:root{--bg:#f6f7f9;--surface:#fff;--text:#16202c;--muted:#5d6b7a;--border:#e2e6eb;--accent:#1f5fbf;--accent-soft:#e8f0fc;--done:#2e7d4f}@media (prefers-color-scheme:dark){:root{--bg:#0f141a;--surface:#171e26;--text:#e6ebf0;--muted:#94a2b1;--border:#2a3440;--accent:#6ea2ef;--accent-soft:#1c2b40;--done:#5cc58a}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:15px/1.55 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent)}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;padding:8px 14px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button:disabled{opacity:.5;cursor:default}.topbar{border-bottom:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;padding:14px 24px;display:flex}.topbar h1{margin:0;font-size:17px}.topbar .who{color:var(--muted);align-items:center;gap:12px;font-size:14px;display:flex}.layout{grid-template-columns:340px 1fr;gap:20px;max-width:1200px;height:calc(100vh - 60px);margin:0 auto;padding:20px 16px;display:grid}@media (max-width:860px){.layout{grid-template-columns:1fr;height:auto}}.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;overflow:auto}.panel h2{margin:0 0 4px;font-size:15px}.muted{color:var(--muted);font-size:13px}.progress{background:var(--border);border-radius:3px;height:6px;margin:10px 0 16px;overflow:hidden}.progress>div{background:var(--done);height:100%;transition:width .2s}.group{margin-bottom:14px}.group h3{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 6px;font-size:12px}.task{align-items:flex-start;gap:10px;padding:7px 0;display:flex}.task input{accent-color:var(--done);margin-top:4px}.task.done .title{color:var(--muted);text-decoration:line-through}.task .owner{color:var(--muted);font-size:12px}.chat{flex-direction:column;padding:0;display:flex}.messages{flex-direction:column;flex:1;gap:12px;padding:18px;display:flex;overflow:auto}.msg{border-radius:12px;max-width:80%;padding:10px 14px}.msg.user{background:var(--accent);color:#fff;align-self:flex-end}.msg.assistant{background:var(--accent-soft);align-self:flex-start}.msg p{margin:0 0 8px}.msg p:last-child{margin-bottom:0}.msg ul,.msg ol{margin:4px 0 8px;padding-left:20px}.suggestions{flex-wrap:wrap;gap:8px;padding:0 18px 12px;display:flex}.suggestions button{border-radius:16px;padding:6px 10px;font-size:13px}.composer{border-top:1px solid var(--border);gap:8px;padding:12px;display:flex}.composer textarea{resize:none;font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;flex:1;padding:10px}.center{place-items:center;min-height:100vh;padding:16px;display:grid}.card{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:14px;max-width:420px;padding:32px}.card h1{margin-top:0;font-size:20px}.error{color:#c0392b;font-size:14px}