.demo-embed{--bg:#0f1115;--card:#181b22;--border:#262b36;--text:#e6e9ef;--muted:#8b93a3;--accent:#6c8cff;--err:#ff6b6b;--ok:#35c98a;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:16px;padding:22px;font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.demo-embed .sub{color:var(--muted);margin:0 0 20px;font-size:13px}.demo-embed .sub code{background:var(--card);border:1px solid var(--border);border-radius:6px;padding:2px 8px}.demo-embed .grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}@media (width<=800px){.demo-embed .grid{grid-template-columns:1fr}}.demo-embed .card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px}.demo-embed .card h2{margin:0 0 18px;font-size:17px}.demo-embed .card-head{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.demo-embed .card-head h2{margin:0}.demo-embed .badge{border:1px solid var(--border);color:var(--muted);background:#0f1319;border-radius:999px;padding:3px 10px;font-size:12px}.demo-embed .badge.on{color:#ffd27d;background:#241f14;border-color:#6b5a2e}.demo-embed .dot{vertical-align:middle;background:#ffd27d;border-radius:50%;width:6px;height:6px;margin-left:6px;display:inline-block}.demo-embed .field{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.demo-embed .field label{color:var(--muted);font-size:13px}.demo-embed input,.demo-embed textarea{border:1px solid var(--border);width:100%;color:var(--text);background:#0f1319;border-radius:9px;outline:none;padding:10px 12px;font-size:14px;transition:border-color .15s}.demo-embed input:focus,.demo-embed textarea:focus{border-color:var(--accent)}.demo-embed input[aria-invalid=true]{border-color:var(--err)}.demo-embed .hint{color:#5c6474;font-size:11px}.demo-embed .msg{font-size:12px}.demo-embed .msg.err{color:var(--err)}.demo-embed .msg.ok{color:var(--ok)}.demo-embed .msg.validating{color:var(--accent)}.demo-embed .check{align-items:center;gap:8px;margin:4px 0 20px;display:flex}.demo-embed .check input{width:auto}.demo-embed .check span{font-size:14px}.demo-embed .actions{gap:10px;display:flex}.demo-embed button{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:9px;flex:1;padding:11px;font-size:14px;font-weight:600}.demo-embed button:disabled{opacity:.4;cursor:not-allowed}.demo-embed button.ghost{color:var(--text);border-color:var(--border);background:0 0}.demo-embed .state .row{border-bottom:1px solid var(--border);justify-content:space-between;padding:8px 0;display:flex}.demo-embed .state .row b{color:var(--muted)}.demo-embed .state .row b.on{color:var(--ok)}.demo-embed .state .row b.bad{color:var(--err)}.demo-embed .block{margin-top:14px}.demo-embed .block-title{color:var(--muted);margin-bottom:4px;font-size:12px}.demo-embed pre{border:1px solid var(--border);color:#b9c0cf;background:#0f1319;border-radius:8px;margin:0;padding:10px 12px;font-size:12px;overflow-x:auto}.demo-embed .codeviewer{margin-top:34px}.demo-embed .cv-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;display:flex}.demo-embed .cv-head h2{margin:0;font-size:17px}.demo-embed .cv-tabs{gap:6px;display:flex}.demo-embed .cv-tab{border:1px solid var(--border);color:var(--muted);cursor:pointer;background:0 0;border-radius:8px;flex:none;padding:6px 12px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:12.5px;font-weight:600}.demo-embed .cv-tab.on{background:var(--accent);border-color:var(--accent);color:#fff}.demo-embed .cv-note{color:var(--muted);margin:0 0 12px;font-size:12px}.demo-embed .cv-note code{background:var(--card);border:1px solid var(--border);border-radius:5px;padding:1px 6px}.demo-embed .cv-frame{border:1px solid var(--border);background:#0f1319;border-radius:12px;overflow:hidden}.demo-embed .cv-pre{color:#c8d0e4;background:0 0;border:none;border-radius:0;max-height:560px;margin:0;padding:16px 18px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.7;overflow:auto}.demo-embed .cv-pre code{font:inherit}.demo-embed .tk-c{color:#6b7488;font-style:italic}.demo-embed .tk-s{color:#9ad36f}.demo-embed .tk-k{color:#7c9bff}.demo-embed .tk-t{color:#56c7b0}.demo-embed .tk-n{color:#e2ac66}.demo-embed .toast{color:#fff;z-index:50;border-radius:10px;padding:12px 20px;font-size:14px;font-weight:600;animation:.22s toast-in;position:fixed;bottom:32px;left:50%;transform:translate(-50%);box-shadow:0 8px 30px #00000073}.demo-embed .toast.ok{background:#1f9d63}.demo-embed .toast.err{background:#d64545}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%)}}