:root{--ink:#243932;--muted:#7b8680;--teal:#277b67;--line:#e3e9e5;--pale:#f2f6f2;--paper:#fbfcf9;--amber:#9a6b24}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 'Segoe UI','Microsoft YaHei',sans-serif}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:white;border:1px solid var(--line);padding:9px 16px;border-radius:9px;transition:background .15s}button:hover{background:var(--pale);border-color:#adc6bb}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #90bbaa;outline-offset:3px}.primary{background:var(--teal);border-color:var(--teal);color:white}.primary:hover{background:#206652}.text-button{border:0;background:transparent;color:var(--muted)}.icon{border:0;background:transparent;font-size:20px;padding:4px 10px}.topbar{height:76px;display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--line);padding:0 36px;background:#fffefb}.brand{font-size:21px;font-weight:650;color:var(--teal);text-decoration:none;white-space:nowrap}.top-divider{height:22px;width:1px;background:var(--line)}#task-title{max-width:38vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.spacer{flex:1}.local{font-size:12px;color:var(--muted);white-space:nowrap}main{max-width:1180px;margin:auto;padding:0 36px}h1,h2,h3,p{margin-top:0}h2{font-size:18px}h3{font-size:15px}h1{letter-spacing:-1px}.eyebrow{font-size:12px;color:var(--teal);letter-spacing:2px}.muted,.fine{color:var(--muted)}.fine{font-size:12px}.intro h1{font-weight:550;font-size:44px;line-height:1.4;margin:18px 0 22px}.intro p{line-height:2;color:var(--muted)}#welcome{padding-top:80px;display:grid;grid-template-columns:1fr 1fr;gap:48px 72px}.start-card{align-self:center;background:white;border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:0 10px 32px #24393204}.start-card label{font-weight:600}.start-card .primary{width:100%;margin-top:14px;display:flex;justify-content:space-between}.start-options{display:flex;justify-content:space-between;margin:18px -12px 8px}.start-card .fine{margin:0}.recent{grid-column:1/-1;border-top:1px solid var(--line);padding-top:28px}.recent h2{font-size:14px;color:var(--muted);font-weight:500}#recent-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.task-card{text-align:left;padding:20px;display:flex;flex-direction:column;gap:8px;min-width:0}.task-card strong{overflow-wrap:anywhere}.task-card small{color:var(--muted)}input:not([type=checkbox]):not([type=file]),textarea,select{border:1px solid var(--line);border-radius:9px;background:white;padding:12px;width:100%;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--teal)}label{display:block;margin:14px 0 8px}textarea{resize:vertical}.tabs{display:flex;gap:26px;align-items:center;height:66px;border-bottom:1px solid var(--line)}.tabs>button[data-tab]{border:0;border-radius:0;height:100%;background:transparent;padding:0 12px;color:var(--muted)}.tabs>button.selected{color:var(--teal);border-bottom:2px solid var(--teal);font-weight:600}#badge{font-size:10px;background:#e5eee7;border-radius:10px;padding:2px 5px}#badge:empty{display:none}#chat-tab{max-width:790px;margin:auto;height:calc(100dvh - 143px);display:flex;flex-direction:column}.chat-messages{flex:1;overflow:auto;padding:30px 8px;scroll-behavior:smooth}.chat-empty{padding:60px 0 30px;text-align:center}.chat-empty .mark{font-size:38px;color:var(--teal);margin-bottom:14px}.chat-empty h2{font-size:24px;font-weight:500}.chat-empty p{color:var(--muted)}.message{margin-bottom:28px;max-width:92%}.message.user{margin-left:auto;max-width:82%;background:#eaf0e9;padding:16px 20px;border-radius:14px 14px 3px 14px}.message.ai{padding:0 4px}.message .speaker{display:block;color:var(--teal);font-size:12px;font-weight:600;margin-bottom:8px}.message p{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;line-height:1.9}.composer-wrap{padding:10px 0 14px;background:var(--paper)}.composer{background:white;border:1px solid #ccd9d0;border-radius:16px;padding:12px 16px;box-shadow:0 5px 20px #24393205}.composer textarea{border:0;padding:4px;min-height:66px;max-height:190px;resize:vertical}.composer-bottom{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--teal)}.send{border-radius:10px;font-size:23px;padding:0;width:40px;height:38px}.composer-wrap>.fine{text-align:center;margin:8px 0 0;font-size:11px}.update-hint{display:block;margin:0 auto 10px;color:var(--teal);font-size:12px;border:0;background:#eaf0e9}.decision-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:38px}.decision-head h1{font-size:28px;margin:6px 0}.decision-head p{font-size:13px}.toolbar{display:flex;align-items:center;gap:10px;background:white;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:15px 0;font-size:13px}.banner{background:#fff6e4;color:var(--amber);padding:12px 16px;border-radius:9px;font-size:13px;margin:12px 0}details{margin:16px 0}summary{cursor:pointer;color:var(--muted);font-size:13px;padding:8px 0}.issue{font-size:13px;border-left:2px solid #d8af66;padding:6px 12px;margin:8px 0}.group{margin:28px 0}.group-heading{display:flex;align-items:center;gap:10px}.group-heading span{font-size:12px;color:var(--muted)}.claim{background:white;border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin:10px 0}.claim p{margin:10px 0;overflow-wrap:anywhere}.claim-head{display:flex;gap:10px;align-items:center}.tag{font-size:11px;padding:2px 8px;border-radius:5px;background:var(--pale);color:var(--teal)}.claim .source-link{border:0;background:transparent;color:var(--teal);padding:0;font-size:12px}.edit-fields{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.edit-fields label{font-size:12px}.claim textarea{min-height:100px}.empty-state{padding:64px 24px;text-align:center;border:1px dashed #cedbd1;border-radius:16px;margin:26px 0;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:18px;padding:28px;max-width:calc(100vw - 30px);width:580px;max-height:85dvh;color:var(--ink);background:var(--paper);box-shadow:0 24px 100px #17291d33}dialog.wide{width:850px}dialog::backdrop{background:#22352b66;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px}.dialog-head h2{margin:0}.dialog-head button{font-size:20px;border:0;background:transparent;padding:0 8px}.check{display:flex;align-items:flex-start;gap:10px;margin:18px 0}.check input{margin-top:6px}#task-list .task-card{width:100%;margin-top:10px}#notice{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:12px 22px;background:#243932;color:white;border-radius:10px;box-shadow:0 8px 30px #0002;max-width:90vw;z-index:20;font-size:13px;pointer-events:none}#notice.error{background:#8e4033}.source-message{border-bottom:1px solid var(--line);padding:16px 0}.source-message p{white-space:pre-wrap;overflow-wrap:anywhere}.source-message small{color:var(--muted)}.diff-item{padding:14px;border:1px solid var(--line);border-radius:8px;margin:10px 0;font-size:13px}.diff-item .before{color:#976158;text-decoration:line-through}.diff-item .after{color:var(--teal)}#version-list{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}.file input{display:block;font-size:12px;margin:10px 0}.highlight{outline:2px solid var(--teal)}[hidden]{display:none!important}@media(max-width:760px){.topbar{padding:0 12px;gap:10px;height:64px}.brand span,.local,.top-divider{display:none}#task-title{max-width:48vw;font-size:14px}main{padding:0 16px}#welcome{padding-top:36px;grid-template-columns:1fr;gap:22px}.intro h1{font-size:32px}.intro p{font-size:14px}.start-card{padding:22px}.recent{grid-column:1}#recent-list{grid-template-columns:1fr}.tabs{height:58px;gap:12px}#chat-tab{height:calc(100dvh - 122px)}.decision-head{align-items:flex-start;padding-top:24px}.decision-head h1{font-size:24px}.decision-head .primary{font-size:12px;padding:8px}.toolbar{flex-wrap:wrap}.toolbar .spacer{display:none}.toolbar>span:first-child{width:100%}.claim{padding:16px}.edit-fields{grid-template-columns:repeat(2,1fr)}dialog{padding:20px}.start-options{font-size:13px}.message.user{max-width:94%}}

.dialog-notice{position:sticky;bottom:0;background:#fff1dd;color:#825818;padding:12px;border-radius:8px;font-size:13px}

.example-teaser{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#eff4ed;border:1px solid var(--line);padding:24px;border-radius:14px}.example-teaser h2{margin:10px 0}.example-teaser p{margin-bottom:6px}#library{padding-bottom:48px}#asset-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}.asset-card{padding:26px;border:1px solid var(--line);border-radius:14px;background:white}.asset-card h2{margin:16px 0 10px}.asset-card p{font-size:14px}.asset-card small{display:block;color:var(--muted);margin-bottom:20px}.asset-card>button{color:var(--teal)}.branch-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;align-items:start}.branch{border:1px solid var(--line);border-top:3px solid #5d9682;border-radius:10px;padding:15px;background:white;min-width:0}.branch summary{font-weight:600;color:var(--teal)}.branch ol{padding-left:20px;font-size:13px}.branch li{margin:12px 0}.branch-step{border-left:2px solid #d9e5de;padding-left:10px;margin-top:18px}.branch-step small{color:var(--muted);font-size:11px}.branch .claim{border:0;padding:5px 0;margin:0}.branch .claim p{font-size:13px}.branch .claim-head{flex-wrap:wrap}.path-root{padding:18px;background:#f0f4ee;border-radius:10px;margin:16px 0}.path-root .claim{padding:12px 16px}#draft-paths{border:1px solid var(--line);border-radius:10px;padding:10px 18px}#asset-dialog{width:1050px}#asset-project{margin-top:20px}.topbar{gap:14px}#task-title{max-width:25vw}@media(max-width:760px){.example-teaser{grid-column:1;display:block}.example-teaser button{margin-top:14px}#asset-list{grid-template-columns:1fr}.topbar{gap:5px;padding:0 8px}.topbar>button{padding:7px;font-size:12px}.topbar #task-title{display:none}.brand{margin-right:auto}.branch-grid{grid-template-columns:1fr}}
/* Unified workspace: navigation, dashboard, focused content */
:root{--ink:#202b40;--muted:#647087;--teal:#465ac7;--line:#e0e4ed;--pale:#eff1fa;--paper:#f5f6fa;--amber:#91601d}
body{background:var(--paper)}.topbar{height:72px;background:#202b40;color:#e9edf6;padding:0 32px;gap:18px}.brand{color:white;font-size:19px}.topbar button{background:transparent;color:#c7cfdf;border-color:transparent}.topbar button:hover,.topbar .nav-active{background:#35415a;color:white}.topbar #new-task{background:#fff;color:#24304a;padding:8px 14px}.top-divider{background:#465168}#task-title{font-size:13px;color:#bac5da}.primary{background:var(--teal)}.primary:hover{background:#3549b1}button:hover{border-color:#aab5de;background:#edf0fb}.primary:hover{color:white}a{color:var(--teal)}main{max-width:1240px;padding:0 40px}.eyebrow{letter-spacing:1px;font-size:11px;font-weight:650}.muted{color:var(--muted)}
#welcome{display:block;padding-top:36px;padding-bottom:32px}.dashboard-heading{display:flex;align-items:center;justify-content:space-between;gap:24px}.dashboard-heading h1{font-size:32px;line-height:1.35;margin:9px 0 10px;font-weight:650}.dashboard-heading p{font-size:13px;margin-bottom:0}.environment-label{font-size:11px;white-space:nowrap;border:1px solid var(--line);border-radius:20px;padding:5px 12px;color:var(--muted);background:white}.dashboard-stats{display:grid;grid-template-columns:repeat(3,1fr);margin:26px 0 28px;background:white;border:1px solid var(--line);border-radius:12px;padding:18px 0}.dashboard-stats>div{display:flex;justify-content:space-between;align-items:center;padding:0 26px;border-right:1px solid var(--line)}.dashboard-stats>div:last-child{border:0}.dashboard-stats span{font-size:13px;color:var(--muted)}.dashboard-stats strong{font-size:28px;font-weight:600;line-height:1.2;font-variant-numeric:tabular-nums}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr);gap:28px;align-items:start}.recent{padding:0;border:0;grid-column:auto}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.section-heading h2{font-size:20px;color:var(--ink);font-weight:650;margin:3px 0 0}.section-heading button{font-size:12px}#recent-list{display:flex;flex-direction:column;gap:0;border:1px solid var(--line);border-radius:12px;background:white;overflow:hidden}.task-card{display:flex;flex-direction:row;align-items:center;gap:14px;padding:20px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:white;width:100%}.task-card:last-child{border-bottom:0}.project-icon{display:grid;place-items:center;background:#edf0fc;color:var(--teal);width:36px;height:40px;flex-shrink:0;border-radius:8px;font-size:20px}.project-info{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}.project-info strong{font-size:14px;font-weight:600}.project-info small{font-size:11px}.project-state{font-size:11px;color:var(--muted);white-space:nowrap}.project-state.pending{background:#fff3d9;color:#8a6219;padding:3px 7px;border-radius:5px}.start-card{padding:24px;align-self:stretch;border-radius:12px;box-shadow:none;background:#eef0fb;border-color:#dadef2}.start-card h2{font-size:19px;margin:8px 0 16px}.start-card label{font-size:12px}.start-card input{font-size:13px}.start-card .primary{font-size:13px;padding:11px 14px}.start-options{margin:12px -10px 8px;gap:6px}.start-options button{font-size:12px;padding:6px 10px;color:#43557f}.start-card .fine{font-size:10px}.example-teaser{margin-top:28px;padding:22px 26px;background:white;border-radius:12px;gap:25px}.example-teaser h2{font-size:18px;margin:6px 0}.example-teaser p{font-size:12px}.example-links{display:flex;gap:12px;flex-shrink:0}.example-links button,.example-links a{display:flex;flex-direction:column;text-align:left;text-decoration:none;padding:12px 16px;border:1px solid var(--line);border-radius:8px;font-size:13px;color:var(--ink);background:#fafbfe}.example-links span{color:var(--muted);font-size:11px;margin-top:4px}.workflow-note{text-align:center;font-size:11px;color:var(--muted);margin:20px 0 0}.workflow-note span{padding:0 14px;color:#9ba5b9}#recent-list>.muted{padding:24px;font-size:13px}
.tabs{gap:16px}.tabs>button.selected{color:var(--teal);border-color:var(--teal)}#chat-tab{height:calc(100dvh - 139px)}.message.user{background:#e9edfb}.message.ai{border-left:2px solid #dce1f5;padding-left:18px}.composer{border-color:#cdd4e7;box-shadow:0 8px 28px #26315408}.update-hint{background:#e9edfb}.claim{border-radius:9px;padding:18px 22px}.group:first-child .claim{border-left:3px solid var(--teal)}.decision-head h1{font-size:30px}.toolbar{border-radius:9px}.asset-card{border-radius:12px;position:relative;border-top:3px solid #6476d3}.asset-card h2{font-size:21px}.asset-card p{line-height:1.8}.asset-card>button{margin-top:5px}.asset-card small{font-size:11px}.asset-card .tag{background:#edf0fc}.path-root{background:#edf0f8}.branch{border-top-color:#7183ce}.branch-step{border-color:#dce1f5}.dialog-head h2{font-size:20px}dialog{border-radius:12px}.chat-empty .mark{background:#e9edfb;width:64px;height:64px;border-radius:20px;margin:0 auto 20px}#task-list .task-card{border:1px solid var(--line);border-radius:8px}
@media(max-width:900px){main{padding:0 24px}.topbar{padding:0 20px;gap:10px}.dashboard-grid{grid-template-columns:minmax(0,1.2fr) minmax(280px,1fr);gap:20px}.example-links{gap:8px}.example-teaser{padding:20px}.project-state{display:none}}
@media(max-width:650px){.topbar{height:auto;min-height:66px;flex-wrap:wrap;padding:12px;gap:6px}.brand span{display:inline}.brand{font-size:16px;margin-right:auto}.topbar .spacer,.top-divider{display:none}.topbar #task-title{display:block;order:10;width:100%;max-width:100%;font-size:11px;padding-left:4px}.topbar>button{font-size:11px;padding:6px}.topbar #menu{display:none}.topbar #new-task{padding:6px 8px}.topbar #projects-nav{margin-left:auto}main{padding:0 16px}#welcome{padding-top:24px}.dashboard-heading h1{font-size:27px}.dashboard-heading p{font-size:12px}.environment-label{display:none}.dashboard-stats{margin:22px 0;padding:14px 0}.dashboard-stats>div{padding:0 14px;display:block}.dashboard-stats span{font-size:10px;display:block}.dashboard-stats strong{font-size:24px;display:block;margin-top:6px}.dashboard-grid{grid-template-columns:1fr;gap:24px}.section-heading h2{font-size:19px}.task-card{padding:16px 14px}.project-state{display:block;font-size:10px}.start-card{padding:20px}.example-teaser{display:block;margin-top:24px}.example-links{margin-top:18px;display:grid;grid-template-columns:1fr 1fr}.example-teaser button{margin:0}.workflow-note{font-size:10px;line-height:2}.workflow-note span{padding:0 4px}#chat-tab{height:calc(100dvh - 149px)}.claim-head{flex-wrap:wrap}.toolbar button{font-size:12px}.decision-head{gap:12px}.decision-head h1{font-size:25px}}
/* Homepage priority: start a question first, existing work second. */
#welcome{padding-top:30px}.product-description{text-align:center;color:#54627b;font-size:16px;margin:0 auto 24px;max-width:850px;line-height:1.8}#welcome>.start-card{max-width:820px;margin:0 auto;padding:32px 44px 24px;background:white;border:1px solid #cfd7f1;border-top:4px solid var(--teal);box-shadow:0 12px 36px #283b7c08}#welcome>.start-card>.eyebrow{display:block;text-align:center;font-size:13px}#welcome>.start-card h1{text-align:center;font-size:34px;line-height:1.4;font-weight:650;margin:10px 0 22px;letter-spacing:-.5px}#welcome>.start-card label{font-size:13px;margin:0 0 8px}#welcome>.start-card input{padding:15px 16px;background:#fafbfe;font-size:15px}#welcome>.start-card .primary{font-size:15px;padding:13px 18px;margin-top:12px}#welcome>.start-card .start-options{justify-content:center;gap:24px;margin:12px 0 8px}#welcome>.start-card .start-options button{font-size:13px}#welcome>.start-card .fine{text-align:center;font-size:11px}.previous-work{margin-top:32px}.previous-work .dashboard-stats{margin:0 0 24px;background:transparent;border:0;padding:0}.previous-work .dashboard-stats>div{justify-content:center;gap:14px}.previous-work .dashboard-stats strong{font-size:20px}.previous-work .dashboard-stats span{font-size:12px}.previous-work .section-heading{margin-bottom:12px}.previous-work .section-heading .eyebrow{display:none}.previous-work .section-heading h2{font-size:18px}.previous-work .task-card{padding:14px 20px}.example-teaser{margin-top:24px}
@media(max-width:650px){#welcome{padding-top:22px}.product-description{text-align:left;font-size:14px;margin-bottom:18px}#welcome>.start-card{padding:24px 20px 20px}#welcome>.start-card h1{font-size:26px;margin:10px 0 24px}#welcome>.start-card input{font-size:13px;padding:13px}#welcome>.start-card .primary{font-size:14px}#welcome>.start-card .start-options{gap:12px}#welcome>.start-card .start-options button{padding:6px;font-size:12px}.previous-work{margin-top:26px}.previous-work .dashboard-stats>div{display:flex;flex-direction:column;gap:4px;padding:0 8px}.previous-work .dashboard-stats strong{margin:0}.previous-work .dashboard-stats span{font-size:11px}.previous-work .task-card{padding:14px}}