:root{color-scheme:dark;--bg:#0c121b;--panel:#101925;--line:#243044;--text:#e8edf4;--muted:#8b9aad;--accent:#b9cda9;--gold:#c6aa78}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:Inter,"Microsoft YaHei","PingFang SC",sans-serif;color:var(--text);font-size:14px}button,input,textarea{font:inherit}button{cursor:pointer;border:0;color:inherit;background:none}button:disabled{opacity:.5;cursor:wait}button:hover{filter:brightness(1.15)}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}input,textarea{border:1px solid var(--line);background:#101a27;color:var(--text);border-radius:8px;padding:13px;outline:none}input:focus,textarea:focus{border-color:#9bb393}button.primary{background:var(--accent);color:#15221c;border-radius:7px;padding:12px 19px;font-weight:700}.outline{border:1px solid var(--line);border-radius:6px;padding:10px 14px;color:#c7d0dc}.eyebrow{font-size:10px;letter-spacing:2px;color:#93a394}.muted,.footnote{color:var(--muted)}.login{min-height:100vh;display:grid;place-items:center;background:radial-gradient(ellipse at 30% 15%,#24374855,transparent 60%)}.login-card{max-width:480px;width:90%;padding:44px;border:1px solid var(--line);border-radius:15px;background:#111a26}.login h1{font-size:28px;font-weight:500;margin:24px 0 14px}.brand-icon{display:grid;place-items:center;width:40px;height:40px;background:#b7caa511;color:#cad4b1;border:1px solid #a8bc8e55;border-radius:9px;font-family:serif;font-size:24px}.login form{margin-top:36px}.login label{display:block;font-size:12px;margin-bottom:10px;color:#b7c2d0}.login input{width:100%}.login .primary{width:100%;margin-top:16px;text-align:left}.login .primary span{float:right}.footnote{font-size:11px;margin:24px 0 0}.error{color:#f0a5a5;font-size:12px;min-height:15px}.sidebar{width:236px;padding:30px 20px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:#101824}.brand{display:flex;align-items:center;gap:12px;margin-bottom:40px}.brand strong{font-size:22px;letter-spacing:4px;font-weight:500}.brand small{display:block;font-size:8px;letter-spacing:1.4px;color:var(--muted);margin-top:6px}.section-label{font-size:10px;letter-spacing:2px;color:#8998ad}.room-active{display:flex;gap:12px;align-items:center;border:1px solid #465947;background:#bdcba50a;border-radius:8px;padding:15px 12px;margin:10px 0 35px}.room-active>span{font-size:23px;color:var(--accent)}.room-active small{display:block;color:var(--muted);font-size:10px;margin-top:7px}.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#b7cda2}.room-active .live-dot{margin-left:auto}.section-row{display:flex;align-items:center;justify-content:space-between}.section-row>span{color:var(--muted);font-size:11px}#agents{overflow:auto;max-height:45vh}.agent{display:flex;align-items:center;gap:10px;padding:13px 0}.avatar{width:34px;height:34px;flex-shrink:0;border:1px solid #3d514b;border-radius:9px;background:#203531;color:#bbd1bc;display:grid;place-items:center;font-weight:500}.agent .identity{flex:1;min-width:0}.identity strong{font-size:12px;font-weight:500;overflow-wrap:anywhere}.identity small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.state-dot{height:6px;width:6px;background:#5b6471;border-radius:50%}.state-dot.online{background:#a9c59b}.manage{font-size:10px;color:#acb8c8}.sidebar>.outline{font-size:12px;margin-top:20px}.sidebar-bottom{margin-top:auto;padding-top:35px;color:var(--muted);font-size:11px}.sidebar-bottom button{padding:6px 9px 6px 0;color:#b4becc;font-size:11px}#workspace{display:flex;height:100dvh}.chat{min-width:0;flex:1;display:flex;flex-direction:column;position:relative}.chat header{padding:26px 32px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center}.chat h1{font-size:21px;font-weight:500;margin:8px 0 0;letter-spacing:1px}.badge{font-size:9px;color:#b9c7aa;border:1px solid #6a775a;border-radius:3px;padding:3px 5px;vertical-align:middle;letter-spacing:1px;margin-left:8px}.header-right{display:flex;gap:14px;align-items:center;color:var(--muted);font-size:10px}.header-right .outline{font-size:11px;padding:8px 10px}.room-notice{font-size:10px;line-height:1.8;padding:12px 32px;color:#a2afc0;background:#141e2a}.notice-dot{display:inline-block;height:5px;width:5px;background:var(--gold);border-radius:50%;margin-right:8px}.notice-tag{color:#7f8c9f;margin-left:14px}.timeline{overflow-y:auto;flex:1;padding:25px 32px;scroll-behavior:smooth}.empty{padding:70px 10px;text-align:center}.orbit{font-size:48px;color:#acbd9b;margin-bottom:22px}.empty h2{font-size:19px;font-weight:400}.empty p{color:var(--muted);line-height:2;font-size:12px}.message{display:flex;gap:13px;margin:0 0 25px;scroll-margin:25px}.message .content{flex:1;min-width:0}.message .meta{display:flex;gap:10px;align-items:center;margin:2px 0 9px;font-size:12px;flex-wrap:wrap}.meta strong{font-weight:600}.meta time,.meta .role{font-size:10px;color:#8493a7}.meta .role{padding:2px 5px;border:1px solid #2a3a4b;border-radius:3px}.bubble{font-size:14px;line-height:1.95;color:#d2dbe5;white-space:pre-wrap;overflow-wrap:anywhere}.human .bubble{color:#e1e6ed}.quote{font-size:11px;color:#93a5b7;border-left:2px solid #52624a;padding:5px 10px;margin-bottom:10px;white-space:pre-wrap;overflow-wrap:anywhere}.reply-button{font-size:10px;color:#8c9baf;padding:8px 0}.blocked{font-size:11px;color:#d8b78a;margin-top:8px}.date-marker{display:flex;gap:15px;align-items:center;color:#7b8a9d;font-size:10px;margin-bottom:28px}.date-marker:before,.date-marker:after{content:"";height:1px;background:#223042;flex:1}footer{padding:0 25px 18px}#send-form{border:1px solid #334155;border-radius:10px;background:#111c29}textarea{display:block;resize:vertical;width:100%;border:0;background:none;font-size:13px;padding:18px;max-height:220px;min-height:90px}textarea:focus{outline:none}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 13px;border-top:1px solid #223042}.composer-bottom>span{font-size:10px;color:#8391a3}.composer-bottom .primary{font-size:11px;padding:9px 13px}footer>.error{margin:6px 0 0;min-height:0}#reply{display:flex;justify-content:space-between;font-size:11px;color:var(--accent);padding:10px 0}#reply[hidden],#workspace[hidden],#login[hidden]{display:none}#reply span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:80%}#mention-menu{display:flex;flex-wrap:wrap;gap:6px;padding:8px 0}#mention-menu[hidden]{display:none}#mention-menu button{font-size:11px;padding:5px 9px;border:1px solid var(--line);border-radius:4px}#new-messages{position:absolute;bottom:195px;right:35px;background:#b9cda9;color:#15221c;padding:9px 13px;border-radius:20px;font-size:11px}.context{width:250px;background:#101824;border-left:1px solid var(--line);padding:35px 25px;display:flex;flex-direction:column}.context h2{font-size:23px;font-weight:400;line-height:1.65;margin:20px 0 36px}.principle{display:flex;gap:12px;margin-bottom:28px}.principle>span{font-size:11px;color:#a9bc94;padding-top:2px}.principle strong{font-size:12px;font-weight:500}.principle p,.context-note p{font-size:11px;line-height:1.9;color:var(--muted)}.context-note{border-top:1px solid var(--line);padding-top:20px;font-size:11px;color:#c1cbb8}.context-bottom{margin-top:auto;font-size:10px;line-height:1.9;color:#738399}.load-more{display:block;margin:0 auto 25px;color:var(--muted);font-size:11px}.load-more[hidden]{display:none}dialog{background:#162130;color:var(--text);border:1px solid #405168;border-radius:12px;max-width:620px;width:90%;padding:30px;max-height:85vh;overflow:auto}dialog::backdrop{background:#050a13bd;backdrop-filter:blur(4px)}dialog h2{font-weight:500;font-size:20px}dialog p,dialog li{font-size:12px;line-height:2;color:#bfcbda}dialog input{width:100%;font-family:monospace;font-size:13px}dialog pre{font-size:11px;line-height:1.8;background:#0d1622;padding:15px;white-space:pre-wrap;overflow-wrap:anywhere}dialog .dialog-close{float:right;font-size:11px;color:var(--muted)}dialog a{color:var(--accent)}@media(min-width:1600px){.timeline,footer{padding-left:5vw;padding-right:5vw}}@media(max-width:1200px){.context{display:none}}@media(max-width:700px){.sidebar{width:160px;padding:20px 12px}.brand{gap:7px;margin-bottom:25px}.brand small{font-size:6px}.brand strong{font-size:19px}.chat header{padding:18px 15px}.header-right{flex-direction:column;gap:6px;align-items:flex-end}.chat h1{font-size:17px}.badge{display:none}.timeline{padding:20px 14px}.room-notice{padding:10px 15px}.notice-tag{display:none}footer{padding:0 12px 12px}.composer-bottom>span{max-width:55%;font-size:9px}.message{gap:8px}.avatar{width:28px;height:28px;font-size:12px}.bubble{font-size:13px}.empty{padding:40px 0}.empty h2{font-size:16px}.empty p{font-size:11px}.login-card{padding:28px}.login h1{font-size:24px}}@media(max-width:450px){.sidebar{width:115px;padding:15px 9px}.brand .brand-icon{display:none}.brand small{font-size:5px}.room-active{padding:10px 6px;gap:6px}.room-active>span,.room-active small,.sidebar-bottom p{display:none}.room-active strong{font-size:11px}.agent{gap:6px;flex-wrap:wrap}.agent .avatar{display:none}.manage{padding:3px 0}.identity strong{font-size:11px}.sidebar>.outline{padding:9px 4px;font-size:10px}}@media print{body{background:white;color:black}.sidebar,.context,footer,.header-right,.room-notice,#older,#new-messages,.reply-button{display:none!important}#workspace{height:auto}.timeline{overflow:visible}.bubble,.meta time{color:#222}.chat header{border-color:#ddd}.message{break-inside:avoid}.avatar{background:white;color:black}.date-marker{color:#333}.badge{color:black;border-color:#888}}