:root{--paper:#f7f6f2;--surface:#fffefa;--ink:#263b32;--muted:#889087;--line:#e4e6df;--green:#274c3b}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Microsoft YaHei",sans-serif;font-size:14px}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea,summary{outline-offset:4px}button{cursor:pointer;border:1px solid var(--line);border-radius:6px;background:var(--surface);padding:8px 12px}button:disabled{cursor:default;opacity:.4}button:hover:enabled{border-color:#91a095}a{color:inherit;text-decoration:none}select{border:0;border-radius:5px;padding:7px;background:transparent;max-width:100%}.quiet{border:0;background:transparent;color:var(--muted)}[hidden]{display:none!important}
.topbar{height:76px;padding:0 36px;display:flex;align-items:center;gap:22px}.brand{font-size:21px;font-weight:600;letter-spacing:-.7px;white-space:nowrap}.brand-dot{color:#829b86;margin-left:4px}.project-heading{min-width:0}.project-heading h1{font-size:12px;font-weight:400;color:var(--muted);margin:0;white-space:nowrap}.toolbar-actions{margin-left:auto;display:flex;align-items:center;gap:20px}.tabs{display:flex;gap:3px;padding:3px;background:#eeeee8;border-radius:9px}.tabs button{border:0;background:transparent;padding:7px;width:34px;height:34px;display:grid;place-items:center;color:#929a92;border-radius:6px}.tabs .active{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px #263b3209}.tabs svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linejoin:round}#alternatives{font-size:12px;max-width:190px;cursor:pointer}.tools-menu{position:relative;font-size:12px;z-index:8}.tools-menu>summary{list-style:none;cursor:pointer;padding:10px 6px;letter-spacing:3px;font-weight:600}.tools-menu summary::-webkit-details-marker{display:none}.tools-popover{position:absolute;right:0;top:40px;width:200px;background:var(--surface);border:1px solid var(--line);padding:10px;box-shadow:0 12px 40px #263b3210;display:grid;gap:3px;border-radius:10px}.tools-popover button{text-align:left;background:transparent;border:0;padding:9px 10px}.tools-popover button:hover:enabled{background:#eef0e9}#mode-label{font-size:10px;color:var(--muted);padding:0 10px 8px}.tools-popover nav{display:flex;gap:12px;padding:13px 10px 5px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}
.workspace{height:calc(100dvh - 76px);min-height:500px;position:relative;padding:0 36px 104px}.result{height:100%;display:flex;flex-direction:column;min-height:0}.empty{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:30px;gap:16px}.eyebrow{font-size:10px;letter-spacing:3px;color:var(--muted)}.empty h2{font-size:32px;font-weight:400;letter-spacing:1px;margin:4px 0;color:var(--ink)}.empty p{font-size:13px;color:var(--muted);margin:0 0 12px;line-height:1.8}.examples{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.examples button{font-size:11px;border:0;background:#eeeee8;padding:10px 14px;border-radius:20px;color:#657469}
.drawing-board{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr) minmax(0,1fr);gap:34px;padding-top:18px}.view{min-width:0;min-height:0;display:flex;flex-direction:column;position:relative}.view-head{display:flex;align-items:center;gap:12px;min-height:38px;flex-shrink:0;position:relative;z-index:2}.view h2{font-size:11px;letter-spacing:1px;font-weight:400;margin:0;white-space:nowrap;color:#7b877d}.view h2>span{font-size:10px;letter-spacing:0;margin-right:8px;color:#b1b8ae}.view-controls{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:11px;opacity:0;transition:opacity .16s}.view:hover .view-controls,.view:focus-within .view-controls{opacity:1}.view-controls select{font-size:11px;color:#7b877d;padding:5px}.icon-button{font-size:18px;padding:3px 6px}.view-expand{padding:4px;font-size:16px;opacity:0;transition:opacity .16s}.view:hover .view-expand,.view:focus-within .view-expand{opacity:1}.circulation-toggle input{accent-color:var(--green);width:12px;height:12px}.view-note{font-size:12px;color:var(--muted);line-height:1.8}
#volume-canvas{display:block;width:100%;flex:1;min-height:0;touch-action:none}#plans{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:repeat(2,minmax(0,1fr));gap:16px;padding-top:8px}.plan-panel{display:flex;flex-direction:column;min-width:0;min-height:0}.plan-panel h3{font-size:10px;font-weight:400;letter-spacing:1px;color:#949c92;margin:0 0 2px}.plan-svg{width:100%;height:100%;flex:1;min-height:0;display:block;font-family:"Microsoft YaHei",sans-serif}.plan-svg tspan{opacity:.65}.topology-svg{width:100%;height:100%;flex:1;min-height:0;display:block}.topology-settings{position:relative;display:block}.topology-settings>summary{cursor:pointer;list-style:none;padding:6px;color:#7b877d}.topology-settings>summary::-webkit-details-marker{display:none}.topology-settings[open]{opacity:1}.topology-options{position:absolute;right:0;top:30px;width:220px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px;box-shadow:0 8px 30px #263b3210;display:grid;gap:10px;color:#647268;font-size:11px}.topology-options label{display:flex;gap:7px;align-items:center}.topology-options input{accent-color:var(--green)}.topology-options p{line-height:1.7;font-size:10px;margin:0}.topology-svg>text{font-size:18px;fill:#949c92}.topology-svg>path:not(.topology-edge){opacity:0}.topology-edge{opacity:.7;transition:opacity .15s}.topology-edge[data-edge-type="adjacent"]{opacity:.35}.topology-edge[data-edge-type="vertical"]{opacity:.8}.topology-node text{opacity:.65;font-size:20px;stroke:var(--paper)}.has-selection .topology-edge{opacity:.12}.has-selection .topology-node:not(.space-selected):not(.node-related){opacity:.3}.topology-node:hover,.topology-node:focus,.topology-node.space-selected{opacity:1}.topology-node:hover text,.topology-node.space-selected text{opacity:1}.topology-edge.edge-selected{opacity:1}
.drawing-board.focus{grid-template-columns:minmax(0,1fr)}.drawing-board.focus .view-expand{display:none}.drawing-board.focus #plans{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:minmax(0,1fr);gap:60px;max-width:1100px;width:100%;align-self:center}.drawing-board.focus .topology-svg{max-width:850px;align-self:center}#forecast{flex-direction:row;justify-content:center;align-items:center;gap:20px}.forecast-panel{width:45%;text-align:center}.forecast-panel svg{width:100%;max-height:450px}.forecast-panel p{font-size:12px;color:var(--muted)}
.result-foot{height:26px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:8px}.result-foot p{font-size:11px;color:#69766c;margin:0}.legend{display:flex;gap:5px}.legend span{display:flex;padding:3px;cursor:help}.legend i{width:7px;height:7px;border-radius:50%}
.conversation{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);width:min(660px,calc(100% - 48px));background:var(--surface);border:1px solid #e3e5dc;border-radius:28px;box-shadow:0 8px 36px #263b320a;z-index:7;padding:6px 8px 6px 22px;transition:border-radius .16s}.conversation.is-open{width:min(840px,calc(100% - 48px));border-radius:16px;padding:14px 18px 8px}.conversation-head{display:none;align-items:center;gap:12px;font-size:11px;padding-bottom:8px}.is-open .conversation-head,.is-busy .conversation-head{display:flex}.is-busy:not(.is-open){border-radius:16px;padding-top:12px}.conversation-head>span:first-child{font-weight:500;white-space:nowrap}#dock-status{color:var(--muted);flex:1;font-size:10px}#conversation-toggle{font-size:11px;border:0;background:transparent;padding:5px;white-space:nowrap;color:#7b877d}.composer{display:flex;align-items:flex-end;gap:12px}.composer textarea{resize:none;width:100%;min-width:0;min-height:40px;height:40px;max-height:110px;border:0;outline:none;background:transparent;font-size:13px;line-height:1.6;padding:10px 0}.composer textarea::placeholder{color:#969e92}.composer button,.primary{background:var(--green);color:white;border-color:var(--green)}.composer button{flex-shrink:0;width:38px;height:38px;border-radius:50%;padding:0;font-size:20px;margin-bottom:1px}.composer button:hover:enabled{background:#365c47}
#conversation-body{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);max-height:min(52dvh,480px);overflow:auto;border-top:1px solid var(--line);margin:2px 0 8px}.messages{padding:14px 12px 14px 0;overflow:auto;min-height:0}.message{margin-bottom:18px;font-size:12px;line-height:1.8}.message p{margin:6px 0}.speaker{font-size:9px;letter-spacing:1px;color:var(--muted)}.message.user{background:#eff2eb;padding:10px 14px;border-radius:8px;margin-left:20px}.message.error{color:#a64c36}.muted{font-size:11px!important;color:var(--muted)}#design-process{padding:14px 0 14px 18px;border-left:1px solid var(--line);overflow:auto}#design-process h2{font-size:12px;font-weight:500;margin:0 0 12px}#organization-summary,#search-info{font-size:11px;line-height:1.8}#search-info summary{cursor:pointer;font-weight:500;margin-top:12px}#search-info p{margin:8px 0}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px;border-top:1px solid var(--line);margin-top:14px;padding-top:14px}.metric{font-size:10px;color:var(--muted)}.metric strong{display:block;font-size:17px;font-weight:400;color:var(--ink);margin-bottom:4px}
.condition-card{margin-top:10px;padding:12px;border:1px solid var(--line);border-radius:7px;background:#f5f7ef}.condition-card h3{font-size:14px;margin:0 0 10px}.condition-fields{display:grid;grid-template-columns:1fr 1fr;gap:9px}.condition-fields label{font-size:12px;color:var(--muted)}.condition-fields input,.condition-fields select{width:100%;margin-top:4px;border:1px solid var(--line);background:white;border-radius:4px;padding:7px;font-size:14px}.condition-card button{width:100%;margin-top:12px}.condition-card pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px}.condition-card summary{font-size:12px;cursor:pointer}.warning{font-size:12px;color:#96613e;background:#fff4e7;border-radius:4px;padding:9px}
dialog{border:1px solid var(--line);border-radius:12px;padding:24px;max-width:480px;max-height:85dvh;overflow:auto;width:calc(100% - 30px);background:var(--surface);color:var(--ink)}dialog::backdrop{background:#10241855}.dialog-head{display:flex;align-items:center;justify-content:space-between}.dialog-head h2{font-size:20px;font-weight:500}dialog p{font-size:13px;line-height:1.8}dialog label{display:block;font-size:13px;margin:16px 0}dialog input,dialog select{display:block;width:100%;padding:9px;margin-top:8px;border:1px solid var(--line);border-radius:4px;background:white}dialog .primary{width:100%;margin-top:8px}#area-info{max-width:700px}.area-table-wrap{overflow-x:auto}#area-info table{width:100%;border-collapse:collapse;font-size:12px;white-space:nowrap}#area-info th,#area-info td{padding:8px;text-align:left;border-bottom:1px solid var(--line)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
#plans svg,#topology svg{touch-action:none;user-select:none}#plans [data-space-id],.topology-node{cursor:pointer}.plan-svg rect.space-selected{stroke:#163e70;stroke-width:5;paint-order:stroke fill}.plan-svg text.space-selected{font-weight:600;fill:#163e70}.topology-node.space-selected circle,.topology-node.space-selected rect,.topology-node.space-selected path{stroke:#163e70;stroke-width:5}.topology-edge.edge-selected{stroke:#163e70;stroke-width:4}.topology-edge[hidden]{display:none}.topology-node:focus{outline:none}.topology-node:focus-visible circle,.topology-node:focus-visible rect,.topology-node:focus-visible path{stroke:#163e70;stroke-width:5}


.local-service-link{display:block;margin:10px 0;color:var(--green);text-decoration:underline;text-underline-offset:3px}
@media(hover:none){.view-controls,.view-expand{opacity:1}}
@media(min-width:1700px){.topbar{padding:0 48px}.workspace{padding-left:48px;padding-right:48px}.drawing-board{gap:48px;grid-template-columns:minmax(0,1.8fr) minmax(0,1fr) minmax(0,1fr)}}
@media(max-width:1150px){.topbar{padding:0 22px;gap:16px}.workspace{padding-left:22px;padding-right:22px}.drawing-board{gap:20px;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr)}.toolbar-actions{gap:12px}.project-heading h1{font-size:11px}.view-head{gap:6px}}
@media(max-width:850px){.topbar{height:68px;padding:0 22px;gap:12px}.brand{font-size:19px}.project-heading{display:none}.toolbar-actions{gap:10px}.workspace{height:auto;min-height:calc(100dvh - 68px);padding-bottom:100px}.result{min-height:65dvh}.drawing-board{grid-template-columns:1fr 1fr;gap:24px}.view:first-child{grid-column:1/-1;height:400px}.view:nth-child(2),.view:nth-child(3){height:650px}.drawing-board.focus{display:block}.drawing-board.focus .view{height:650px}.conversation{position:fixed;bottom:18px;width:min(660px,calc(100% - 36px))}.conversation.is-open{width:calc(100% - 36px)}.result-foot{margin-top:16px}.view-controls,.view-expand{opacity:1}}
@media(max-width:560px){.topbar{height:62px;padding:0 16px}.brand{font-size:17px}.brand-dot{display:none}.toolbar-actions{gap:7px}.tabs{gap:0;padding:2px}.tabs button{width:29px;height:30px;padding:6px}.tabs svg{width:17px;height:17px}#alternatives{max-width:78px;font-size:10px;padding:4px}.tools-menu>summary{padding:8px 0}.workspace{padding-left:20px;padding-right:20px;min-height:calc(100dvh - 62px)}.drawing-board{display:flex;flex-direction:column;gap:28px;padding-top:16px}.view:first-child{height:340px;flex:none}.view:nth-child(2){height:760px;flex:none}.view:nth-child(3){height:620px;flex:none}.drawing-board.focus .view{height:760px}.drawing-board.focus #volume{height:460px}.drawing-board.focus #plans{grid-template-columns:1fr;grid-template-rows:repeat(2,minmax(0,1fr));gap:16px}.conversation{bottom:max(12px,env(safe-area-inset-bottom));width:calc(100% - 28px);padding-left:18px}.conversation.is-open{width:calc(100% - 28px);padding:12px 14px 6px}#conversation-body{grid-template-columns:1fr;max-height:55dvh}.messages,#design-process{overflow:visible}#design-process{border-left:0;border-top:1px solid var(--line);padding:14px 0}#dock-status{font-size:9px;min-width:0}.conversation-head{gap:6px}.empty{min-height:65dvh;padding:30px 8px;gap:12px}.empty h2{font-size:23px}.empty p{font-size:12px}.eyebrow{font-size:8px}.examples{flex-direction:column;gap:8px}.result-foot p{font-size:10px}.result-foot{height:auto;min-height:26px;flex-wrap:wrap}.topology-options{width:210px}}

@media(max-width:380px){.topbar{padding:0 12px;gap:8px}.brand{font-size:15px}.toolbar-actions{gap:4px}.tabs button{width:26px;height:29px}#alternatives{max-width:58px}.tools-menu>summary{letter-spacing:2px}}

.topology-svg:not(.access-hidden) [data-overlap-access]{display:none}.topology-node .topology-hit{stroke:none!important}.topology-node.node-related{opacity:.85}.topology-node.node-related text{opacity:.9}.topology-edge[data-backbone="true"]{opacity:.9}.has-selection .topology-edge[data-backbone="true"]{opacity:.12}.has-selection .topology-edge.edge-selected{opacity:1}