/* Solitaire — board and cards. Shell styles live in common.css. */

.board {
  flex: 1;
  padding: 20px 16px 40px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
}

.row { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.spacer { pointer-events: none; }

.pile {
  position: relative;
  aspect-ratio: 5 / 7;
  border-radius: var(--radius);
  border: 1px dashed var(--color-border);
  background: var(--color-muted-20);
}

.row-tableau .pile {
  aspect-ratio: auto;
  min-height: min(38vh, 300px);
  background: transparent;
  border-color: transparent;
}
.row-tableau .pile.is-empty {
  border-color: var(--color-border);
  background: var(--color-muted-20);
}

.pile-foundation::after {
  content: attr(data-suit);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  color: var(--color-muted-20);
  pointer-events: none;
}

.pile.drop-target { border-color: var(--color-accent); border-style: solid; box-shadow: 0 0 0 2px var(--color-accent-20); }
.pile-stock { cursor: pointer; }

/* ── Cards ───────────────────────────────────────────────── */

.card {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  aspect-ratio: 5 / 7;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: #1a1a1a;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  transition: box-shadow 0.15s, transform 0.15s;
}

.card.is-red { color: #c0392b; }

.card.face-down {
  background:
    repeating-linear-gradient(45deg, var(--color-primary) 0 6px, var(--color-primary-hover) 6px 12px);
  border-color: var(--color-secondary);
  color: transparent;
}
.card.face-down .card-corner, .card.face-down .card-pip { visibility: hidden; }

.card.is-draggable { cursor: grab; }
.card.is-dragging { cursor: grabbing; z-index: 999; box-shadow: 0 10px 24px rgba(0, 0, 0, 0.5); }
.card.is-hint { box-shadow: 0 0 0 3px var(--color-accent), 0 4px 12px var(--color-accent-20); }

.card-corner {
  position: absolute;
  left: 6%;
  top: 4%;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  font-weight: 700;
  font-size: clamp(0.6rem, 2.1vw, 0.95rem);
}
.card-corner.bottom { left: auto; top: auto; right: 6%; bottom: 4%; transform: rotate(180deg); }

.card-pip {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(1.1rem, 4.5vw, 2rem);
  pointer-events: none;
}

/* ── Leaderboard ─────────────────────────────────────────── */

.lb-wrap { max-height: 50vh; overflow: auto; }
.lb { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.lb th, .lb td { padding: 7px 8px; text-align: left; border-bottom: 1px solid var(--color-border); }
.lb th { color: var(--color-text-muted); font-weight: 600; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; }
.lb td:nth-child(3), .lb td:nth-child(4), .lb td:nth-child(5) { font-family: var(--font-code); font-variant-numeric: tabular-nums; }
.lb .empty { color: var(--color-text-muted); text-align: center; padding: 20px; }

@media (max-width: 620px) {
  .topbar { gap: 10px; padding: 10px 12px; }
  .brand { width: 100%; }
  .stats { margin-left: 0; gap: 12px; }
  .actions { width: 100%; }
  .actions .btn { flex: 1; padding: 8px 6px; }
  .board { padding: 14px 10px 30px; gap: 18px; }
  .row { gap: 5px; }
}