:root{--bg:#0b0f1a;--panel:#131a2b;--panel-2:#1b2336;--border:#28304a;--text:#e6e9f2;--muted:#97a0b8;--accent:#6c8cff;--accent-2:#4f6ef0;--green:#34d399;--amber:#fbbf24;--red:#f87171}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}.nav{display:flex;align-items:center;gap:20px;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--panel)}.nav .brand{font-weight:700;font-size:18px;margin-right:12px}.nav a{color:var(--muted);font-size:14px}.nav a.active,.nav a:hover{color:var(--text)}.nav .spacer{flex:1 1}.container{max-width:1100px;margin:0 auto;padding:28px 24px}h1{font-size:22px;margin:0 0 4px}h2{font-size:16px;margin:24px 0 12px}.sub{color:var(--muted);font-size:13px;margin:0 0 20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;margin-bottom:16px}.row{display:flex;gap:12px;align-items:center}.btn{background:var(--accent-2);color:white;border:none;border-radius:8px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer}.btn:hover{background:var(--accent)}.btn.secondary{background:var(--panel-2);border:1px solid var(--border)}.btn:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px 12px;font-size:14px;width:100%}label{display:block;font-size:12px;color:var(--muted);margin:12px 0 6px}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge,th{font-size:12px}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-weight:700}.tier-A{background:rgba(52,211,153,.18);color:var(--green)}.tier-B{background:rgba(108,140,255,.18);color:var(--accent)}.tier-C{background:rgba(251,191,36,.18);color:var(--amber)}.tier-D{background:rgba(248,113,113,.18);color:var(--red)}.status{font-size:12px;color:var(--muted)}.status.done{color:var(--green)}.status.awaiting_approval{color:var(--amber)}.error,.status.failed{color:var(--red)}.error{font-size:13px;margin:8px 0}.muted{color:var(--muted)}.center{min-height:80vh;display:flex;align-items:center;justify-content:center}.auth-card{width:360px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:12px;gap:12px}.stat{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:14px}.stat .n{font-size:24px;font-weight:700}.stat .l{font-size:12px;color:var(--muted)}.seq-step{border-left:2px solid var(--border);padding:6px 0 6px 14px;margin:10px 0;white-space:pre-wrap;font-size:13px}