/* ---------- Thèmes ---------- */
/* Clair : fond blanc cassé, éléments superposés en blanc */
:root {
  color-scheme: light;
  --bg: #f4f3ef;
  --surface: #ffffff;
  --cell-empty: #f3f2ee;
  --border: #e7e5de;
  --text: #1b2130;
  --muted: #6c7385;
  --accent: #2f5bea;
  --accent-text: #ffffff;
  --power: #e07b00;
  --fx: #ff9f1c;
  --shadow:
    0 1px 2px rgba(27, 33, 48, 0.06), 0 10px 28px rgba(27, 33, 48, 0.07);
}

/* Sombre : noir bleuté, le plus foncé en fond, plus clair en superposition */
@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] {
    color-scheme: dark;
    --bg: #060911;
    --surface: #0f1626;
    --cell-empty: #141d31;
    --border: #1c2742;
    --text: #e8edf8;
    --muted: #8b97b1;
    --accent: #5b8cff;
    --accent-text: #060911;
    --power: #fbbf24;
    --fx: #ffd166;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.45);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #060911;
  --surface: #0f1626;
  --cell-empty: #141d31;
  --border: #1c2742;
  --text: #e8edf8;
  --muted: #8b97b1;
  --accent: #5b8cff;
  --accent-text: #060911;
  --power: #fbbf24;
  --fx: #ffd166;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.45);
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family:
    ui-rounded,
    "SF Pro Rounded",
    "Segoe UI Variable",
    "Segoe UI",
    system-ui,
    -apple-system,
    Roboto,
    sans-serif;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}

.app {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: max(16px, env(safe-area-inset-top)) 16px
    max(16px, env(safe-area-inset-bottom));
}

/* ---------- En-tête ---------- */
.topbar {
  width: 100%;
  max-width: 640px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.theme-switch {
  display: inline-flex;
  padding: 3px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.theme-switch button {
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.theme-switch button:hover {
  color: var(--text);
}

.theme-switch button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-text);
}

button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Jeu ---------- */
.game {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 18px;
}

.board-wrap {
  position: relative;
  flex: none;
  height: min(78dvh, 780px);
  aspect-ratio: 1 / 2;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease;
}

#board {
  display: block;
  width: 100%;
  height: 100%;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  text-align: center;
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.overlay.hidden {
  display: none;
}

.overlay h2 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.overlay p {
  margin: 0 0 6px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.btn {
  font: inherit;
  font-weight: 650;
  color: var(--accent-text);
  background: var(--accent);
  border: 0;
  border-radius: 12px;
  padding: 10px 22px;
  cursor: pointer;
  transition:
    transform 0.12s ease,
    filter 0.12s ease;
}

.btn:hover {
  filter: brightness(1.08);
}
.btn:active {
  transform: scale(0.97);
}

/* ---------- Panneau latéral ---------- */
.panel {
  width: 220px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 0.9rem;
  font-weight: 650;
  color: var(--muted);
}

.card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 0.85rem;
}

.stats dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 10px;
}

.stats dl > div:first-child {
  grid-column: 1 / -1;
}

.stats dt {
  font-size: 0.8rem;
  color: var(--muted);
}

.stats dd {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.stats dl > div:first-child dd {
  font-size: 2rem;
}

.next canvas {
  display: block;
  width: 96px;
  aspect-ratio: 4 / 9;
  margin: 0 auto;
}

.powers ul {
  gap: 7px;
}

.powers li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: center;
  line-height: 1.25;
}

.pico {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--power);
  stroke-width: 3.5;
  stroke-linecap: round;
}

.pico .dot {
  fill: var(--power);
  stroke: none;
}
.pico .ring {
  stroke-width: 3;
}

.powers b {
  font-weight: 650;
}

.badge {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--power);
  color: var(--bg);
  font-size: 0.8rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.badge.hidden {
  display: none;
}

.hint {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.keys li {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
}

kbd {
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  background: var(--cell-empty);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  min-width: 22px;
  text-align: center;
}

.keys li kbd:last-of-type {
  margin-right: 6px;
}

/* ---------- Commandes tactiles ---------- */
.touch {
  display: none;
  width: min(100%, 420px);
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.touch button {
  font: inherit;
  font-size: 1.25rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  height: 52px;
  box-shadow: var(--shadow);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.touch button:active {
  background: var(--accent);
  color: var(--accent-text);
}

/* ---------- Responsive ---------- */
@media (max-width: 760px), (pointer: coarse) and (max-width: 1000px) {
  .app {
    justify-content: flex-start;
    gap: 12px;
  }

  .game {
    flex-direction: column-reverse;
    align-items: center;
    gap: 12px;
  }

  .board-wrap {
    height: min(60dvh, 620px);
  }

  .panel {
    width: min(100%, 420px);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: stretch;
  }

  .powers,
  .keys {
    display: none;
  }

  .stats dl {
    grid-template-columns: repeat(3, 1fr);
  }
  .stats dl > div:first-child {
    grid-column: 1 / -1;
  }
  .stats dl > div:last-child {
    display: none;
  }

  .next {
    padding: 10px 14px;
  }
  .next h3 {
    margin-bottom: 6px;
  }
  .next canvas {
    width: 56px;
  }

  .touch {
    display: grid;
  }
}

@media (pointer: coarse) {
  .touch {
    display: grid;
  }
}

@media (max-height: 640px) and (min-width: 761px) {
  .board-wrap {
    height: 86dvh;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}