:root{--bg:#0b0e11;--panel:#151a21;--border:#2a323c;--text:#e6e9ed;--muted:#8b95a1;--bid:#2ecc71;--ask:#e74c3c;--ok:#2ecc71;--warn:#f39c12}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:SF Mono,Cascadia Code,Consolas,monospace}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px}.panel h2{margin:0 0 12px;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,minmax(260px,1fr));grid-gap:16px;gap:16px;padding:16px}.ladder-row{display:flex;justify-content:space-between;padding:2px 8px;font-size:13px}.ladder-row.ask{color:var(--ask)}.ladder-row.bid{color:var(--bid)}.badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:999px;padding:4px 10px;font-size:12px}.badge.ok{color:var(--ok)}.badge.warn{color:var(--warn)}.stat{display:flex;justify-content:space-between;font-size:13px;padding:3px 0}.stat .value{font-weight:600}