@import "https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap";:root{--bg:#f6f3ec;--paper:#fffdf8;--ink:#1c1915;--muted:#6b6560;--line:#ddd6c8;--agent-a:#0d7377;--agent-a-bg:#d8f3f0;--agent-b:#c23b22;--agent-b-bg:#fde8e4;--user-bg:#efece4;--go:#1f6b4a;--stop:#b42318;--err:#9b1c1c;color:var(--ink);background:var(--bg);font-family:IBM Plex Sans,"Source Sans 3",sans-serif;font-size:17px;line-height:1.55}*,:before,:after{box-sizing:border-box}body{background:var(--bg);margin:0}.app{flex-direction:column;min-height:100vh;display:flex}.top{justify-content:space-between;align-items:center;gap:16px;width:100%;max-width:800px;margin:0 auto;padding:18px 20px 0;display:flex}.brand{letter-spacing:-.02em;color:var(--ink);font-size:20px;font-weight:700;text-decoration:none}.sso{color:var(--muted);font-size:14px}.sso a{color:var(--ink);text-underline-offset:2px;text-decoration:underline}.sso a:hover{color:var(--agent-a)}.hero{flex:1;width:100%;max-width:780px;margin:0 auto;padding:40px 20px 64px}h1{letter-spacing:-.03em;margin:0 0 12px;font-size:44px;font-weight:700;line-height:1.12}.pitch{color:var(--muted);max-width:36em;margin:0 0 8px;font-size:18px}.meta{color:var(--muted);margin:0 0 24px;font-family:IBM Plex Mono,ui-monospace,monospace;font-size:13px}.seed{border:1px solid var(--line);background:var(--paper);width:100%;min-height:140px;color:var(--ink);font:inherit;resize:vertical;border-radius:8px;padding:14px 16px}.seed:focus{border-color:var(--agent-a);outline:none;box-shadow:0 0 0 3px #0d73771f}.hero-actions{flex-direction:column;gap:8px;margin-top:16px;display:flex}button,.btn{background:var(--go);color:#fff;cursor:pointer;font:inherit;border:0;border-radius:6px;padding:12px 20px;font-weight:600}button:disabled{opacity:.5;cursor:not-allowed}button.stop{background:var(--stop);letter-spacing:.04em;padding:8px 16px;font-size:14px;font-weight:700}.chat{flex:1;width:100%;max-width:800px;margin:0 auto;padding:24px 20px 64px}.chat-meta{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.chat-log{max-height:min(62vh,640px);padding-right:4px;overflow:auto}.empty{padding:32px 0}.typing{gap:6px;padding:8px 4px 4px;display:flex}.typing-dot{background:var(--muted);opacity:.45;border-radius:50%;width:7px;height:7px}.bubble{border-radius:10px;max-width:92%;margin:12px 0;padding:12px 16px}.bubble.user{background:var(--user-bg);margin-left:auto}.bubble.a{background:var(--agent-a-bg);color:#08393b}.bubble.b{background:var(--agent-b-bg);color:#5c1a10}.who{margin-bottom:4px;font-family:IBM Plex Mono,ui-monospace,monospace;font-size:12px;font-weight:500}.who.user{color:var(--muted)}.who.a{color:var(--agent-a)}.who.b{color:var(--agent-b)}.bubble-text{white-space:pre-wrap}.chat-footer{border-top:1px solid var(--line);margin-top:20px;padding-top:16px}.err{color:var(--err);margin:12px 0;font-size:15px}.err a,.hero-actions .meta a{color:var(--ink)}@media (width<=600px){h1{font-size:32px}.hero{padding:28px 16px 48px}}