:root{--bg:#f4f6fb;--panel:#fff;--text:#1a1d26;--muted:#5f6368;--accent:#1a56db;--accent-soft:#e8efff;--border:#dadce0;--success:#137333;--danger:#c5221f;--radius:12px;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.shell-sidebar{background:#0f172a;color:#e2e8f0;padding:24px 16px;display:flex;flex-direction:column;gap:8px}.shell-sidebar strong{color:#fff;font-size:1.1rem;margin-bottom:16px}.shell-sidebar nav a{display:block;color:#cbd5e1;padding:10px 12px;border-radius:8px}.shell-sidebar nav a.active,.shell-sidebar nav a:hover{background:#1e293b;color:#fff;text-decoration:none}.shell-main{padding:28px 32px;max-width:960px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin-bottom:16px}.card h2{margin:0 0 12px;font-size:1.15rem}.btn{display:inline-block;border:none;border-radius:8px;padding:10px 16px;font-weight:600;cursor:pointer;background:var(--accent);color:#fff}.btn.secondary{background:var(--accent-soft);color:var(--accent)}.btn:disabled{opacity:.6;cursor:not-allowed}.input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;margin-bottom:12px;font:inherit}.dns-row{display:grid;grid-template-columns:120px 1fr;grid-gap:8px;gap:8px;font-size:.9rem;margin-bottom:8px}.dns-row code{word-break:break-all;background:#f1f3f4;padding:6px 8px;border-radius:6px;display:block}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.75rem;font-weight:600}.badge.ok{background:#e6f4ea;color:var(--success)}.badge.pending{background:#fef7e0;color:#b06000}.badge.fail{background:#fce8e6;color:var(--danger)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:min(420px,100%);background:var(--panel);border-radius:var(--radius);padding:28px;border:1px solid var(--border);box-shadow:0 8px 32px rgba(15,23,42,.08)}.auth-card h1{margin:0 0 8px;font-size:1.35rem}.auth-error{color:var(--danger);font-size:.9rem;margin-bottom:12px}@media (max-width:800px){.shell{grid-template-columns:1fr}.shell-sidebar{flex-direction:row;flex-wrap:wrap;align-items:center}}