:root {
  --gold: #d4af37;
  --gold-dim: rgba(212, 175, 55, 0.35);
  --cream: #f3ebdd;
  --ink: #050608;
  --bar: 9vh;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --display: 'Cinzel', Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--serif);
  user-select: none;
}

body.idle { cursor: none; }

canvas {
  position: fixed; inset: 0;
  display: block;
  width: 100vw; height: 100vh;
}

/* ---------- Bandes cinéma : elles se referment au lancement ---------- */
.letterbox {
  position: fixed; left: 0; width: 100%;
  height: 0;
  background: #000;
  z-index: 5;
  pointer-events: none;
  transition: height 1.6s cubic-bezier(.65, 0, .35, 1);
}
.letterbox.top { top: 0; }
.letterbox.bottom { bottom: 0; }
body.started .letterbox { height: var(--bar); }

#progress {
  position: absolute; top: 0; left: 0;
  height: 1px; width: 0;
  background: linear-gradient(90deg, transparent, var(--gold));
  opacity: 0.7;
}

/* ---------- Sous-titres ---------- */
#caption {
  position: fixed;
  left: 50%; bottom: calc(var(--bar) + 6vh);
  transform: translateX(-50%);
  width: min(900px, 86vw);
  text-align: center;
  z-index: 6;
  pointer-events: none;
}
#caption > * {
  opacity: 0;
  filter: blur(6px);
  transform: translateY(10px);
  transition: opacity 1.4s ease, filter 1.4s ease, transform 1.8s cubic-bezier(.2, .7, .2, 1);
}
#caption.visible > * { opacity: 1; filter: blur(0); transform: none; }
#caption.visible #cap-text { transition-delay: .35s; }

#cap-kicker {
  display: block;
  font-family: var(--display);
  font-size: clamp(.65rem, 1vw, .8rem);
  letter-spacing: .5em;
  color: var(--gold);
  margin-bottom: .8em;
}
#cap-text {
  font-style: italic;
  font-size: clamp(1.15rem, 2.2vw, 1.9rem);
  line-height: 1.35;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .9), 0 0 2px rgba(0, 0, 0, .8);
}

/* ---------- Écran de lancement ---------- */
#intro {
  position: fixed; inset: 0;
  z-index: 20;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  background: radial-gradient(ellipse at center, rgba(5, 6, 8, .35) 0%, rgba(5, 6, 8, .85) 70%);
  transition: opacity 1.2s ease, visibility 1.2s;
}
body.started #intro { opacity: 0; visibility: hidden; }

#intro .kicker {
  font-family: var(--display);
  font-size: .8rem;
  letter-spacing: .6em;
  color: var(--gold);
  margin-bottom: 1.2rem;
}
#intro h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.6rem);
  letter-spacing: .04em;
  color: var(--cream);
}
#intro .rule {
  position: relative;
  width: min(360px, 60vw); height: 1px;
  margin: 1.6rem 0 2.4rem;
  background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
}
#intro .rule span {
  position: absolute; left: 50%; top: 50%;
  width: 7px; height: 7px;
  background: var(--gold);
  transform: translate(-50%, -50%) rotate(45deg);
}
#start {
  font-family: var(--display);
  font-size: .85rem;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--cream);
  background: transparent;
  border: 1px solid var(--gold-dim);
  padding: 1rem 2.4rem;
  cursor: pointer;
  transition: background .3s, border-color .3s, color .3s;
}
#start:disabled { opacity: .55; cursor: wait; }
#start:hover:not(:disabled), #start:focus-visible {
  background: rgba(212, 175, 55, .12);
  border-color: var(--gold);
  color: #fff;
  outline: none;
}
#intro .hint {
  margin-top: 1.6rem;
  font-size: .95rem;
  font-style: italic;
  opacity: .55;
}
#intro .credit {
  position: absolute; bottom: 2rem;
  font-size: .75rem;
  letter-spacing: .05em;
  opacity: .35;
}
kbd {
  font-family: var(--display);
  font-style: normal;
  font-size: .75em;
  border: 1px solid rgba(243, 235, 221, .3);
  border-radius: 3px;
  padding: 0 .35em;
}

/* ---------- Barre de contrôle (disparaît quand la souris est inactive) ---------- */
#controls {
  position: fixed;
  left: 50%; bottom: calc(var(--bar) / 2);
  transform: translate(-50%, 50%);
  z-index: 10;
  display: flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(10, 12, 16, .7);
  border: 1px solid rgba(212, 175, 55, .2);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .5s ease;
}
body.started:not(.idle):not(.ui-off) #controls { opacity: 1; pointer-events: auto; }

#controls button {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: none; border: none; border-radius: 50%;
  color: var(--gold);
  cursor: pointer;
  transition: background .2s;
}
#controls button:hover, #controls button:focus-visible { background: rgba(212, 175, 55, .14); outline: none; }
#controls svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.sep { width: 1px; height: 14px; background: rgba(212, 175, 55, .25); margin: 0 4px; }

#dots { display: flex; gap: 10px; padding: 0 4px; }
.dot {
  position: relative;
  width: 8px; height: 8px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  cursor: pointer;
  transition: background .3s, transform .3s;
}
.dot.active { background: var(--gold); transform: rotate(45deg) scale(1.3); }
.dot::after {
  content: attr(data-label);
  position: absolute; left: 50%; bottom: 220%;
  transform: translateX(-50%) rotate(-45deg);
  transform-origin: center;
  white-space: nowrap;
  font-family: var(--display);
  font-size: .65rem; letter-spacing: .2em;
  color: var(--cream);
  opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.dot:hover::after { opacity: .85; }