*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#111827;background:#f7f8fa}a{color:#2563eb}.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:24px}.container{max-width:960px;margin:0 auto;padding:24px}.center{max-width:380px;margin:80px auto;padding:0 20px}input{width:100%;padding:10px 12px;margin:6px 0 14px;border:1px solid #d1d5db;border-radius:8px}button,input{font-size:14px}button{background:#111827;color:#fff;border:0;border-radius:8px;padding:10px 16px;cursor:pointer}button:disabled{opacity:.6;cursor:default}.err{color:#b91c1c;margin:4px 0 10px}.err,.muted{font-size:13px}.muted{color:#6b7280}label{font-size:13px;font-weight:600}.grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;background:#eef2ff;color:#3730a3}