:root{--bg: #0f1115;--surface: #181b22;--surface-2: #20242e;--text: #e8eaf0;--muted: #9aa0ad;--primary: #6c5ce7;--primary-2: #a29bfe;--danger: #e74c3c;--ok: #2ecc71;--border: #2a2f3a}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--primary-2);text-decoration:none}button{font:inherit;cursor:pointer;border:none;border-radius:10px;padding:10px 16px;background:var(--primary);color:#fff;font-weight:600}button.secondary{background:var(--surface-2);color:var(--text)}button:disabled{opacity:.5;cursor:not-allowed}input,textarea,select{font:inherit;width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);margin-bottom:12px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);padding:18px 12px;display:flex;flex-direction:column;gap:6px}.sidebar h1{font-size:20px;margin:0 0 18px;padding-left:8px;color:var(--primary-2)}.sidebar a{padding:10px 12px;border-radius:10px;color:var(--text);font-weight:500}.sidebar a.active,.sidebar a:hover{background:var(--surface-2)}.sidebar .spacer{flex:1}.sidebar .me{font-size:13px;color:var(--muted);padding:8px}.main{flex:1;padding:24px;max-width:880px;margin:0 auto;width:100%}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px;margin-bottom:14px}.row{display:flex;gap:12px;align-items:center}.row.wrap{flex-wrap:wrap}.title{font-size:18px;font-weight:700;margin:0 0 8px}.muted{color:var(--muted);font-size:13px}.pill{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.pill.ok{background:#2ecc7126;color:var(--ok)}.pill.warn{background:#e74c3c26;color:var(--danger)}.chat-layout{display:flex;gap:16px;height:calc(100vh - 48px)}.conv-list{width:280px;overflow-y:auto}.conv-item{padding:12px;border-radius:10px;cursor:pointer}.conv-item:hover,.conv-item.active{background:var(--surface-2)}.chat-window{flex:1;display:flex;flex-direction:column;background:var(--surface);border-radius:14px;border:1px solid var(--border)}.messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.bubble{max-width:70%;padding:10px 14px;border-radius:14px;line-height:1.5}.bubble.me{align-self:flex-end;background:var(--primary);color:#fff}.bubble.them{align-self:flex-start;background:var(--surface-2)}.composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}.composer input{margin-bottom:0}.tasks-panel{border-top:1px solid var(--border);padding:12px;background:var(--surface)}.task-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0;font-size:13px}.task-row .secondary{padding:6px 10px;margin:0}.task-form{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px}.task-form input,.task-form select{width:auto;margin-bottom:0;padding:8px 10px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.avatar{width:44px;height:44px;border-radius:50%;background:var(--surface-2);object-fit:cover}.center{max-width:380px;margin:8vh auto}.error{color:var(--danger);font-size:13px;margin-bottom:10px}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--surface-2);padding:10px 18px;border-radius:10px;border:1px solid var(--border)}