:root{--bg:#0f1117;--surface:#171a23;--surface-2:#1e222d;--border:#2a2f3c;--text:#eceef4;--muted:#99a0b0;--primary:#6c5ce7;--primary-hover:#5a4bd4;--accent:#00d1a0;--danger:#ff6b6b;--warning:#ffce54;--radius:14px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:radial-gradient(1200px 600px at 50% -10%, #1c2030 0%, var(--bg) 60%);min-height:100vh;color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.container{width:100%;max-width:880px;margin:0 auto;padding:24px 20px 64px}.narrow{max-width:440px}.center-screen{place-items:center;min-height:100vh;padding:24px;display:grid}h1,h2,h3{margin:0 0 8px;line-height:1.2}h1{font-size:30px}p.lead{color:var(--muted);margin-top:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.card+.card{margin-top:16px}.stack{flex-direction:column;gap:14px;display:flex}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.between{justify-content:space-between}.field{flex-direction:column;gap:6px;display:flex}label{color:var(--muted);font-size:13px}input{background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:10px;width:100%;padding:12px 14px;font-size:16px}input:focus{border-color:var(--primary);outline:none}button{cursor:pointer;background:var(--primary);color:#fff;border:none;border-radius:10px;padding:12px 18px;font-size:15px;font-weight:600;transition:background .15s}button:hover:not(:disabled){background:var(--primary-hover)}button:disabled{opacity:.55;cursor:not-allowed}button.secondary{background:var(--surface-2);border:1px solid var(--border);color:var(--text)}button.ghost{border:1px solid var(--border);color:var(--muted);background:0 0;padding:8px 12px;font-weight:500}.button-link{background:var(--primary);color:#fff;border-radius:10px;align-items:center;gap:8px;padding:11px 16px;font-weight:600;display:inline-flex}.badge{background:var(--surface-2);border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:3px 10px;font-size:12px;display:inline-block}.badge.ok{color:var(--accent);border-color:#00d1a066}.badge.warn{color:var(--warning);border-color:#ffce5466}.muted{color:var(--muted)}.error{color:var(--danger);font-size:14px}.success{color:var(--accent);font-size:14px}.nav{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:20px;display:flex}.nav a{color:var(--muted);border-radius:8px;padding:7px 12px;font-size:14px}.nav a:hover,.nav a.active{color:var(--text);background:var(--surface-2)}.nav .spacer{flex:1}.stamps{grid-template-columns:repeat(auto-fill,minmax(54px,1fr));gap:10px;margin:18px 0;display:grid}.stamp{aspect-ratio:1;border:2px dashed var(--border);color:var(--border);border-radius:50%;place-items:center;font-size:20px;display:grid}.stamp.filled{border-style:solid;border-color:var(--accent);color:var(--accent);background:#00d1a01f}.qr-box{background:#fff;border-radius:12px;padding:14px;line-height:0;display:inline-block}.qr-box svg{width:240px;height:240px}.scan-video{border-radius:var(--radius);border:1px solid var(--border);background:#000;width:100%;max-width:420px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--border);padding:10px 8px}th{color:var(--muted);font-weight:500}.hero{text-align:center;padding:48px 0 24px}.stat{font-size:26px;font-weight:700}.stat-label{color:var(--muted);font-size:13px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;display:grid}