:root{--drawing:#f6f8fa;--paper:#fff;--graphite:#202a39;--steel:#748196;--edge:#e4e9ef;--tool:#2563eb;--tool-wash:#edf3ff;--caution:#b77915;--caution-wash:#fff7e6;--verified:#258369;--rail:#17263c;font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--graphite);font-size:13px}*{box-sizing:border-box}body{margin:0;background:var(--drawing)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--tool);outline-offset:3px}button{border:1px solid var(--edge);border-radius:6px;background:white;color:var(--graphite);padding:8px 12px;display:inline-flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap}button:hover{background:#f5f7fa;border-color:#c8d3e2}.primary{background:var(--tool);color:white;border-color:var(--tool)}.primary:hover{background:#1d4ed8;border-color:#1d4ed8}.text-button{background:none;border-color:transparent;color:var(--steel);padding:6px}.text-button:hover{color:var(--tool)}.icon{width:18px;height:18px;display:inline-block;flex-shrink:0;vertical-align:middle}.small-icon{width:14px;height:14px}.mono{font-family:"SFMono-Regular",Consolas,monospace;font-size:11px;letter-spacing:.15px}.muted{color:var(--steel)}.blue{color:var(--tool)}.badge{font-size:10px;display:inline-flex;align-items:center;gap:4px;padding:3px 6px;border-radius:4px;white-space:nowrap;background:#f0f3f6;color:#6a788d}.badge.blue{background:var(--tool-wash);color:var(--tool)}.badge.amber{background:var(--caution-wash);color:var(--caution)}.badge.green{background:#eaf6f1;color:var(--verified)}.dot{height:6px;width:6px;border-radius:50%;background:currentColor;display:inline-block}#app{height:100vh;min-height:660px;display:grid;grid-template-columns:60px minmax(0,1fr);grid-template-rows:60px 76px minmax(0,1fr) 29px}.rail{grid-row:1/5;background:var(--rail);display:flex;align-items:center;flex-direction:column;gap:15px;padding:17px 8px;color:#adc0d8}.rail-logo{color:white;margin-bottom:20px}.rail button{background:none;border:0;color:#a5b7cf;width:42px;height:42px;padding:10px;border-radius:8px}.rail button:hover,.rail button.active{background:#2b4160;color:#fff}.rail-bottom{margin-top:auto}.avatar{width:30px;height:30px;background:#dce8fb;color:#314869;display:grid;place-items:center;border-radius:50%;font-size:11px;font-weight:600}.header{background:var(--paper);border-bottom:1px solid var(--edge);display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:15px}.brand{display:flex;align-items:center;gap:14px}.brand strong{font-size:19px;letter-spacing:2px}.brand .separator{height:19px;border-left:1px solid var(--edge)}.top-actions{display:flex;gap:16px;align-items:center}.saved{font-size:11px;color:var(--verified);display:flex;gap:5px;align-items:center}.project-bar{background:white;border-bottom:1px solid var(--edge);padding:13px 24px;display:flex;align-items:center;justify-content:space-between;gap:15px}.project-heading{display:flex;align-items:center;gap:12px;min-width:0}.product-symbol{width:42px;height:42px;display:grid;place-items:center;border:1px solid #dde6f3;background:#f8faff;border-radius:8px;color:var(--tool)}.product-title{display:flex;align-items:center;gap:8px;margin-bottom:5px}.product-title select{border:0;font-size:17px;font-weight:650;max-width:320px;color:var(--graphite);background:transparent;padding-right:12px;cursor:pointer}.subline{font-size:11px;color:var(--steel)}.project-actions{display:flex;gap:9px}.workspace{min-height:0;display:grid;grid-template-columns:242px minmax(300px,1fr) 302px}.library,.inspector{background:white;min-height:0;overflow:auto}.library{border-right:1px solid var(--edge);display:flex;flex-direction:column}.panel-heading{display:flex;justify-content:space-between;align-items:center;padding:20px 18px 12px}.panel-heading h2{font-size:13px;margin:0;font-weight:650}.count{font-size:11px;color:var(--steel)}.search{position:relative;margin:0 14px 12px}.search .icon{position:absolute;left:10px;top:10px;color:#94a0b1;width:15px;height:15px}.search input{width:100%;border:1px solid var(--edge);border-radius:6px;padding:9px 9px 9px 32px;background:#fafbfd;color:var(--graphite);font-size:12px}.filter-tabs{display:flex;margin:0 14px 14px;padding:3px;background:#f1f4f7;border-radius:6px;gap:3px}.filter-tabs button{flex:1;border:0;background:none;font-size:11px;padding:6px}.filter-tabs button.active{background:white;color:var(--tool);box-shadow:0 1px 3px #1f2e4610}.library-list{overflow:auto;min-height:0;flex:1;padding:0 10px}.lib-group-name{font-size:10px;color:#8894a4;font-weight:600;margin:12px 7px 7px;display:flex;justify-content:space-between}.lib-item{display:flex;align-items:center;gap:9px;padding:9px 7px;border:1px solid transparent;border-radius:6px;cursor:grab;min-height:59px}.lib-item:hover{background:#f6f8fb}.lib-item.selected{background:var(--tool-wash);border-color:#cfdefc}.part-glyph{width:34px;height:34px;border:1px solid var(--edge);background:#fff;border-radius:5px;display:grid;place-items:center;color:#7c8da2;flex-shrink:0}.part-glyph svg{width:27px;height:27px}.lib-text{min-width:0;flex:1}.lib-text strong{font-size:11px;font-weight:550;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:5px}.lib-text small{font-size:10px;color:#8190a3;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lib-add{border:0;background:transparent;padding:2px;color:#8393a8;opacity:0;width:21px;height:24px}.lib-item:hover .lib-add,.lib-add:focus{opacity:1}.library-foot{border-top:1px solid var(--edge);padding:13px 15px;font-size:10px;line-height:1.8;color:#91a0b2}.main{display:flex;flex-direction:column;min-width:0;min-height:0}.viewbar{height:49px;display:flex;align-items:center;justify-content:space-between;background:#fcfdfe;border-bottom:1px solid var(--edge);padding:0 16px;flex-shrink:0}.view-tabs{display:flex;gap:20px;height:100%;align-items:stretch}.view-tabs button{border:0;border-radius:0;background:none;padding:0 2px;font-size:12px;color:#8190a2;position:relative}.view-tabs button.active{color:var(--tool);font-weight:600}.view-tabs button.active:after{content:'';position:absolute;bottom:0;left:0;right:0;background:var(--tool);height:2px}.viewbar-note{font-size:10px;color:#96a1b1}.canvas-shell{position:relative;min-height:0;flex:1;overflow:hidden;background-color:#f7f9fc;background-image:radial-gradient(#d3dce8 .75px,transparent .75px);background-size:18px 18px}.canvas-topnote{position:absolute;top:18px;left:20px;z-index:2;display:flex;gap:7px;align-items:center;font-size:10px;color:#8c99ac;pointer-events:none}.canvas-viewport{height:100%;width:100%;overflow:auto;position:relative}.canvas-spacer{position:relative;min-width:100%;min-height:100%}.world{width:930px;height:1010px;transform-origin:0 0;position:absolute;top:0;left:0}.wires{position:absolute;top:0;left:0;pointer-events:none;overflow:visible}.wire{stroke:#c3cfdf;stroke-width:1.3;fill:none}.wire.active{stroke:#759eee;stroke-width:1.7}.root-card{position:absolute;left:329px;top:72px;width:256px;border:1px solid #b8cef4;background:#fff;border-radius:9px;padding:16px;display:flex;align-items:center;gap:12px}.root-card strong{font-size:15px;display:block;margin-bottom:7px}.root-card small{font-size:10px;color:#8491a4}.root-graphic{width:62px;height:43px;color:#506b90}.group-card{position:absolute;width:240px;background:white;border:1px solid #dbe3ee;border-radius:8px;overflow:hidden;user-select:none;transition:border-color .15s}.group-card.selected{border-color:#88b0ff;box-shadow:0 0 0 3px #2563eb08}.group-card.dragging{box-shadow:0 5px 18px #1c355518;z-index:10}.group-card.drop-target{border:2px dashed var(--tool);background:#f0f5ff}.group-header{padding:12px 13px;display:flex;justify-content:space-between;align-items:center;cursor:grab;background:#fbfcfe;border-bottom:1px solid #edf0f5;touch-action:none}.group-header:active{cursor:grabbing}.group-name{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:650}.group-name .icon{color:#8ea2bd;width:16px;height:16px}.group-header .text-button{padding:2px}.group-meta{font-size:9px;color:#94a0b0;padding:9px 13px 6px;display:flex;justify-content:space-between}.node-entry{width:100%;display:flex;align-items:center;border:0;border-radius:0;padding:8px 13px;text-align:left;gap:7px;font-size:11px;background:white}.node-entry span.name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.node-entry .tiny-dot{width:5px;height:5px;background:#b9c7d9;border-radius:50%}.node-entry.selected{background:#eff5ff;color:var(--tool)}.node-entry.selected .tiny-dot{background:var(--tool)}.node-entry .mono{font-size:9px;color:#99a5b5}.node-entry .q{font-size:10px;color:#8192a7}.group-more{padding:8px 13px 11px;font-size:9px;color:#91a0b2;cursor:pointer;border:0;width:100%;justify-content:flex-start;background:#fff;border-radius:0}.group-more:hover{color:var(--tool)}.canvas-controls{position:absolute;bottom:21px;left:21px;display:flex;align-items:center;gap:3px;border:1px solid var(--edge);border-radius:7px;background:white;padding:4px;z-index:3}.canvas-controls button{border:0;padding:6px;width:30px;height:28px}.canvas-controls span{font-size:10px;width:43px;text-align:center;color:#7b8799}.canvas-legend{position:absolute;right:20px;bottom:23px;font-size:10px;color:#7f8da1;background:#ffffffde;border:1px solid var(--edge);padding:9px 12px;border-radius:6px;display:flex;gap:12px;pointer-events:none}.legend-line{display:inline-block;width:16px;border-top:1px solid #9fb5d1;margin-right:5px;vertical-align:middle}.inspector{border-left:1px solid var(--edge)}.inspector-head{padding:18px;border-bottom:1px solid var(--edge);display:flex;align-items:center;justify-content:space-between}.inspector-head strong{font-size:12px}.inspector-hero{padding:20px 18px 17px}.part-preview{height:106px;background:#f8fafc;border:1px solid #edf1f6;border-radius:7px;display:flex;align-items:center;justify-content:center;position:relative;margin-bottom:17px}.part-preview svg{height:64px;width:134px;stroke:#728baa}.part-preview small{position:absolute;bottom:7px;right:8px;font-size:9px;color:#a5b0bf}.inspector-hero h2{font-size:18px;margin:0 0 7px;letter-spacing:.2px}.inspector-hero .identity{display:flex;gap:7px;align-items:center;color:#8d9aad}.section{padding:17px 18px;border-top:1px solid var(--edge)}.section-title{font-size:11px;color:#61738b;font-weight:600;display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}.property{display:flex;justify-content:space-between;gap:12px;font-size:11px;line-height:1.7;margin:10px 0}.property label{color:#8b98a9;flex-shrink:0}.property span{text-align:right;word-break:break-word}.spec-text{font-family:"SFMono-Regular",Consolas,monospace;font-size:12px}.full{width:100%}.inspector .primary{font-size:12px}.usage-row{padding:10px;border:1px solid var(--edge);border-radius:6px;margin-top:7px;font-size:11px;cursor:pointer}.usage-row:hover{border-color:#a4bff0}.usage-row .path{color:#8c98a9;line-height:1.8;font-size:10px;margin-top:5px}.note{font-size:10px;line-height:1.9;color:#8491a4}.warning{padding:10px 12px;background:var(--caution-wash);border-radius:5px;color:#a47322;font-size:10px;line-height:1.8;margin-top:12px}.file-item{border:1px dashed #d8e1ec;padding:11px;border-radius:6px;font-size:10px;color:#96a3b5;line-height:1.9}.qty-input{width:60px;border:1px solid var(--edge);padding:4px;border-radius:4px;text-align:center}.inspector-action-row{display:flex;gap:6px;margin-top:12px}.inspector-action-row button{font-size:10px;flex:1;padding:7px 5px}.danger{color:#be5757}.statusbar{grid-column:2;border-top:1px solid var(--edge);background:white;display:flex;align-items:center;justify-content:space-between;padding:0 17px;font-size:9px;color:#8b98a9}.statusbar span{display:flex;align-items:center;gap:6px}.content-scroll{flex:1;min-height:0;overflow:auto;padding:26px;background:#f8fafc}.page-title{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:22px;gap:15px}.page-title h2{margin:0 0 9px;font-size:22px;font-weight:650}.page-title p{font-size:11px;color:#8390a3;margin:0;line-height:1.8}.table-wrap{background:white;border:1px solid var(--edge);border-radius:8px;overflow:auto}table{border-collapse:collapse;width:100%;font-size:11px;white-space:nowrap}th{text-align:left;font-size:10px;color:#8391a4;background:#fafbfd;font-weight:500;padding:12px;border-bottom:1px solid var(--edge)}td{padding:12px;border-bottom:1px solid #edf1f5}tr:last-child td{border:0}tbody tr:hover{background:#f4f8ff;cursor:pointer}.table-group{background:#f4f6f9!important;font-size:10px;color:#6a7f99;font-weight:600}.empty{padding:50px 20px;text-align:center;color:#8c9aad}.empty .icon{width:34px;height:34px;margin-bottom:10px}.empty h3{font-size:16px;color:#455c78}.empty p{font-size:12px;line-height:1.8;margin-bottom:20px}.change-card{background:#fff;border:1px solid var(--edge);border-radius:8px;margin-bottom:17px;overflow:hidden}.change-card-head{padding:18px 20px;border-bottom:1px solid var(--edge);display:flex;justify-content:space-between;align-items:center}.change-card h3{margin:0 0 5px;font-size:14px}.change-card-head small{color:#98a4b3;font-size:10px}.change-diff{padding:15px 20px;background:#fcfdfe;display:flex;gap:18px;align-items:center;font-size:12px}.old-spec{color:#8491a2;text-decoration:line-through}.new-spec{color:var(--tool)}.change-reason{padding:0 20px 15px;font-size:11px;color:#7a899d}.impact-item{margin:0 20px 12px;border:1px solid var(--edge);border-radius:6px;padding:14px}.impact-top{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px}.impact-path{font-size:10px;color:#8395ab;line-height:1.8;margin:9px 0;word-break:break-word}.impact-form{display:grid;grid-template-columns:115px 1fr auto;gap:6px}.impact-form select,.impact-form input{min-width:0;border:1px solid var(--edge);padding:8px;border-radius:5px;background:white;font-size:11px}.impact-form button{font-size:11px}.change-footer{padding:15px 20px;display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid var(--edge);font-size:10px;color:#8a98ab}.change-footer button{font-size:11px}.intro-note{padding:13px 15px;background:#eef4ff;border:1px solid #dce7fc;border-radius:6px;font-size:11px;line-height:1.9;color:#587398;margin-bottom:18px}.history-row{padding:18px;border:1px solid var(--edge);border-radius:8px;background:white;margin-bottom:13px}.history-row h3{font-size:13px;margin:0 0 10px}.history-row p{font-size:11px;color:#8290a2;line-height:1.9;margin:8px 0}.history-row button{font-size:11px}.modal-backdrop{position:fixed;inset:0;background:#14233c55;backdrop-filter:blur(3px);z-index:50;display:flex;align-items:center;justify-content:center;padding:30px}.modal{width:530px;max-height:90vh;overflow:auto;background:white;border-radius:12px;box-shadow:0 15px 60px #11264620}.modal.wide{width:820px}.modal-header{padding:23px 25px 17px;display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--edge)}.modal-header h2{font-size:19px;margin:0 0 7px}.modal-header p{color:#8a97a9;font-size:11px;margin:0}.modal-body{padding:22px 25px}.field{margin-bottom:18px}.field label{font-size:12px;display:block;margin-bottom:9px;font-weight:500}.field input,.field textarea,.field select{width:100%;padding:11px 12px;border:1px solid #dce3ed;border-radius:6px;color:var(--graphite);background:#fff}.field textarea{resize:vertical;min-height:75px}.field small{display:block;color:#8c99ac;font-size:10px;margin-top:7px;line-height:1.8}.modal-footer{padding:17px 25px;border-top:1px solid var(--edge);display:flex;gap:9px;justify-content:flex-end}.impact-preview{padding:12px;background:#f5f8fc;border-radius:6px;margin-bottom:18px;font-size:11px;color:#65809f;line-height:1.9}.form-error{color:#c45353;font-size:12px;margin-top:8px;min-height:15px}#toast{position:fixed;bottom:48px;left:50%;transform:translateX(-50%) translateY(20px);background:#203550;color:white;padding:11px 18px;border-radius:7px;font-size:12px;opacity:0;pointer-events:none;z-index:100;transition:.2s;max-width:80vw}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.source-grid{display:grid;grid-template-columns:110px 1fr;gap:12px;font-size:12px;line-height:1.8}.source-grid dt{color:#8b98aa}.source-grid dd{margin:0;word-break:break-all}.selection-tip{padding:12px 16px;border-bottom:1px solid var(--edge);font-size:10px;color:#8293aa;background:#fff}.zero-result{padding:24px 10px;color:#8c98aa;text-align:center;font-size:11px}@media(min-width:1650px){.workspace{grid-template-columns:262px minmax(300px,1fr) 322px}}@media(max-width:1150px){.workspace{grid-template-columns:205px minmax(280px,1fr) 264px}.header,.project-bar{padding-left:16px;padding-right:16px}.top-actions .saved,.viewbar-note{display:none}.brand .subline{display:none}.project-actions button{font-size:11px;padding:8px}.impact-form{grid-template-columns:1fr}.canvas-legend{display:none}}@media(max-width:850px){#app{min-width:820px}.workspace{grid-template-columns:185px minmax(280px,1fr) 240px}.project-title select{max-width:180px}.project-actions button span{display:none}.top-actions{gap:7px}.statusbar span:last-child{display:none}}
.design-file{margin-top:8px;border:1px solid var(--edge);border-radius:7px;overflow:hidden;background:#fff}.design-file:hover{border-color:#b7cdf1}.file-open{border:0;border-radius:0;width:100%;justify-content:flex-start;padding:11px 10px;gap:8px;text-align:left;white-space:normal}.file-open>.icon{color:var(--tool)}.file-open>span{flex:1;min-width:0}.file-open strong{font-size:11px;font-weight:550;display:block;overflow-wrap:anywhere;line-height:1.6;color:var(--tool)}.file-open small{font-size:9px;color:var(--steel);display:block;margin-top:4px}.file-tools{display:flex;justify-content:space-between;padding:0 6px 4px}.file-tools button{font-size:9px}.design-file.missing{border-color:#edcb9c}.design-file.missing small{color:var(--caution)}.source-file-list{border:1px solid var(--edge);border-radius:6px;padding:10px;max-height:220px;overflow:auto}.source-file-choice{border:0;display:flex;width:100%;gap:8px;font-size:11px;padding:10px 4px;white-space:normal;text-align:left}.source-file-choice>span:first-of-type{flex:1;overflow-wrap:anywhere}

.module-editor-row{display:grid;grid-template-columns:20px minmax(180px,1fr) 72px 80px 60px;gap:8px;align-items:center;margin:10px 0}.module-editor-row select,.module-editor-row input{min-width:0;width:100%;padding:9px;border:1px solid var(--border,#dce4ef);border-radius:6px}.module-editor-row input{box-sizing:border-box}.group-card [data-module-group]{color:#245bd5;text-align:center}.qty-input:disabled{background:#edf2fa;color:#61718b}.view-tabs button{white-space:nowrap}