/* ===================================================================
   Mukodi × Government of Tamil Nadu — Use-Case Film
   Film stylesheet — dark "photo-negative" Mukodi variant.
   Loads after mukodi/colors_and_type.css (tokens + @font-face).
   =================================================================== */

:root {
  /* Film-local palette — the dark Mukodi variant on deep navy */
  --film-navy:       #0E1B2C;   /* canonical --ink */
  --film-navy-deep:  #081120;   /* deeper letterbox / vignette */
  --film-navy-2:     #13243A;   /* lifted surface card */
  --film-navy-3:     #18304B;   /* inner card */
  --film-ivory:      #F7F1E3;
  --film-ivory-soft: rgba(247, 241, 227, 0.74);
  --film-ivory-mute: rgba(247, 241, 227, 0.48);
  --film-ivory-faint:rgba(247, 241, 227, 0.16);
  --film-saffron:    #E85D1F;
  --film-saffron-2:  #F2873F;   /* brighter on navy */
  --film-saffron-soft: rgba(232, 93, 31, 0.16);
  --film-brass:      #D9B45A;   /* legible kicker on navy */
  --film-sage:       #93A684;
  --film-vermilion:  #D24A38;
  --film-rule:       rgba(247, 241, 227, 0.14);
  --film-rule-strong:rgba(247, 241, 227, 0.26);
  --film-good:       #6FB07A;

  --film-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #000;
  overflow: hidden;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

#root { height: 100%; }

/* ---- Film root / letterbox stage ---------------------------------- */
.film-root {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(140% 120% at 50% 0%, #0c1a2b 0%, #081120 78%, #050b14 100%);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  cursor: default;
}
.film-root.cursor-hidden { cursor: none; }

.stage-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1920px;
  height: 1080px;
  transform-origin: center center;
  will-change: transform;
  /* JS sets transform: translate(-50%,-50%) scale(N) — absolute centering
     so the 1920px stage can never be shrunk by a flex parent (which would
     clip the canvas on the right). */
}

/* The 1920x1080 canvas every scene draws on */
.canvas {
  position: absolute;
  inset: 0;
  width: 1920px;
  height: 1080px;
  background:
    radial-gradient(120% 130% at 18% 8%, #16263c 0%, #0e1b2c 46%, #0a1525 100%);
  color: var(--film-ivory);
  font-family: var(--font-body);
  overflow: hidden;
  border-radius: 2px;
}

/* Paper grain + vignette overlays (ambient, decorative).
   Kept cheap for long video exports: normal blend (not soft-light, which
   forces a full-canvas recomposite every frame) and a gradient vignette
   (not a 240px inset box-shadow, which is an expensive per-frame repaint). */
.canvas::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: var(--paper-grain);
  opacity: 0.06;
  z-index: 60;
}
.vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 55;
  background: radial-gradient(120% 120% at 50% 46%, transparent 48%, rgba(5,11,20,0.42) 82%, rgba(5,11,20,0.66) 100%);
}

/* ---- Scene base --------------------------------------------------- */
.scene {
  position: absolute;
  inset: 0;
  z-index: 10;
}
.scene-pad {
  position: absolute;
  inset: 0;
  padding: 92px 116px;
}

/* ---- Typographic helpers ------------------------------------------ */
.fkicker {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--film-brass);
  margin: 0;
}
.fkicker .dot { color: var(--film-saffron-2); }

.ftitle {
  font-family: var(--font-display);
  font-weight: 700;
  font-variation-settings: "SOFT" 50, "WONK" 1;
  letter-spacing: -0.015em;
  line-height: 1.02;
  color: var(--film-ivory);
  margin: 0;
}
.ftamil {
  font-family: var(--font-tamil);
  font-weight: 600;
  color: var(--film-saffron-2);
  letter-spacing: 0;
  line-height: 1.3;
  margin: 0;
}
.fserif-it {
  font-family: var(--font-display);
  font-style: italic;
  font-variation-settings: "SOFT" 60, "WONK" 1;
  color: var(--film-ivory);
}
.fbody {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--film-ivory-soft);
  line-height: 1.5;
  margin: 0;
}
.fmono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--film-ivory-soft);
  font-feature-settings: "tnum" on;
}
.flabel {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--film-ivory-mute);
}
.amber { color: var(--film-saffron-2); }
.ivory { color: var(--film-ivory); }

/* ---- Group-beat spine (scenes 3–10) -------------------------------- */
.beat {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 0.92fr 1fr;
  gap: 64px;
  padding: 96px 162px 124px;
  align-content: center;
}
.beat-left { align-self: center; min-width: 0; }
.beat-num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 30px;
  color: var(--film-saffron-2);
  letter-spacing: 0.04em;
}
.beat-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-variation-settings: "SOFT" 50, "WONK" 1;
  font-size: 104px;
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 14px 0 6px;
  color: var(--film-ivory);
}
.beat-tamil { font-size: 40px; margin-bottom: 30px; }

.scheme-list { display: flex; flex-direction: column; gap: 13px; margin-top: 6px; }
.scheme-chip {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--font-body);
  font-size: 24px;
  line-height: 1.32;
  color: var(--film-ivory);
}
.scheme-chip .tick {
  flex: none;
  width: 9px; height: 9px;
  margin-top: 11px;
  border-radius: 50%;
  background: var(--film-saffron);
}
.scheme-chip .fig { color: var(--film-saffron-2); font-weight: 600; font-family: var(--font-mono); font-size: 22px; letter-spacing: 0.01em; }

.dept-line {
  margin-top: 34px;
  display: block;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--film-ivory-mute);
  max-width: 46ch;
}
.dept-line .k { display: block; color: var(--film-brass); text-transform: uppercase; letter-spacing: 0.18em; font-size: 14px; margin-bottom: 7px; }
.dept-line .v { display: block; }

/* ---- The Mukodi assist panel -------------------------------------- */
.beat-right { align-self: center; min-width: 0; }
.panel {
  position: relative;
  background: linear-gradient(180deg, var(--film-navy-2) 0%, #101f33 100%);
  border: 1px solid var(--film-rule-strong);
  border-radius: 14px;
  box-shadow: 0 1px 0 rgba(247,241,227,0.04), 0 26px 60px -36px rgba(0,0,0,0.8);
  overflow: hidden;
}
.panel-head {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 12px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--film-rule);
  background: rgba(247,241,227,0.02);
}
.panel-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--film-saffron); flex: none; }
.panel-title { font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--film-ivory-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1 1 auto; min-width: 0; }
.panel-body { padding: 28px 30px 30px; }

.assist-line {
  margin-top: 28px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 25px;
  line-height: 1.3;
  color: var(--film-ivory);
  letter-spacing: -0.005em;
  max-width: 100%;
}
.assist-line .lead {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--film-saffron-2);
  display: block;
  margin-bottom: 12px;
}

/* "Illustrative example" tag */
.illus {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  flex: none;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--film-ivory-mute);
  border: 1px dashed var(--film-rule-strong);
  border-radius: 999px;
  padding: 5px 12px;
}
.illus .sq { width: 7px; height: 7px; background: var(--film-brass); border-radius: 1px; }

/* group progress dots (8 beats) */
.beat-dots {
  position: absolute;
  left: 162px;
  bottom: 60px;
  display: flex;
  gap: 13px;
  align-items: center;
}
.beat-dots .bd {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--film-ivory-faint);
  transition: background 240ms var(--film-ease), transform 240ms var(--film-ease);
}
.beat-dots .bd.on { background: var(--film-saffron); transform: scale(1.5); }
.beat-dots .bd.past { background: var(--film-ivory-mute); }
.beat-foot {
  position: absolute;
  right: 162px;
  bottom: 60px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--film-ivory-mute);
  text-transform: uppercase;
}

/* ---- Generic mechanism atoms (used inside panels) ----------------- */
.node {
  position: absolute;
  border-radius: 8px;
  border: 1px solid var(--film-rule-strong);
  background: var(--film-navy-3);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.06em;
  color: var(--film-ivory-soft);
}
.chiprow { display: flex; flex-wrap: wrap; gap: 10px; }
.minichip {
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.04em;
  color: var(--film-ivory-soft);
  border: 1px solid var(--film-rule); border-radius: 999px;
  padding: 6px 13px; background: rgba(247,241,227,0.03);
  display: inline-flex; align-items: center; gap: 8px;
}
.minichip .led { width: 7px; height: 7px; border-radius: 50%; background: var(--film-sage); }
.minichip.flag { border-color: rgba(210,74,56,0.5); color: #f0c9c0; }
.minichip.flag .led { background: var(--film-vermilion); }
.minichip.ok .led { background: var(--film-good); }

/* ---- Start overlay ------------------------------------------------- */
.start-veil {
  position: absolute; inset: 0; z-index: 200;
  background: radial-gradient(120% 120% at 50% 38%, #122236 0%, #0a1525 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; cursor: pointer; padding: 40px;
}
.start-veil .sv-kicker { margin-bottom: 30px; }
.start-veil .sv-title {
  font-family: var(--font-display); font-weight: 700;
  font-variation-settings: "SOFT" 50, "WONK" 1;
  font-size: clamp(30px, 5.4vw, 72px); line-height: 1.04; letter-spacing: -0.02em;
  color: var(--film-ivory); max-width: 17ch; margin: 0 0 22px;
}
.start-veil .sv-sub {
  font-family: var(--font-body); font-size: clamp(15px, 1.9vw, 22px);
  color: var(--film-ivory-soft); max-width: 52ch; line-height: 1.5; margin: 0 0 46px;
}
.play-btn {
  display: inline-flex; align-items: center; gap: 16px;
  font-family: var(--font-mono); font-size: clamp(13px,1.5vw,17px); letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--film-navy); background: var(--film-saffron);
  border: none; border-radius: 999px; padding: 17px 30px 17px 24px; cursor: pointer;
  transition: background 200ms var(--film-ease), transform 160ms var(--film-ease);
}
.play-btn:hover { background: var(--film-saffron-2); }
.play-btn:active { transform: scale(0.97); }
.play-btn .tri {
  width: 34px; height: 34px; border-radius: 50%; background: var(--film-navy);
  display: inline-flex; align-items: center; justify-content: center;
}
.play-btn .tri svg { width: 16px; height: 16px; fill: var(--film-saffron); margin-left: 2px; }
.sv-foot {
  position: absolute; bottom: 34px; left: 0; right: 0;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--film-ivory-mute);
}

/* ---- Controls bar -------------------------------------------------- */
.controls {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 150;
  display: flex; align-items: center; gap: 18px;
  padding: 14px 22px calc(14px + env(safe-area-inset-bottom));
  background: linear-gradient(0deg, rgba(6,12,21,0.92) 0%, rgba(6,12,21,0.6) 70%, rgba(6,12,21,0) 100%);
  font-family: var(--font-mono);
  transition: opacity 360ms var(--film-ease), transform 360ms var(--film-ease);
  touch-action: none;
}
.controls.hidden { opacity: 0; transform: translateY(14px); pointer-events: none; }

.ctrl-btn {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(247,241,227,0.06); border: 1px solid var(--film-rule);
  color: var(--film-ivory); cursor: pointer; position: relative;
  transition: background 180ms var(--film-ease), border-color 180ms var(--film-ease);
  -webkit-tap-highlight-color: transparent;
}
.ctrl-btn:hover { background: rgba(247,241,227,0.12); border-color: var(--film-rule-strong); }
.ctrl-btn:active { transform: scale(0.95); }
.ctrl-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.ctrl-btn.primary { width: 54px; height: 54px; background: var(--film-saffron); border-color: transparent; color: var(--film-navy); }
.ctrl-btn.primary:hover { background: var(--film-saffron-2); }
.ctrl-btn.primary svg { stroke: none; fill: var(--film-navy); width: 24px; height: 24px; }
.ctrl-btn .skip-num {
  position: absolute; font-family: var(--font-mono); font-size: 7px; font-weight: 600; line-height: 1;
  letter-spacing: -0.02em; color: currentColor; top: 50%; left: 50%; transform: translate(-50%, -50%);
}

.scrub-wrap { flex: 1; display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.scrub-meta { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.scrub-scene { font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--film-ivory-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.scrub-scene .n { color: var(--film-saffron-2); }
.scrub-time { font-size: 13px; letter-spacing: 0.08em; color: var(--film-ivory-mute); white-space: nowrap; }
.scrub-time b { color: var(--film-ivory); font-weight: 500; }

.scrub {
  position: relative; height: 22px; display: flex; align-items: center; cursor: pointer; touch-action: none;
}
.scrub-track { position: absolute; left: 0; right: 0; height: 4px; border-radius: 999px; background: rgba(247,241,227,0.14); overflow: visible; }
.scrub-buf { position: absolute; left: 0; top: 0; bottom: 0; background: rgba(247,241,227,0.1); border-radius: 999px; }
.scrub-fill { position: absolute; left: 0; top: 0; bottom: 0; background: var(--film-saffron); border-radius: 999px; }
.scrub-ticks { position: absolute; left: 0; right: 0; top: 0; bottom: 0; }
.scrub-tick { position: absolute; top: -3px; width: 2px; height: 10px; background: rgba(247,241,227,0.22); transform: translateX(-1px); border-radius: 2px; }
.scrub-knob {
  position: absolute; width: 15px; height: 15px; border-radius: 50%; background: var(--film-ivory);
  box-shadow: 0 0 0 4px rgba(232,93,31,0.28); transform: translate(-50%, 0); top: 50%; margin-top: -7.5px;
  transition: transform 120ms var(--film-ease);
}
.scrub:hover .scrub-knob { transform: translate(-50%, 0) scale(1.18); }

.ctrl-right { display: flex; align-items: center; gap: 12px; flex: none; }
.ctrl-toggle {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--film-ivory-mute); background: none; border: none; cursor: pointer; padding: 6px;
}
.ctrl-toggle.active { color: var(--film-saffron-2); }

/* Captions */
.captions {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: 104px; z-index: 140; max-width: min(1100px, 86vw);
  text-align: center; pointer-events: none;
}
.captions span {
  font-family: var(--font-body); font-size: clamp(16px, 2vw, 23px); line-height: 1.45;
  color: var(--film-ivory);
  background: rgba(6,12,21,0.6);
  box-shadow: 0 0 0 1px rgba(247,241,227,0.08);
  padding: 7px 16px; border-radius: 8px;
  box-decoration-break: clone; -webkit-box-decoration-break: clone;
}

/* Toast (e.g. +10s) */
.toast {
  position: fixed; top: 50%; left: 50%; z-index: 160;
  font-family: var(--font-mono); font-size: 16px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--film-ivory); background: rgba(6,12,21,0.7); border: 1px solid var(--film-rule);
  padding: 12px 18px; border-radius: 999px; pointer-events: none;
  display: flex; align-items: center; gap: 10px;
}

/* Loading spinner */
.loading {
  position: absolute; inset: 0; z-index: 210; display: flex; align-items: center; justify-content: center;
  background: #0a1525; color: var(--film-ivory-mute); font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase;
}

/* ---- video-export recording state ---- */
.film-root.recording .controls { opacity: 0 !important; pointer-events: none !important; }
.film-root.recording { cursor: none; }
.ctrl-btn.rec-on { color: #D24A38; border-color: rgba(210,74,56,0.65); }
@keyframes recpulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
.ctrl-btn.rec-on svg { animation: recpulse 1.6s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
  .orbit, .blink { animation: none !important; }
}

/* Ambient decorative loops (sync-independent) */
@keyframes orbitspin { to { transform: rotate(360deg); } }
.orbit { animation: orbitspin 20s linear infinite; transform-origin: center; }
@keyframes dotblink { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }