;
}

.sidebar-zone-list .zone-nav-btn:hover {
  color: var(--chrome-text);
  background: var(--chrome-active);
  border-left-color: var(--chrome-border-emphasis);
}

.sidebar-zone-list .zone-nav-btn.active {
  color: var(--chrome-text-active);
  background: var(--chrome-active);
  border-left-color: var(--chrome-text-active);
}

.stage-container {
  display: flex;
  flex-direction: column;
}

/* ——— Stage directions (centerpiece) ——— */
.stage-directions {
  position: relative;
  flex: 1;
  min-height: 280px;
  overflow: hidden;
}

/* Zone-level background: fit, never stretched; behind cue layers */
.stage-directions-bg.stage-bg-zone {
  position: absolute;
  inset: 0;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--bg);
  z-index: 0;
}

.stage-directions-bg.stage-bg-zone.hidden {
  background-image: none;
}

.stage-directions-bg.stage-bg-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--bg);
  transition: opacity var(--transition-stage) ease;
  z-index: 0;
  opacity: 0;
}

.stage-directions-bg.stage-bg-layer.visible {
  opacity: 1;
  z-index: 1;
}

.stage-directions-bg.stage-bg-layer.hidden {
  opacity: 0;
  z-index: 0;
}

.stage-directions-content {
  position: relative;
  z-index: 2;
  height: 100%;
  padding: 2rem 2.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 35%, transparent 70%);
}

/* Two layers for crossfade between cues (text + credits) */
.cues-layer {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 2.5rem;
  transition: opacity var(--transition-stage) ease;
  pointer-events: none;
}

.cues-layer.cues-layer-visible {
  opacity: 1;
  z-index: 2;
  pointer-events: auto;
}

.cues-layer.cues-layer-hidden {
  opacity: 0;
  z-index: 1;
}

.cues-layer .cue-credits {
  position: absolute;
  bottom: 1rem;
  left: 1.5rem;
  right: 1.5rem;
  z-index: 3;
}

.cues-panel {
  max-width: 42rem;
  min-height: 60px;
}

.cues-panel .cue-text,
.cues-panel .cue-text-paragraph,
.cues-panel .cues-placeholder {
  margin: 0 0 0.5em 0;
  font-family: var(--font-script);
  font-size: 1.05rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  transition: opacity var(--transition-stage) ease;
}

.cues-panel .cue-text-paragraph:last-child,
.cues-panel .cue-text:last-child {
  margin-bottom: 0;
}

.cues-placeholder {
  color: var(--text-dim);
  font-style: italic;
}

.cues-panel.cues-transition .cue-text,
.cues-panel.cues-transition .cue-text-paragraph {
  opacity: 0;
}

.cues-panel.cues-transition .cues-placeholder {
  opacity: 0;
}

.cues-panel.cues-fade-in .cue-text,
.cues-panel.cues-fade-in .cues-placeholder,
.cues-panel.cues-fade-in .cue-text-paragraph {
  opacity: 0;
  transition: opacity var(--transition-stage) ease;
}

.cues-panel.cues-fade-in.cues-fade-in-active .cue-text,
.cues-panel.cues-fade-in.cues-fade-in-active .cues-placeholder,
.cues-panel.cues-fade-in.cues-fade-in-active .cue-text-paragraph {
  opacity: 1;
}

/* Per-cue credits (song/image); placement flexible */
.cue-credits {
  position: absolute;
  bottom: 1rem;
  left: 1.5rem;
  right: 1.5rem;
  z-index: 3;
  font-family: var(--font-script);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  line-height: 1.5;
}

.cue-credits:empty {
  display: none;
}

.cue-credits .cue-credit-line {
  display: block;
}

/* ——— Player bar (bottom, full width) ——— */
.player-bar {
  padding: 1rem 1.5rem 1.25rem;
  background: var(--chrome-surface);
  border-top: 1px solid var(--chrome-border-emphasis);
}

.player-bar-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.play-pause-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  font-family: var(--font-script);
  font-size: 1.1rem;
  color: var(--chrome-text);
  background: var(--chrome-bg);
  border: 1px solid var(--chrome-btn-border);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition-zone), border-color var(--transition-zone), color var(--transition-zone);
  flex-shrink: 0;
}

.play-pause-btn:hover:not(:disabled) {
  background: var(--chrome-btn-hover);
  border-color: var(--chrome-text-dim);
}

.play-pause-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.play-pause-btn .play-pause-icon {
  margin-left: 2px;
}

.player-time {
  font-family: var(--font-script);
  font-variant-numeric: tabular-nums;
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  margin-right: 0.75rem;
  color: var(--chrome-text);
}

.player-loop {
  font-family: var(--font-script);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--chrome-text-active);
  padding: 0.4rem 0.75rem;
  background: var(--chrome-bg);
  border: 1px solid var(--chrome-border-emphasis);
  margin-right: 1rem;
  flex-shrink: 0;
}

.timeline-scroller-wrap {
  position: relative;
  flex: 1 1 0;
  min-width: 200px;
  margin: 0.5rem 0 0 1rem;
}

.scrub-tooltip {
  position: fixed;
  z-index: 10000;
  padding: 0.35rem 0.6rem;
  font-family: var(--font-script);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--chrome-text);
  background: var(--chrome-active);
  border: 1px solid var(--chrome-border-emphasis);
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.12s ease, visibility 0.12s ease;
}

.scrub-tooltip.visible {
  opacity: 1;
  visibility: visible;
}

.timeline-scroller {
  flex: 1 1 0;
  min-width: 0;
  width: 100%;
  height: 28px;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}

.timeline-scroller:focus {
  outline: none;
}

.timeline-scroller:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 2px var(--chrome-surface), 0 0 0 4px var(--chrome-text-dim);
}

.timeline-scroller:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 2px var(--chrome-surface), 0 0 0 4px var(--chrome-text-dim);
}

.timeline-scroller::-webkit-slider-runnable-track {
  height: 8px;
  background: linear-gradient(
    to right,
    var(--segment-loop) 0%,
    var(--segment-loop) 29.02%,
    var(--segment-reset) 29.02%,
    var(--segment-reset) 33.16%,
    var(--segment-loop) 33.16%,
    var(--segment-loop) 61.69%,
    var(--segment-reset) 61.69%,
    var(--segment-reset) 66.32%,
    var(--segment-loop) 66.32%,
    var(--segment-loop) 91.19%,
    var(--segment-finale) 91.19%,
    var(--segment-finale) 96.37%,
    var(--segment-coda) 96.37%,
    var(--segment-coda) 100%
  );
  border-radius: 4px;
}

.timeline-scroller::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  margin-top: -7px;
  background: var(--chrome-range-thumb);
  border-radius: 50%;
  cursor: grab;
  border: 2px solid var(--chrome-bg);
}

.timeline-scroller::-webkit-slider-thumb:active {
  cursor: grabbing;
}

.timeline-scroller::-moz-range-track {
  height: 8px;
  background: linear-gradient(
    to right,
    var(--segment-loop) 0%,
    var(--segment-loop) 29.02%,
    var(--segment-reset) 29.02%,
    var(--segment-reset) 33.16%,
    var(--segment-loop) 33.16%,
    var(--segment-loop) 61.69%,
    var(--segment-reset) 61.69%,
    var(--segment-reset) 66.32%,
    var(--segment-loop) 66.32%,
    var(--segment-loop) 91.19%,
    var(--segment-finale) 91.19%,
    var(--segment-finale) 96.37%,
    var(--segment-coda) 96.37%,
    var(--segment-coda) 100%
  );
  border-radius: 4px;
}

.timeline-scroller::-moz-range-thumb {
  width: 22px;
  height: 22px;
  background: var(--chrome-range-thumb);
  border-radius: 50%;
  cursor: grab;
  border: 2px solid var(--chrome-bg);
}

.timeline-scroller::-moz-range-thumb:active {
  cursor: grabbing;
}

.volume-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  min-width: 100px;
  margin-left: 1rem;
  padding-left: 1rem;
  border-left: 1px solid var(--chrome-border-emphasis);
}

.volume-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--chrome-text-dim);
  line-height: 1;
}

.volume-icon svg {
  display: block;
}

.volume-control {
  width: 80px;
  height: 20px;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}

.volume-control:focus {
  outline: none;
}

.volume-control:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 2px var(--chrome-surface), 0 0 0 4px var(--chrome-text-dim);
}

.volume-control:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 2px var(--chrome-surface), 0 0 0 4px var(--chrome-text-dim);
}

.volume-control::-webkit-slider-runnable-track {
  height: 6px;
  background: var(--chrome-range-track);
  border-radius: 3px;
}

.volume-control::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  margin-top: -5px;
  background: var(--chrome-range-thumb);
  border-radius: 50%;
  cursor: grab;
  border: 2px solid var(--chrome-bg);
}

.volume-control::-moz-range-track {
  height: 6px;
  background: var(--chrome-range-track);
  border-radius: 3px;
}

.volume-control::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--chrome-range-thumb);
  border-radius: 50%;
  cursor: grab;
  border: 2px solid var(--chrome-bg);
}

/* ——— Hecate rave easter egg: strobe overlay ——— */
.strobe-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: none;
}

.strobe-overlay.strobe-overlay-active {
  opacity: 1;
  visibility: visible;
  background: rgba(0, 0, 0, 0.92);
}

.strobe-overlay.strobe-overlay-active.strobe-flash {
  background: rgba(255, 255, 255, 0.9);
}

/* Text pulse (pre-drop): scale cue text to the beat */
.stage-directions.hecate-pulse-active {
  overflow: visible;
}

.stage-directions.hecate-pulse-active .cues-panel {
  transform: scale(var(--hecate-pulse-scale, 1));
  transform-origin: center center;
  transition: transform 0.06s ease-out;
}

.stage-directions.hecate-pulse-active .cues-panel .cue-text-paragraph,
.stage-directions.hecate-pulse-active .cues-panel .cue-text,
.stage-directions.hecate-pulse-active .cues-panel .cues-placeholder {
  transform: none;
}

.audio-container {
  position: absolute;
  left: -9999px;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* Sidebar toggle and backdrop: hidden on desktop, used only in mobile layout */
.sidebar-toggle {
  display: none;
}

.sidebar-backdrop {
  display: none;
}

/* ——— Mobile (viewport-based: max-width 768px) ——— */
@media (max-width: 768px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }

  .app-shell .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    z-index: 300;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    grid-column: unset;
    grid-row: unset;
  }

  .app-shell.drawer-open .sidebar {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 299;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  .app-shell.drawer-open .sidebar-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 10;
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem 0.75rem;
    font-family: var(--font-script);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    color: var(--chrome-text);
    background: var(--chrome-surface);
    border: 1px solid var(--chrome-border-emphasis);
    cursor: pointer;
    transition: background var(--transition-zone), border-color var(--transition-zone);
  }

  .sidebar-toggle:hover {
    background: var(--chrome-active);
    border-color: var(--chrome-text-dim);
  }

  .app-shell .stage-container {
    grid-column: 1;
    grid-row: 1;
    position: relative;
  }

  .stage-directions-content,
  .cues-layer {
    padding: 1.25rem 1rem;
  }

  .cue-credits {
    font-size: 0.7rem;
    left: 1rem;
    right: 1rem;
    bottom: 0.75rem;
  }

  .player-bar-inner {
    max-width: none;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .timeline-scroller-wrap {
    flex: 1 1 100%;
    min-width: 0;
    margin: 0.5rem 0 0 0;
    order: 10;
  }

  .volume-wrap {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
  }

  .zone-picker {
    padding: 1rem;
  }

  .zone-picker-prompt {
    font-size: 0.9rem;
  }
}