:root {
  --bg: #f3f4f6;            /* gris très clair */
  --grid: rgba(0,0,0,0.03); /* trame discrète */
  --card-bg: #ffffff;
  --card-border: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --blue: #2563eb;
  --shadow: 0 1px 2px rgba(0,0,0,0.06), 0 4px 10px rgba(0,0,0,0.04);
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji","Segoe UI Emoji"; }
body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(0deg, transparent 24%, var(--grid) 25%, var(--grid) 26%, transparent 27%, transparent 74%, var(--grid) 75%, var(--grid) 76%, transparent 77%),
    linear-gradient(90deg, transparent 24%, var(--grid) 25%, var(--grid) 26%, transparent 27%, transparent 74%, var(--grid) 75%, var(--grid) 76%, transparent 77%),
    var(--bg);
  background-size: 40px 40px;
}

.page {
  max-width: 1100px;
  margin: 32px auto;
  padding: 0 16px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.title {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header-actions { display: flex; gap: 8px; }

.main { display: grid; gap: 16px; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.game-card { padding: 16px; }

.game-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
}

.board-wrap {
  display: grid;
  place-items: center;
  background: #fff;

  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px;
}
#board {
  border: 2px solid #000;   /* ✅ Bordure noire directement sur la grille */
  display: block;
}

.sidebar { display: grid; gap: 12px; }

.panel { border: 1px solid var(--card-border); border-radius: var(--radius); padding: 12px; background: #fff; box-shadow: var(--shadow); }
.panel-title { margin: 0 0 8px; font-size: 1rem; font-weight: 600; }
.score-row { display: flex; justify-content: space-between; padding: 6px 0; }
.label { color: var(--muted); }
.value { font-weight: 700; }

.controls { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.key {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--card-border);
  border-radius: 6px;
  background: #f9fafb;
  color: #374151;
  font-variant-numeric: tabular-nums;
}

.btn {
  appearance: none;
  border: 1px solid var(--card-border);
  background: #fff;
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease, background 120ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus { outline: none; box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.35); border-color: var(--blue); }
.btn.primary {
  background: var(--blue);
  color: #fff;
  border-color: #1e40af;
}
.btn.primary:hover { filter: brightness(1.05); }

.field { display: grid; gap: 6px; margin-bottom: 8px; }
label { font-weight: 600; color: var(--text); }
input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
input[type="text"]::placeholder { color: var(--muted); }
input[type="text"]:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2); }

.save-form { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: end; }
.scores-list { display: grid; gap: 8px; margin-top: 8px; }
.score-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px; border: 1px solid var(--card-border); border-radius: 8px; background: #fff;
}

.footer { margin-top: 8px; }
.muted { color: var(--muted); }

@media (max-width: 980px) {
  .game-layout { grid-template-columns: 1fr; }
}

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