*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold: #c8a84b;
  --gold-dim: #a8882e;
  --gold-faint: #1e1810;
  --bg: #0b0b0b;
  --bg-card: #111111;
  --bg-card2: #161616;
  --border: #222222;
  --border-light: #2a2a2a;
  --text: #e8e8e8;
  --text-muted: #666;
  --text-dim: #444;
  --font-serif: 'Noto Serif TC', serif;
  --font-sans: 'Noto Sans TC', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --r: 6px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,11,11,0.96);
  border-bottom: 0.5px solid var(--border);
  backdrop-filter: blur(8px);
}
.topbar-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 24px; height: 54px;
  display: flex; align-items: center; gap: 32px;
}
.logo {
  font-family: var(--font-serif);
  font-size: 26px; font-weight: 700;
  text-decoration: none; letter-spacing: 2px;
  flex-shrink: 0;
}
.logo-iron { color: var(--gold); }
.logo-net { color: #fff; }

.nav { display: flex; gap: 4px; flex: 1; }
.nav-link {
  font-size: 13px; color: var(--text-muted);
  text-decoration: none; padding: 6px 12px;
  border-radius: var(--r); transition: color 0.15s;
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link.active { background: var(--bg-card2); }

.topbar-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.user-area { display: flex; align-items: center; gap: 8px; }
.hidden { display: none !important; }

.points-badge {
  display: flex; align-items: center; gap: 5px;
  background: var(--gold-faint); border: 0.5px solid #3a2e0a;
  border-radius: 20px; padding: 4px 12px;
  font-size: 13px; color: var(--gold); font-family: var(--font-mono);
}
.pts-icon { font-size: 11px; }

.btn-ghost, .btn-gold, .btn-ghost-sm {
  border-radius: var(--r); font-size: 12px;
  cursor: pointer; font-family: var(--font-sans);
  transition: all 0.15s;
}
.btn-ghost {
  background: transparent; border: 0.5px solid var(--border-light);
  color: #bbb; padding: 6px 14px;
}
.btn-ghost:hover { border-color: #444; color: #fff; }
.btn-ghost-sm {
  background: transparent; border: 0.5px solid var(--border-light);
  color: #999; padding: 4px 10px;
}
.btn-ghost-sm:hover { color: #fff; border-color: #444; }
.btn-gold {
  background: var(--gold); border: none;
  color: #0b0b0b; padding: 6px 14px; font-weight: 500;
}
.btn-gold:hover { background: #d4b050; }

.hero {
  max-width: 1100px; margin: 0 auto;
  padding: 48px 24px 0;
  border-bottom: 0.5px solid var(--border);
}
.hero-eyebrow {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--gold); letter-spacing: 3px; margin-bottom: 12px;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: 36px; font-weight: 700;
  color: #fff; line-height: 1.2; margin-bottom: 10px;
}
.hero-title-sub { font-size: 22px; color: var(--text-muted); font-weight: 400; }
.hero-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 32px; }

.hero-stat-row {
  display: flex; gap: 0;
  border-top: 0.5px solid var(--border);
  margin: 0 -24px; padding: 0 24px;
}
.stat-item { padding: 16px 24px; }
.stat-num {
  font-family: var(--font-mono); font-size: 24px;
  color: var(--gold); font-weight: 500;
}
.stat-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.stat-divider { width: 0.5px; background: var(--border); margin: 12px 0; }

.tabs-bar {
  border-bottom: 0.5px solid var(--border);
  background: var(--bg);
  position: sticky; top: 54px; z-index: 90;
}
.tabs-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 24px; display: flex; gap: 0;
}
.tab {
  background: transparent; border: none; border-bottom: 2px solid transparent;
  color: var(--text-muted); font-size: 13px;
  padding: 12px 18px; cursor: pointer;
  font-family: var(--font-sans); transition: all 0.15s;
}
.tab:hover { color: #ccc; }
.tab.active { color: var(--gold); border-bottom-color: var(--gold); }

.main-content {
  max-width: 1100px; margin: 0 auto;
  padding: 24px 24px 60px;
}

.match-list { display: flex; flex-direction: column; gap: 10px; }
.loading-state, .empty-state {
  text-align: center; color: var(--text-muted);
  padding: 60px 0; font-size: 13px;
}

.match-card {
  background: var(--bg-card);
  border: 0.5px solid var(--border);
  border-radius: var(--r);
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 80px 1fr 160px;
  gap: 16px; align-items: center;
  transition: border-color 0.15s;
}
.match-card:hover { border-color: var(--border-light); }

.match-left { display: flex; flex-direction: column; gap: 6px; }
.sport-badge {
  display: inline-block;
  font-family: var(--font-mono); font-size: 13px;
  padding: 4px 12px; border-radius: 3px;
  border: 0.5px solid var(--border-light);
  color: var(--text-muted); background: var(--bg-card2);
  letter-spacing: 0.5px;
}
.sport-badge.nba { color: #4a9eff; border-color: #1a3a60; }
.sport-badge.mlb { color: #ff6b4a; border-color: #601a10; }
.sport-badge.npb { color: #4aff9a; border-color: #104030; }
.match-time { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); white-space: nowrap; }

.match-teams-row {
  display: flex; align-items: center; gap: 12px; margin-bottom: 8px;
}
.team-a, .team-b { font-size: 18px; font-weight: 500; color: var(--text); flex: 1; }
.team-b { text-align: right; min-width: 200px; }
.vs-divider { font-size: 11px; color: var(--text-dim); flex-shrink: 0; }

.prob-bar-wrap { display: flex; align-items: center; gap: 8px; }
.prob-label { font-size: 10px; color: var(--text-dim); white-space: nowrap; }
.prob-bar { flex: 1; height: 3px; background: var(--border); border-radius: 2px; overflow: hidden; }
.prob-fill { height: 100%; background: var(--gold); border-radius: 2px; }

.match-right { flex-shrink: 0; min-width: 140px; text-align: right; }
.unlock-btn {
  display: flex; align-items: center; gap: 6px;
  background: transparent; border: 0.5px solid var(--border-light);
  border-radius: var(--r); padding: 8px 14px;
  color: var(--gold); font-size: 12px;
  cursor: pointer; font-family: var(--font-sans);
  transition: all 0.15s; white-space: nowrap;
}
.unlock-btn:hover { border-color: var(--gold); background: var(--gold-faint); }
.unlock-btn .cost { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.unlocked-badge {
  display: flex; align-items: center; gap: 6px;
  background: var(--gold); border: none;
  border-radius: var(--r); padding: 8px 14px;
  color: #0b0b0b; font-size: 12px; font-weight: 500;
  white-space: nowrap;
}

.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal {
  background: #121212; border: 0.5px solid var(--border-light);
  border-radius: 10px; padding: 32px 28px;
  width: 100%; max-width: 380px; position: relative;
}
.modal-close {
  position: absolute; top: 14px; right: 16px;
  background: transparent; border: none;
  color: var(--text-muted); font-size: 16px; cursor: pointer;
}
.modal-close:hover { color: #fff; }
.modal-logo {
  font-family: var(--font-serif); font-size: 22px;
  font-weight: 700; margin-bottom: 16px; letter-spacing: 2px;
}
.modal-title { font-size: 16px; font-weight: 500; color: #fff; margin-bottom: 20px; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 11px; color: var(--text-muted); margin-bottom: 5px; }
.form-group input {
  width: 100%; background: #0d0d0d;
  border: 0.5px solid var(--border-light);
  border-radius: var(--r); padding: 9px 12px;
  color: var(--text); font-size: 13px; font-family: var(--font-sans);
}
.form-group input:focus { outline: none; border-color: var(--gold); }

.btn-gold-full {
  width: 100%; padding: 11px;
  background: var(--gold); border: none; border-radius: var(--r);
  color: #0b0b0b; font-size: 14px; font-weight: 500;
  cursor: pointer; font-family: var(--font-sans);
  margin-top: 6px; transition: background 0.15s;
}
.btn-gold-full:hover { background: #d4b050; }

.modal-switch { text-align: center; font-size: 12px; color: var(--text-muted); margin-top: 14px; }
.modal-switch a { color: var(--gold); cursor: pointer; }

.form-error {
  background: #1e0a0a; border: 0.5px solid #4a1010;
  border-radius: var(--r); padding: 8px 12px;
  font-size: 12px; color: #ff6b6b; margin-bottom: 12px;
}

.unlock-match-info { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.8; }
.unlock-cost-row, .unlock-balance-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0; border-bottom: 0.5px solid var(--border); font-size: 13px;
}
.cost-badge {
  background: var(--gold-faint); border: 0.5px solid #3a2e0a;
  border-radius: 20px; padding: 3px 12px;
  color: var(--gold); font-family: var(--font-mono); font-size: 13px;
}
.unlock-balance-row { border-bottom: none; margin-bottom: 8px; }

.reveal-icon { font-size: 32px; color: var(--gold); text-align: center; margin-bottom: 8px; }
.reveal-match-label { font-size: 12px; color: var(--text-muted); margin-bottom: 16px; }
.reveal-prediction-box {
  background: var(--gold-faint); border: 0.5px solid #3a2e0a;
  border-radius: var(--r); padding: 20px; text-align: center; margin-bottom: 14px;
}
.reveal-label { font-size: 11px; color: var(--text-muted); letter-spacing: 1px; margin-bottom: 6px; }
.reveal-team { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--gold); }
.reveal-note { font-size: 12px; color: var(--text-muted); line-height: 1.7; border-top: 0.5px solid var(--border); padding-top: 12px; }

@media (max-width: 640px) {
  .match-card { grid-template-columns: 1fr; gap: 10px; }
  .hero-title { font-size: 24px; }
  .nav { display: none; }
}