/* Golden Goal — dark board theme, gold and gem accents. Original styles. */
:root {
  --bg: #101623;
  --panel: #1a2436;
  --panel2: #232f47;
  --line: #33456a;
  --text: #eef3ff;
  --dim: #93a5c4;
  --gold: #ffd23e;
  --gold-dark: #d99a06;
  --green: #22c55e;
  --green-dark: #15803d;
  --red: #ef4444;
  --gem: #39d5f2;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1100px 550px at 50% -10%, #1d2c49 0%, var(--bg) 62%);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px; gap: 10px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 9px; font-weight: 800; letter-spacing: 1.6px; font-size: 19px; }
.brand-icon { width: 34px; height: 34px; }
.top-right { display: flex; align-items: center; gap: 10px; }
.pill { font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 999px; letter-spacing: 0.6px; }
.pill.demo { background: #b45309; color: #fff7e0; }
.pill.real { background: var(--green-dark); color: #eafff2; }
.balance-box { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 6px 12px; font-size: 13px; color: var(--dim); }
.balance-box strong { color: var(--gold); font-size: 16px; margin-left: 6px; }
.ghost-btn { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 7px 11px; cursor: pointer; font-size: 14px; }
main { max-width: 620px; margin: 0 auto; padding: 6px 14px 34px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; box-shadow: 0 8px 22px rgba(0,0,0,0.35); }
.board-wrap { margin-top: 4px; }
.board-head { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.stat { background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 7px 12px; font-size: 12px; color: var(--dim); flex: 1; text-align: center; min-width: 100px; }
.stat strong { display: block; color: var(--gold); font-size: 19px; margin-top: 2px; font-variant-numeric: tabular-nums; }
.board { display: flex; gap: 8px; justify-content: center; }
.col { display: flex; flex-direction: column; gap: 8px; flex: 1 1 0; max-width: 92px; padding: 6px; border-radius: 12px; border: 2px solid transparent; }
.col.active { border-color: var(--gold); background: rgba(245, 166, 35, 0.08); }
.col.done { opacity: 0.75; }
.tile {
  aspect-ratio: 1 / 1; border-radius: 12px; border: 2px solid var(--line);
  background: linear-gradient(180deg, #2b3c5e, #1f2c46);
  color: #7d92b8; font-size: clamp(19px, 5.4vw, 27px); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.06s ease, background 0.15s ease;
}
.tile.closed:hover:not(:disabled) { border-color: var(--gold); color: var(--gold); transform: translateY(-1px); }
.tile:disabled { cursor: default; }
.tile.idle { opacity: 0.55; }
.tile.gem { background: linear-gradient(180deg, #0e4a3a, #083626); border-color: var(--green); color: #fff; }
.tile.mine { background: linear-gradient(180deg, #5e1f1f, #3d1212); border-color: var(--red); }
.tile.safe { background: #16233a; border-color: #2a3c5f; opacity: 0.45; }
.result-line { font-size: 15.5px; font-weight: 800; min-height: 22px; margin: 12px 0 0; text-align: center; }
.result-line.won { color: #7bf0a5; }
.result-line.lost { color: #ff9d94; }
.controls { margin-top: 14px; }
.controls-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .controls-grid { grid-template-columns: 1fr; } }
.field { display: block; font-size: 13px; color: var(--dim); }
.stake-row { display: flex; gap: 6px; margin-top: 5px; }
.stake-row .step {
  width: 42px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel2); color: var(--text); font-size: 19px; cursor: pointer;
}
input[type="number"], input[type="text"] {
  background: #0d1524; border: 1px solid var(--line); color: var(--text);
  border-radius: 10px; padding: 9px 11px; font-size: 15px; width: 100%;
}
input:disabled { opacity: 0.5; }
.stake-row input { flex: 1; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.stake-chips { margin: 10px 0 2px; }
.goal-chips { margin: 8px 0 2px; color: var(--dim); font-size: 13px; }
.chips button {
  background: var(--panel2); border: 1px solid var(--line); color: var(--text);
  border-radius: 999px; padding: 5px 13px; font-size: 13px; font-weight: 700; cursor: pointer;
}
.chips button:hover { border-color: var(--gold); color: var(--gold); }
button.action {
  width: 100%; margin-top: 12px; padding: 15px; border: none; border-radius: 12px;
  font-size: 18px; font-weight: 800; letter-spacing: 0.4px; cursor: pointer;
  background: linear-gradient(180deg, #2bd45e, var(--green-dark)); color: #ffffff;
  box-shadow: 0 5px 0 #0d5c29;
}
button.action:active { transform: translateY(2px); box-shadow: 0 3px 0 #0d5c29; }
button.action.cashout {
  background: linear-gradient(180deg, #ffcf4d, var(--gold-dark)); color: #3a2a00;
  box-shadow: 0 5px 0 #8a6100; animation: pulse 0.8s infinite alternate;
}
@keyframes pulse { from { filter: brightness(1); } to { filter: brightness(1.13); } }
button.action:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none; animation: none; }
#cancelBtn { margin-top: 10px; }
.hint { color: var(--dim); font-size: 13px; margin: 12px 0 0; }
.msg-line { color: #ff9d94; font-size: 13.5px; min-height: 18px; margin: 6px 0 0; font-weight: 600; }
.history-row { margin: 16px 2px 4px; color: var(--dim); font-size: 13px; font-weight: 600; }
.history-list { display: flex; flex-direction: column; gap: 5px; margin-top: 7px; }
.hist {
  background: var(--panel); border: 1px solid var(--line); border-radius: 9px;
  padding: 6px 12px; font-size: 13.5px; font-weight: 600; color: var(--text);
  font-variant-numeric: tabular-nums;
}
.hist.cashed_out { border-color: var(--green); }
.hist.busted { border-color: #7d2b2b; color: #ffb3ab; }
.fairness { margin-top: 16px; }
.fairness h3 { margin: 2px 0 10px; font-size: 15.5px; }
.fair-row { display: flex; align-items: center; gap: 10px; margin: 7px 0; font-size: 13px; color: var(--dim); flex-wrap: wrap; }
.fair-row code { color: var(--gold); word-break: break-all; font-size: 11.5px; }
.fair-row input { width: 110px; }
.small-btn {
  background: var(--panel2); color: var(--text); border: 1px solid var(--line);
  border-radius: 9px; padding: 8px 14px; cursor: pointer; font-size: 13.5px; font-weight: 600;
}
.small-btn:hover { border-color: var(--gold); }
.verify-result { font-size: 13.5px; min-height: 18px; }
.hidden { display: none !important; }

.field-picker { display: flex; gap: 6px; }
.field-picker button {
  flex: 1; padding: 9px 4px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel2); color: var(--text); cursor: pointer; font-size: 13.5px;
}
.field-picker button.sel { border-color: var(--gold); color: var(--gold); font-weight: 700; }
.field-picker button:disabled { opacity: 0.55; cursor: default; }
.ladder-strip { display: flex; flex-wrap: wrap; gap: 5px; margin: 10px 0 2px; }
.ladder-strip .rung {
  font-size: 12px; padding: 4px 8px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--dim); background: var(--panel2);
}
.ladder-strip .rung.done { border-color: var(--green); color: #7fe0ae; }
.ladder-strip .rung.next { border-color: var(--gold); color: var(--gold); font-weight: 700; }
@media (max-width: 520px) {
  .board { gap: 5px; }
  .col { padding: 3px; gap: 5px; border-radius: 9px; }
  .tile { font-size: 15px; border-radius: 9px; }
  .board-head .stat strong { font-size: 17px; }
}