:root{--bg: #f7f8fb;--card: #ffffff;--muted: #6b7280;--brand: #5b6cff;--brand-600: #4757e6;--danger: #ef4444;--glass: rgba(255,255,255,.6);--radius: 10px;--shadow: 0 6px 18px rgba(19,24,33,.08);--max-width: 1100px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:#0f172a;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{max-width:var(--max-width);margin:32px auto;padding:24px}.hidden{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app-center{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;padding:24px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;width:100%;max-width:420px}.brand{font-weight:700;color:var(--brand-600);font-size:20px}.login-title{font-size:20px;margin:0 0 12px;color:#0b1220}.form-field{margin-bottom:14px}.form-field label{display:block;margin-bottom:6px;font-size:13px;color:var(--muted)}.input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid #e6e9ef;background:transparent;font-size:15px;color:#071029}.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px #5b6cff14}.text-muted{color:var(--muted);font-size:13px}.error-text{color:var(--danger);font-size:13px;margin-top:6px}.form-row{display:flex;align-items:center;justify-content:space-between}.checkbox{display:flex;align-items:center;gap:8px}.checkbox input{width:16px;height:16px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:10px;border:0;background:var(--brand);color:#fff;font-weight:600;cursor:pointer;font-size:15px;transition:transform .08s ease,box-shadow .12s ease}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.secondary{background:#111827}.btn.ghost{background:transparent;color:var(--brand);border:1px solid rgba(91,108,255,.12)}.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:var(--card);border-radius:12px;box-shadow:var(--shadow);margin-bottom:18px}.nav .controls{display:flex;gap:12px;align-items:center}.small{font-size:13px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.panel{background:var(--card);padding:16px;border-radius:12px;box-shadow:var(--shadow)}.status{padding:12px;border-radius:8px;margin-bottom:12px}.status.info{background:#eef2ff;color:#3730a3}.status.success{background:#ecfdf5;color:#065f46}.status.error{background:#fff1f2;color:#7f1d1d}pre{white-space:pre-wrap;background:#fafafa;border-radius:8px;padding:12px;border:1px solid #efefef;font-size:13px}.muted{color:var(--muted)}@media (max-width:640px){#app{margin:12px;padding:12px}.card{padding:18px}}