:root{color-scheme:light;--ink:#202722;--muted:#78817c;--green:#15513f;--green-dark:#17241f;--green-soft:#edf3ef;--paper:#f5f1e8;--card:#fff;--line:#d9ded9;--danger:#9f493b;--shadow:0 14px 42px rgba(25,43,35,.11)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--paper)}button,textarea,input{font:inherit}button{color:inherit}.shell{display:grid;grid-template-columns:252px minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:#171713;color:#eff2ee;padding:28px 24px 22px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;color:inherit;text-decoration:none;padding:0 4px 26px;border-bottom:1px solid rgba(255,255,255,.13)}.brand-mark,.avatar{width:40px;height:40px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.28);border-radius:50%;font:23px Georgia,serif}.brand strong{font:600 23px Georgia,serif;display:block;letter-spacing:.03em}.brand small{display:block;color:#9da8a2;letter-spacing:.14em;text-transform:uppercase;font-size:8px;margin-top:2px}.nav-kicker{color:#888e89;font-size:9px;letter-spacing:.17em;margin:28px 7px 11px}.side-nav{display:grid;gap:5px}.nav-item{border:0;background:rgba(255,255,255,.085);color:#fff;border-radius:8px;padding:13px 12px;text-align:left;display:flex;gap:12px;align-items:center}.nav-item b{font:400 13px Georgia,"Songti SC",serif;letter-spacing:.04em}.nav-icon{width:24px;text-align:center;color:#d0b17c;font-size:16px}.provider-card{margin-top:auto;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.035);border-radius:12px;padding:15px}.provider-title{display:flex;gap:9px;align-items:center;font-size:11px}.pulse{width:8px;height:8px;border-radius:50%;background:#72c39e;box-shadow:0 0 0 5px rgba(114,195,158,.1)}.provider-card p,.privacy-note p{margin:8px 0 0;color:#aab5af;font-size:10px;line-height:1.6}.privacy-note{display:flex;gap:10px;border-top:1px solid rgba(255,255,255,.12);padding-top:17px;margin-top:16px}.privacy-note strong{display:block;color:#dce4df}.shield{width:22px;height:22px;display:grid;place-items:center;border:1px solid #8ba397;border-radius:50%;color:#b9cbbf;font-size:11px;flex:0 0 auto}
.workspace{min-width:0;display:flex;flex-direction:column;background:var(--paper)}.topbar{height:91px;background:rgba(251,250,246,.92);backdrop-filter:blur(18px);border-bottom:1px solid #d8d3c8;display:flex;align-items:center;justify-content:space-between;padding:0 32px}.eyebrow{font-size:9px;letter-spacing:.19em;font-weight:700;color:#88938e}.topbar h1{font:500 27px Georgia,"Songti SC",serif;margin:6px 0 0}.top-actions{display:flex;gap:12px;align-items:center}.service-state{display:flex;align-items:center;gap:7px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:10px 12px;color:#68736d;font-size:10px}.service-state i{width:7px;height:7px;border-radius:50%;background:#b2b8b4}.service-state.ready i{background:#55a37e}.service-state.error i{background:var(--danger)}.mode-toggle{display:flex;align-items:center;gap:10px;padding:5px 6px 5px 11px;background:#e8ece8;border-radius:9px;color:#6e7873;font-size:10px}.mode-toggle strong{background:#fff;color:var(--green);padding:7px 10px;border-radius:7px;box-shadow:0 2px 8px rgba(20,35,29,.08)}
.content-grid{display:grid;grid-template-columns:minmax(520px,1fr) 350px;min-height:calc(100vh - 91px)}.conversation{min-width:0;position:relative;display:flex;flex-direction:column;height:calc(100vh - 91px)}.messages{padding:34px clamp(28px,5vw,76px) 205px;overflow:auto;flex:1;scroll-behavior:smooth}.message{display:flex;gap:14px;margin-bottom:28px}.message.user{justify-content:flex-end}.message.user .bubble{background:var(--green);color:#fff;border:0;max-width:72%;border-radius:16px 16px 4px 16px;padding:15px 17px;white-space:pre-wrap;line-height:1.65;font-size:13px}.message.user .message-meta{color:#c6d8d0}.message.user .message-meta strong{color:#fff}.avatar{flex:0 0 auto;background:var(--green);color:#fff;border:0;width:32px;height:32px;font-size:16px}.bubble{max-width:820px;min-width:0}.welcome .bubble{border-left:1px solid var(--line);padding-left:24px}.message-meta{display:flex;gap:9px;align-items:center;color:#87918c;font-size:10px;margin-bottom:10px}.message-meta strong{font-size:11px}.welcome h2{font:400 29px/1.2 Georgia,"Songti SC",serif;margin:4px 0 12px}.welcome p,.assistant-answer{color:#56605b;line-height:1.8;font-size:13px;margin:0}.starter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:22px}.starter{background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px;text-align:left;color:#46514c;font-size:11px;line-height:1.45;cursor:pointer}.starter:hover{border-color:#8ca99d;color:var(--green)}.assistant-result .bubble{background:#fff;border:1px solid var(--line);box-shadow:0 8px 28px rgba(30,45,39,.05);padding:18px 19px;border-radius:4px 14px 14px 14px;width:min(820px,100%)}.assistant-answer{white-space:pre-wrap}.assistant-answer strong{color:var(--ink)}.parallel-answer-list{display:grid;gap:16px}.parallel-answer-card{border:1px solid rgba(21,81,63,.18);border-radius:13px;padding:16px;background:#fafbf8}.parallel-answer-card h3{margin:0 0 10px;color:var(--green);font:600 13px Georgia,"Songti SC",serif}
.answer-sources{margin-top:15px;padding-top:12px;border-top:1px solid var(--line);display:grid;gap:7px}.source-heading{font-size:9px;font-weight:700;letter-spacing:.1em;color:#7b8580}.answer-source{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:9px;align-items:center;padding:9px 10px;border:1px solid var(--line);border-radius:9px;color:var(--ink);text-decoration:none;background:#fafbf8}.answer-source:hover{border-color:#91aa9f}.answer-source b{font-size:10px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.answer-source small{display:block;font-size:8px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.source-index{font-size:8px;font-weight:700;color:#5e6c66;background:#eaf1ed;padding:3px 6px;border-radius:99px}.source-arrow{color:var(--green)}.image-row{display:flex;gap:8px;margin-top:11px;justify-content:flex-end}.image-row img{width:82px;height:82px;object-fit:cover;border-radius:10px;background:#eee}
.composer-wrap{position:absolute;left:clamp(28px,5vw,76px);right:clamp(28px,5vw,76px);bottom:18px}.composer{display:flex;align-items:flex-end;gap:9px;background:#fff;border:1px solid #d7ddd8;border-radius:16px;padding:10px;box-shadow:var(--shadow)}.attach-btn{width:35px;height:35px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--green);font-size:20px;cursor:pointer}.composer textarea{flex:1;border:0;outline:0;resize:none;max-height:120px;padding:8px 2px;line-height:1.45;font-size:13px;color:var(--ink);background:transparent}.send-btn{border:0;border-radius:10px;background:var(--green);color:#fff;height:37px;padding:0 9px 0 14px;display:flex;gap:11px;align-items:center;cursor:pointer}.send-btn:disabled{opacity:.55;cursor:wait}.send-btn span{font-size:11px}.send-btn b{font-size:17px}.composer-note{text-align:center;color:#909994;font-size:9px;margin:7px 0 0}.access-token{position:absolute;right:0;bottom:62px;width:190px;padding:8px 10px;border:1px solid var(--line);border-radius:9px;background:#fff;box-shadow:var(--shadow);font-size:11px}.attachment-tray{display:flex;gap:8px;overflow-x:auto;padding:8px 2px}.attachment-card{position:relative;display:flex;align-items:center;gap:8px;min-width:180px;max-width:230px;background:#fff;border:1px solid var(--line);padding:7px;border-radius:10px;box-shadow:0 5px 14px rgba(30,45,39,.05)}.attachment-card img{width:38px;height:38px;object-fit:cover;border-radius:6px}.attachment-info{min-width:0}.attachment-info strong{font-size:10px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attachment-info small{font-size:8px;color:var(--muted)}.remove-file{position:absolute;right:4px;top:3px;border:0;background:transparent;color:#7d8782;cursor:pointer}.drop-hint{display:none;position:absolute;inset:-145px 0 64px;background:rgba(237,242,238,.97);border:2px dashed #7ba28f;border-radius:16px;z-index:5;place-items:center;text-align:center;color:var(--green)}.drop-hint strong,.drop-hint span{display:block}.drop-hint span{font-size:11px;color:var(--muted);margin-top:6px}.conversation.dragging .drop-hint{display:grid}
.reasoning-panel{border-left:1px solid var(--line);background:#fbfbf8;height:calc(100vh - 91px);overflow:hidden}.panel-head{height:77px;padding:20px 22px 13px;display:flex;justify-content:space-between;align-items:center}.panel-head h2{font:500 18px Georgia,serif;margin:4px 0}.live-dot{font-size:9px;color:var(--green);background:var(--green-soft);border-radius:999px;padding:5px 8px}.panel-tabs{display:flex;border-bottom:1px solid var(--line);padding:0 22px}.panel-tabs button{border:0;background:transparent;padding:10px 15px;color:#7a847f;font-size:11px;cursor:pointer;border-bottom:2px solid transparent}.panel-tabs button.active{color:var(--green);border-color:var(--green)}.panel-body{display:none;height:calc(100% - 116px);overflow:auto;padding:22px}.panel-body.active{display:block}.empty-state{text-align:center;padding:82px 22px;color:var(--muted)}.orbit{width:58px;height:58px;border:1px solid #bdd0c7;border-radius:50%;margin:0 auto 17px;display:grid;place-items:center;position:relative}.orbit:after{content:"";position:absolute;width:70px;height:28px;border:1px solid #dce6e1;border-radius:50%;transform:rotate(-28deg)}.orbit span{font:22px Georgia;color:var(--green)}.empty-state h3{font:500 16px Georgia,serif;color:var(--ink)}.empty-state p,.empty-copy{font-size:11px;line-height:1.7;color:#7c8581}.metric-card{background:var(--green-dark);color:#fff;border-radius:12px;padding:15px;margin-bottom:13px}.metric-top{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:10px;color:#a9bbb4}.metric-number{font:29px Georgia,serif;margin-top:8px}.metric-number small{font:10px sans-serif;color:#a9bbb4}.status-stack{display:grid;gap:9px;margin-top:14px}.status-row{display:grid;grid-template-columns:8px 1fr auto;gap:9px;align-items:center;border:1px solid var(--line);background:#fff;border-radius:9px;padding:11px}.status-row i{width:8px;height:8px;border-radius:50%;background:#b8beb9}.status-row.completed i{background:#57a47e}.status-row.failed i{background:#c17a6c}.status-row b{font-size:10px}.status-row span{font-size:9px;color:var(--muted)}.reason-group{border-bottom:1px solid var(--line);padding:4px 0 14px;margin-bottom:14px}.reason-group h3{font-size:9px;letter-spacing:.1em;color:#87908c}.reason-group p{font-size:11px;line-height:1.65;color:#4f5a55;margin:7px 0 0}.panel-source-list{display:grid;gap:8px}.panel-source-list a{display:block;border:1px solid var(--line);background:#fff;border-radius:9px;padding:11px;color:var(--ink);text-decoration:none}.panel-source-list b{display:block;font-size:10px;overflow-wrap:anywhere}.panel-source-list small{display:block;color:var(--muted);font-size:8px;margin-top:5px;overflow-wrap:anywhere}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;background:#17201d;color:#fff;border-radius:9px;padding:10px 14px;font-size:11px;transition:.2s;pointer-events:none;z-index:20}.toast.show{opacity:1;transform:translate(-50%,0)}
.provisional-note{display:inline-block;margin-bottom:10px;padding:4px 7px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:9px;font-weight:700}.second-opinion{margin-top:14px;padding-top:11px;border-top:1px solid var(--line);color:#7c8580;font-size:10px}.status-row.pending i{background:#d3a85e;animation:pulse-state 1.2s infinite}.status-row span{text-align:right}@keyframes pulse-state{50%{opacity:.35}}
@media(max-width:1050px){.content-grid{grid-template-columns:1fr}.reasoning-panel{display:none}.shell{grid-template-columns:210px minmax(0,1fr)}.sidebar{padding-left:20px;padding-right:20px}}@media(max-width:720px){.shell{display:block}.sidebar{display:none}.topbar{height:auto;padding:16px;align-items:flex-start;gap:12px}.top-actions{align-items:flex-end;flex-direction:column}.content-grid,.conversation{height:calc(100vh - 102px);min-height:0}.messages{padding:22px 16px 190px}.composer-wrap{left:12px;right:12px}.starter-grid{grid-template-columns:1fr}.message.user .bubble{max-width:88%}.service-state{display:none}}
.assistant-answer{white-space:normal}.assistant-answer p{margin:0 0 10px}.assistant-answer p:last-child{margin-bottom:0}.assistant-answer h4{margin:16px 0 7px;color:var(--ink);font-size:14px}.assistant-answer ul,.assistant-answer ol{margin:7px 0 12px;padding-left:22px}.assistant-answer li{margin:3px 0}.assistant-answer blockquote{margin:10px 0;padding:8px 12px;border-left:3px solid #8eaa9d;background:#f4f7f5}.assistant-answer pre{margin:10px 0;padding:11px;overflow:auto;border-radius:8px;background:#eef2ef;color:#26332d;font:11px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace}.assistant-answer code{padding:1px 4px;border-radius:4px;background:#eef2ef;font:11px ui-monospace,SFMono-Regular,Menlo,monospace}.assistant-answer pre code{padding:0;background:transparent}.assistant-answer a{color:var(--green);text-decoration:underline;text-underline-offset:2px}.assistant-answer hr{border:0;border-top:1px solid var(--line);margin:14px 0}
.live-answer-list .parallel-answer-card h3{display:flex;justify-content:space-between;gap:12px;align-items:center}.live-answer-list .parallel-answer-card h3 span{font:500 9px Inter,"PingFang SC",sans-serif;color:#83908a}.stream-placeholder{color:#98a19c;animation:stream-pulse 1.2s ease-in-out infinite}.stream-failed{opacity:.72}@keyframes stream-pulse{50%{opacity:.4}}