index.css

/*
  NexusGGR / FiversCan API — lobby styles for index.html
  =======================================================
  Plain CSS, no framework: a dark casino theme with a sidebar (player, cashier, providers), a responsive
  game grid, an overlay player (iframe) and a toast for API errors. Swap the --brand tokens for your own.
  API access: https://t.me/casino_api777  ·  https://nexusggr.games
*/

:root {
  --bg: #0f1218;
  --bg-elev: #171c25;
  --bg-card: #1d2330;
  --line: #2a3242;
  --text: #e8ecf3;
  --muted: #8b95a7;
  --brand: #f5b700;
  --brand-ink: #1a1400;
  --danger: #ff5a5f;
  --ok: #2ecc71;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, #24304a 0%, var(--bg) 55%) fixed;
}

h2 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 22px 0 10px; }
h2:first-child { margin-top: 0; }
h3 { margin: 0; font-size: 15px; }

/* ---- top bar ---- */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 20px;
  background: rgba(15, 18, 24, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: var(--brand); color: var(--brand-ink); font-weight: 900;
}
.balances { display: flex; gap: 10px; }
.balance {
  display: flex; flex-direction: column; min-width: 110px;
  padding: 6px 12px; border-radius: var(--radius);
  background: var(--bg-elev); border: 1px solid var(--line);
}
.balance span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.balance strong { font-variant-numeric: tabular-nums; }

/* ---- layout ---- */
.layout {
  display: grid; grid-template-columns: 280px 1fr; gap: 20px;
  padding: 20px; max-width: 1400px; margin: 0 auto;
}
.panel {
  align-self: start; position: sticky; top: 76px;
  padding: 18px; border-radius: var(--radius);
  background: var(--bg-elev); border: 1px solid var(--line);
}
.content-head { display: flex; align-items: baseline; justify-content: space-between; }
.hint { color: var(--muted); font-size: 12px; margin: 6px 0 0; }

/* ---- form controls ---- */
.field { display: block; margin: 8px 0; }
.field span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.field input {
  width: 100%; padding: 9px 11px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit;
}
.field input:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: transparent; }
.row { display: flex; gap: 8px; margin-top: 8px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 14px; border-radius: 8px; cursor: pointer; text-decoration: none;
  border: 1px solid var(--line); background: var(--bg-card); color: var(--text); font: inherit; font-weight: 600;
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn:hover { background: #253044; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--brand); color: var(--brand-ink); border-color: transparent; }
.btn-primary:hover { background: #ffc61a; }
.row .btn { flex: 1; }

/* ---- provider chips ---- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 6px 11px; border-radius: 999px; cursor: pointer; font: inherit; font-size: 13px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
}
.chip:hover { border-color: var(--brand); }
.chip-active { background: var(--brand); color: var(--brand-ink); border-color: transparent; font-weight: 700; }
.chip-off { opacity: 0.45; cursor: not-allowed; text-decoration: line-through; }

/* ---- game grid ---- */
.grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
}
.card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 10px; border-radius: var(--radius);
  background: var(--bg-card); border: 1px solid var(--line);
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.card:hover { transform: translateY(-2px); border-color: #3a4560; }
.card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 8px; background: var(--bg); }
.card-noimg::before {
  content: "🎰"; display: grid; place-items: center; font-size: 40px;
  width: 100%; aspect-ratio: 1 / 1; border-radius: 8px; background: var(--bg);
}
.card small { color: var(--muted); font-size: 11px; word-break: break-all; }
.card .btn { margin-top: auto; }
.card-off { opacity: 0.6; }

/* ---- player overlay ---- */
.player {
  position: fixed; inset: 0; z-index: 10;
  display: flex; flex-direction: column;
  background: #000;
}
.player[hidden] { display: none; }
.player-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; background: var(--bg-elev); border-bottom: 1px solid var(--line);
}
.player-bar .row { margin: 0; }
.player iframe { flex: 1; width: 100%; border: 0; }

/* ---- toast ---- */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 20; transform: translateX(-50%);
  max-width: min(90vw, 520px); padding: 12px 16px; border-radius: 10px;
  background: var(--ok); color: #04210f; font-weight: 600; box-shadow: var(--shadow);
}
.toast-error { background: var(--danger); color: #fff; }
.toast[hidden] { display: none; }

/* ---- small screens ---- */
@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; padding: 14px; }
  .panel { position: static; }
  .topbar { flex-wrap: wrap; }
  .balances { width: 100%; }
  .balance { flex: 1; }
}