:root{font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:#202124;background:#f5f6f8;font-synthesis:none}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-height:100vh}button,input,textarea,select{font:inherit}button{cursor:pointer}.connect-view{min-height:100vh;display:grid;place-items:center;padding:24px}.connect-panel{width:min(420px,100%);display:grid;gap:18px;background:#fff;border:1px solid #e2e4e8;border-radius:8px;padding:30px;box-shadow:0 16px 44px rgba(26,31,44,.09)}.brand-mark{width:42px;height:42px;display:grid;place-items:center;background:#222;color:#fff;border-radius:8px;font-weight:700}.connect-panel h1{font-size:22px;margin:0}.connect-panel p{color:#676b73;line-height:1.6;margin:0}label{display:grid;gap:7px;font-size:13px;color:#5d6169}input,textarea,select{width:100%;border:1px solid #d9dce2;border-radius:6px;background:#fff;padding:10px 12px;color:#202124;outline:none}input:focus,textarea:focus,select:focus{border-color:#777d87;box-shadow:0 0 0 3px rgba(60,65,75,.08)}textarea{resize:vertical}.primary{border:0;border-radius:6px;background:#24262a;color:#fff;padding:11px 16px}.error{min-height:18px;color:#b3261e;font-size:12px}.shell{height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr);overflow:hidden}.sidebar{display:flex;min-width:0;flex-direction:column;border-right:1px solid #e0e2e6;background:#fafafa;padding:16px 12px}.sidebar-head,.topbar{display:flex;align-items:center;justify-content:space-between}.sidebar-head{padding:2px 6px 16px}.icon-button{width:32px;height:32px;border:0;background:transparent;border-radius:5px;color:#61656d}.icon-button:hover{background:#eceef1}.new-thread{border:1px solid #dfe1e5;background:#fff;border-radius:6px;padding:10px 12px;text-align:left}.thread-list{display:grid;gap:3px;margin-top:12px;overflow:auto}.thread-button{border:0;background:transparent;border-radius:5px;padding:10px;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#4f535a}.thread-button:hover,.thread-button.active{background:#e9ebee;color:#202124}.workspace{min-width:0;display:grid;grid-template-rows:64px minmax(0,1fr);background:#fff}.topbar{border-bottom:1px solid #eceef1;padding:0 22px}.topbar h2{font-size:16px;margin:0 0 2px}.topbar span{font-size:11px;color:#7a7f88}.view{min-height:0}.conversation-view{position:relative;display:grid;grid-template-rows:minmax(0,1fr) auto}.messages{overflow:auto;padding:26px max(24px,calc((100% - 760px)/2)) 120px;display:flex;flex-direction:column;gap:18px}.empty{margin:auto;color:#848891}.message{max-width:78%;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{align-self:flex-end;background:#f0f1f3;border-radius:8px;padding:9px 13px}.message.assistant{align-self:flex-start}.message time{display:block;font-size:10px;color:#90949b;margin-top:4px}.composer{width:min(760px,calc(100% - 40px));margin:0 auto 22px;display:grid;grid-template-columns:minmax(0,1fr) 34px;align-items:end;gap:8px;border:1px solid #dfe1e5;border-radius:8px;padding:8px;background:#fff;box-shadow:0 8px 24px rgba(30,35,45,.08)}.composer textarea{border:0;box-shadow:none;max-height:140px;padding:6px;resize:none}.send-button{width:32px;height:32px;border:0;border-radius:6px;background:#24262a;color:#fff}.tasks-view{overflow:auto;padding:28px}.task-layout{width:min(980px,100%);margin:auto;display:grid;grid-template-columns:minmax(280px,380px) minmax(0,1fr);gap:42px}.task-form{display:grid;gap:15px}.task-form h3,.task-catalog h3{margin:0 0 6px;font-size:16px}.field-row{display:grid;grid-template-columns:1fr 120px;gap:10px}.task-catalog{min-width:0}.task-item{padding:14px 0;border-bottom:1px solid #eceef1}.task-item header{display:flex;justify-content:space-between;gap:12px}.task-item strong{font-size:14px}.task-item p{font-size:12px;color:#6d7179;line-height:1.5;margin:7px 0}.task-item footer{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#858a92}.cancel-task{border:0;background:transparent;color:#a03b35;padding:4px}.status{padding:2px 6px;border-radius:4px;background:#eceef1}.bottom-nav{display:none}
@media(max-width:720px){.shell{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) 58px}.sidebar{display:none}.workspace{grid-template-rows:56px minmax(0,1fr)}.topbar{padding:0 16px}.messages{padding:18px 16px 100px}.message{max-width:88%}.composer{width:calc(100% - 24px);margin-bottom:12px}.tasks-view{padding:18px 16px 90px}.task-layout{grid-template-columns:1fr;gap:34px}.field-row{grid-template-columns:1fr}.bottom-nav{display:grid;grid-template-columns:1fr 1fr;background:#fff;border-top:1px solid #e0e2e6;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav button{border:0;background:#fff;color:#7a7e86}.bottom-nav button.active{color:#202124;font-weight:600}}