:root {
  --bg: #0f1420;
  --surface: #171f30;
  --surface-2: #1f2a40;
  --text: #e8ecf5;
  --muted: #93a0b8;
  --accent: #4f8cff;
  --accent-2: #6ee7b7;
  --danger: #ff6b6b;
  --border: #2a3550;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.brand:hover { text-decoration: none; opacity: 0.85; }

.tabs { display: flex; gap: 18px; flex: 1; }
.tabs a { color: var(--muted); font-weight: 600; }
.tabs a:hover { color: var(--text); text-decoration: none; }

.account { display: flex; align-items: center; gap: 10px; }
.balance { font-weight: 700; color: var(--accent-2); }

.btn-primary, .btn-ghost, .btn-preset {
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #6ba0ff; text-decoration: none; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); text-decoration: none; }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; display: inline-block; margin-top: 20px; }

.content { max-width: 960px; margin: 0 auto; padding: 32px 24px 64px; }

.hero h1 { font-size: 2.2rem; margin-bottom: 8px; }
.lead { color: var(--muted); font-size: 1.05rem; }

.how-it-works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 32px 0; }
.step { display: flex; gap: 14px; align-items: flex-start; }
.step-n {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent-2);
}
.step h3 { margin: 0 0 4px; font-size: 1rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.game-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 28px 0; }
.game-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  color: var(--text);
}
.game-card:hover { border-color: var(--accent); text-decoration: none; }
.game-card--soon { opacity: 0.7; }
.game-card h2 { margin: 0 0 8px; }
.game-card p { margin: 0; color: var(--muted); }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 20px 0 36px; }
.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.stat-box h3 { margin-top: 0; font-size: 0.95rem; color: var(--muted); }

.chip-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  background: var(--surface-2);
  border-radius: 999px;
  padding: 4px 10px;
  font-weight: 600;
  font-size: 0.9rem;
}
.chip span { color: var(--muted); font-weight: 400; font-size: 0.8rem; }
.chip-cold { color: #7fb3ff; }
.chip-star { color: var(--accent-2); }

.result-box {
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 32px;
}
.combo { font-size: 1.3rem; margin: 12px 0; }
.ball {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  margin-right: 6px;
  font-weight: 700;
}
.ball-star { background: #2d2a12; border-color: var(--accent-2); color: var(--accent-2); }
.ball-extra { opacity: 0.65; width: 32px; height: 32px; font-size: 0.9rem; }
.ball-locked { background: var(--surface); border-style: dashed; color: var(--muted); }
.extra { color: var(--muted); }

.result-box--locked { border-color: var(--border); }
.result-box h3 { margin: 0 0 8px; font-size: 1.05rem; }
.result-box + .result-box { margin-top: 16px; }

.addon-row { display: flex; gap: 10px; margin-top: 10px; }
.addon-row button { font-size: 0.85rem; padding: 6px 12px; }

.buy-panel h2 { margin-bottom: 4px; }
.muted { color: var(--muted); }
.buy-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 240px)); gap: 16px; margin-top: 16px; }
.buy-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  max-width: 260px;
}
.buy-card h3 { margin: 0 0 8px; }
.buy-card .price { font-size: 1.4rem; font-weight: 700; color: var(--accent-2); margin: 0 0 14px; }
.buy-card button { width: 100%; }

.coming-soon { text-align: center; padding: 60px 0; }

.balance-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 20px 0 28px;
}
.balance-label { color: var(--muted); }
.balance-amount { font-size: 1.8rem; font-weight: 700; color: var(--accent-2); }

.recharge-panel { margin-bottom: 40px; }
.recharge-form { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
.preset-buttons { display: flex; gap: 8px; }
.btn-preset { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn-preset:hover { border-color: var(--accent); }
.custom-amount { display: flex; gap: 8px; align-items: center; }
.custom-amount input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text);
  width: 140px;
}

.history-table { width: 100%; border-collapse: collapse; margin-bottom: 28px; }
.history-table th, .history-table td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.history-table th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
.amount-pos { color: var(--accent-2); }
.amount-neg { color: var(--danger); }

.auth-form { max-width: 380px; margin: 40px auto; }
.auth-form form { display: flex; flex-direction: column; gap: 14px; margin: 20px 0; }
.auth-form label { display: flex; flex-direction: column; gap: 6px; font-size: 0.9rem; color: var(--muted); }
.auth-form input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 1rem;
}

.flashes { margin-bottom: 20px; }
.flash { padding: 10px 16px; border-radius: 8px; margin-bottom: 8px; }
.flash-error { background: #3a1a1a; border: 1px solid var(--danger); color: #ffb4b4; }
.flash-success { background: #16321f; border: 1px solid var(--accent-2); color: var(--accent-2); }

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 24px;
  border-top: 1px solid var(--border);
}

@media (max-width: 640px) {
  .stat-grid, .buy-options, .game-cards { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; }
}