:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #121824;
    --bg-card: #182234;
    --text-primary: #e2e8f0;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    --border: #27354a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background-color: var(--bg-primary); color: var(--text-primary); line-height: 1.6; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.navbar { background-color: var(--bg-secondary); border-bottom: 1px solid var(--border); padding: 1rem 0; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.brand { font-size: 1.5rem; font-weight: 700; color: #fff; text-decoration: none; }
.brand span { color: var(--accent); }
.nav-links a { color: var(--text-muted); text-decoration: none; margin-left: 1.5rem; font-size: 0.95rem; }
.nav-links a:hover { color: #fff; }
.nav-links .api-badge { background: rgba(56, 189, 248, 0.15); color: var(--accent); padding: 0.3rem 0.6rem; border-radius: 4px; border: 1px solid rgba(56, 189, 248, 0.3); }
.hero { text-align: center; padding: 3.5rem 0 2rem; }
.hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 0.75rem; color: #fff; }
.subtitle { color: var(--text-muted); font-size: 1.1rem; max-width: 700px; margin: 0 auto; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin: 2.5rem 0; }
.stat-card { background-color: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; padding: 1.75rem; text-align: center; }
.stat-value { font-size: 2.25rem; font-weight: 700; color: var(--accent); }
.stat-label { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.5rem; text-transform: uppercase; }
.action-box { background-color: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; padding: 2rem; margin-bottom: 2rem; }
.action-box h2 { font-size: 1.3rem; margin-bottom: 1rem; }
.lookup-form { display: flex; gap: 0.75rem; }
.lookup-form input { flex: 1; background-color: var(--bg-primary); border: 1px solid var(--border); color: #fff; padding: 0.85rem 1.25rem; border-radius: 6px; font-size: 1rem; }
.lookup-form button { background-color: var(--accent); color: #04101e; font-weight: 600; border: none; padding: 0.85rem 1.75rem; border-radius: 6px; cursor: pointer; font-size: 1rem; }
.lookup-form button:hover { background-color: var(--accent-hover); }
.results-container { margin-top: 2rem; }
.card { background-color: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; padding: 2rem; }
.data-table { width: 100%; margin-top: 1rem; border-collapse: collapse; }
.data-table th, .data-table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); text-align: left; }
.data-table th { color: var(--text-muted); width: 30%; }
.badge { padding: 0.25rem 0.6rem; border-radius: 4px; font-size: 0.85rem; font-weight: 600; }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.alert { padding: 1.25rem; border-radius: 6px; margin-bottom: 1rem; }
.alert-success { background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); color: #34d399; }
.alert-danger { background: rgba(239, 68, 68, 0.15); border: 1px solid rgba(239, 68, 68, 0.3); color: #f87171; }
.b2b-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.b2b-card { background-color: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; padding: 2rem; }
.b2b-card h3 { margin-bottom: 0.75rem; color: #fff; }
.b2b-card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 1rem; }
.b2b-card code { display: block; background-color: var(--bg-primary); border: 1px solid var(--border); padding: 0.6rem 0.8rem; border-radius: 4px; font-size: 0.85rem; color: var(--accent); }
footer { margin-top: 4rem; padding: 2rem 0; border-top: 1px solid var(--border); text-align: center; color: var(--text-muted); font-size: 0.85rem; }