:root{color:#202522;font-synthesis:none;background:#fff;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{background:#fff;min-width:320px;margin:0}.workspace{background:#fff;grid-template-columns:272px minmax(0,1fr);height:100vh;display:grid;overflow:hidden}.sidebar{background:#f6f7f6;border-right:1px solid #edf0ed;flex-direction:column;min-height:0;padding:22px 12px 16px;display:flex;overflow:hidden}.sidebar-header{padding:0 12px 22px}.sidebar h1{color:#1c211d;letter-spacing:-.8px;margin:0;font-size:23px;font-weight:760;line-height:1}.new-task{color:#fff;text-align:left;cursor:pointer;background:#202622;border:0;border-radius:11px;align-items:center;gap:10px;width:100%;padding:12px 14px;font-size:15px;font-weight:650;transition:transform .16s,background .16s;display:flex}.new-task:hover{background:#303933;transform:translateY(-1px)}.new-task span{font-size:18px;line-height:1}.task-list{flex:1;min-height:0;margin-top:30px;padding:0 4px;overflow-y:auto}.list-label{color:#868c86;margin:0 0 8px;padding:0 8px;font-size:13px;font-weight:650}.task{color:#424943;width:100%;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:9px;padding:10px 11px;font-size:14px;display:block}.task span{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.task:hover{background:#ebeeeb}.task.active{color:#172119;background:#e4e9e5;font-weight:650}.conversation{flex-direction:column;min-width:0;height:100vh;min-height:0;display:flex;overflow:hidden}.conversation-title{color:#2b302c;border-bottom:1px solid #f0f2ef;flex:none;align-items:center;height:72px;padding:0 clamp(24px,5vw,78px);font-size:15px;font-weight:650;display:flex}.messages{overscroll-behavior:contain;flex:1;width:min(920px,100%);min-height:0;margin:0 auto;padding:42px clamp(24px,5vw,78px) 36px;overflow-y:auto}.messages.has-messages{padding-top:34px}.empty-state{flex-direction:column;justify-content:center;align-items:center;min-height:100%;padding-bottom:60px;display:flex}.agent-orb{color:#29874e;background:linear-gradient(145deg,#e7f7eb,#c8efd8);border:1px solid #cbe6d6;border-radius:24px;place-items:center;width:64px;height:64px;margin-bottom:20px;font-size:30px;display:grid;box-shadow:0 12px 30px #62a97922}.empty-state h2{color:#202622;letter-spacing:-.8px;margin:0;font-size:28px}.message{max-width:760px;margin:0 0 25px}.message.user{margin-left:auto}.message-label{color:#89908a;margin:0 0 7px;font-size:12px;font-weight:650;display:block}.message.user .message-label{text-align:right}.message-content{overflow-wrap:anywhere;color:#242a25;white-space:pre-wrap;background:#f3f5f3;border-radius:4px 17px 17px;width:fit-content;max-width:100%;padding:13px 16px;font-size:15px;line-height:1.68}.message.user .message-content{color:#173d23;background:#daf2e2;border-radius:17px 4px 17px 17px;margin-left:auto}.composer-area{background:linear-gradient(#fff0,#fff 34%);flex:none;padding:16px clamp(24px,5vw,78px) 27px}.composer{background:#fff;border:1px solid #d9ded9;border-radius:22px;align-items:flex-end;gap:10px;width:min(920px,100%);min-height:76px;margin:0 auto;padding:12px 13px 12px 16px;transition:border-color .16s,box-shadow .16s;display:flex;box-shadow:0 10px 34px #20262210}.composer:focus-within{border-color:#73bb8b;box-shadow:0 10px 34px #3c9c571c}.composer textarea{resize:none;color:#222823;width:100%;min-height:48px;max-height:160px;font:inherit;background:0 0;border:0;outline:0;font-size:15px;line-height:1.55}.composer textarea::placeholder{color:#9ba19c}.send-button{color:#fff;cursor:pointer;background:#229250;border:0;border-radius:14px;flex:0 0 40px;place-items:center;width:40px;height:40px;font-size:23px;line-height:1;transition:background .16s,transform .16s;display:grid}.send-button:hover:not(:disabled){background:#187a3e;transform:translateY(-1px)}.send-button:disabled,.composer textarea:disabled{opacity:.55;cursor:wait}.error{color:#af3129;background:#fff0ef;border-radius:10px;width:min(920px,100%);margin:0 auto 8px;padding:10px 13px;font-size:14px}@media (width<=760px){.workspace{flex-direction:column;height:auto;min-height:100vh;display:flex;overflow:visible}.sidebar{border-bottom:1px solid #edf0ed;border-right:0;flex:none;min-height:auto;padding:15px 12px;overflow:visible}.sidebar-header{padding:0 4px 14px}.task-list{flex:none;gap:5px;max-height:44px;margin-top:14px;padding:0 0 2px;display:flex;overflow:auto hidden}.list-label{display:none}.task{background:#fff;width:auto;min-width:106px;padding:9px 11px}.conversation{height:calc(100vh - 166px);min-height:360px}.conversation-title{height:55px;padding:0 20px}.messages{padding:26px 20px}.empty-state{min-height:100%}.composer-area{padding:12px 16px 20px}.composer{border-radius:18px;min-height:68px}.new-task{padding:10px 12px}.sidebar h1{font-size:20px}}