/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at 50% 0%, #12613a, #073a22 60%, #052a18);
  color: #f2f2f2;
  /* Prevent double-tap zoom on touch devices without disabling pinch-zoom */
  touch-action: manipulation;
}

/* ── Fluid card dimensions ────────────────────────────────────────────────────
   Cards scale from small phones up to desktop. Everything else derives from
   --card-w, so no separate breakpoints are needed.                            */
:root {
  --card-w:      clamp(58px, 17vw, 92px);
  --card-h:      calc(var(--card-w) * 1.3636);        /* 120 / 88 ratio        */
  --card-overlap: calc(var(--card-w) * -0.3);         /* fan cards to the right */
  --card-radius: max(5px, calc(var(--card-w) * 0.09));
  --font-rank:   clamp(11px, calc(var(--card-w) * 0.2), 18px);
  --font-center: clamp(20px, calc(var(--card-w) * 0.5), 44px);
  --felt-line:   rgba(255, 255, 255, 0.22);
  --gold:        #ffd700;
}

/* ── App shell ────────────────────────────────────────────────────────────── */
.app {
  max-width: 760px;
  margin: 0 auto;
  padding: 12px 16px 32px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 12px;
  user-select: none;
  -webkit-user-select: none;
}

/* ── Top bar ──────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.bank {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bankroll {
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
button {
  background: #1b7f3b;
  color: white;
  border: 1px solid #0e5a28;
  border-radius: 6px;
  /* 44 px minimum touch target (Apple HIG / WCAG 2.5.5) */
  min-height: 44px;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
button:hover:not(:disabled)  { filter: brightness(1.12); }
button:active:not(:disabled) { filter: brightness(0.9); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

button.primary {
  background: var(--gold);
  border-color: #b99a00;
  color: #221a00;
}

button.ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

/* ── Table ────────────────────────────────────────────────────────────────── */
.table {
  flex: 1;
  display: flex;
  flex-direction: column;
  /* Dealer at the top, the player's hands at the bottom, message between */
  justify-content: space-between;
  gap: 10px;
  padding: 16px 12px;
  border: 1px solid var(--felt-line);
  border-radius: 16px;
  background:
    radial-gradient(ellipse at 50% -10%, rgba(255, 255, 255, 0.08), transparent 65%),
    rgba(0, 0, 0, 0.14);
}

/* ── A seat: the dealer, or one player hand ───────────────────────────────── */
.seat {
  padding: 8px;
  border-radius: 12px;
  border: 2px solid transparent;
  text-align: center;
}

.seat--active {
  border-color: var(--gold);
  background: rgba(255, 215, 0, 0.08);
}

.seat--win, .seat--blackjack { background: rgba(46, 204, 113, 0.14); }
.seat--lose, .seat--bust     { background: rgba(231, 76, 60, 0.14); }
.seat--push                  { background: rgba(255, 255, 255, 0.09); }

.seat-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 13px;
}

.seat-label { opacity: 0.8; letter-spacing: 0.05em; text-transform: uppercase; }

.total {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--felt-line);
  border-radius: 999px;
  padding: 2px 9px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.wager {
  color: var(--gold);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.empty-seat {
  margin: 0 auto;
  width: var(--card-w);
  height: var(--card-h);
  border-radius: var(--card-radius);
  border: 2px dashed rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

/* ── Player hands (side by side once split) ───────────────────────────────── */
.hands {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.hands--split .seat { flex: 1 1 45%; }

/* Split hands share the row, so the cards shrink to fit */
.hands--split { --card-w: clamp(44px, 11vw, 66px); }

/* ── Card row ─────────────────────────────────────────────────────────────── */
.card-row {
  display: flex;
  justify-content: center;
  min-height: var(--card-h);
}

.card-row .card + .card { margin-left: var(--card-overlap); }

/* ── Card ─────────────────────────────────────────────────────────────────── */
.card {
  position: relative;
  flex: 0 0 auto;
  width: var(--card-w);
  height: var(--card-h);
  border-radius: var(--card-radius);
  background: white;
  color: #111;
  border: 2px solid #d8d8d8;
  box-shadow: -2px 2px 8px rgba(0, 0, 0, 0.4);
  animation: deal 220ms ease-out;
}

@keyframes deal {
  from { transform: translate(18px, -22px) rotate(6deg); opacity: 0; }
  to   { transform: none; opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .card { animation: none; }
}

.card.face-down {
  background: repeating-linear-gradient(
    45deg,
    #0d3e20, #0d3e20 8px,
    #12502a 8px, #12502a 16px
  );
  border-color: #0a2e17;
}

/* ── Card content ─────────────────────────────────────────────────────────── */
.card .corner {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.05;
  font-weight: 700;
  pointer-events: none;
}

.corner.tl { top: 4px;    left:  5px; }
.corner.br { bottom: 4px; right: 5px; transform: rotate(180deg); }

.rank { font-size: var(--font-rank); }
.suit { font-size: var(--font-rank); }

.center-suit {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--font-center);
  line-height: 1;
  pointer-events: none;
}

.red   { color: #c01818; }
.black { color: #111; }

/* ── Messages ─────────────────────────────────────────────────────────────── */
.message {
  margin: 0;
  min-height: 22px;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
}

.message--good { color: #7ef0a6; }
.message--bad  { color: #ff9b8f; }

.result {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.15);
}

.result--win, .result--blackjack { background: #2ecc71; color: #06301a; }
.result--lose, .result--bust     { background: #e74c3c; color: #340c07; }

/* ── Controls ─────────────────────────────────────────────────────────────── */
.controls { min-height: 60px; }

.control-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.prompt { font-size: 14px; opacity: 0.9; }

.bet-display {
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* ── Chips ────────────────────────────────────────────────────────────────── */
.chips { display: flex; gap: 6px; }

.chip {
  width: 46px;
  height: 46px;
  min-height: 46px;
  padding: 0;
  border-radius: 50%;
  border: 3px dashed rgba(255, 255, 255, 0.75);
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
}

.chip--5   { background: #b03a2e; }
.chip--25  { background: #1e7a45; }
.chip--100 { background: #2c3e50; }
.chip--500 { background: #6c3483; }

/* ── Status bar & rules ───────────────────────────────────────────────────── */
.statusbar {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  opacity: 0.7;
}

.rules {
  font-size: 13px;
  opacity: 0.85;
}

.rules summary { cursor: pointer; padding: 4px 0; }

.rules ul { margin: 6px 0 0; padding-left: 20px; line-height: 1.6; }

kbd {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: inherit;
  font-size: 11px;
}