:root{--bg:#0f1117;--surface:#171a24;--surface-2:#1f2330;--border:#2a2f3e;--text:#e5e7eb;--muted:#9ca3af;--dim:#6b7280;--primary:#60a5fa;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--purple:#a78bfa;--radius:10px}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit}.center-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:max(24px,env(safe-area-inset-top)) 24px max(24px,env(safe-area-inset-bottom))}.shell{width:100%;max-width:720px}.brand{text-align:center;margin-bottom:32px}.brand h1{font-size:28px;font-weight:700;letter-spacing:-.02em;margin:0 0 6px}.brand p{color:var(--muted);margin:0;font-size:14px}.card-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}@media (max-width:640px){.card-grid{grid-template-columns:1fr}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:border-color .15s,transform .15s;display:block}.card:hover{border-color:var(--primary);transform:translateY(-2px)}.card-title{font-size:18px;font-weight:600;margin:0 0 6px}.card-desc{color:var(--muted);font-size:13px;margin:0 0 16px}.card-tag{display:inline-block;background:var(--surface-2);color:var(--muted);font-size:11px;padding:3px 8px;border-radius:4px;letter-spacing:.04em;text-transform:uppercase}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px}.login-card h1{margin:0 0 8px;font-size:22px}.login-card p{color:var(--muted);margin:0 0 20px;font-size:13px}.field{display:block;width:100%;background:var(--surface-2);border:1px solid var(--border);color:var(--text);padding:12px 14px;border-radius:8px;font-size:15px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.field:focus{outline:none;border-color:var(--primary)}.btn{display:inline-block;background:var(--primary);color:#0a0e14;border:1px solid var(--primary);padding:10px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;width:100%;margin-top:12px}.btn:hover{background:#93c5fd}.btn:disabled{opacity:.6;cursor:not-allowed}.error{color:var(--danger);font-size:13px;margin-top:10px;min-height:18px}.footer{text-align:center;margin-top:32px;color:var(--dim);font-size:12px}.footer a{color:var(--muted)}.footer a:hover{color:var(--text)}