:root{--bg:#14161b;--panel:#1d2027;--line:#30343d;--text:#eceef2;--muted:#9aa1ad;--gold:#d9a441;--green:#3fb96f;--red:#e0584f}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,"Segoe UI",sans-serif}
a{color:inherit}
.top{display:flex;align-items:center;gap:20px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-weight:700;font-size:18px;color:var(--gold);text-decoration:none;letter-spacing:1px}
nav{display:flex;gap:16px;flex:1;flex-wrap:wrap}
nav a{text-decoration:none;color:var(--muted);padding:4px 0;border-bottom:2px solid transparent}
nav a.on{color:var(--text);border-color:var(--gold)}
.who{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}
main{max-width:1100px;margin:0 auto;padding:24px 16px}
main.wide{max-width:none;padding:0}
h1{font-size:26px;margin:8px 0 6px}
h2{font-size:18px;margin:24px 0 10px}
.muted{color:var(--muted)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;margin:12px 0}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spread{justify-content:space-between}
button,.btn{background:var(--gold);color:#1a1405;border:0;border-radius:7px;padding:8px 14px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block}
button.ghost{background:transparent;color:var(--text);border:1px solid var(--line);font-weight:500}
button.danger{background:var(--red);color:#fff}
button:disabled{opacity:.5;cursor:not-allowed}
input,select{background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:7px;padding:8px 10px;font:inherit}
.tag{font-size:12px;padding:2px 8px;border-radius:99px;border:1px solid var(--line);color:var(--muted)}
.tag.ok{color:var(--green);border-color:var(--green)}
.tag.bad{color:var(--red);border-color:var(--red)}
.code{font-family:ui-monospace,Consolas,monospace;font-size:15px;letter-spacing:.5px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:500}
.scroll{overflow-x:auto}
.warn{border-left:3px solid var(--gold);padding:8px 12px;background:#2a2518;border-radius:0 7px 7px 0;margin:12px 0}
ol{padding-left:20px}
#frame{width:100%;height:calc(100vh - 57px);border:0;display:block;background:#000}
#hint{max-width:760px;margin:24px auto;padding:0 16px}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px 16px;opacity:0;transition:opacity .2s;pointer-events:none;max-width:90vw}
#toast.show{opacity:1}
@media(max-width:640px){.top{gap:10px}nav{order:3;width:100%}}