:root{--bg: #0b1020;--panel: #131a2e;--border: #232c47;--text: #e6e9f2;--muted: #8a92b2;--accent: #5b8cff;--accent-2: #7c5bff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:linear-gradient(160deg,var(--bg),#050810);color:var(--text);min-height:100vh}#app{min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.brand{font-size:1.25rem;font-weight:700;background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}nav.tabs{display:flex;gap:.5rem}nav.tabs button{background:transparent;border:1px solid var(--border);color:var(--muted);padding:.5rem 1rem;border-radius:999px;cursor:pointer;font-size:.9rem}nav.tabs button.active{background:var(--accent);border-color:var(--accent);color:#fff}main{max-width:860px;margin:0 auto;padding:2rem 1.5rem}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.panel h2{margin-top:0}.field-row{display:flex;gap:.5rem;margin-bottom:1rem}input[type=text],input[type=password]{flex:1;background:#0d1326;border:1px solid var(--border);color:var(--text);padding:.6rem .8rem;border-radius:8px;font-size:.95rem}button.primary{background:var(--accent);border:none;color:#fff;padding:.6rem 1.2rem;border-radius:8px;cursor:pointer;font-size:.95rem}button.primary:hover{opacity:.9}.echo{color:var(--muted);margin-bottom:1rem}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--border);font-size:.9rem}th{color:var(--muted);font-weight:600}pre.result{background:#0d1326;border:1px solid var(--border);border-radius:8px;padding:1rem;white-space:pre-wrap;word-break:break-word;font-size:.85rem}.status{margin-top:.75rem;font-size:.9rem}.status.error{color:#ff6b6b}.status.ok{color:#63e6be}.hint{color:var(--muted);font-size:.85rem;margin-top:1.5rem}