:root{
  --ink:#18201d;--muted:#747b78;--line:#e8e9e5;--paper:#f7f7f5;--white:#fff;
  --green:#1f6650;--green-soft:#e8f1ec;--lime:#d9efa2;--violet:#7057bd;
  --shadow:0 18px 60px rgba(25,34,30,.09)
}
*{box-sizing:border-box}
html,body{height:100%;overflow:hidden}
body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
button,input,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.app{height:100vh;height:100dvh;min-height:0;overflow:hidden;display:grid;grid-template-columns:58px 236px minmax(460px,1fr) 350px;background:var(--white)}

.rail{background:#13231d;color:white;padding:17px 9px 13px;display:flex;flex-direction:column;align-items:center}
.logo{width:36px;height:36px;background:var(--lime);border-radius:11px;display:grid;place-items:center;position:relative;overflow:hidden}
.logo:before{content:"";width:20px;height:20px;border-radius:50%;background:#173027}
.logo:after{content:"";position:absolute;width:20px;height:20px;border-radius:50%;background:var(--lime);left:20px;top:6px}
.logo i{position:absolute;width:4px;height:4px;border-radius:50%;background:#173027;left:9px;bottom:7px}
.rail nav{margin-top:38px;display:grid;gap:12px}.rail button{width:38px;height:38px;border:0;border-radius:10px;background:transparent;color:#879a91;font-size:15px}.rail button:hover,.rail button.active{background:rgba(255,255,255,.09);color:var(--lime)}
.rail-bottom{margin-top:auto;display:grid;gap:12px;place-items:center}.avatar{width:32px;height:32px;border-radius:50%;background:#c9a981;display:grid;place-items:center;font-family:Georgia,serif;font-size:11px}

.history{border-right:1px solid var(--line);background:#f5f5f2;padding:20px 13px 15px;display:flex;flex-direction:column;min-width:0}
.history-head{display:flex;justify-content:space-between;align-items:center;padding:0 5px 19px}.history-head b{font-family:Georgia,serif;font-size:17px;display:block}.history-head small{display:block;color:#909793;font-size:6px;letter-spacing:1.35px;margin-top:2px}.history-head button{border:0;background:transparent;color:var(--muted);font-size:18px}
.new-chat{width:100%;border:0;background:var(--green);color:white;border-radius:9px;padding:10px 11px;text-align:left;font-size:10px;font-weight:700}.new-chat span{font-size:14px;margin-right:5px}.new-chat kbd{float:right;color:#a9c9bc;background:rgba(255,255,255,.1);padding:2px 4px;border-radius:4px;font-size:7px}
.history-search{margin:12px 2px 8px;color:#949b97;background:#ecece8;border-radius:8px;padding:8px 9px;font-size:10px}.history-search input{width:calc(100% - 22px);border:0;background:transparent;outline:0;font-size:9px;margin-left:4px}
.history-list{overflow:auto;flex:1}.history-list>p{color:#9da39f;font-size:7px;margin:16px 7px 7px;letter-spacing:.7px}.history-item{width:100%;border:0;background:transparent;border-radius:8px;padding:9px;text-align:left;display:flex;gap:8px;align-items:flex-start}.history-item:hover,.history-item.active{background:white;box-shadow:0 3px 15px rgba(25,35,30,.05)}.history-item>i{width:24px;height:24px;border-radius:7px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-style:normal;font-size:9px;flex:0 0 auto}.history-item b{display:block;font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:155px}.history-item small{display:block;color:var(--muted);font-size:7px;margin-top:4px}
.plan-card{border:1px solid #dfe2dc;background:#fafaf7;border-radius:10px;padding:11px}.plan-card>div{display:flex;justify-content:space-between;align-items:end}.plan-card span{font-size:7px;color:var(--muted)}.plan-card b{font-size:10px}.plan-card>i{display:block;height:3px;background:#e8e9e5;border-radius:2px;margin:8px 0}.plan-card em{display:block;height:100%;background:var(--green);border-radius:2px;width:72%}.plan-card small{display:block;color:#929995;font-size:6px}

.chat-shell{position:relative;display:flex;flex-direction:column;min-width:0;min-height:0;height:100%;overflow:hidden;background:#fbfbf9}
.chat-topbar{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 21px;background:rgba(255,255,255,.88);backdrop-filter:blur(10px);z-index:2}
.agent-identity{display:flex;align-items:center;gap:9px}.agent-mark{width:32px;height:32px;border-radius:9px;background:#173c30;color:var(--lime);display:grid;place-items:center;font-size:13px}.agent-identity b{display:block;font-size:10px}.agent-identity small{display:block;color:var(--muted);font-size:7px;margin-top:3px}.agent-identity small i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#62b68d;margin-right:4px}
.top-actions{display:flex;gap:6px}.top-actions button{border:1px solid var(--line);background:white;border-radius:7px;padding:7px 10px;font-size:8px}.more-button{width:31px;padding:0!important}
.chat-content{flex:1 1 0;height:0;min-height:0;overflow-x:hidden;overflow-y:scroll;overscroll-behavior:contain;scrollbar-gutter:stable;padding:28px 7% 18px}
.chat-content::-webkit-scrollbar{width:11px}.chat-content::-webkit-scrollbar-track{background:#f1f2ef;border-left:1px solid #e7e9e5}.chat-content::-webkit-scrollbar-thumb{background:#b8c2bd;border:3px solid #f1f2ef;border-radius:10px}.chat-content::-webkit-scrollbar-thumb:hover{background:#8fa098}
.chat-content{scrollbar-width:auto;scrollbar-color:#aab7b1 #f1f2ef}
.welcome{max-width:1180px;margin:0 auto;text-align:center;padding-top:4vh}.welcome-mark{width:45px;height:45px;border-radius:14px;background:#173c30;color:var(--lime);display:grid;place-items:center;margin:0 auto 16px;font-size:17px;box-shadow:0 8px 24px rgba(23,60,48,.18)}.welcome>p{color:var(--green);font-size:7px;letter-spacing:1.7px;font-weight:800}.welcome h1{font-family:Georgia,"Songti SC",serif;font-weight:500;font-size:35px;line-height:1.16;letter-spacing:-1px;margin:11px 0}.welcome h1 em{color:var(--green);font-weight:inherit}.welcome-copy{color:var(--muted);font-size:9px;line-height:1.7}
.skill-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:27px 0 15px}.skill-card{position:relative;min-width:0;overflow:hidden;border:1px solid var(--line);background:white;border-radius:18px;padding:10px 10px 15px;text-align:left;transition:transform .2s,border-color .2s,box-shadow .2s}.skill-card:hover{transform:translateY(-3px);border-color:#c7d6cf;box-shadow:0 12px 30px rgba(30,50,41,.09)}.skill-cover{display:block;width:100%;aspect-ratio:1.6458;overflow:hidden;border-radius:13px;background:#eff1ee}.skill-cover img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.skill-card:hover .skill-cover img{transform:scale(1.025)}.skill-card-copy{display:block;padding:12px 34px 0 4px}.skill-card b{display:block;font-size:10px;line-height:1.35;color:#17201c}.skill-card small{display:block;color:var(--muted);font-size:7px;line-height:1.45;margin-top:4px}.skill-card>i{position:absolute;right:13px;bottom:13px;width:24px;height:24px;border-radius:50%;background:#eef0ed;color:#afb6b2;display:grid;place-items:center;font-style:normal;font-size:12px;transition:.2s}.skill-card:hover>i{background:var(--green);color:white;transform:translate(1px,-1px)}
.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.suggestions button{border:0;background:#f0f0ec;border-radius:8px;padding:9px 10px;text-align:left;font-size:7px;color:#5f6864}.suggestions span{float:right;color:var(--green)}
.messages{max-width:760px;margin:0 auto;padding-bottom:20px}.message{margin-bottom:24px}.message.user{display:flex;justify-content:flex-end}.user-bubble{max-width:75%;background:#173c30;color:white;border-radius:15px 15px 4px 15px;padding:11px 14px;font-size:9px;line-height:1.65}.assistant-message{display:grid;grid-template-columns:31px 1fr;gap:10px}.assistant-avatar{width:31px;height:31px;border-radius:9px;background:#173c30;color:var(--lime);display:grid;place-items:center;font-size:10px}.assistant-body>span{display:block;color:var(--muted);font-size:7px;margin-bottom:6px}.assistant-body>p{font-size:9px;line-height:1.75;margin:0;max-width:630px}.plan-block{margin:12px 0;border:1px solid var(--line);border-radius:10px;background:white;padding:12px}.plan-block.live{border-color:#cddbd5;background:#fbfdfb}.plan-block>span{font-size:7px;color:var(--muted);font-weight:700}.plan-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-top:10px}.plan-step{display:grid;grid-template-columns:18px 1fr;gap:7px;align-items:start;min-width:0;border:1px solid #edf0ec;border-radius:8px;background:#fafbf9;padding:8px;color:#58635e}.plan-step i{width:17px;height:17px;border-radius:50%;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-style:normal;font-size:7px}.plan-step b{display:block;font-size:7px;line-height:1.45;color:#44504a}.plan-step small{display:block;font-size:6px;line-height:1.55;color:#7b8580;margin-top:3px}.plan-step.pending{color:#9aa19d}.plan-step.pending i{background:#f1f2ef;color:#9aa19d}.plan-step.pending b,.plan-step.pending small{color:#9aa19d}.plan-step.running{border-color:#c9dcd3;background:#f5faf7}.plan-step.running i{position:relative;background:#dcebe4}.plan-step.running i:after{content:"";width:7px;height:7px;border:1.5px solid var(--green);border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:10px}.mini-artifact{aspect-ratio:1;border-radius:8px;background-size:cover;background-position:center;cursor:pointer;position:relative;overflow:hidden}.mini-artifact:after{content:"查看";position:absolute;inset:auto 5px 5px;background:rgba(15,28,23,.68);color:white;border-radius:4px;padding:4px;text-align:center;font-size:6px;opacity:0;transition:.2s}.mini-artifact:hover:after{opacity:1}
.crop-0{background-position:0 0}.crop-1{background-position:100% 0}.crop-2{background-position:0 100%}.crop-3{background-position:100% 100%}
.thinking{display:flex;gap:4px;padding:7px 0}.thinking i{width:5px;height:5px;border-radius:50%;background:#9eaaa4;animation:bounce 1s infinite}.thinking i:nth-child(2){animation-delay:.14s}.thinking i:nth-child(3){animation-delay:.28s}@keyframes bounce{50%{transform:translateY(-4px);background:var(--green)}}
.intent-loading{display:flex;align-items:center;gap:7px;min-height:28px;color:#36443e}.intent-loading b{font-size:9px;font-weight:600}.intent-loading .thinking{padding:0;margin-left:1px}.intent-spinner{width:15px;height:15px;border:2px solid #dce9e3;border-top-color:var(--green);border-radius:50%;animation:intentSpin .85s linear infinite;box-shadow:0 0 0 3px rgba(23,60,48,.035)}@keyframes intentSpin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.intent-spinner,.thinking i{animation-duration:1.8s}}
.message-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}.message-actions button{border:1px solid #cbd8d2;background:white;color:var(--green);border-radius:8px;padding:8px 11px;font-size:7px;font-weight:700;cursor:pointer}.message-actions button:first-child{background:var(--green);border-color:var(--green);color:white}.message-actions button:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(23,60,48,.1)}

.composer-wrap{flex:0 0 auto;padding:8px 7% 10px;background:linear-gradient(transparent,#fbfbf9 20%);position:relative;z-index:2}.composer{max-width:760px;margin:0 auto;background:white;border:1px solid #dfe3df;border-radius:13px;box-shadow:0 8px 30px rgba(31,42,37,.08);padding:11px;position:relative}.composer textarea{width:100%;border:0;outline:0;resize:none;min-height:34px;max-height:100px;font-size:9px;line-height:1.6;padding:3px 4px;background:transparent}.composer-tools{display:flex;justify-content:space-between;align-items:center;margin-top:5px}.composer-tools>div{display:flex;align-items:center;gap:5px}.composer-tools button,.upload-button{border:1px solid var(--line);background:#fafaf7;border-radius:7px;padding:6px 8px;color:#66706b;font-size:7px}.upload-button{display:inline-block;cursor:pointer}.upload-button input{display:none}.model-select{font-size:7px;color:var(--muted);padding:5px}.send-button{width:29px!important;height:29px!important;border-radius:8px!important;background:var(--green)!important;color:white!important;border:0!important;font-size:13px!important;padding:0!important}.send-button:disabled{opacity:.45}.composer-wrap>p{text-align:center;color:#adb2af;font-size:6px;margin:6px 0 0}.upload-preview,.active-skill{max-width:760px;margin:0 auto 6px;background:white;border:1px solid var(--line);border-radius:8px;padding:6px;display:flex;align-items:center;gap:7px;font-size:7px}.upload-preview>div{display:flex;gap:6px;overflow-x:auto}.upload-item{display:flex;align-items:center;gap:5px;background:#f5f7f4;border-radius:6px;padding:3px 5px;white-space:nowrap}.upload-item img{width:30px;height:30px;border-radius:5px;object-fit:cover}.upload-item b{max-width:110px;overflow:hidden;text-overflow:ellipsis}.upload-item button{margin-left:0!important}.upload-preview>button,.active-skill button{margin-left:auto;border:0;background:transparent;color:var(--muted)}.active-skill{width:max-content;margin-left:max(0px,calc((100% - 760px)/2));color:var(--green);background:var(--green-soft)}
.material-mentions{position:absolute;left:10px;bottom:calc(100% + 7px);width:min(360px,calc(100% - 20px));max-height:230px;overflow:auto;background:white;border:1px solid var(--line);border-radius:11px;box-shadow:0 18px 50px rgba(25,34,30,.16);padding:7px;z-index:12}.material-mentions:before{content:"选择已上传素材";display:block;color:var(--muted);font-size:7px;font-weight:700;padding:4px 7px 7px}.material-mention{width:100%;border:0;background:transparent;border-radius:8px;padding:7px;display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:8px;text-align:left;color:var(--ink)}.material-mention:hover,.material-mention.active{background:#edf4f0}.material-mention img{width:38px;height:38px;border-radius:7px;object-fit:cover}.material-mention span{min-width:0}.material-mention b{display:block;font-size:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.material-mention small{display:block;color:var(--muted);font-size:6px;margin-top:3px}.material-mention em{font-style:normal;color:var(--green);font-size:7px}
.drop-upload-overlay{position:absolute;inset:5px;z-index:20;border:1.5px dashed #6f9f8d;border-radius:10px;background:rgba(236,246,240,.96);display:none;place-items:center;text-align:center;pointer-events:none}.drop-upload-overlay b{display:block;color:var(--green);font-size:9px}.drop-upload-overlay small{display:block;color:var(--muted);font-size:6px;margin-top:4px}.composer.dragging-files{border-color:#6f9f8d;box-shadow:0 0 0 4px rgba(31,102,80,.08),0 8px 30px rgba(31,42,37,.08)}.composer.dragging-files .drop-upload-overlay{display:grid}
.skill-popover{position:absolute;left:8%;bottom:115px;width:250px;background:white;border:1px solid var(--line);border-radius:11px;box-shadow:var(--shadow);padding:7px;z-index:5}.skill-option{width:100%;border:0;background:transparent;border-radius:8px;padding:8px;display:flex;gap:8px;text-align:left}.skill-option:hover{background:#f3f4f0}.skill-option i{width:25px;height:25px;border-radius:7px;background:var(--green-soft);display:grid;place-items:center;font-style:normal;color:var(--green)}.skill-option b{display:block;font-size:8px}.skill-option small{display:block;color:var(--muted);font-size:6px;margin-top:3px}

.artifacts{border-left:1px solid var(--line);background:#f4f4f1;display:flex;flex-direction:column;min-width:0}.artifacts>header{height:68px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 16px}.artifacts header b{display:block;font-size:10px}.artifacts header small{display:block;color:var(--muted);font-size:7px;margin-top:3px}.artifacts header button{border:0;background:transparent;color:var(--muted);font-size:18px}
.artifact-empty{margin:auto;padding:30px;text-align:center}.empty-canvas{width:110px;height:110px;margin:0 auto 21px;position:relative;border:1px dashed #cfd4d0;border-radius:16px;transform:rotate(-3deg)}.empty-canvas:before{content:"";position:absolute;inset:10px;border:1px solid #dfe2df;border-radius:10px;background:#fafaf7}.empty-canvas i,.empty-canvas b,.empty-canvas em{position:absolute;z-index:1;background:#d7e8df;border-radius:6px}.empty-canvas i{width:35px;height:46px;left:20px;top:22px}.empty-canvas b{width:28px;height:28px;right:17px;top:22px;background:#f0dec3}.empty-canvas em{width:61px;height:15px;left:24px;bottom:19px;background:#e4e2ef}.artifact-empty h3{font-family:Georgia,"Songti SC",serif;font-size:14px;font-weight:500}.artifact-empty p{color:var(--muted);font-size:8px;line-height:1.6}
.artifact-content{display:flex;flex-direction:column;height:calc(100vh - 68px);padding:13px}.artifact-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.artifact-toolbar span{font-size:8px;color:var(--muted)}.artifact-toolbar button{border:0;background:transparent;color:#9aa09d;padding:4px 6px;border-radius:5px}.artifact-toolbar button.active{background:white;color:var(--green)}
.artifact-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;overflow:auto;flex:1;align-content:start}.artifact-card{aspect-ratio:1;border-radius:10px;background-size:cover;background-position:center;position:relative;overflow:hidden;cursor:pointer}.artifact-card:before{content:"";position:absolute;inset:0;background:linear-gradient(transparent 55%,rgba(11,20,16,.7));opacity:.9}.artifact-card-info{position:absolute;left:8px;right:8px;bottom:7px;color:white;display:flex;justify-content:space-between;align-items:end}.artifact-card-info b{font-size:7px}.artifact-card-info small{display:block;font-size:6px;color:#d8dfdb;margin-top:2px}.artifact-card-info input{accent-color:var(--lime)}.canvas-actions{display:flex;gap:6px;padding-top:10px}.canvas-actions button{flex:1;border:1px solid var(--line);background:white;border-radius:8px;padding:8px;font-size:7px}.canvas-actions .download-all{background:var(--green);color:white;border-color:var(--green)}
.artifact-grid.single{grid-template-columns:1fr}.artifact-grid.single .artifact-card{aspect-ratio:1.25}

.preview-modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:18px}.preview-backdrop{position:absolute;inset:0;background:rgba(9,17,13,.72);backdrop-filter:blur(5px)}.preview-panel{position:relative;width:min(1060px,96vw);height:min(900px,95vh);background:white;border-radius:14px;overflow:hidden;box-shadow:0 30px 100px rgba(0,0,0,.3);display:flex;flex-direction:column}.preview-panel>header{height:55px;flex:0 0 55px;display:flex;justify-content:space-between;align-items:center;padding:0 17px;border-bottom:1px solid var(--line)}.preview-panel>header small{display:block;color:var(--green);font-size:6px;letter-spacing:1.2px}.preview-panel>header b{font-size:9px}.preview-panel>header button{border:0;background:transparent;font-size:20px}.preview-editor{min-height:0;flex:1;display:flex;flex-direction:column;background:#f1f3ef}.mask-toolbar{min-height:48px;display:flex;align-items:center;gap:7px;padding:8px 14px;background:white;border-bottom:1px solid var(--line);flex-wrap:wrap}.mask-toolbar button{border:1px solid var(--line);background:#fafaf8;color:#606b66;border-radius:7px;padding:7px 9px;font-size:7px}.mask-toolbar button.active{background:#173c30;color:white;border-color:#173c30}.mask-toolbar label{display:flex;align-items:center;gap:6px;font-size:7px;color:var(--muted);padding:0 4px}.mask-toolbar input{width:90px;accent-color:#ef534f}.mask-toolbar span{margin-left:auto;font-size:7px;color:#c7423f}.preview-stage{position:relative;min-height:0;flex:1;display:grid;place-items:center;padding:12px;overflow:hidden}.preview-canvas-wrap{position:relative;max-width:100%;max-height:100%;box-shadow:0 8px 28px rgba(17,32,25,.13);background:#e6e9e5;line-height:0;touch-action:none;user-select:none}.preview-canvas-wrap img{display:block;width:100%;height:100%;object-fit:contain;pointer-events:none}.preview-canvas-wrap canvas{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair;touch-action:none}.preview-canvas-wrap.comparing canvas{opacity:0}.edit-instruction{background:white;border-top:1px solid var(--line);padding:10px 14px}.edit-instruction label{display:block;font-size:7px;font-weight:700;margin-bottom:6px;color:#45524c}.edit-instruction textarea{width:100%;resize:none;border:1px solid var(--line);border-radius:8px;padding:9px 10px;font-size:8px;line-height:1.5;outline:none}.edit-instruction textarea:focus{border-color:#90aa9e;box-shadow:0 0 0 3px rgba(23,60,48,.06)}.preview-panel>footer{display:flex;align-items:center;justify-content:flex-end;gap:7px;padding:11px 14px;flex:0 0 auto;border-top:1px solid var(--line)}.preview-panel>footer small{margin-right:auto;color:var(--muted);font-size:6px}.preview-panel>footer button{border:1px solid var(--line);background:white;border-radius:7px;padding:8px 10px;font-size:8px}.preview-panel>footer button.primary{background:var(--green);color:white;border-color:var(--green)}.preview-panel>footer button:disabled{opacity:.5}
.preview-workspace{min-height:0;flex:1;display:grid;grid-template-columns:150px minmax(0,1fr) 180px}.preview-sources{min-width:0;background:#fff;border-right:1px solid var(--line);padding:10px;overflow:auto}.preview-sources>header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.preview-sources>header b{font-size:8px}.preview-sources>header small{font-size:6px;color:var(--muted)}.preview-sources>div{display:grid;gap:8px}.preview-source{border:1px solid var(--line);border-radius:8px;background:#fafbf9;padding:5px;text-align:left;color:var(--ink)}.preview-source:hover{border-color:#8eb2a3;background:#f3f8f5}.preview-source img{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:5px}.preview-source b{display:block;font-size:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:5px}.preview-source small{display:block;font-size:5px;color:var(--green);margin-top:2px}.preview-sources>p{font-size:6px;line-height:1.6;color:var(--muted);text-align:center;padding:18px 5px}.mask-toolbar .zoom-value{font-style:normal;color:var(--muted);font-size:6px;min-width:28px;text-align:center}.preview-canvas-wrap{transform-origin:center center;will-change:transform}.preview-canvas-wrap.pan-mode canvas{cursor:grab}.preview-canvas-wrap.pan-mode.is-panning canvas{cursor:grabbing}.source-lightbox{position:absolute;inset:55px 0 0;z-index:25;background:rgba(247,248,246,.98);display:flex;flex-direction:column}.source-lightbox>header{height:50px;flex:0 0 50px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 17px}.source-lightbox>header small{display:block;color:var(--green);font-size:6px;letter-spacing:1px}.source-lightbox>header b{font-size:8px}.source-lightbox>header button{border:0;background:transparent;font-size:18px}.source-lightbox>div{min-height:0;flex:1;display:grid;place-items:center;padding:18px;overflow:auto}.source-lightbox img{display:block;max-width:100%;max-height:100%;object-fit:contain;box-shadow:0 8px 30px rgba(17,32,25,.12)}
.preview-history{min-width:0;background:white;border-left:1px solid var(--line);padding:10px;overflow:auto;display:flex;flex-direction:column;gap:14px}.preview-history section>header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.preview-history section>header b{font-size:8px}.preview-history section>header small{font-size:6px;color:var(--muted)}.preview-history section>p{font-size:6px;line-height:1.55;color:var(--muted);text-align:center;padding:14px 4px}.edit-history-list{display:grid;gap:7px}.edit-history-item{width:100%;border:1px solid var(--line);border-radius:8px;background:#fafbf9;padding:7px;text-align:left;color:var(--ink)}.edit-history-item:hover{border-color:#8eb2a3;background:#f3f8f5}.edit-history-item.active{border-color:#26775e;background:#edf7f2;box-shadow:0 0 0 2px rgba(38,119,94,.1)}.edit-history-item.active b,.edit-history-item.active em{color:#17694f}.edit-history-item>span{display:flex;justify-content:space-between;align-items:center;gap:5px}.edit-history-item b{font-size:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.edit-history-item time{font-size:5px;color:var(--muted)}.edit-history-item small{display:block;font-size:5px;color:#6f7a74;line-height:1.5;margin-top:4px}.edit-history-item em{display:inline-block;font-style:normal;font-size:5px;color:var(--green);margin-top:5px}.editor-materials{border-top:1px solid var(--line);padding-top:12px}.editor-materials>div{display:grid;grid-template-columns:1fr 1fr;gap:6px}.editor-material{min-width:0;border:1px solid var(--line);border-radius:7px;background:#fafbf9;padding:4px;text-align:left;cursor:grab}.editor-material:hover{border-color:#8eb2a3}.editor-material:active{cursor:grabbing}.editor-material img{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:5px;pointer-events:none}.editor-material b{display:block;font-size:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}.editor-material small{display:block;font-size:5px;color:var(--green);margin-top:2px}.region-editor-card.material-dragover textarea{border-color:#26775e;background:#f1faf6;box-shadow:0 0 0 3px rgba(38,119,94,.12)}
.edit-history-item{position:relative;padding:0;overflow:hidden}.edit-history-select{display:block;width:100%;border:0;background:transparent;color:inherit;text-align:left;padding:7px 7px 24px}.edit-history-select>span{display:flex;justify-content:space-between;align-items:center;gap:5px}.edit-history-delete{position:absolute;right:6px;bottom:6px;border:0;border-radius:5px;background:#fff0ef;color:#b84440;padding:3px 6px;font-size:5px;line-height:1.2}.edit-history-delete:hover{background:#fbdedb;color:#9d2926}.edit-history-item.active .edit-history-delete{background:#ffe8e5}
.region-editor-layer{position:absolute;inset:0;z-index:8;pointer-events:none}.region-marker{position:absolute;width:22px;height:22px;border:2px solid white;border-radius:50%;background:#d94440;color:white;box-shadow:0 2px 9px rgba(75,28,26,.3);font-size:7px;font-weight:800;pointer-events:auto;transform:translate(-50%,-50%)}.region-marker.has-prompt{background:var(--green)}.region-editor-card{position:absolute;width:250px;background:white;border:1px solid #d7ded9;border-radius:11px;box-shadow:0 14px 38px rgba(16,31,24,.22);padding:11px;pointer-events:auto;line-height:1.4}.region-editor-card:before{content:"";position:absolute;left:-7px;top:20px;width:12px;height:12px;background:white;border-left:1px solid #d7ded9;border-bottom:1px solid #d7ded9;transform:rotate(45deg)}.region-editor-card.flip:before{left:auto;right:-7px;transform:rotate(225deg)}.region-editor-head{display:flex;align-items:center;gap:7px;margin-bottom:8px}.region-editor-head>i{width:21px;height:21px;border-radius:50%;background:#d94440;color:white;display:grid;place-items:center;font-style:normal;font-size:7px;font-weight:800}.region-editor-head>div{min-width:0;flex:1}.region-editor-head b{display:block;font-size:8px}.region-editor-head small{display:block;font-size:6px;color:var(--muted);margin-top:1px}.region-editor-head button{border:0;background:transparent;color:#87908b;font-size:13px;padding:2px}.region-editor-card textarea{display:block;width:100%;height:72px;resize:none;border:1px solid var(--line);border-radius:8px;padding:8px;font-size:7px;line-height:1.55;outline:none}.region-editor-card textarea:focus{border-color:#89aa9b;box-shadow:0 0 0 3px rgba(23,60,48,.07)}.region-reference-list{display:flex;gap:5px;overflow-x:auto;margin-top:7px}.region-reference{position:relative;flex:0 0 42px;height:42px;border-radius:7px;overflow:hidden;background:#eef1ed}.region-reference img{width:100%;height:100%;object-fit:cover}.region-reference button{position:absolute;right:2px;top:2px;width:14px;height:14px;border:0;border-radius:50%;background:rgba(18,31,25,.78);color:white;font-size:8px;padding:0}.region-editor-actions{display:flex;align-items:center;gap:6px;margin-top:8px}.region-upload{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--line);border-radius:7px;background:#fafbf9;color:#59645e;padding:6px 8px;font-size:6px;cursor:pointer}.region-upload input{display:none}.region-editor-actions>small{color:var(--muted);font-size:5px;flex:1}.region-editor-actions>button{border:0;border-radius:7px;background:var(--green);color:white;padding:7px 10px;font-size:6px}.region-delete{margin-top:7px;border:0;background:transparent;color:#bd5551;font-size:6px;padding:0}
.upload-item em{font-style:normal;color:#c7423f;background:#fff0ef;border-radius:4px;padding:2px 4px}
.toast{position:fixed;right:22px;bottom:22px;background:#15251f;color:white;border-radius:9px;padding:11px 15px;font-size:8px;z-index:80;box-shadow:var(--shadow)}

@media(max-width:1360px){.skill-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1100px){.app{grid-template-columns:58px 210px 1fr}.artifacts{display:none}}
@media(max-width:760px){.app{display:block}.rail{position:fixed;left:0;right:0;bottom:0;top:auto;height:56px;flex-direction:row;z-index:20;padding:8px 14px}.rail .logo{display:none}.rail nav{margin:0;display:flex;justify-content:space-around;width:100%}.rail-bottom{display:none}.history{display:none}.chat-shell{height:calc(100vh - 56px);height:calc(100dvh - 56px)}.chat-content{padding:20px 16px}.skill-grid{grid-template-columns:1fr 1fr;gap:9px}.skill-card{border-radius:14px;padding:8px 8px 12px}.skill-cover{border-radius:10px}.skill-card-copy{padding:9px 27px 0 2px}.skill-card>i{right:10px;bottom:11px;width:21px;height:21px}.suggestions{grid-template-columns:1fr}.composer-wrap{padding:8px 12px}.welcome h1{font-size:30px}.plan-steps{grid-template-columns:1fr}.result-strip{grid-template-columns:1fr 1fr}.preview-panel{width:96vw;height:96vh}.mask-toolbar span{display:none}.mask-toolbar label{order:3;width:100%}.mask-toolbar input{flex:1}.preview-panel>footer small{display:none}.preview-panel>footer button{flex:1}.preview-workspace{grid-template-columns:72px minmax(0,1fr) 104px}.preview-sources,.preview-history{padding:6px}.preview-stage{padding:7px}.editor-materials>div{grid-template-columns:1fr}.region-editor-card{width:210px}}