:root{--bg:#0b1220;--card:#121b2e;--text:#e8eefc;--muted:#a7b4d6;--border:#ffffff1f;--btn:#2b62ff;--btn2:#ffffff14}*{box-sizing:border-box}html,body{height:100%}body{background:radial-gradient(1200px 800px at 30% 10%,#2b62ff40,transparent 50%),radial-gradient(900px 600px at 80% 30%,#00d6ff26,transparent 50%),var(--bg);color:var(--text);margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}a{color:var(--text);opacity:.9;text-decoration:none}a:hover{opacity:1}.shell{max-width:1280px;margin:0 auto;padding:24px}.header{border:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#121b2e99;border-radius:14px;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.brand{letter-spacing:.3px;font-weight:700}.nav{gap:14px;font-size:14px;display:flex}.main{padding:22px 6px}.card{border:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#121b2ea6;border-radius:14px;padding:18px}h1{margin:0 0 10px;font-size:28px}p{color:var(--muted);line-height:1.5}.form{gap:10px;margin-top:14px;display:grid}.label{color:var(--muted);font-size:14px}.input{border:1px solid var(--border);width:100%;color:var(--text);background:#00000040;border-radius:10px;outline:none;padding:10px 12px}.input:focus{border-color:#2b62ffb3}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.btn{border:1px solid var(--border);background:var(--btn);color:#fff;cursor:pointer;border-radius:10px;padding:10px 14px;font-weight:600}.btn.secondary{background:var(--btn2)}.btn:disabled{opacity:.6;cursor:not-allowed}.mono{border:1px solid var(--border);background:#00000040;border-radius:10px;padding:10px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;overflow-x:auto}.notice{color:#ffd27d;margin-top:10px;font-size:14px}.error{color:#ff9ca3}.success{color:#9dffb3}