@import url('../global.css');

/* =============================================================================
   Minesweeper — square grid sized by --rows/--cols (set by the game per
   difficulty). Covered cells are raised buttons; revealed cells are sunken and
   show their adjacent-mine count in the classic per-number colours.
   ========================================================================== */

:root {
  --title-color: var(--color-minesweeper);
  --mine-line: #94a3b8;
  --mine-covered: #cbd5e1;
  --mine-covered-hover: #dbe4ee;
  --mine-revealed: #eef2f7;
}

/* Flag-mode toggle, sitting on the left of the details bar. */
.mine-flag-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.15);
  font-size: 1rem;
  cursor: pointer;
  transition:
    background 0.15s,
    box-shadow 0.15s;
}

.mine-flag-toggle.is-active {
  background: var(--white-color);
  box-shadow: 0 0 0 2px var(--white-color);
}

.mine-board {
  display: grid;
  grid-template-columns: repeat(var(--cols, 9), 1fr);
  grid-template-rows: repeat(var(--rows, 9), 1fr);
  gap: 2px;
  padding: 4px;
  background: var(--mine-line);
}

.mine-cell {
  margin: 0;
  padding: 0;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  font-weight: var(--font-weight-bold);
  font-size: clamp(0.55rem, 2.2vmin, 1.1rem);
  line-height: 1;
  color: var(--text-color);
  background: var(--mine-covered);
  cursor: pointer;
  transition: background 0.1s;
}

.mine-cell:not(.is-revealed):hover {
  background: var(--mine-covered-hover);
}

.mine-cell:focus-visible {
  outline: 2px solid var(--color-minesweeper);
  outline-offset: -2px;
  position: relative;
  z-index: 1;
}

.mine-cell.is-revealed {
  background: var(--mine-revealed);
  cursor: default;
}

.mine-cell.is-flag {
  font-size: clamp(0.5rem, 2vmin, 1rem);
}

.mine-cell.is-mine {
  background: #fca5a5;
}

.mine-cell.is-exploded {
  background: #ef4444;
}

/* Classic adjacent-count colours. */
.mine-cell.n1 {
  color: #2563eb;
}
.mine-cell.n2 {
  color: #16a34a;
}
.mine-cell.n3 {
  color: #dc2626;
}
.mine-cell.n4 {
  color: #7c3aed;
}
.mine-cell.n5 {
  color: #b45309;
}
.mine-cell.n6 {
  color: #0891b2;
}
.mine-cell.n7 {
  color: #111827;
}
.mine-cell.n8 {
  color: #6b7280;
}