:root{--slate:#3e4650;--slate-deep:#2a2f36;--red:#e30613;--grey:#8b9199;--line:#e1e3e6;--bg:#f5f5f5;color:var(--slate);font-family:-apple-system,Segoe UI,Inter,sans-serif}*{box-sizing:border-box;border-radius:0}body{background:#fff;margin:0}.centre{max-width:640px;margin:15vh auto;padding:0 16px;line-height:1.55}.muted{color:var(--grey);font-size:.9em}.error{color:#b7050f}button{background:var(--slate-deep);color:#fff;font:inherit;cursor:pointer;border:0;padding:10px 16px}button.secondary{color:var(--slate);border:1px solid var(--grey);background:#fff}button:disabled{opacity:.5;cursor:default}.actions{flex-wrap:wrap;gap:8px;margin:12px 0;display:flex}.chat{flex-direction:column;max-width:820px;height:100vh;margin:0 auto;display:flex}.chat header,.admin header{border-bottom:1px solid var(--line);border-top:3px solid var(--red);align-items:baseline;gap:12px;padding:14px 16px;display:flex}.chat header a,.admin header a{color:var(--slate);margin-left:auto}.thread{flex-direction:column;flex:1;gap:14px;padding:16px;display:flex;overflow-y:auto}.msg{white-space:pre-wrap;max-width:92%;padding:12px 14px;line-height:1.55}.msg.user{background:var(--slate-deep);color:#fff;align-self:flex-end}.msg.assistant{background:var(--bg);white-space:normal;align-self:flex-start}.msg.error{border-left:3px solid var(--red)}.msg blockquote{border-left:3px solid var(--grey);margin:8px 0;padding-left:12px}.composer{border-top:1px solid var(--line);gap:8px;padding:12px 16px;display:flex}.composer textarea{min-height:44px;max-height:160px;font:inherit;resize:vertical;border:1px solid #b9bdc3;flex:1;padding:10px}footer{text-align:center;padding:6px 16px 12px}.admin{max-width:1100px;margin:0 auto;padding-bottom:40px}.admin section{padding:0 16px}.admin table{border-collapse:collapse;width:100%;font-size:.92em}.admin th,.admin td{text-align:left;border-bottom:1px solid var(--line);padding:6px 8px}.clickable{cursor:pointer}.transcript{flex-direction:column;gap:10px;margin-top:16px;display:flex}.meta{color:var(--grey);margin-bottom:4px;font-size:.8em}.notice{background:var(--bg);margin:12px 16px;padding:8px 12px}