:root{--bg:#14161a;--panel:#1c1f25;--fg:#e8e6e1;--muted:#9aa0a6;--gold:#c9a24a;--line:#2a2e35}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);min-height:100%;color:var(--fg);-webkit-font-smoothing:antialiased;font-family:system-ui,Arial,Helvetica,sans-serif}.page{max-width:1100px;margin:0 auto;padding:24px 20px 48px}.page-head h1{color:var(--gold);font-size:1.5rem}.page-head p{color:var(--muted);max-width:70ch;margin-top:6px;font-size:.9rem}.page-head code{color:var(--fg);background:#000;border-radius:4px;padding:1px 5px;font-size:.82em}.page-loading{color:var(--muted);padding:40px}.cfg-wrap{grid-template-columns:1fr 280px;gap:20px;margin-top:22px;display:grid}@media (max-width:760px){.cfg-wrap{grid-template-columns:1fr}}.cfg-stage{background:var(--panel);border:1px solid var(--line);border-radius:12px;min-height:460px;position:relative;overflow:hidden}.cfg-host{position:absolute;inset:0}.cfg-overlay{color:var(--muted);pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.cfg-error{color:#e08a8a;text-align:center;padding:0 20px}.cfg-controls{background:var(--panel);border:1px solid var(--line);border-radius:12px;flex-direction:column;align-self:start;gap:14px;padding:16px;display:flex}.cfg-controls h2{color:var(--gold);font-size:.95rem}.cfg-mode{color:var(--muted);font-size:.8rem}.cfg-controls label{color:var(--muted);flex-direction:column;gap:5px;font-size:.78rem;display:flex}.cfg-controls select{color:var(--fg);border:1px solid var(--line);background:#0f1115;border-radius:7px;padding:8px 9px;font-size:.85rem}.cfg-open{color:var(--muted);align-items:center;gap:8px;font-size:.78rem;display:flex}.cfg-open button{color:var(--fg);border:1px solid var(--line);cursor:pointer;background:#0f1115;border-radius:7px;padding:6px 12px;font-size:.82rem}.cfg-open button.active{border-color:var(--gold);color:var(--gold)}.cfg-open button:disabled{opacity:.5;cursor:default}.cfg-share{color:var(--muted);word-break:break-all;border-top:1px solid var(--line);padding-top:10px;font-size:.68rem}