:root {
  --fond: #0d1017;
  --panneau: #171c27;
  --bordure: #2a3244;
  --texte: #d7dce6;
  --attenue: #8b94a8;
  --accent: #e0873a;
  --accent-2: #49c2a8;
  --erreur: #e06a5a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--fond);
  color: var(--texte);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

kbd {
  background: var(--panneau);
  border: 1px solid var(--bordure);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.85em;
}

code { color: var(--accent-2); }

/* Écrans ---------------------------------------------------------------- */

.ecran { display: none; }
.ecran.actif { display: block; }

.accueil {
  max-width: 30rem;
  margin: 18vh auto 0;
  padding: 0 1.5rem;
  text-align: center;
}

.accueil h1 { font-size: 1.75rem; margin: 0 0 0.25rem; }
.sous-titre { color: var(--attenue); margin: 0 0 2rem; }

#formulaire-code {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

#champ-code {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.75rem 1rem;
  background: var(--panneau);
  border: 1px solid var(--bordure);
  border-radius: 6px;
  color: var(--texte);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  text-align: center;
  text-transform: uppercase;
}

#champ-code:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  color: #1a1207;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

button:hover { filter: brightness(1.1); }

.erreur {
  min-height: 1.5rem;
  margin-top: 1rem;
  color: var(--erreur);
}

/* Jeu -------------------------------------------------------------------- */

.scene {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
}

canvas {
  display: block;
  max-width: 100%;
  background: #12161f;
  border: 1px solid var(--bordure);
  border-radius: 6px;
  /* Le jeu est en formes nettes : pas de lissage à l'agrandissement. */
  image-rendering: pixelated;
}

.bandeau {
  display: flex;
  gap: 1.5rem;
  color: var(--attenue);
  font-size: 0.9rem;
}

.bandeau .attente { color: var(--accent); }

.voile {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13, 16, 23, 0.85);
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.voile.visible { display: flex; }

/* Bac à sable ------------------------------------------------------------ */

.bac-a-sable header {
  padding: 1rem 1.5rem 0;
}

.bac-a-sable h1 { font-size: 1.25rem; margin: 0 0 0.25rem; }
.aide { color: var(--attenue); font-size: 0.9rem; margin: 0; }

.bac-a-sable main {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
}

.releves {
  display: flex;
  gap: 2rem;
  margin: 0;
  font-size: 0.85rem;
}

.releves dt {
  color: var(--attenue);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.releves dd {
  margin: 0.15rem 0 0;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

#reglages h3 {
  margin: 1rem 0 0.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--attenue);
}

#reglages h3:first-child { margin-top: 0; }

.panneau {
  flex: 1 1 18rem;
  min-width: 16rem;
  margin: 1rem 1.5rem 1rem 0;
  padding: 1rem;
  background: var(--panneau);
  border: 1px solid var(--bordure);
  border-radius: 6px;
}

.panneau h2 { font-size: 1rem; margin: 0 0 0.5rem; }
.note { color: var(--attenue); font-size: 0.85rem; margin: 0 0 1rem; }

#reglages label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
}

#reglages input {
  width: 6rem;
  padding: 0.25rem 0.4rem;
  background: var(--fond);
  border: 1px solid var(--bordure);
  border-radius: 4px;
  color: var(--texte);
  font-variant-numeric: tabular-nums;
}

.boutons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.boutons button { font-size: 0.85rem; padding: 0.5rem 0.75rem; }

.message { color: var(--accent-2); font-size: 0.85rem; min-height: 1.25rem; }

#sortie {
  max-height: 12rem;
  overflow: auto;
  margin: 0;
  color: var(--attenue);
  font-size: 0.75rem;
  white-space: pre-wrap;
}

.touches-jeu { color: var(--attenue); font-size: 0.8rem; }

.reseau {
  color: var(--attenue);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}