:root {
  --bg: #0a0e12;
  --surface: #11171d;
  --raised: #171f27;
  --hover: #1d2731;
  --line: #242e38;
  --text: #d9e2ea;
  --dim: #8a98a6;
  --faint: #5b6773;
  --accent: #4fb8c9;
  --win: #4ec27b;
  --loss: #e05a5a;
  --gold: #e0b64a;
  --felt: #0d5c39;
  --felt-dark: #09472c;
  --felt-line: #1f7d52;
  --felt-text: #ecf7f0;
  --red: #b0313a;
  --black: #151b21;
  --zero: #106b45;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --sans: "Open Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Hack", ui-monospace, "SFMono-Regular", "Cascadia Code", monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(1100px 600px at 80% -10%, rgba(79, 184, 201, 0.06), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.45; }

.shell { min-height: 100%; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 14, 18, 0.86);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand {
  color: var(--text);
  font-family: var(--mono);
  font-size: 19px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.brand span { color: var(--win); }
.brand:hover { text-decoration: none; }
.tagline {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.spacer { flex: 1; }
.session { display: flex; align-items: center; gap: 12px; }
.session .who { color: var(--dim); font-family: var(--mono); font-size: 12px; }
.session .who strong { color: var(--text); font-weight: 600; }
.balance {
  color: var(--win);
  font-family: var(--mono);
  font-size: 16px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  white-space: nowrap;
}

main { width: min(1240px, 100%); margin: 0 auto; padding: 28px 24px 64px; flex: 1; }

h1, h2, h3 { margin: 0; font-weight: 600; }
h1 { font-size: 26px; letter-spacing: -0.01em; }
h2 { font-size: 18px; }
.muted { color: var(--dim); }
.faint { color: var(--faint); }
.mono { font-family: var(--mono); }
.label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--dim);
}
.error-text { color: var(--loss); }
.win-text { color: var(--win); }

.btn {
  border: 1px solid var(--line);
  background: var(--raised);
  color: var(--text);
  padding: 9px 14px;
  border-radius: var(--radius-md);
  line-height: 1.2;
  transition: background 120ms ease, border-color 120ms ease, transform 80ms ease;
}
.btn:hover:not(:disabled) { background: var(--hover); border-color: #33404d; }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn.primary {
  background: var(--win);
  border-color: var(--win);
  color: #06120b;
  font-weight: 700;
}
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn.accent {
  background: rgba(79, 184, 201, 0.14);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}
.btn.danger {
  background: rgba(224, 90, 90, 0.12);
  border-color: rgba(224, 90, 90, 0.55);
  color: var(--loss);
}
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 9px; font-size: 12px; }
.btn.wide { width: 100%; }
.btn.big { padding: 13px 18px; font-size: 15px; }

.input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  outline: none;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(79, 184, 201, 0.18); }
.field { display: grid; gap: 6px; }
.row { display: flex; align-items: center; gap: 10px; }
.row.wrap { flex-wrap: wrap; }
.hr { height: 1px; background: var(--line); border: 0; margin: 18px 0; }

/* Auth */
.auth-wrap { display: grid; place-items: center; min-height: 52vh; }
.auth-card {
  width: min(430px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}
.auth-tabs { display: flex; gap: 4px; margin-bottom: 20px; background: var(--bg); padding: 4px; border-radius: var(--radius-md); }
.auth-tab { flex: 1; border: 0; background: transparent; color: var(--dim); padding: 8px; border-radius: var(--radius-sm); }
.auth-tab.active { background: var(--raised); color: var(--text); }
.auth-card form { display: grid; gap: 14px; }
.auth-foot { margin-top: 16px; font-size: 12px; color: var(--faint); }

/* Lobby */
.lobby-head { display: flex; align-items: end; gap: 18px; margin-bottom: 22px; flex-wrap: wrap; }
.lobby-head .spacer { flex: 1; }
.game-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.game-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 178px;
  position: relative;
  overflow: hidden;
}
.game-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--accent);
  opacity: 0.7;
}
.game-card.crash::before { background: var(--gold); }
.game-card.roulette::before { background: var(--felt-line); }
.game-card.blackjack::before { background: var(--loss); }
.game-card h3 { font-size: 17px; }
.game-card p { margin: 0; color: var(--dim); font-size: 13px; flex: 1; }
.game-card .row { justify-content: space-between; }
.bet-input { width: 92px; }

/* Game shell */
.game-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.game-head .spacer { flex: 1; }
.game-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
  align-items: start;
}
.board {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  min-height: 560px;
  overflow: hidden;
}
.sidebar {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 84px;
}
.sidebar .actions { margin-top: auto; display: grid; gap: 8px; }
.sidebar .stat { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; }
.sidebar .stat strong { font-family: var(--mono); font-weight: 600; }
.note { color: var(--dim); font-size: 12px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip-btn {
  font-family: var(--mono);
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--raised);
  padding: 5px 10px;
}
.chip-btn.active { border-color: var(--gold); color: var(--gold); background: rgba(224, 182, 74, 0.1); }

/* Slots */
.reels {
  display: grid;
  grid-template-columns: repeat(5, minmax(60px, 1fr));
  gap: 10px;
  max-width: 760px;
  margin: 24px auto 0;
}
.reel { display: grid; gap: 8px; }
.tile {
  aspect-ratio: 1 / 0.92;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--bg);
  font-family: var(--mono);
  font-size: clamp(26px, 5vw, 54px);
  font-weight: 700;
  color: var(--dim);
  transition: color 90ms ease, border-color 90ms ease, background 90ms ease;
}
.tile.sym-C { color: #c8d1da; }
.tile.sym-L { color: #7cc4d4; }
.tile.sym-O { color: #d8c27a; }
.tile.sym-G { color: #83d09a; }
.tile.sym-D { color: #d48d8d; }
.tile.sym-S { color: #e0b64a; }
.tile.win { border-color: var(--win); background: rgba(78, 194, 123, 0.12); color: var(--win); }
.tile.spinning { color: var(--faint); }
.win-lines { text-align: center; margin-top: 18px; color: var(--dim); font-size: 12px; min-height: 18px; }

/* Cards */
.hand { margin: 16px 0; }
.hand .label { margin-bottom: 8px; }
.cards { display: flex; gap: 8px; flex-wrap: wrap; min-height: 116px; }
.card {
  width: 76px;
  height: 108px;
  border-radius: 9px;
  background: #f2f5f7;
  color: #121820;
  border: 1px solid #cfd8df;
  padding: 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--mono);
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22);
}
.card.red { color: #a51f2d; }
.card.back { background: repeating-linear-gradient(135deg, #1d2731, #1d2731 6px, #26333f 6px, #26333f 12px); border-color: #33404d; }
.card .rank { font-size: 22px; line-height: 1; }
.card .suit { font-size: 22px; align-self: flex-end; }
.card.back .rank, .card.back .suit { color: var(--faint); }
.total { color: var(--dim); font-family: var(--mono); font-size: 12px; }
.total strong { color: var(--text); font-size: 15px; }
.outcome { margin-top: 20px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--bg); }

/* Crash */
.crash-wrap { position: relative; }
.crash-number {
  font-family: var(--mono);
  font-size: clamp(44px, 9vw, 86px);
  line-height: 1;
  letter-spacing: -0.04em;
}
.crash-number.running { color: var(--gold); }
.crash-number.crashed { color: var(--loss); }
.crash-number.cashed { color: var(--win); }
.crash-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 10px; color: var(--faint); font-size: 11px; font-family: var(--mono); }
.verify { margin-top: 12px; padding: 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); font-size: 11px; color: var(--dim); word-break: break-all; }
.verify.ok { border-color: rgba(78, 194, 123, 0.4); color: var(--win); }
.verify.bad { border-color: rgba(224, 90, 90, 0.5); color: var(--loss); }

/* Roulette */
.roulette-wrap { position: relative; }
canvas { display: block; width: 100%; }
.roulette-canvas { height: 540px; }
.crash-canvas { height: 360px; }
.wheel-result {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(10, 14, 18, 0.86);
  font-family: var(--mono);
}
.wheel-result .num { font-size: 26px; font-weight: 700; }
.wheel-result.red .num { color: #f06a74; }
.wheel-result.black .num { color: #dfe8ef; }
.wheel-result.green .num { color: #66d49a; }

/* History */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 13px; white-space: nowrap; }
th { color: var(--dim); font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em; }
tr:last-child td { border-bottom: 0; }
td.num { font-family: var(--mono); }
td.pos { color: var(--win); }
td.neg { color: var(--loss); }

/* Toasts and overlays */
.site-foot {
  width: min(1240px, 100%);
  margin: 0 auto;
  padding: 0 24px 28px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
}
.site-foot a { color: var(--dim); }

#toasts { position: fixed; right: 18px; bottom: 18px; display: grid; gap: 8px; z-index: 50; width: min(380px, calc(100vw - 36px)); }
.toast {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 13px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  animation: toast-in 160ms ease-out;
}
.toast.good { border-left-color: var(--win); }
.toast.bad { border-left-color: var(--loss); }
@keyframes toast-in { from { opacity: 0; transform: translateY(6px); } }
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 11, 0.78);
  display: grid;
  place-items: center;
  z-index: 60;
  padding: 24px;
}
.modal {
  width: min(440px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}
.modal p { color: var(--dim); }

@media (max-width: 900px) {
  .game-body { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .tagline { display: none; }
}
@media (max-width: 620px) {
  main { padding: 18px 14px 54px; }
  .topbar { padding: 0 14px; gap: 10px; }
  .session .who { display: none; }
  .balance { font-size: 14px; }
  .reels { gap: 6px; }
  .tile { font-size: clamp(18px, 7vw, 34px); }
  .card { width: 58px; height: 84px; }
  .crash-canvas { height: 260px; }
  .roulette-canvas { height: 400px; }
}