:root {
  color-scheme: dark;
  --bg: #0f1720;
  --panel: #182433;
  --panel-2: #223247;
  --line: rgba(255, 255, 255, 0.12);
  --text: #f5f7fb;
  --muted: #a9b7c8;
  --accent: #2e9f6f;
  --accent-strong: #42c88d;
  --danger: #e35d6a;
  --card-w: clamp(2.95rem, 12vw, 5.4rem);
  --card-h: calc(var(--card-w) * 1.42);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 65% 42% at 12% -10%, rgba(46, 159, 111, 0.22), transparent 62%),
    radial-gradient(ellipse 55% 35% at 100% 10%, rgba(65, 104, 170, 0.18), transparent 62%),
    var(--bg);
  color: var(--text);
}

.games-platform-bar-social {
  display: none;
}

button,
input,
select {
  font: inherit;
}

.app {
  width: min(74rem, 100%);
  margin: 0 auto;
  padding: 1rem clamp(0.6rem, 2vw, 1.25rem) 2rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.eyebrow {
  display: block;
  margin: 0 0 0.25rem;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.game-options {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.85rem;
}

.option-label {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.draw-options {
  display: inline-flex;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.draw-option {
  min-width: 2.4rem;
  min-height: 2rem;
  border: 0;
  border-right: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
}

.draw-option:last-child {
  border-right: 0;
}

.draw-option[aria-pressed="true"] {
  background: var(--accent);
  color: #06180f;
}

.status {
  color: var(--muted);
  font-size: 0.9rem;
}

.btn-secondary {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  min-height: 2.5rem;
  padding: 0 1rem;
  font-weight: 800;
}

.btn-secondary:hover {
  border-color: rgba(66, 200, 141, 0.55);
}

.scorebar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  margin-bottom: 0.85rem;
}

.scorebar > div {
  min-width: 0;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(24, 36, 51, 0.86);
}

.scorebar strong {
  display: block;
  overflow-wrap: anywhere;
}

.board {
  display: grid;
  gap: 1rem;
}

.upper-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.stock-area,
.foundations {
  display: flex;
  gap: clamp(0.35rem, 1.5vw, 0.75rem);
}

.tableau {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: clamp(0.3rem, 1.4vw, 0.75rem);
  align-items: start;
}

.tableau-pile {
  min-height: calc(var(--card-h) + 7rem);
  border-radius: 8px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  padding: 0.25rem;
}

.pile {
  position: relative;
  width: var(--card-w);
  min-width: var(--card-w);
  height: var(--card-h);
  border: 1px dashed rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(24, 36, 51, 0.7);
  color: var(--muted);
}

.drop-legal {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 2px rgba(66, 200, 141, 0.2);
}

.drop-active {
  background-color: rgba(66, 200, 141, 0.2);
  transform: translateY(-0.12rem);
}

.stock.has-cards {
  border-style: solid;
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0 4px, transparent 4px 9px),
    linear-gradient(145deg, #24364f, #172333);
}

.stock.empty::after,
.waste.empty::after,
.foundation.empty::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 0.25rem;
  color: rgba(245, 247, 251, 0.42);
  font-size: clamp(0.62rem, 1.8vw, 0.8rem);
  font-weight: 800;
  text-align: center;
}

.card {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: var(--card-w);
  min-width: 0;
  height: var(--card-h);
  border: 2px solid rgba(255, 255, 255, 0.86);
  border-radius: 8px;
  background: #f8fbff;
  color: #111827;
  padding: 0.32rem;
  box-shadow: 0 0.35rem 0.9rem rgba(0, 0, 0, 0.28);
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
}

.card.red {
  color: #bf2437;
}

.card.black {
  color: #111827;
}

.card.face-down {
  background:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.14) 0 5px, transparent 5px 10px),
    #263b59;
  color: transparent;
  cursor: default;
}

.card.selected {
  outline: 3px solid var(--accent-strong);
  outline-offset: 2px;
  transform: translateY(-0.18rem);
}

.card[draggable="true"] {
  cursor: grab;
}

.card[draggable="true"]:active {
  cursor: grabbing;
}

.rank {
  font-size: clamp(0.78rem, 2.5vw, 1.1rem);
}

.suit {
  display: grid;
  place-items: center;
  font-size: clamp(1.15rem, 4.5vw, 2rem);
}

.corner {
  justify-self: end;
  transform: rotate(180deg);
}

.tableau-pile .card + .card {
  margin-top: calc(var(--card-h) * -0.58);
}

/* Hide the number of unrevealed cards while preserving exposed playable runs. */
.tableau-pile .card.face-down + .card.face-down {
  margin-top: calc(var(--card-h) * -1);
}

.message {
  min-height: 2.5rem;
  margin-top: 1rem;
  color: var(--muted);
  font-weight: 700;
}

.message.error {
  color: var(--danger);
}

@media (max-width: 560px) {
  .app {
    padding-left: 0.45rem;
    padding-right: 0.45rem;
  }

  .topbar {
    align-items: flex-start;
  }

  .top-actions {
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
  }

  .scorebar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.35rem;
  }

  .scorebar > div {
    padding: 0.55rem 0.45rem;
  }

  .upper-row {
    gap: 0.4rem;
  }

  .stock-area,
  .foundations {
    gap: 0.28rem;
  }

  :root {
    --card-w: clamp(2.55rem, 11.8vw, 3.85rem);
  }

  .tableau {
    gap: 0.15rem;
  }

  .tableau-pile {
    padding: 0.08rem;
    min-height: calc(var(--card-h) + 5.4rem);
  }
}