:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#18312b;background:#f3f6f3;--panel:#fff;--line:#d3dfd8;--muted:#566b62;--accent:#126a51}
*{box-sizing:border-box}body{margin:0}header{display:flex;align-items:center;justify-content:space-between;padding:18px max(20px,calc((100vw - 760px)/2));border-bottom:1px solid var(--line);background:var(--panel);gap:16px}.brand{font-weight:750}main{max-width:760px;margin:auto;padding:20px 18px 40px}h1{font-size:1.7rem;margin:18px 0 8px}p{line-height:1.6}a{color:var(--accent)}button,input,select,textarea{font:inherit;font-size:16px;border:1px solid var(--line);border-radius:10px;padding:12px}button{min-height:44px;cursor:pointer;background:var(--accent);color:#fff}button:disabled{opacity:.55;cursor:wait}input,textarea,select{width:100%;background:var(--panel);color:inherit}textarea{resize:vertical}label{display:block;margin:16px 0 8px}input,textarea,select{display:block;margin-top:8px}#notice{white-space:pre-wrap;color:#a02c20}#projects a{display:block;padding:20px;background:var(--panel);margin:12px 0;border:1px solid var(--line);border-radius:12px;text-decoration:none}article{margin:14px 0;padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:14px}article.assistant{border-left:4px solid var(--accent)}.meta{font-size:.8rem;color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65;margin:12px 0}.muted{color:var(--muted);font-size:.85rem}.actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:12px 0}#composer{border-top:1px solid var(--line);padding-top:8px;margin-top:24px}#send{min-width:110px}[hidden]{display:none!important}:focus-visible{outline:3px solid #d9aa32;outline-offset:3px}
@media(prefers-color-scheme:dark){:root{color:#e4eee8;background:#12211b;--panel:#1b3027;--line:#355145;--muted:#b0c5b8;--accent:#60cda6}button{color:#12211b}#notice{color:#ffb3a8}}