:root {
  --bg: #f4f1ea;
  --ciel: #e3eef6;
  --fg: #1f2a22;
  --muted: #6b7068;
  --line: #3a3f3a;
  --line-thin: rgba(0, 0, 0, 0.14);
  --accent: #2f5d3a;
  --accent-fg: #ffffff;
  --danger: #b3382c;
  --ok: #2f7a3f;
  --carte: #ffffff;
  --encre: rgba(0, 0, 0, 0.16);
  --montagnes: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 200' preserveAspectRatio='none'%3E%3Cpath d='M0 200V120L90 60l70 40 80-70 90 60 70-50 90 70 80-60 70 45 80-30 80 55v80z' fill='%23c9d6c0'/%3E%3Cpath d='M0 200v-50l110-40 90 35 80-45 100 50 90-30 100 45 80-25 80 30 70-15v45z' fill='%23a9bfa0'/%3E%3C/svg%3E");
  --r0: #f9c6c9; --r1: #fde5a7; --r2: #c7e9b0; --r3: #a9d6f5; --r4: #d9c3f2;
  --r5: #ffd6a5; --r6: #b8e0d2; --r7: #f5b8e0; --r8: #d9d9a6; --r9: #c2c9f0;
  --r10: #9fe3e8; --r11: #f7a58f; --r12: #d6d6d0; --r13: #d9ef8a; --r14: #e3a9ee;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171a17;
    --ciel: #101a22;
    --fg: #ecece6;
    --muted: #9a9f98;
    --line: #e6e6e0;
    --line-thin: rgba(255, 255, 255, 0.16);
    --accent: #6fb27f;
    --accent-fg: #0f1a12;
    --danger: #ff7b6b;
    --ok: #7fd08f;
    --carte: #232723;
    --encre: rgba(255, 255, 255, 0.18);
    --montagnes: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 200' preserveAspectRatio='none'%3E%3Cpath d='M0 200V120L90 60l70 40 80-70 90 60 70-50 90 70 80-60 70 45 80-30 80 55v80z' fill='%231c2622'/%3E%3Cpath d='M0 200v-50l110-40 90 35 80-45 100 50 90-30 100 45 80-25 80 30 70-15v45z' fill='%23233029'/%3E%3C/svg%3E");
    --r0: #7a3b40; --r1: #7a6420; --r2: #3f6b32; --r3: #2e5a7a; --r4: #5a4280;
    --r5: #7a5230; --r6: #2f6b5a; --r7: #7a3b66; --r8: #626238; --r9: #414a80;
    --r10: #1f7380; --r11: #933c22; --r12: #56595b; --r13: #6c8024; --r14: #7d3f93;
  }
}

* { box-sizing: border-box; }
.symboles { display: none; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background-color: var(--bg);
  background-image: var(--montagnes), linear-gradient(var(--ciel), var(--bg) 45%);
  background-repeat: no-repeat;
  background-position: bottom center, top;
  background-size: 100% min(28vh, 260px), 100% 100%;
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* ---------- En-tête ---------- */
.haut { display: flex; align-items: center; gap: 8px; padding: 10px 12px 4px; }
.haut h1 { font-size: 1.3rem; margin: 0; flex: 1; display: flex; align-items: center; gap: 6px; letter-spacing: 0.02em; }
.logo { width: 26px; height: 26px; }
.sifflets { display: flex; gap: 4px; color: var(--accent); }
.sifflets svg { width: 24px; height: 24px; transition: opacity 0.2s, transform 0.2s; }
.sifflets svg.perdu { opacity: 0.22; transform: scale(0.85); }
.badge { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); border: 1px solid var(--accent); border-radius: 999px; padding: 2px 8px; }
.chrono { font-variant-numeric: tabular-nums; font-size: 1.05rem; min-width: 3.2em; text-align: right; }
button.icone { width: 34px; height: 34px; padding: 0; border-radius: 50%; font-size: 1.05rem; line-height: 1; display: grid; place-items: center; }

.info { margin: 0; padding: 0 12px; text-align: center; color: var(--muted); font-size: 0.85rem; font-weight: 600; min-height: 1.2em; }

main { position: relative; flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 8px 16px; }
.attente { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; font-weight: 600; text-shadow: 0 1px 2px var(--bg); }
.attente[hidden] { display: none; }

/* ---------- Plateau ---------- */
.plateau {
  --n: 7;
  display: grid;
  grid-template-columns: repeat(var(--n), minmax(0, 1fr));
  grid-template-rows: repeat(var(--n), minmax(0, 1fr));
  width: min(100vw - 32px, 100dvh - 270px, 560px);
  aspect-ratio: 1;
  margin: 0 auto;
  border: 3px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--line);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}
.case {
  position: relative;
  appearance: none;
  border: 0;
  border-radius: 0;
  padding: 0;
  margin: 0;
  background-color: var(--couleur);
  border-top: 1px solid var(--line-thin);
  border-left: 1px solid var(--line-thin);
  cursor: pointer;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  color: var(--fg);
  -webkit-tap-highlight-color: transparent;
  outline: none;
}
.case:focus-visible { box-shadow: inset 0 0 0 3px var(--accent); }
.case.bt { border-top: 3px solid var(--line); }
.case.bl { border-left: 3px solid var(--line); }
.case .croix, .case .marmot { position: absolute; inset: 0; pointer-events: none; }
.case .croix { display: grid; place-items: center; font-size: clamp(14px, 4.5vw, 26px); opacity: 0.6; line-height: 1; }
.case .croix.auto { opacity: 0.28; }
.case .marmot { inset: 11%; width: 78%; height: 78%; filter: drop-shadow(0 1px 1px rgba(0,0,0,0.25)); }
.case.pose .marmot { animation: pose 0.18s ease-out; }
.case.erreur { animation: secousse 0.35s; }
.case.conflit { box-shadow: inset 0 0 0 3px var(--danger); }
.case.conflit .marmot { filter: drop-shadow(0 0 3px var(--danger)); }
@keyframes pose { from { transform: scale(0.5); } to { transform: scale(1); } }
@keyframes secousse {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); background-color: var(--danger); }
  75% { transform: translateX(4px); background-color: var(--danger); }
}
.plateau.fini .case { cursor: default; }
.plateau.occupe { opacity: 0.35; pointer-events: none; transition: opacity 0.2s; }

/* Motifs pour daltonisme : un dessin par alpage, par-dessus la couleur. */
.motifs .case.m1 { background-image: repeating-linear-gradient(45deg, var(--encre) 0 2px, transparent 2px 8px); }
.motifs .case.m2 { background-image: repeating-linear-gradient(-45deg, var(--encre) 0 2px, transparent 2px 8px); }
.motifs .case.m3 { background-image: repeating-linear-gradient(0deg, var(--encre) 0 2px, transparent 2px 8px); }
.motifs .case.m4 { background-image: repeating-linear-gradient(90deg, var(--encre) 0 2px, transparent 2px 8px); }
.motifs .case.m5 { background-image: radial-gradient(var(--encre) 1.6px, transparent 1.8px); background-size: 8px 8px; }
.motifs .case.m6 { background-image: repeating-linear-gradient(0deg, var(--encre) 0 1.5px, transparent 1.5px 8px), repeating-linear-gradient(90deg, var(--encre) 0 1.5px, transparent 1.5px 8px); }
.motifs .case.m7 { background-image: repeating-linear-gradient(45deg, var(--encre) 0 1.5px, transparent 1.5px 9px), repeating-linear-gradient(-45deg, var(--encre) 0 1.5px, transparent 1.5px 9px); }
.motifs .case.m8 { background-image: radial-gradient(var(--encre) 2.5px, transparent 2.8px); background-size: 13px 13px; background-position: 3px 3px; }
.motifs .case.m9 { background-image: repeating-linear-gradient(45deg, var(--encre) 0 4px, transparent 4px 12px); }
.motifs .case.m10 { background-image: repeating-linear-gradient(60deg, var(--encre) 0 2px, transparent 2px 9px); }
.motifs .case.m11 { background-image: repeating-linear-gradient(-60deg, var(--encre) 0 2px, transparent 2px 9px); }
.motifs .case.m12 { background-image: radial-gradient(circle, transparent 2px, var(--encre) 2.4px 3.4px, transparent 3.8px); background-size: 11px 11px; }
.motifs .case.m13 { background-image: repeating-linear-gradient(0deg, var(--encre) 0 4px, transparent 4px 12px); }
.motifs .case.m14 { background-image: repeating-linear-gradient(90deg, var(--encre) 0 4px, transparent 4px 12px); }

/* ---------- Bas de page ---------- */
.aide { color: var(--muted); font-size: 0.9rem; text-align: center; margin: 14px auto 0; max-width: 560px; }
.stats { color: var(--muted); font-size: 0.85rem; text-align: center; margin: 0 16px 4px; }
button.prive { display: flex; align-items: center; justify-content: center; gap: 6px; margin: 0 auto 12px; padding: 4px 10px; border: 0; background: none; color: var(--accent); font-size: 0.8rem; font-weight: 600; }
button.prive svg { width: 16px; height: 16px; flex: none; }
.actions { display: flex; gap: 10px; align-items: center; justify-content: center; flex-wrap: wrap; padding: 8px 16px 12px; }
button {
  font: inherit;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--line-thin);
  background: var(--carte);
  color: var(--fg);
  cursor: pointer;
}
button.principal { background: var(--accent); color: var(--accent-fg); border-color: transparent; }
button:active { transform: translateY(1px); }
button[hidden] { display: none; }
.taille { display: flex; align-items: center; gap: 6px; font-size: 0.95rem; }
select { font: inherit; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line-thin); background: var(--carte); color: var(--fg); }

/* ---------- Fenêtres ---------- */
.voile { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.45); display: grid; place-items: center; padding: 24px; z-index: 10; }
.voile[hidden] { display: none; }
.carte {
  max-height: calc(100dvh - 48px);
  overflow-y: auto;
  background: var(--carte);
  border-radius: 16px;
  padding: 22px 22px 18px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}
.carte h2 { margin: 0 0 8px; font-size: 1.25rem; }
.carte p { margin: 0 0 18px; color: var(--muted); }
.carte-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.reglage { display: flex; gap: 12px; align-items: flex-start; text-align: left; padding: 10px 0; border-top: 1px solid var(--line-thin); cursor: pointer; }
.reglage:last-of-type { border-bottom: 1px solid var(--line-thin); }
.reglage-langue { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line-thin); margin-bottom: 14px; text-align: left; }
.reglage-langue b { font-weight: 600; }
.apropos { text-align: left; margin: 0 0 16px; padding: 12px 14px; border-radius: 12px; background: color-mix(in srgb, var(--accent) 12%, transparent); }
.apropos h3 { display: flex; gap: 8px; align-items: center; margin: 0 0 6px; font-size: 1rem; color: var(--accent); }
.apropos h3 svg { width: 20px; height: 20px; flex: none; }
.carte .apropos p { margin: 0 0 8px; font-size: 0.85rem; }
.apropos a { color: var(--accent); font-size: 0.85rem; font-weight: 600; }
.reglage input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--accent); flex: none; }
.reglage b { display: block; font-weight: 600; }
.reglage small { color: var(--muted); font-size: 0.85rem; }

.tuto .illustration { width: 100%; max-height: 150px; margin: 0 auto 12px; display: block; }
.tuto .etape[hidden] { display: none; }
.tuto .a0 { fill: var(--r0); } .tuto .a1 { fill: var(--r1); } .tuto .a2 { fill: var(--r2); }
.tuto .a3 { fill: var(--r3); } .tuto .a4 { fill: var(--r4); } .tuto .a6 { fill: var(--r6); }
.tuto .fin { stroke: var(--line-thin); stroke-width: 1; fill: none; }
.tuto .gros { stroke: var(--line); stroke-width: 2.5; fill: none; }
.tuto .non { stroke: var(--danger); stroke-width: 4; stroke-linecap: round; fill: none; }
.tuto .oui { stroke: var(--ok); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; fill: none; }
.tuto .fleche { stroke: var(--muted); stroke-width: 3; stroke-linecap: round; fill: none; }
.tuto .croix-ill { stroke: var(--fg); stroke-width: 3; stroke-linecap: round; opacity: 0.6; fill: none; }
.points { display: flex; gap: 6px; justify-content: center; margin: 4px 0 14px; }
.points span { width: 8px; height: 8px; border-radius: 50%; background: var(--line-thin); }
.points span.actif { background: var(--accent); }

/* ---------- Écran bas (paysage) : plateau à gauche, commandes à droite ---------- */
@media (orientation: landscape) and (max-height: 520px) {
  body {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-rows: auto auto 1fr auto auto auto;
    grid-template-areas: "main haut" "main info" "main ." "main actions" "main stats" "main prive";
    column-gap: 8px;
  }
  .haut { grid-area: haut; padding-top: 12px; }
  .info { grid-area: info; }
  main { grid-area: main; padding: 10px 0 10px 12px; }
  .actions { grid-area: actions; }
  .stats { grid-area: stats; }
  button.prive { grid-area: prive; }
  .aide { display: none; }
  .plateau { width: min(100dvh - 26px, 100vw - 330px, 560px); }
}