:root {
  --felt: #116b4f;
  --felt-dark: #0b4d39;
  --felt-light: #1a8a63;
  --ink: #17211d;
  --muted: #d7e7de;
  --paper: #fffaf0;
  --paper-2: #f4efe3;
  --line: rgba(10, 40, 28, 0.28);
  --red: #b62035;
  --black: #17211d;
  --gold: #f6c85f;
  --shadow: 0 14px 30px rgba(5, 25, 16, 0.28);
  --card-w: clamp(62px, 9vw, 104px);
  --card-h: calc(var(--card-w) * 1.42);
  --gap: clamp(8px, 1.4vw, 16px);
  --waste-spread: clamp(18px, 2.6vw, 32px);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--paper);
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 250, 240, 0.13), transparent 32rem),
    linear-gradient(135deg, var(--felt-light), var(--felt-dark));
  font-family: Arial, Helvetica, sans-serif;
}

button,
dialog {
  font: inherit;
}

button {
  appearance: none;
  -webkit-appearance: none;
}

.game-shell {
  width: min(1180px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: clamp(14px, 2vw, 28px);
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 0.95;
}

.status {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--ink);
}

.status span,
.new-game {
  min-height: 42px;
  border: 1px solid rgba(255, 250, 240, 0.45);
  border-radius: 8px;
  background: rgba(255, 250, 240, 0.9);
  box-shadow: 0 8px 18px rgba(5, 25, 16, 0.18);
}

.status span {
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  white-space: nowrap;
}

.new-game {
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
  padding: 0 16px;
}

.new-game:hover {
  background: var(--gold);
}

.new-game:disabled {
  cursor: default;
  opacity: 0.55;
}

.new-game:disabled:hover {
  background: rgba(255, 250, 240, 0.9);
}

.pile:focus,
.card:focus,
.new-game:focus {
  outline: none;
}

.pile:focus-visible,
.card:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.board {
  width: 100%;
}

.upper-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--gap);
  align-items: start;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.draw-area,
.foundations,
.tableau {
  display: grid;
  gap: var(--gap);
}

.draw-area {
  grid-template-columns: var(--card-w) calc(var(--card-w) + var(--waste-spread) + var(--waste-spread));
}

.foundations {
  grid-template-columns: repeat(4, var(--card-w));
}

.tableau {
  grid-template-columns: repeat(7, minmax(0, var(--card-w)));
  align-items: start;
  min-height: calc(var(--card-h) + 9 * 30px);
}

.pile,
.column {
  position: relative;
  width: var(--card-w);
  min-height: var(--card-h);
  border-radius: 8px;
}

.pile {
  display: block;
  border: 2px dashed rgba(255, 250, 240, 0.42);
  background: rgba(5, 45, 30, 0.32);
}

.pile::after,
.column.empty::after {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(255, 250, 240, 0.56);
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  font-weight: 700;
  pointer-events: none;
  z-index: 0;
}

.foundation[data-suit="hearts"]::after {
  content: "♥";
}

.foundation[data-suit="diamonds"]::after {
  content: "♦";
}

.foundation[data-suit="clubs"]::after {
  content: "♣";
}

.foundation[data-suit="spades"]::after {
  content: "♠";
}

.stock {
  cursor: pointer;
  overflow: hidden;
  padding: 0;
}

.stock-count {
  position: absolute;
  right: 5px;
  bottom: 5px;
  z-index: 2;
  display: grid;
  min-width: 28px;
  height: 24px;
  place-items: center;
  border: 1px solid rgba(255, 250, 240, 0.72);
  border-radius: 8px;
  color: var(--paper);
  background: rgba(18, 40, 74, 0.88);
  font-size: 0.8rem;
  font-weight: 800;
}

.stock:not(.has-cards) .stock-count {
  color: var(--ink);
  background: rgba(255, 250, 240, 0.92);
}

.stock.has-cards {
  border: 0;
  background: #12284a;
  box-shadow: var(--shadow);
}

.stock.has-cards::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px solid rgba(255, 250, 240, 0.72);
  border-radius: 6px;
  background: url("./assets/card-back.svg") center / cover;
}

.stock:not(.has-cards)::after {
  content: "↻";
}

.waste {
  width: calc(var(--card-w) + var(--waste-spread) + var(--waste-spread));
}

.card {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: var(--card-w);
  height: var(--card-h);
  border: 1px solid rgba(23, 33, 29, 0.25);
  border-radius: 8px;
  background: linear-gradient(160deg, #fffdf8, var(--paper-2));
  color: var(--black);
  box-shadow: var(--shadow);
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.card:active {
  cursor: grabbing;
}

.card.preview {
  cursor: default;
  filter: brightness(0.96);
}

.card.red {
  color: var(--red);
}

.card.face-down {
  background: #12284a;
  color: transparent;
  cursor: default;
}

.card.face-down::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px solid rgba(255, 250, 240, 0.74);
  border-radius: 6px;
  background: url("./assets/card-back.svg") center / cover;
}

.card.dragging {
  opacity: 0.5;
}

.card.drop-ok,
.pile.drop-ok {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.rank {
  position: absolute;
  top: 8px;
  left: 9px;
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  font-weight: 800;
}

.suit {
  position: absolute;
  right: 9px;
  bottom: 5px;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.center-suit {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(2.3rem, 5vw, 4rem);
  opacity: 0.88;
}

.help-panel {
  max-width: 780px;
  margin-top: 18px;
  color: var(--muted);
}

.help-panel h2 {
  margin-bottom: 6px;
  color: var(--paper);
  font-size: 1rem;
}

.help-panel p {
  margin-bottom: 4px;
  line-height: 1.45;
}

.leave-warning {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
  color: var(--paper);
  font-size: 0.92rem;
  line-height: 1.3;
}

.leave-warning input {
  width: 16px;
  height: 16px;
  accent-color: var(--gold);
}

.win-dialog {
  width: min(420px, calc(100% - 28px));
  border: 0;
  border-radius: 8px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  text-align: center;
}

.win-dialog::backdrop {
  background: rgba(5, 25, 16, 0.62);
}

@media (max-width: 780px) {
  :root {
    --card-w: clamp(42px, 12vw, 72px);
    --gap: 7px;
  }

  .topbar {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .status {
    justify-content: space-between;
  }

  .new-game {
    width: 100%;
  }

  .upper-row {
    grid-template-columns: 1fr;
  }

  .foundations {
    justify-content: end;
  }

  .tableau {
    min-height: calc(var(--card-h) + 9 * 22px);
  }

  .card {
    box-shadow: 0 8px 18px rgba(5, 25, 16, 0.22);
  }

  .rank {
    top: 5px;
    left: 6px;
  }

  .suit {
    right: 6px;
    bottom: 4px;
  }
}