@font-face {
  font-family: "Screener W01SC Bold";
  src:
    url("fonts/screener_w01sc_bold-webfont.woff2") format("woff2"),
    url("fonts/screener_w01sc_bold-webfont.woff") format("woff");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Palette */
  --bg: #050505;
  --fg: #ffffff;
  --accent: #e0241b;
  --accent-orange: #ff8a1f;

  /* Variantes */
  --fg-dim: #3d3d3d;
  --off: #000000;
  --dot-gray: #333333;

  /* Glow (couleurs fixes, sans alpha) */
  --glow-fg: #6b6b6b;
  --glow-gray: #141414;
  --glow-accent: #8f0f0a;
  --glow-accent-orange: #a34e00;

  --font-display: "Screener W01SC Bold", ui-sans-serif, system-ui, -apple-system,
    "Segoe UI", Roboto, Arial, sans-serif;

  /* Layout */
  --max-width: 40rem; /* ~640px */
  --pad-x: 1rem;
  --pad-y: 1.75rem;

  --gap: 0.75rem;
  --dot: 1.5rem;
  --label: 3rem;

  /* FX */
  --grain: 0.5;
  --glow-jitter: 1;
}

/* -------- Base / layout -------- */
* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  overflow: hidden;
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
}

body.is-preparing #selector { visibility: hidden; }

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.app__inner {
  width: min(var(--max-width), 100%);
  padding: var(--pad-y) var(--pad-x);
  display: grid;
  place-items: center;
}

/* -------- Selector -------- */
.selector {
  display: flex;
  align-items: center;
  gap: var(--gap);
  user-select: none;
}

.dot {
  width: var(--dot);
  height: var(--dot);
  flex: 0 0 auto;
  border-radius: 9999px;
}

.label {
  font-family: var(--font-display);
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1;
  font-size: var(--label);
  font-variant-ligatures: none;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

@media (min-width: 640px) {
  :root {
    --gap: 0.75rem;
    --dot: 1.5rem;
    --label: 3rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --gap: 1rem;
    --dot: 2rem;
    --label: 4rem;
  }
}

/* -------- FX (subtils, statiques) -------- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: var(--grain);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
}

/* -------- Décryptage (spans) -------- */
#label { color: var(--fg); }

.char-cell {
  display: inline-block;
  width: 1ch;
  text-align: center;
  vertical-align: bottom;
  transition: color 120ms linear;
}

#label .char--lit {
  color: var(--fg);
  text-shadow: 0 0 calc(0.95rem * var(--glow-jitter)) var(--glow-fg);
}

#label .char--dim {
  color: var(--fg-dim);
  text-shadow: none;
}

#label .char--transparent { color: var(--off); }


/* -------- Dot states -------- */
.dot {
  /* valeurs par défaut */
  --dot-bg: var(--dot-gray);
  --dot-glow: var(--glow-gray);

  background: var(--dot-bg);
  box-shadow: 0 0 calc(1.6rem * var(--glow-jitter)) var(--dot-glow);
}

.dot--gray {
  --dot-bg: var(--dot-gray);
  --dot-glow: var(--glow-gray);
}
.dot--white {
  --dot-bg: var(--fg);
  --dot-glow: var(--glow-fg);
}
.dot--red {
  --dot-bg: var(--accent);
  --dot-glow: var(--glow-accent);
}
.dot--orange {
  --dot-bg: var(--accent-orange);
  --dot-glow: var(--glow-accent-orange);
}