:root{--bg:#f6f3ee;--panel:#fff;--ink:#2b2520;--muted:#6f655b;--line:#e2dbd2;--accent:#9a5b1e;--you:#eef3fa;--bot:#fbf3e8}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif}
header{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--panel)}
header span{color:var(--muted)}
main{display:grid;grid-template-columns:360px 1fr;gap:20px;max-width:1300px;margin:20px auto;padding:0 16px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
h2{margin:0 0 12px;font-size:1.15rem}
label{display:block;margin:10px 0;color:var(--muted);font-size:.92rem}
[hidden]{display:none!important}
select{display:block;width:100%;margin-top:4px;padding:8px;font:inherit;color:var(--ink)}
.check{display:flex;gap:8px;align-items:flex-start;color:var(--ink)}
.card{background:#fff8e6;border:1px solid #ecd9a8;border-radius:8px;padding:10px;margin:6px 0 10px}
.buttons{display:flex;gap:10px;margin:14px 0}
button{padding:10px 16px;font:inherit;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer}
button:disabled{opacity:.45;cursor:default}
#end{background:#fff;color:var(--accent)}
.hint{color:var(--muted);font-size:.88rem}
pre{white-space:pre-wrap;font-size:.8rem;max-height:320px;overflow:auto;background:#faf8f5;padding:8px;border-radius:6px}
#transcript{min-height:360px;max-height:62vh;overflow:auto;display:flex;flex-direction:column;gap:8px}
.turn{padding:8px 12px;border-radius:10px;max-width:85%}
.turn.you{background:var(--you);align-self:flex-start}
.turn.bot{background:var(--bot);align-self:flex-end}
.turn b{display:block;font-size:.8rem;color:var(--muted)}
.latency{display:inline-block;margin-left:6px;padding:1px 6px;border-radius:6px;background:#e8f1e4;color:#335a2a;font-size:.78rem}
.latency.slow{background:#f7e6e0;color:#8a3a22}
.summary{margin-top:14px;padding:10px;border-top:1px solid var(--line)}
.downloads a{display:inline-block;margin:8px 12px 0 0;color:var(--accent)}
#clock{color:var(--muted);font-weight:normal;font-size:.9rem}
@media(max-width:860px){main{grid-template-columns:1fr}.turn{max-width:100%}}