:root{color-scheme:light;--bg:#f4f6fb;--surface:#fbfcff;--ink:#18263c;--muted:#53647b;--line:#dee4ee;--accent:#254edb;--accent-soft:#e9eeff;--green:#186951;--red:#ad3245;--display:"Bahnschrift","Avenir Next","PingFang SC","Microsoft YaHei",sans-serif;--body:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6}button,input,textarea{font:inherit}button{cursor:pointer}button,a,input,textarea{touch-action:manipulation}button,a{transition:background-color .16s,color .16s,transform .16s}button{color:inherit}button:disabled{cursor:not-allowed;opacity:.5}button:active:not(:disabled){transform:scale(.98)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}a{color:var(--accent)}h1,h2,h3,p{margin:0}h1,h2,h3,.brand-name{font-family:var(--display)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-80px;left:16px;z-index:100;background:var(--surface);padding:12px}.skip-link:focus{top:12px}.primary,.secondary{min-height:44px;border-radius:10px;padding:9px 18px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:10px}.primary{background:var(--accent);border:1px solid var(--accent);color:#fbfcff}.primary:hover:not(:disabled){background:#1e40b8}.secondary{background:var(--surface);border:1px solid var(--line)}.secondary:hover{background:var(--accent-soft)}.icon-button{border:0;background:transparent;width:44px;height:44px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.icon-button:hover{background:var(--accent-soft);color:var(--accent)}.text-button{border:0;background:transparent;min-height:44px;font-size:12px;color:var(--muted);padding:8px}.text-button:hover{color:var(--accent)}.eyebrow{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--muted)}.brand-mark{display:grid;place-items:center;background:var(--accent);color:var(--surface);width:52px;height:52px;border-radius:15px}.brand-mark svg{width:32px;height:32px}.brand-mark.small{width:38px;height:38px;border-radius:11px}.brand-mark.small svg{width:26px;height:26px}
.login-view{min-height:100dvh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:48px 24px 32px;background:radial-gradient(ellipse at 90% 0,#e1e8fd,transparent 55%),var(--bg)}.login-card{width:min(100%,390px)}.login-card .eyebrow{margin:32px 0 12px}.login-card h1{font-size:28px;line-height:1.4;letter-spacing:-.03em;font-weight:650}.login-card h1 span{display:block;font-size:20px;margin-top:8px;font-weight:500;letter-spacing:0}.login-description{margin:20px 0 32px;color:var(--muted);font-size:14px}.login-card label{display:block;font-size:14px;font-weight:600;margin:18px 0 8px}.login-card input{background:var(--surface);border:1px solid #c7d1e0;border-radius:10px;width:100%;min-height:48px;padding:10px 14px;color:var(--ink)}.login-card .primary{width:100%;margin-top:24px;justify-content:space-between;min-height:48px}.login-footnote{margin-top:24px;font-size:12px;color:var(--muted)}.login-bottom{margin-top:64px;font-size:12px;letter-spacing:.12em;color:var(--muted)}.error{color:var(--red);font-size:14px;margin-top:12px}
.app-shell{height:100dvh;display:grid;grid-template-columns:360px minmax(0,1fr);max-width:1800px;margin:auto;background:var(--surface)}.sidebar{display:flex;flex-direction:column;min-height:0;min-width:0;background:var(--bg);border-right:1px solid var(--line)}.brand-row{display:flex;align-items:center;gap:12px;padding:28px 24px 20px}.brand-name{display:block;font-size:20px;font-weight:650;line-height:1.3}.brand-subtitle{display:block;font-size:12px;color:var(--muted);margin-top:3px}.desktop-status{margin-left:auto}.connection-strip{display:flex;gap:8px;align-items:center;margin:0 24px;font-size:12px;color:var(--muted);min-height:32px}.status-dot{width:7px;height:7px;background:#75839a;display:inline-block;border-radius:50%;flex-shrink:0}.status-dot.online{background:var(--green)}#connection-time{margin-left:auto;font-variant-numeric:tabular-nums}.list-heading{padding:20px 24px 12px;display:flex;align-items:center;gap:10px}.list-heading h1{font-size:28px;letter-spacing:-.03em;font-weight:600}.count{font-size:12px;padding:1px 8px;border-radius:6px;background:#e3e8f3;color:var(--muted)}.refresh-button{margin-left:auto}.search-box{display:flex;align-items:center;background:var(--surface);border:1px solid #cbd5e4;border-radius:10px;margin:0 24px 16px;padding:0 12px;min-height:44px;gap:8px;color:var(--muted)}.search-box svg{width:20px;height:20px}.search-box input{width:100%;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink);height:44px}.search-box:focus-within{outline:2px solid var(--accent);outline-offset:2px}.search-box input:focus-visible{outline:0}.search-box input::placeholder{color:var(--muted)}.desktop-tabs{display:flex;gap:8px;padding:0 24px 12px}.tab{font-size:12px;border:0;padding:8px 12px;min-height:36px;border-radius:8px;background:transparent;color:var(--muted)}.tab.active{background:#e4eaf9;color:var(--accent);font-weight:600}.thread-list{overflow:auto;flex:1;min-height:0;padding:0 12px 24px;overscroll-behavior:contain}.group-label{color:var(--muted);font-size:12px;padding:18px 14px 8px;letter-spacing:.02em}.thread-row{display:block;text-align:left;border:1px solid transparent;border-radius:12px;background:transparent;padding:14px 12px;width:100%;margin:2px 0}.thread-row:hover{background:#eaf0fa}.thread-row.selected{background:var(--accent-soft);border-color:#c9d4fa}.thread-top{display:flex;gap:10px;justify-content:space-between;align-items:baseline}.thread-title{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;line-height:1.7}.thread-time{font-size:12px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}.thread-preview{display:block;color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px}.thread-project{display:flex;align-items:center;gap:5px;color:var(--muted);font-size:12px;margin-top:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-project svg{width:14px;height:14px}.sidebar-footer{padding:8px 24px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.sidebar-footer>span{max-width:65%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.inline-notice{background:#fff0e7;color:#8c431a;font-size:12px;margin:0 24px 12px;padding:12px;border-radius:8px}.list-empty{padding:48px 16px;text-align:center;font-size:14px;color:var(--muted)}.list-empty strong{display:block;color:var(--ink);margin-bottom:8px}.list-empty button{margin-top:16px}.skeleton{margin:12px;border-radius:10px;background:linear-gradient(90deg,#e4e9f2 20%,#f0f3f8 50%,#e4e9f2 80%);background-size:200%;height:88px;animation:shimmer 1.5s infinite}@keyframes shimmer{to{background-position:-200%}}
.conversation{min-width:0;min-height:0;position:relative}.welcome{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:32px}.welcome-symbol{color:var(--accent);background:var(--accent-soft);width:104px;height:104px;display:grid;place-items:center;border-radius:30px;margin-bottom:32px}.welcome-symbol svg{width:64px;height:64px}.welcome h2{font-size:28px;font-weight:600;letter-spacing:-.03em;margin:12px 0}.welcome>p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:1.9}.welcome-note{font-size:12px;color:var(--muted);margin-top:48px}.chat{height:100%;display:flex;flex-direction:column;min-width:0}.chat-header{padding:20px 32px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;min-height:96px;background:var(--surface)}.chat-heading{min-width:0;flex:1}.chat-header h2{font-size:16px;line-height:1.6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}.chat-header p{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px}.badge{font-size:12px;border:1px solid var(--line);border-radius:6px;padding:3px 8px;color:var(--muted);white-space:nowrap}.badge.running{color:var(--accent);background:var(--accent-soft);border-color:#c9d4fa}.back-button{display:none}.cache-banner{background:#fff1dd;border-bottom:1px solid #eed9b9;color:#795020;font-size:12px;padding:10px 32px}.messages{flex:1;overflow:auto;padding:24px max(32px,calc((100% - 820px)/2));overscroll-behavior:contain;min-height:0;scrollbar-gutter:stable}.message{margin-bottom:32px;min-width:0}.message-meta{display:flex;align-items:center;gap:10px;font-size:12px;margin-bottom:10px;color:var(--muted)}.message-role{font-weight:600;color:var(--ink)}.message.user .message-body{background:#edf1fa;border-radius:14px 14px 4px 14px;padding:16px 20px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}.message.assistant .message-body{font-size:14px;line-height:1.9;overflow-wrap:anywhere}.message-body>*:first-child{margin-top:0}.message-body>*:last-child{margin-bottom:0}.message-body p{margin:12px 0}.message-body h1,.message-body h2,.message-body h3{font-size:20px;margin:24px 0 12px;line-height:1.5}.message-body h3{font-size:16px}.message-body ul,.message-body ol{padding-left:24px}.message-body pre{overflow:auto;max-width:100%;padding:16px;border-radius:10px;background:#edf1f7;line-height:1.6;font-size:12px}.message-body code{font-family:"Cascadia Code",Consolas,monospace;background:#edf1f7;border-radius:4px;padding:2px 4px;font-size:.9em}.message-body pre code{padding:0}.message-body blockquote{border-left:3px solid #acbce1;margin:16px 0;padding:4px 16px;color:var(--muted)}.message-body table{border-collapse:collapse;display:block;max-width:100%;overflow:auto;margin:16px 0}.message-body td,.message-body th{border:1px solid var(--line);padding:8px 12px;text-align:left;min-width:100px}.message-body summary{cursor:pointer;color:var(--accent);min-height:44px;display:flex;align-items:center}.message-body a{overflow-wrap:anywhere}.message-time{font-variant-numeric:tabular-nums}.older-wrap{text-align:center;margin-bottom:24px}.composer-wrap{padding:0 max(32px,calc((100% - 820px)/2)) 24px;background:var(--surface)}.composer-status{font-size:12px;color:var(--muted);padding:10px 4px;min-height:38px}.composer{border:1px solid #c7d1e0;border-radius:14px;background:var(--surface);box-shadow:0 4px 14px #18263c06;overflow:hidden}.composer:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px #254edb16}.composer textarea{width:100%;display:block;border:0;background:transparent;resize:vertical;padding:14px 16px;min-height:72px;max-height:200px;font-size:16px;color:var(--ink)}.composer textarea:focus-visible{outline:0}.composer textarea::placeholder{color:var(--muted)}.composer-actions{display:flex;justify-content:flex-end;align-items:center;gap:8px;padding:4px 8px 8px}.composer-actions>span{margin-right:auto;font-size:12px;color:var(--muted);padding:0 8px}.composer .primary{padding:8px 14px}.composer .primary svg{width:18px;height:18px}.approval-panel{margin:8px 32px;background:#fff1dd;border:1px solid #eed9b9;border-radius:12px;padding:16px;font-size:14px;max-height:35dvh;overflow:auto}.approval-panel strong{display:block;margin-bottom:8px}.approval-panel pre{font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere;margin:8px 0}.approval-buttons{display:flex;gap:8px;margin-top:12px}.mobile-nav{display:none}dialog{border:1px solid var(--line);border-radius:18px;padding:24px;background:var(--surface);color:var(--ink);width:min(calc(100% - 32px),440px);box-shadow:0 20px 80px #18263c20}dialog::backdrop{background:#18263c60;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.dialog-heading h2{font-size:20px}.dialog-heading .icon-button{font-size:28px}.status-item{display:flex;justify-content:space-between;gap:24px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.status-item>span:first-child{color:var(--muted)}.status-item>span:last-child{overflow-wrap:anywhere;text-align:right}.dialog-note{font-size:12px;color:var(--muted);margin:24px 0}.full{width:100%}.toast{position:fixed;left:50%;bottom:max(32px,env(safe-area-inset-bottom));transform:translateX(-50%);z-index:50;padding:14px 20px;border-radius:12px;background:var(--ink);color:var(--surface);box-shadow:0 8px 32px #18263c24;font-size:14px;max-width:min(560px,calc(100% - 32px));width:max-content}
.group-toolbar{display:flex;align-items:center;justify-content:space-between;margin:0 24px;font-size:12px;color:var(--muted);min-height:44px}.group-toolbar .text-button{padding-right:0}.thread-group{margin:4px 0 10px}.group-heading{font:inherit}.group-toggle{display:flex;align-items:center;gap:8px;width:100%;min-height:44px;padding:9px 10px;border:0;border-radius:8px;background:transparent;text-align:left;color:var(--muted)}.group-toggle:hover{background:#e4eaf9}.group-toggle svg{width:18px;height:18px}.group-toggle svg:first-child{width:14px;height:14px;transition:transform .16s}.group-toggle[aria-expanded=true] svg:first-child{transform:rotate(90deg)}.group-name{font-size:14px;font-weight:600;color:var(--ink);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.group-count{margin-left:auto;font-size:12px;font-variant-numeric:tabular-nums}.group-threads{margin-left:16px;padding-left:4px;border-left:1px solid var(--line)}.group-empty{padding:10px 16px 16px;color:var(--muted);font-size:12px}
.group-toggle:disabled{opacity:1;cursor:default}
@media(min-width:1400px){.app-shell{grid-template-columns:400px minmax(0,1fr)}}
@media(max-width:760px){.app-shell{display:block;height:100dvh}.sidebar{height:calc(100dvh - 68px - env(safe-area-inset-bottom));border:0}.brand-row{padding:20px 20px 12px;gap:10px;padding-top:max(20px,env(safe-area-inset-top))}.brand-name{font-size:20px}.brand-subtitle{font-size:12px}.desktop-status,.desktop-tabs,.sidebar-footer{display:none}.connection-strip{margin:0 20px}.list-heading{padding:16px 20px 12px}.search-box{margin:0 20px 12px}.thread-list{padding:0 10px 24px}.thread-row{padding:16px 12px}.thread-title{font-size:16px}.thread-preview{font-size:14px;margin-top:6px}.thread-project{margin-top:10px}.group-label{padding-left:14px}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:10;justify-content:space-around;background:var(--surface);border-top:1px solid var(--line);height:calc(68px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}.mobile-nav button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:transparent;border:0;min-width:80px;color:var(--muted);font-size:12px}.mobile-nav button.active{color:var(--accent);font-weight:600}.mobile-nav svg{height:22px;width:22px}.conversation{display:none;height:100dvh}.chat-open .sidebar,.chat-open .mobile-nav{display:none}.chat-open .conversation{display:block}.chat-header{min-height:80px;padding:12px 16px 12px 8px;gap:8px;padding-top:max(12px,env(safe-area-inset-top))}.back-button{display:flex}.chat-header h2{font-size:16px}.messages{padding:20px 20px 12px;scrollbar-gutter:auto}.message{margin-bottom:28px}.message.user .message-body{padding:14px 16px}.message-body pre{margin-right:-4px;margin-left:-4px}.composer-wrap{padding:0 12px max(12px,env(safe-area-inset-bottom))}.composer-status{padding:8px 4px;min-height:32px;font-size:12px}.composer-actions>span{font-size:12px;max-width:140px}.composer textarea{min-height:64px;max-height:140px}.cache-banner{padding:8px 20px}.approval-panel{margin:8px 12px}.toast{bottom:calc(80px + env(safe-area-inset-bottom));max-width:calc(100% - 32px)}.chat-open~.toast{bottom:24px}.login-view{padding-top:max(40px,env(safe-area-inset-top))}.login-bottom{margin-top:48px}.inline-notice{margin-right:20px;margin-left:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}