/* ---- Page head ---- */
.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.page-head h1 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: clamp(28px, 4.4vw, 40px);
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.05;
}
.page-head .sub {
  color: var(--ink-soft);
  margin: 6px 0 0;
  font-size: 14px;
  min-height: 1.4em;
}
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.meter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  font: 600 13px 'Inter', sans-serif;
  color: var(--ink);
  box-shadow: var(--shadow);
}
.meter-item { display: inline-flex; gap: 6px; align-items: baseline; }
.meter-label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.meter-sep { color: var(--muted); }

/* ---- Play surface ---- */
.play {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  /* Card geometry */
  --card-w: clamp(48px, 7.4vw, 78px);
  --card-h: calc(var(--card-w) * 1.4);
  --card-radius: 8px;
  --gap: clamp(6px, 1.2vw, 14px);
  --stack-step: calc(var(--card-h) * 0.26);
}

/* Top row: 4 cells | gap | 4 foundations */
.top-row {
  display: flex;
  justify-content: space-between;
  gap: var(--gap);
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.cells, .foundations {
  display: grid;
  grid-template-columns: repeat(4, var(--card-w));
  gap: var(--gap);
}

/* Tableau: 8 columns, scroll horizontally if needed on tiny screens */
.tableau-wrap {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  scroll-snap-type: x proximity;
  margin: 0 -18px;
  padding: 0 18px 8px;
}
.tableau-wrap::-webkit-scrollbar { height: 6px; }
.tableau-wrap::-webkit-scrollbar-thumb { background: var(--line); border-radius: 999px; }
.tableau {
  display: grid;
  grid-template-columns: repeat(8, var(--card-w));
  gap: var(--gap);
  min-width: max-content;
  min-height: calc(var(--card-h) + var(--stack-step) * 18);
  padding-bottom: 6px;
}
.tableau .col { scroll-snap-align: start; }
.col {
  position: relative;
  width: var(--card-w);
  min-height: var(--card-h);
}

/* ---- Piles (empty slots) ---- */
.pile {
  width: var(--card-w);
  height: var(--card-h);
  border: 2px dashed #cdbf9f;
  border-radius: var(--card-radius);
  background: rgba(214, 200, 168, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease;
}
.pile.cell::before {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 4px;
  border: 1px dashed rgba(31, 58, 95, 0.18);
  pointer-events: none;
}
.pile.is-drop-target {
  border-color: var(--accent);
  background: rgba(244, 227, 178, 0.5);
}
.pile.is-hint-target {
  animation: hint-pile-pulse 700ms ease-in-out;
}
@keyframes hint-pile-pulse {
  0%, 100% { background: rgba(214, 200, 168, 0.18); border-color: #cdbf9f; }
  50% { background: rgba(244, 227, 178, 0.7); border-color: var(--accent); }
}
.pile-glyph {
  font-family: 'Fraunces', Georgia, serif;
  font-size: calc(var(--card-w) * 0.55);
  color: rgba(28, 42, 58, 0.18);
  user-select: none;
}

/* ---- Cards ---- */
.card {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--card-w);
  height: var(--card-h);
  background: var(--paper);
  border: 1.5px solid #14253d;
  border-radius: var(--card-radius);
  box-shadow:
    0 1px 0 rgba(0,0,0,0.05),
    0 4px 10px -6px rgba(31,58,95,0.4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 6px 7px;
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  transition: transform 140ms ease, box-shadow 180ms ease;
}
.card .face-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  width: 100%;
}
.card .rank-row {
  display: flex;
  align-items: center;
  gap: 2px;
  line-height: 1;
}
.card .rank {
  font-size: calc(var(--card-w) * 0.28);
  letter-spacing: -0.02em;
}
.card .suit {
  font-size: calc(var(--card-w) * 0.26);
  line-height: 1;
}
.card .rank-row.bottom {
  transform: rotate(180deg);
  align-self: flex-end;
}
.card .big-suit {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(var(--card-w) * 0.7);
  line-height: 1;
  margin: 0;
}
.card[data-color="red"] { color: var(--danger); }
.card[data-color="black"] { color: var(--ink); }

.card.is-selected {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  transform: translateY(-3px);
  box-shadow:
    0 1px 0 rgba(0,0,0,0.05),
    0 12px 22px -8px rgba(31,58,95,0.75);
  animation: fc-selected-glow 1400ms ease-in-out infinite alternate;
}
@keyframes fc-selected-glow {
  from { box-shadow: 0 1px 0 rgba(0,0,0,0.05), 0 12px 22px -8px rgba(31,58,95,0.75); }
  to   { box-shadow: 0 1px 0 rgba(0,0,0,0.05), 0 12px 22px -8px rgba(31,58,95,0.75), 0 0 0 2px rgba(31,58,95,0.35); }
}
@media (prefers-reduced-motion: reduce) {
  .card.is-selected { animation: none; transform: none; }
}
.card.is-hint {
  animation: hint-pulse 700ms ease-in-out;
}
@keyframes hint-pulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.card:hover:not(.is-buried) { transform: translateY(-2px); }
.card.is-buried { cursor: default; }

/* Cell-bound cards: position relative (no stacking) */
.cell .card { position: absolute; inset: 0; width: 100%; height: 100%; }
.foundation .card { position: absolute; inset: 0; width: 100%; height: 100%; }

/* ---- Win overlay ---- */
.win-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 42, 58, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.win-overlay[hidden] { display: none; }
.win-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  text-align: center;
  box-shadow: var(--shadow-lift);
  max-width: 360px;
}
.win-card h2 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 700;
  font-size: 30px;
  margin: 0 0 6px;
}
.win-card p { color: var(--ink-soft); margin: 0 0 18px; }

/* Fullscreen tweaks: let the tableau breathe vertically */
body[data-fullscreen="true"] .play {
  min-height: calc(100vh - 180px);
}
body[data-fullscreen="true"] .tableau {
  min-height: calc(100vh - 320px);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .play {
    --card-w: clamp(46px, 9.4vw, 70px);
    padding: 14px;
  }
  .top-row { gap: 10px; }
}
@media (max-width: 720px) {
  .play {
    --card-w: clamp(42px, 10.6vw, 60px);
    padding: 12px;
    --stack-step: calc(var(--card-h) * 0.28);
  }
  .top-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .cells, .foundations {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }
  .cells .pile, .foundations .pile {
    width: 100%;
    max-width: var(--card-w);
    justify-self: center;
  }
}
@media (max-width: 460px) {
  .play {
    --card-w: clamp(40px, 11.4vw, 56px);
    --stack-step: calc(var(--card-h) * 0.3);
  }
  .card { padding: 4px 5px; }
  .head-actions .btn { padding: 9px 11px; font-size: 13px; }
  .meter { padding: 5px 10px; font-size: 12px; }
}