:root{--bg:#0b1220;--card: rgba(255,255,255,.06);--card2: rgba(255,255,255,.09);--border: rgba(255,255,255,.12);--text: rgba(255,255,255,.92);--muted: rgba(255,255,255,.65);--primary:#4f46e5;--primary2:#6d66ff;--danger:#ef4444;--shadow: 0 18px 50px rgba(0,0,0,.45);--radius: 18px}*{box-sizing:border-box}body{margin:0;background:#0b1220;color:#fff;font-family:Arial;padding:20px}body{margin:0;background:radial-gradient(1200px 700px at 20% -10%,rgba(79,70,229,.35),transparent 60%),radial-gradient(900px 600px at 90% 10%,rgba(34,197,94,.18),transparent 55%),var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}.shell{max-width:980px;margin:0 auto;padding:18px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;border:1px solid var(--border);background:linear-gradient(180deg,var(--card2),var(--card));border-radius:var(--radius);box-shadow:var(--shadow)}.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.2px;font-size:18px}.badge{font-size:12px;padding:4px 10px;border:1px solid var(--border);border-radius:999px;color:var(--muted);background:#ffffff0a}.row{display:flex;gap:10px;align-items:center}.spacer{height:16px}.card{border:1px solid var(--border);background:linear-gradient(180deg,var(--card2),var(--card));border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.h1{font-size:26px;margin:0 0 10px;letter-spacing:.2px}.sub{color:var(--muted);margin:0 0 12px}.input{width:100%;padding:12px;border-radius:14px;border:1px solid var(--border);background:#ffffff0d;color:var(--text);outline:none}.input:focus{border-color:#4f46e5b3;box-shadow:0 0 0 4px #4f46e526}.btn{border:0;padding:12px 14px;border-radius:14px;color:#fff;background:linear-gradient(180deg,var(--primary2),var(--primary));font-weight:800;cursor:pointer}.btn:hover{filter:brightness(1.05)}.btn:disabled{opacity:.55;cursor:not-allowed}.btnGhost{border:1px solid var(--border);padding:10px 12px;border-radius:14px;background:#ffffff0a;color:var(--text);cursor:pointer}.btnDanger{border:1px solid rgba(239,68,68,.35);background:#ef44441a;color:#fecaca;padding:10px 12px;border-radius:14px;cursor:pointer}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 760px){.grid2{grid-template-columns:1fr}}.err{color:#fecaca;background:#ef44441f;border:1px solid rgba(239,68,68,.28);padding:10px 12px;border-radius:14px;margin-bottom:12px}.itemRow{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid var(--border);border-radius:16px;background:#ffffff0a}.itemName{flex:1}.muted{color:var(--muted);font-size:12px}