:root {
  --bg-main: #0c0f17;
  --bg-card: #131824;
  --bg-card-hover: #192030;
  --accent-gold: #f59e0b;
  --accent-gold-hover: #d97706;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border: #232b3e;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg-main); color: var(--text-main); font-family: var(--font-sans);
  line-height: 1.6; min-height: 100vh;
}

.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }

header {
  border-bottom: 1px solid var(--border); background: rgba(12, 15, 23, 0.95);
  backdrop-filter: blur(14px); position: sticky; top: 0; z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
  color: #fff; font-weight: 800; font-size: 1.25rem;
}
.logo-icon { color: var(--accent-gold); font-size: 1.5rem; }
.year-badge {
  background: rgba(245, 158, 11, 0.15); color: var(--accent-gold);
  border: 1px solid rgba(245, 158, 11, 0.4); font-size: 0.72rem; font-weight: 800;
  padding: 2px 7px; border-radius: 4px;
}
nav a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; margin-left: 24px; font-weight: 500; transition: color 0.2s; }
nav a:hover { color: #fff; }

.hero { padding: 50px 0 30px; text-align: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.35); color: var(--accent-indigo);
  padding: 5px 14px; border-radius: 20px; font-size: 0.82rem; font-weight: 600; margin-bottom: 16px;
}
.hero h1 { font-size: 2.9rem; font-weight: 900; letter-spacing: -1px; margin-bottom: 14px; }
.hero h1 span { color: var(--accent-gold); }
.hero p { color: var(--text-muted); font-size: 1.15rem; max-width: 720px; margin: 0 auto; }

/* Mempool Stream Terminal */
.mempool-terminal {
  background: #080a10; border: 1px solid #1a2234; border-radius: 10px;
  margin: 30px 0 40px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.term-bar {
  background: #101522; padding: 10px 16px; display: flex; justify-content: space-between;
  align-items: center; border-bottom: 1px solid #1a2234; font-size: 0.78rem; font-family: var(--font-mono); color: var(--text-dim);
}
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-emerald); display: inline-block; animation: pulse 1.8s infinite; }
@keyframes pulse { 0% { opacity: 0.4; } 50% { opacity: 1; } 100% { opacity: 0.4; } }
.term-feed {
  padding: 14px 18px; max-height: 180px; overflow-y: hidden; font-family: var(--font-mono); font-size: 0.82rem;
  display: flex; flex-direction: column; gap: 8px;
}
.feed-row { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px dashed #172033; padding-bottom: 6px; }
.feed-tag { color: var(--accent-emerald); font-weight: 700; }
.feed-pool { color: var(--accent-indigo); font-weight: 600; }
.feed-vol { color: #fff; font-weight: 700; }

/* Filter Tabs */
.filter-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 30px; flex-wrap: wrap; }
.tab-btn {
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-muted);
  padding: 8px 18px; border-radius: 20px; font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: all 0.2s;
}
.tab-btn:hover { border-color: var(--accent-gold); color: #fff; }
.tab-btn.active { background: var(--accent-gold); color: #000; border-color: var(--accent-gold); font-weight: 700; }

/* Table / Card List */
.rankings-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 60px; }
.rank-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 24px 28px; display: grid; grid-template-columns: 80px 1.8fr 1fr 140px 170px;
  align-items: center; gap: 24px; transition: border-color 0.2s, transform 0.2s;
}
.rank-card:hover { border-color: rgba(245, 158, 11, 0.4); transform: translateY(-2px); }
.rank-card.top1 {
  background: linear-gradient(180deg, #182033, #131824); border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 10px 25px rgba(245, 158, 11, 0.08);
}
.rank-num { font-size: 2.2rem; font-weight: 900; font-family: var(--font-mono); color: var(--text-dim); }
.rank-card.top1 .rank-num { color: var(--accent-gold); }

.card-main h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.card-main p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.45; }
.badges { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.badge-pill { font-size: 0.72rem; padding: 2px 8px; border-radius: 4px; font-weight: 600; background: rgba(255,255,255,0.06); }
.badge-pill.gold { background: rgba(245, 158, 11, 0.15); color: var(--accent-gold); }
.badge-pill.green { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }

.meta-stats { font-size: 0.82rem; color: var(--text-muted); font-family: var(--font-mono); line-height: 1.6; }
.meta-stats strong { color: #fff; }

.rating-box { text-align: center; }
.rating-num { font-size: 2.2rem; font-weight: 900; font-family: var(--font-mono); color: #fff; }
.rating-label { font-size: 0.7rem; color: var(--text-dim); text-transform: uppercase; font-weight: 700; }

.btn-visit {
  background: var(--accent-gold); color: #000; font-weight: 800; padding: 12px 18px;
  border-radius: 8px; text-decoration: none; text-align: center; font-size: 0.88rem;
  transition: opacity 0.2s; display: block;
}
.btn-visit:hover { opacity: 0.9; }

/* FAQ & Analysis Block */
.content-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 36px; margin-bottom: 60px; }
.content-box h2 { font-size: 1.5rem; margin-bottom: 16px; }
.content-box p { color: var(--text-muted); margin-bottom: 16px; font-size: 0.95rem; }

footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--text-dim); font-size: 0.85rem; text-align: center; }
footer a { color: var(--text-muted); text-decoration: none; margin: 0 10px; }
footer a:hover { color: #fff; }

@media (max-width: 900px) {
  .rank-card { grid-template-columns: 1fr; gap: 14px; text-align: left; }
  .rating-box { text-align: left; }
  .hero h1 { font-size: 2.1rem; }
}