frontend/css/stage.css

/* =============================================================================
   Lightloom — stage.css · "La Sala" projection-room look & layout
   Built entirely on css/tokens.css. Warm darkness, amber projector glow.
   NEVER blue tech dark-mode. No frameworks, no build step.

   Sections:
     0. Reset & base       4. Lobby (S0) + projector beam
     1. Screens & geometry 5. The Set (S1): HUD, subtitles, stage-bar
     2. Global post-FX      6. The Slate (hero clapperboard) + mobile sheet
     3. Shared atoms        7. Theater / Showcase / About
        (pills, links)      8. Reduced motion + responsive/mobile
   ========================================================================== */

/* ---------- 0. Reset & base ------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden; /* screens manage their own scroll */
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

a {
  color: var(--amber);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 1. Screens & geometry ----------------------------------------- */
#app {
  position: fixed;
  inset: 0;
  overflow: hidden;
  /* A faint warm floor-glow so the room is never flat black. */
  background:
    radial-gradient(120% 80% at 50% 118%, rgba(232, 163, 61, 0.06), transparent 60%),
    var(--bg);
}

/* Each screen is a full-bleed layer; only .is-active is shown. We crossfade
   rather than hard-cut between screens (cinema, not tab-switch). */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--transition-ms) var(--ease),
    visibility 0s linear var(--transition-ms);
}

.screen.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition:
    opacity var(--transition-ms) var(--ease),
    visibility 0s;
}

.screen__heading {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.01em;
  margin: 0;
}

/* ---------- 2. Global post-FX (grain + vignette) -------------------------- */
/* These sit above all screens; pointer-events:none so they never block input.
   The animated film grain is a tiled SVG noise nudged every frame; the WebGL
   stage paints its own grain too, but this guarantees the whole ROOM grains. */
.fx {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
}

.fx--grain {
  opacity: var(--grain-opacity);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 160px 160px;
  animation: grain-shift 0.6s steps(4) infinite;
  will-change: transform;
}

@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-3%, 2%); }
  50% { transform: translate(2%, -4%); }
  75% { transform: translate(-2%, 3%); }
  100% { transform: translate(3%, -2%); }
}

/* Radial vignette ~12% (token --vignette) darkens the room edges. */
.fx--vignette {
  background: radial-gradient(
    120% 100% at 50% 45%,
    transparent 55%,
    rgba(0, 0, 0, calc(var(--vignette) * 4)) 100%
  );
}

/* ---------- 3. Shared atoms (pills, links, toast) ------------------------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.62em 1.05em;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(245, 239, 230, 0.04);
  color: var(--ink-dim);
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  line-height: 1;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease),
    background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.pill:hover {
  color: var(--ink);
  border-color: var(--amber-soft);
  background: var(--amber-soft);
}
.pill[aria-pressed="true"] {
  color: var(--amber);
  border-color: rgba(232, 163, 61, 0.4);
  box-shadow: var(--halo-soft);
}
.pill__icon,
.pill__flag {
  font-size: 0.95em;
  line-height: 1;
}

/* REC-accented call to action (Roll / Cut). */
.pill--rec {
  color: var(--ink);
  border-color: rgba(224, 68, 46, 0.5);
  background: rgba(224, 68, 46, 0.12);
}
.pill--rec:hover {
  border-color: var(--rec);
  background: rgba(224, 68, 46, 0.22);
  box-shadow: 0 0 20px rgba(224, 68, 46, 0.25);
}

.pill--lang {
  font-variant: tabular-nums;
  letter-spacing: 0.06em;
}
.pill--icon {
  padding: 0.5em 0.7em;
}

.ghostlink {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  background: none;
  border: none;
  color: var(--ink-faint);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  padding: 0.4em 0;
  transition: color 0.25s var(--ease);
}
.ghostlink:hover {
  color: var(--amber);
}

.linklike {
  background: none;
  border: none;
  padding: 0;
  color: var(--amber);
  font-size: inherit;
}
.linklike:hover {
  text-decoration: underline;
}

/* Soft-error toast: amber, slides up from bottom-center. */
.toast {
  position: fixed;
  left: 50%;
  bottom: 6vh;
  transform: translate(-50%, 1.2rem);
  z-index: 80;
  max-width: min(90vw, 30rem);
  padding: 0.85em 1.3em;
  border: 1px solid rgba(232, 163, 61, 0.45);
  border-radius: var(--r-pill);
  background: rgba(27, 18, 6, 0.92);
  color: var(--ink);
  box-shadow: var(--halo);
  font-size: 0.9rem;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- 4. Lobby (S0) + volumetric projector beam --------------------- */
#lobby {
  padding: clamp(1.2rem, 3vw, 2.4rem);
  text-align: center;
  z-index: 10;
}

.lobby__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
}

.brandmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: var(--tracking-title);
  color: var(--ink-dim);
}
.brandmark__dot {
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--rec);
  box-shadow: 0 0 10px rgba(224, 68, 46, 0.7);
}

/* Volumetric amber beam: a clipped cone from a top-right "lamp" sweeping down
   across the dim room. Layered cone + drifting dust + a glowing lamp source. */
.beam {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.beam__cone {
  position: absolute;
  top: -16%;
  right: -6%;
  width: 86%;
  height: 150%;
  /* The cone narrows toward the lamp (top-right) and widens to the screen. */
  background: conic-gradient(
    from 210deg at 96% 4%,
    transparent 0deg,
    rgba(232, 163, 61, 0.16) 14deg,
    rgba(232, 163, 61, 0.05) 30deg,
    transparent 44deg
  );
  filter: blur(6px);
  mix-blend-mode: screen;
  transform-origin: top right;
  animation: beam-breathe 7s var(--ease) infinite;
}
.beam__dust {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 70% 30%, rgba(245, 239, 230, 0.5), transparent 60%),
    radial-gradient(1px 1px at 60% 55%, rgba(245, 239, 230, 0.4), transparent 60%),
    radial-gradient(1.5px 1.5px at 80% 65%, rgba(232, 163, 61, 0.5), transparent 60%),
    radial-gradient(1px 1px at 52% 40%, rgba(245, 239, 230, 0.35), transparent 60%);
  mix-blend-mode: screen;
  opacity: 0.7;
  animation: dust-drift 16s linear infinite;
}
.beam__lamp {
  position: absolute;
  top: 2%;
  right: 3%;
  width: 4.2rem;
  height: 4.2rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 163, 61, 0.85), rgba(232, 163, 61, 0.12) 60%, transparent 72%);
  filter: blur(2px);
  mix-blend-mode: screen;
  animation: lamp-flicker 4.5s steps(8) infinite;
}

@keyframes beam-breathe {
  0%, 100% { opacity: 0.85; transform: rotate(0deg) scaleX(1); }
  50% { opacity: 1; transform: rotate(0.6deg) scaleX(1.03); }
}
@keyframes dust-drift {
  from { transform: translateY(0); }
  to { transform: translateY(-3%); }
}
@keyframes lamp-flicker {
  0%, 100% { opacity: 0.9; }
  40% { opacity: 1; }
  55% { opacity: 0.82; }
  70% { opacity: 0.97; }
}

.lobby__center {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2.4vh, 1.8rem);
  z-index: 2;
  max-width: 56rem;
  margin: 0 auto;
  width: 100%;
}

.title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(3.2rem, 11vw, 8.2rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  margin: 0;
  text-shadow: var(--halo);
}
.title__word--amber {
  color: var(--amber);
}

.tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.05rem, 2.5vw, 1.55rem);
  color: var(--ink-dim);
  margin: 0;
  max-width: 34ch;
}

/* The two doors. */
.doors {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.8rem, 2vw, 1.4rem);
  width: 100%;
  max-width: 42rem;
  margin-top: 0.4rem;
}
.door {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
  text-align: left;
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  background: linear-gradient(160deg, rgba(245, 239, 230, 0.05), rgba(245, 239, 230, 0.015));
  box-shadow: var(--panel-shadow);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}
.door:hover {
  transform: translateY(-3px);
  border-color: rgba(232, 163, 61, 0.45);
  box-shadow: var(--halo);
}
.door__icon {
  font-size: 1.7rem;
}
.door__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
}
.door__sub {
  font-size: 0.86rem;
  color: var(--ink-faint);
}

/* Recital composer. */
.recital {
  width: 100%;
  max-width: 42rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  background: rgba(10, 10, 12, 0.6);
  box-shadow: var(--panel-shadow);
}
.recital__label {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.recital__text {
  width: 100%;
  min-height: 8.5rem;
  resize: vertical;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(10, 10, 12, 0.7);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.6;
}
.recital__text:focus-visible {
  border-color: var(--amber);
  outline: none;
  box-shadow: var(--halo-soft);
}
.recital__cite {
  margin: 0;
  font-size: 0.76rem;
  color: var(--ink-faint);
}
.recital__actions {
  display: flex;
  justify-content: flex-end;
}

.lobby__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  z-index: 2;
  font-size: 0.78rem;
  color: var(--ink-faint);
}
.foot__ledger strong {
  color: var(--ink-dim);
  font-variant: tabular-nums;
}
.foot__links {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.foot__sep {
  color: var(--line);
}

/* ---------- 5. The Set (S1): stage, HUD, subtitles, stage-bar ------------- */
#set {
  display: grid;
  /* The stage spans full width; the slate floats over its right edge on
     desktop; controls sit on a bottom rail. */
  grid-template-rows: 1fr auto;
  padding: clamp(0.6rem, 1.6vw, 1.2rem);
  gap: clamp(0.6rem, 1.4vh, 1rem);
}

/* The 2.39:1 letterbox wrapper, centered. The black bars are the body bg, and
   the HUD lives in them. We size by available space and clamp to the aspect. */
.stage {
  position: relative;
  align-self: center;
  justify-self: center;
  width: min(100%, calc((100dvh - 9.5rem) * var(--aspect-film)));
  aspect-ratio: var(--aspect-film);
  max-height: calc(100dvh - 8.5rem);
  border-radius: 8px;
  overflow: hidden;
  background: #000;
  box-shadow: var(--halo), inset 0 0 120px rgba(0, 0, 0, 0.8);
}
.stage__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* HUD lives in the (effectively black) top/bottom regions of the stage. */
.hud {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-dim);
  z-index: 4;
  pointer-events: none;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.9);
}
.hud--top {
  top: 0;
  left: 0;
  right: 0;
  justify-content: space-between;
  padding: 0.7rem 1rem 0;
}
.hud__title {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: var(--tracking-title);
  color: var(--ink);
}
.hud__counter {
  font-variant: tabular-nums;
}
.hud--budget {
  bottom: 0;
  left: 0;
  padding: 0 1rem 0.7rem;
}
.hud__rec {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--rec);
  box-shadow: 0 0 8px rgba(224, 68, 46, 0.8);
  animation: rec-pulse 1.6s var(--ease) infinite;
}
@keyframes rec-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.78); }
}
.hud__budget-val {
  font-variant: tabular-nums;
}
/* JS adds .is-warning at 70% budget; the ledger turns amber. */
.hud--budget.is-warning {
  color: var(--amber);
}
.hud--budget.is-warning .hud__rec {
  background: var(--amber);
}

/* Subtitles: narrated words in Fraunces italic, AA-contrast scrim. */
.subtitles {
  position: absolute;
  left: 50%;
  bottom: 12%;
  transform: translateX(-50%);
  z-index: 5;
  width: min(82%, 46rem);
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1rem, 2.4vw, 1.6rem);
  line-height: 1.4;
  color: var(--ink);
  /* Layered text-shadow = readable over any frame without a hard box. */
  text-shadow:
    0 2px 10px rgba(0, 0, 0, 0.95),
    0 0 24px rgba(0, 0, 0, 0.8);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}
.subtitles.is-visible {
  opacity: 1;
}

/* Micro-stage bar: thin amber rail with chips that light up in sequence. */
.stage-bar {
  position: absolute;
  left: 50%;
  bottom: 3%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 0.4rem;
  padding: 0.35rem 0.5rem;
  border-radius: var(--r-pill);
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.stage-bar.is-active {
  opacity: 1;
}
.stage-bar__chip {
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  padding: 0.32em 0.7em;
  border-radius: var(--r-pill);
  color: var(--ink-faint);
  background: transparent;
  transition: color 0.3s var(--ease), background 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}
.stage-bar__chip.is-on {
  color: var(--bg);
  background: var(--amber);
  box-shadow: var(--halo-soft);
}
.stage-bar__chip.is-done {
  color: var(--amber);
}

/* Bottom control rail. */
.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding-bottom: env(safe-area-inset-bottom);
}

/* ---------- 6. The Slate (hero clapperboard) ------------------------------ */
/* On desktop the slate floats over the stage's right edge — a real prop in the
   room. Chalk-on-slate body with an amber accent and clapper sticks on top. */
.slate {
  position: absolute;
  top: clamp(0.8rem, 4vh, 3rem);
  right: clamp(0.8rem, 2vw, 2rem);
  z-index: 20;
  width: clamp(15rem, 22vw, 18.5rem);
  padding: 0.9rem 1.1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  /* Slate-stone gradient, warm not blue. */
  background:
    linear-gradient(165deg, rgba(34, 32, 30, 0.96), rgba(18, 17, 16, 0.97));
  box-shadow: var(--panel-shadow), inset 0 1px 0 rgba(245, 239, 230, 0.05);
  font-size: 0.82rem;
  /* Subtle chalk grain. */
  background-blend-mode: normal;
}
.slate__hinge {
  position: absolute;
  top: -6px;
  left: 1.1rem;
  right: 1.1rem;
  height: 6px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, #3a3631, #211f1c);
}
/* Diagonal clapper sticks — the unmistakable clapperboard silhouette. */
.slate__sticks {
  position: absolute;
  top: -6px;
  left: 1.1rem;
  right: 1.1rem;
  height: 1.05rem;
  display: flex;
  gap: 0;
  overflow: hidden;
  border-radius: 3px 3px 0 0;
  transform-origin: left center;
  transition: transform 0.35s var(--ease);
  background: repeating-linear-gradient(
    -55deg,
    var(--ink) 0 0.85rem,
    #1b1a18 0.85rem 1.7rem
  );
}
.slate__sticks span {
  display: none;
}
/* When the decision flips, JS toggles .is-clapping for a quick snap. */
.slate.is-clapping .slate__sticks {
  animation: clap 0.32s var(--ease);
}
@keyframes clap {
  0% { transform: rotate(-9deg); }
  55% { transform: rotate(2deg); }
  100% { transform: rotate(0deg); }
}

.slate__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 0.35rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(245, 239, 230, 0.16);
}
.slate__label {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
}
.slate__shot {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--amber);
  font-variant: tabular-nums;
}

/* The hero decision chip: a flip card. CONTINUITY (amber) <-> CUT (red). */
.slate__decision {
  display: flex;
  justify-content: center;
  margin: 0.8rem 0;
  perspective: 600px;
}
.decision-chip {
  position: relative;
  display: inline-block;
  min-width: 9.5rem;
  height: 2.5rem;
  transform-style: preserve-3d;
  transition: transform 0.45s var(--ease);
}
.decision-chip__face {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  backface-visibility: hidden;
}
/* Front face = CONTINUITY (amber). */
.decision-chip__face--front {
  color: var(--bg);
  background: var(--amber);
  box-shadow: 0 0 22px rgba(232, 163, 61, 0.4);
}
/* Back face = CUT (red), pre-rotated so the flip reveals it. */
.decision-chip__face--back {
  color: var(--ink);
  background: var(--rec);
  box-shadow: 0 0 22px rgba(224, 68, 46, 0.45);
  transform: rotateX(180deg);
}
/* JS sets data-decision="cut" to flip to the red CUT face. */
.decision-chip[data-decision="cut"] {
  transform: rotateX(180deg);
}

.slate__grid {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 0.7rem;
}
.slate__row {
  min-width: 0;
}
.slate__row--wide {
  grid-column: 1 / -1;
}
.slate__row dt {
  font-size: 0.56rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  margin-bottom: 0.12rem;
}
.slate__row dd {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink);
  /* Camera/scale read as crisp chalk. */
  font-family: var(--font-ui);
  font-weight: 500;
  overflow-wrap: anywhere;
}

.slate__palette {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.85rem;
}
.swatch {
  flex: 1;
  height: 1.4rem;
  border-radius: 5px;
  border: 1px solid rgba(245, 239, 230, 0.12);
  background: var(--line);
  transition: background 0.5s var(--ease);
}

.slate__translation {
  margin: 0.7rem 0 0;
  font-size: 0.74rem;
  font-style: italic;
  color: var(--ink-faint);
}

/* ---------- 7. Theater / Showcase / About --------------------------------- */
/* Theater: a red curtain that parts (1.2s) to reveal the film. */
#theater {
  align-items: center;
  justify-content: center;
}
.curtain {
  position: absolute;
  inset: 0;
  z-index: 30;
  pointer-events: none;
}
.curtain__half {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 52%;
  background:
    repeating-linear-gradient(90deg, rgba(0,0,0,0.28) 0 14px, transparent 14px 38px),
    linear-gradient(180deg, #7d1d16, #4a0f0b);
  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.6);
  transition: transform 1.2s var(--ease);
}
.curtain__half--left {
  left: 0;
  transform-origin: left;
}
.curtain__half--right {
  right: 0;
  transform-origin: right;
}
/* JS adds .is-open on #theater to part the curtain. */
#theater.is-open .curtain__half--left {
  transform: translateX(-101%);
}
#theater.is-open .curtain__half--right {
  transform: translateX(101%);
}

.theater__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  width: min(94%, 60rem);
  z-index: 5;
}
.theater__screen {
  width: 100%;
  aspect-ratio: var(--aspect-film);
  border-radius: 8px;
  background: #000;
  box-shadow: var(--halo);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.theater__placeholder {
  color: var(--ink-faint);
  font-family: var(--font-display);
  font-style: italic;
}
.theater__transport {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
}
.theater__note {
  margin: 0;
  font-size: 0.76rem;
  color: var(--ink-faint);
}

/* Showcase: grid of pre-rendered film cards, each visibly stamped. */
#showcase {
  padding: clamp(1.2rem, 3vw, 2.4rem);
  overflow-y: auto;
}
.showcase__banner {
  margin-bottom: 1.2rem;
  padding: 0.9rem 1.2rem;
  border: 1px solid rgba(232, 163, 61, 0.4);
  border-radius: var(--r-panel);
  background: var(--amber-soft);
  color: var(--ink);
  font-size: 0.92rem;
}
.showcase__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
}
.showcase__head .screen__heading {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}
.showcase__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1.2rem;
}
.film-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  overflow: hidden;
  background: rgba(245, 239, 230, 0.03);
  box-shadow: var(--panel-shadow);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.film-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--halo);
}
.film-card__thumb {
  aspect-ratio: var(--aspect-film);
  background:
    radial-gradient(80% 120% at 70% 20%, var(--amber-soft), transparent 60%),
    linear-gradient(160deg, #161821, #0c0d10);
}
.film-card__stamp {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  padding: 0.28em 0.7em;
  border: 1px solid rgba(232, 163, 61, 0.6);
  border-radius: var(--r-pill);
  background: rgba(10, 10, 12, 0.7);
  color: var(--amber);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  transform: rotate(-3deg);
}
.film-card__title {
  margin: 0.8rem 1rem 0.2rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.film-card__src {
  margin: 0 1rem 1rem;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

/* About: a centered overlay panel above a dimmed room. */
.screen--overlay {
  background: rgba(6, 6, 8, 0.78);
  backdrop-filter: blur(8px);
  z-index: 60;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2.5rem);
}
.about__panel {
  width: min(94%, 44rem);
  max-height: 86dvh;
  overflow-y: auto;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  background: linear-gradient(165deg, rgba(20, 19, 22, 0.98), rgba(12, 12, 14, 0.98));
  box-shadow: var(--halo);
}
.about__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.about__head .screen__heading {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
}
.about__intro {
  font-size: 0.92rem;
  color: var(--ink-dim);
  margin: 0 0 1.2rem;
}
.about__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.about__table th,
.about__table td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--line);
}
.about__table th {
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.about__table tfoot td {
  border-bottom: none;
  color: var(--amber);
  font-variant: tabular-nums;
}
.about__engine {
  margin: 1.2rem 0 0;
  font-size: 0.88rem;
  color: var(--ink-dim);
}

/* ---------- 8. Reduced motion --------------------------------------------- */
/* Triggered by body.reduced-motion (manual toggle) OR prefers-reduced-motion.
   Kills the grain shimmer, beam breathing, dust drift, REC pulse, chip flip
   animation timing — crossfade-only, static grain. (Parallax k=0 is handled
   in the WebGL stage module via the same body class.) */
body.reduced-motion .fx--grain {
  animation: none;
}
body.reduced-motion .beam__cone,
body.reduced-motion .beam__dust,
body.reduced-motion .beam__lamp,
body.reduced-motion .hud__rec {
  animation: none;
}
body.reduced-motion .decision-chip,
body.reduced-motion .slate__sticks {
  transition-duration: 0.18s;
}
body.reduced-motion .slate.is-clapping .slate__sticks {
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  .fx--grain,
  .beam__cone,
  .beam__dust,
  .beam__lamp,
  .hud__rec {
    animation: none;
  }
}

/* ---------- 8b. Responsive / mobile --------------------------------------- */
@media (max-width: 860px) {
  .doors {
    grid-template-columns: 1fr;
  }

  /* Mobile letterbox switches to 16:9. */
  .stage,
  .theater__screen,
  .film-card__thumb {
    --aspect-film: var(--aspect-film-mobile);
  }
  .stage {
    width: 100%;
    max-height: calc(100dvh - 12rem);
  }

  /* The slate becomes a bottom sheet docked under the stage. */
  #set {
    grid-template-rows: 1fr auto auto;
  }
  .slate {
    position: static;
    width: 100%;
    order: 2;
    border-radius: var(--r-panel) var(--r-panel) 0 0;
    /* Sheet handle look. */
    border-bottom: none;
  }
  .slate__decision {
    margin: 0.6rem 0;
  }
  .controls {
    order: 3;
  }

  .subtitles {
    bottom: 16%;
    font-size: 1.05rem;
  }
  .hud {
    font-size: 0.62rem;
    letter-spacing: 0.1em;
  }
  .lobby__foot {
    justify-content: center;
    text-align: center;
  }
}

/* Very narrow phones: tighten the control rail so it never wraps awkwardly. */
@media (max-width: 480px) {
  .controls .pill span:not(.pill__icon):not(.pill__flag):not(.pill__lang) {
    display: none; /* icon-only controls; lang pill keeps its label */
  }
  .pill--rec span:not(.pill__icon) {
    display: inline; /* keep the primary CTA labeled */
  }
}