:root {
  --bg: #1a0b2e;
  --bg-soft: #2a1248;
  --panel: #341a5c;
  --gold: #ffd166;
  --gold-soft: #f4b942;
  --text: #f5f0ff;
  --muted: #c7b8e6;
  --accent: #ff5d8f;
  --win: #5ce1a6;
  --radius: 16px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 50% -10%, #3a1a66 0%, var(--bg) 55%);
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--gold); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold);
  color: #2a1248;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(26, 11, 46, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 209, 102, 0.2);
}
.nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { font-weight: 700; font-size: 1.2rem; color: var(--gold); }
.nav-links {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}
.nav-links a:hover,
.nav-links a:focus { color: var(--gold); }

/* ===== Layout ===== */
main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.hero { text-align: center; padding: 28px 0 8px; }
.hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  margin: 0 0 12px;
  color: var(--gold);
  line-height: 1.25;
}
.lede {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto;
}

h2 {
  font-size: 1.5rem;
  color: var(--gold);
  border-left: 4px solid var(--gold-soft);
  padding-left: 12px;
  margin-top: 40px;
}

/* ===== Game ===== */
.game-board {
  margin-top: 20px;
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid rgba(255, 209, 102, 0.25);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  text-align: center;
}
.credits {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--gold);
  font-weight: 600;
}
.reels {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 8px 0 18px;
}
.reel {
  width: 96px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 12px;
  box-shadow: inset 0 0 0 4px var(--gold-soft);
  font-size: 3.4rem;
  overflow: hidden;
}
.reel .symbol { display: block; line-height: 1; }
.reel.spinning .symbol { animation: spin 0.12s linear infinite; }
@keyframes spin {
  0% { transform: translateY(-12px); opacity: 0.4; }
  100% { transform: translateY(12px); opacity: 1; }
}

.result {
  min-height: 1.6em;
  font-size: 1.05rem;
  margin: 6px 0 18px;
  font-weight: 600;
}
.result.win { color: var(--win); }
.result.lose { color: var(--accent); }

.controls { display: flex; flex-direction: column; gap: 16px; align-items: center; }
.bet {
  border: 1px solid rgba(255, 209, 102, 0.3);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
.bet legend { color: var(--muted); padding: 0 6px; font-size: 0.9rem; }
.bet-btn, .spin-btn, .reset-btn {
  font: inherit;
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid transparent;
  padding: 10px 18px;
  transition: transform 0.08s ease, background 0.2s ease;
}
.bet-btn {
  background: var(--bg-soft);
  color: var(--text);
  border-color: rgba(255, 209, 102, 0.3);
}
.bet-btn.is-active { background: var(--gold); color: #2a1248; font-weight: 700; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.spin-btn {
  background: linear-gradient(135deg, var(--gold), var(--gold-soft));
  color: #2a1248;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 12px 28px;
}
.spin-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.reset-btn { background: transparent; color: var(--muted); border-color: rgba(255,255,255,0.2); }

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}
.spin-btn:active { transform: scale(0.96); }

/* ===== Info sections ===== */
.info p { color: var(--muted); }
.steps { color: var(--muted); padding-left: 22px; }
.steps li { margin: 8px 0; }
.steps strong { color: var(--text); }

.payout-table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 0.98rem;
  background: rgba(255,255,255,0.03);
  border-radius: 12px;
  overflow: hidden;
}
.payout-table caption { color: var(--text); font-weight: 600; padding-bottom: 8px; text-align: left; }
.payout-table th, .payout-table td {
  border: 1px solid rgba(255, 209, 102, 0.18);
  padding: 10px 12px;
  text-align: center;
}
.payout-table thead th { background: rgba(255, 209, 102, 0.15); color: var(--gold); }
.payout-table tbody td:first-child { font-size: 1.4rem; }
.note { font-size: 0.9rem; color: var(--muted); }

.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 10px 18px;
  margin: 14px 0;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 209, 102, 0.18);
  border-radius: 12px;
}
.facts dt { color: var(--gold); font-weight: 600; white-space: nowrap; }
.facts dd { color: var(--muted); margin: 0; }

/* ===== FAQ ===== */
.faq-list details {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255, 209, 102, 0.18);
  border-radius: 10px;
  padding: 4px 16px;
  margin: 10px 0;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  padding: 10px 0;
  color: var(--text);
}
.faq-list p { color: var(--muted); margin: 0 0 12px; }

.responsible {
  border: 1px solid rgba(92, 225, 166, 0.3);
  border-radius: var(--radius);
  padding: 16px 20px;
  background: rgba(92, 225, 166, 0.06);
}
.responsible h2 { border-color: var(--win); color: var(--win); }

/* ===== Footer ===== */
.site-footer {
  text-align: center;
  padding: 28px 20px 40px;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 209, 102, 0.15);
}
.site-footer nav a { color: var(--gold); text-decoration: none; margin: 0 4px; }

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .reel { width: 80px; height: 94px; font-size: 2.8rem; }
  .nav-links { gap: 12px; font-size: 0.9rem; }
  .hero h1 { font-size: 1.6rem; }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reel.spinning .symbol { animation: none; }
  * { transition: none !important; }
}