:root {
  --bg: #08120d;
  --panel: #0d1b14;
  --line: rgba(255, 255, 255, 0.1);
  --text: #e8f3ec;
  --muted: #93a89b;
  --accent: #9fe870;
  --safe: #6ee7a8;
  --mine: #f87171;
  --cell: 30px;
  --gap: 3px;
}

* { box-sizing: border-box; }

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

body { padding: 16px; }

.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.eyebrow {
  margin: 0 0 2px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 { margin: 0; font-size: 22px; letter-spacing: -0.03em; }

.sizes { display: flex; gap: 6px; }

.size, .swatch, .btn {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 10px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.size { min-height: 36px; padding: 0 12px; font-size: 13px; }
.size[aria-pressed="true"], .swatch.is-active { background: var(--accent); color: #06120b; border-color: var(--accent); }

.hint-line { margin: 0 0 10px; color: var(--muted); font-size: 13px; line-height: 1.5; max-width: 70ch; }

.palette { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }

.swatch { width: 38px; height: 38px; padding: 0; font-size: 14px; display: grid; place-items: center; }
.swatch.covered { width: auto; padding: 0 12px; font-size: 12px; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.btn { min-height: 40px; padding: 0 16px; font-size: 14px; }
.btn.primary { background: var(--accent); color: #06120b; border-color: var(--accent); }
.btn:hover, .size:hover, .swatch:hover { filter: brightness(1.12); }

.mine-total {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.mine-total input {
  width: 72px;
  border: 0;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
  padding: 6px 8px;
  font: inherit;
  color: var(--text);
}

.board-wrap { overflow: auto; padding-bottom: 6px; }

.board {
  display: grid;
  grid-template-columns: repeat(var(--cols, 9), var(--cell));
  gap: var(--gap);
  width: max-content;
  touch-action: manipulation;
}

.cell {
  width: var(--cell);
  height: var(--cell);
  border-radius: 5px;
  border: 0;
  padding: 0;
  font: inherit;
  font-weight: 900;
  font-size: calc(var(--cell) * 0.55);
  display: grid;
  place-items: center;
  cursor: pointer;
  background: #16281e;
  color: #06120b;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.28);
}

.cell.open { background: #cfd8d1; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12); }
.cell.open[data-n="1"] { color: #1d4ed8; }
.cell.open[data-n="2"] { color: #15803d; }
.cell.open[data-n="3"] { color: #b91c1c; }
.cell.open[data-n="4"] { color: #6d28d9; }
.cell.open[data-n="5"] { color: #9a3412; }
.cell.open[data-n="6"] { color: #0f766e; }
.cell.open[data-n="7"] { color: #111; }
.cell.open[data-n="8"] { color: #6b7280; }

.cell.safe { outline: 3px solid var(--safe); outline-offset: -3px; background: #1f4a33; }
.cell.mine { outline: 3px solid var(--mine); outline-offset: -3px; background: #4a1f24; color: var(--mine); }
.cell.safe::after { content: "✓"; color: var(--safe); }
.cell.mine::after { content: "✳"; color: var(--mine); }
.cell.safe, .cell.mine { font-size: 0; }

/* Probability badges are only shown on covered cells, so they never collide
   with a revealed number. */
.cell.prob {
  font-size: calc(var(--cell) * 0.3);
  color: #cfe9d8;
  letter-spacing: -0.02em;
}

.cell.prob.safest {
  outline: 3px solid var(--safe);
  outline-offset: -3px;
  background: #1f4a33;
  color: #d9ffe8;
}

.result {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.result-kicker { margin: 0 0 4px; font-size: 11px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.result-body { margin: 0; font-size: 14px; line-height: 1.55; color: var(--text); }
.result-list { margin: 8px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.result-list:empty { display: none; }

.legend { display: flex; align-items: center; gap: 8px; margin-top: 10px; color: var(--muted); font-size: 12px; }
.key { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.key.safe { background: var(--safe); }
.key.mine { background: var(--mine); margin-left: 10px; }

@media (max-width: 520px) {
  :root { --cell: 26px; --gap: 2px; }
  body { padding: 12px; }
  h1 { font-size: 19px; }
}