:root{font-family:Segoe UI,Arial,sans-serif;color:#243845;background:#f7f9fa;font-synthesis:none;--ink: #173d53;--muted: #70818c;--line: #dce4e9;--accent: #edb66c;--paper: #fff}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.46}button,a{touch-action:manipulation}a{color:var(--ink)}button{border:0;background:none;color:inherit}button svg,a svg{flex-shrink:0}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #d6a255;outline-offset:3px}input:focus,textarea:focus,select:focus{outline:2px solid #7296ad;outline-offset:2px}h1,h2,h3{font-family:Bahnschrift,Segoe UI,Arial,sans-serif;font-weight:600;letter-spacing:-.035em;margin:0}p{line-height:1.65;margin:0}svg{vertical-align:middle}button{display:inline-flex;align-items:center;justify-content:center;gap:9px}a.primary{display:inline-flex;text-decoration:none;align-items:center;justify-content:center;gap:9px}.primary,.secondary{padding:12px 18px;border-radius:7px;font-weight:600;font-size:14px;min-height:44px}.primary{background:var(--ink);color:#fff}.primary:hover{background:#245773}.secondary{background:#edf2f5;border:1px solid #cfdce4;color:var(--ink)}.secondary:hover{background:#e0eaf0}.text-button{font-size:13px;text-decoration:underline;text-underline-offset:4px;padding:8px 0}.spin{animation:spin 1.4s linear infinite}.spinner{width:23px;height:23px;border:2px solid #c5d5df;border-top-color:var(--ink);border-radius:50%;display:inline-block;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-text{color:#9c3830!important;font-size:14px}.error-banner,.global-error{background:#fbece9;color:#8c352c;border:1px solid #eccbc5;border-radius:6px;padding:13px 16px;font-size:14px}.global-error{margin:12px 28px;display:flex;justify-content:space-between;gap:20px}.global-error button{padding:0}.boot{height:100vh;display:flex;align-items:center;justify-content:center;gap:24px}.boot svg{width:42px}.login-page{min-height:100dvh;display:grid;grid-template-columns:1.1fr 1fr}.login-art{background:#173d53;color:#eaf1f5;padding:44px 64px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;min-height:720px}.login-brand{display:flex;align-items:center;gap:13px;font-family:Bahnschrift,Segoe UI,sans-serif;font-size:26px}.login-brand svg{width:36px}.login-art h1{font-size:clamp(40px,4.3vw,67px);line-height:1.05;margin-bottom:24px;font-weight:500;letter-spacing:-.055em}.login-art p{color:#bad0dd;font-size:17px}.wire-part{position:relative;width:105%;max-width:650px;margin:-30px -40px -40px 0;color:#7c9fb4;align-self:center}.wire-part svg{width:100%;height:auto}.cad-guides{opacity:.35}.cad-animation-toggle{position:absolute;bottom:12px;right:42px;width:32px;height:32px;display:grid;place-items:center;border:1px solid #7c9fb440;border-radius:50%;background:transparent;color:#a9c7d8;cursor:pointer}.cad-animation-toggle:hover{background:#ffffff0d;color:#eaf1f5}.cad-animation-toggle svg{width:14px;height:14px}.login-form-wrap{display:flex;align-items:center;justify-content:center;padding:36px}.login-form{max-width:355px;width:100%;display:flex;flex-direction:column;align-items:flex-start;gap:18px}.login-form>svg{color:#628094;margin-bottom:8px}.login-form h2{font-size:32px}.login-form>p{color:var(--muted);font-size:15px}.login-form label{font-size:14px;font-weight:600;margin-top:20px;margin-bottom:-9px}.login-form input{width:100%;padding:13px;border:1px solid #c5d3dc;border-radius:6px;background:#fff}.login-form .primary{width:100%;margin-top:3px}.login-note{font-size:12px;color:#82929c;margin-top:30px}.app{min-height:100dvh;display:grid;grid-template-columns:240px minmax(0,1fr)}.sidebar{background:#eef3f6;border-right:1px solid #d4e0e7;display:flex;flex-direction:column;position:sticky;top:0;height:100dvh;padding:28px 16px 17px}.brand{justify-content:flex-start;padding:0 8px;gap:10px;text-align:left}.brand>svg{width:35px;color:var(--ink)}.brand>span{font-family:Bahnschrift,Segoe UI,sans-serif;font-weight:600;font-size:24px;letter-spacing:-.04em;line-height:1.15}.brand small{font-family:Segoe UI,sans-serif;display:block;font-size:11px;font-weight:400;color:#7a8c98;letter-spacing:0;margin-top:4px}.new-project{border:1px solid #c5d6e0;border-radius:7px;padding:11px;background:#fff;justify-content:flex-start;font-size:13px;font-weight:600;margin-top:38px;margin-bottom:32px}.new-project:hover{border-color:#7296ad}.project-list-label{display:flex;justify-content:space-between;padding:0 8px;font-size:12px;color:#7b8d99}.project-list-label>span{color:#4f6c7d}.project-list{overflow-y:auto;flex:1;margin-top:14px}.project-item{width:100%;padding:12px 10px;justify-content:flex-start;text-align:left;border-radius:6px;gap:10px;margin-bottom:5px;position:relative}.project-item>svg{color:#7c94a3;flex-shrink:0}.project-item>span{min-width:0;flex:1}.project-item strong{font-size:13px;font-weight:600;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.project-item small{display:flex;justify-content:space-between;gap:6px;font-size:10px;color:#7d8e99;margin-top:5px}.project-item.active{background:#dce7ee;color:#173d53}.project-item:hover{background:#e3ecf2}.rail-empty{font-size:13px;color:#8a9ba5;padding:18px 8px}.project-row{position:relative;margin-bottom:5px}.project-row .project-item{margin-bottom:0}.project-delete{position:absolute;top:50%;right:6px;transform:translateY(-50%);display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:5px;color:#7c94a3;background:#e3ecf2;opacity:0}.project-row:hover .project-delete,.project-delete:focus-visible{opacity:1}.project-delete:hover{color:#9c3830;background:#f3dcd8}@media(hover:none){.project-delete{opacity:1;background:transparent}.project-row .project-item{padding-right:34px}}.project-row.confirm{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:10px;border-radius:6px;background:#fbece9;border:1px solid #eccbc5;font-size:12px;color:#8c352c}.project-row.confirm>span{flex-basis:100%;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.project-row.confirm button{padding:5px 9px;border-radius:5px;font-size:12px;font-weight:600;border:1px solid #e1b9b2;background:#fff}.project-row.confirm .confirm-yes{background:#9c3830;border-color:#9c3830;color:#fff}.sidebar-bottom{padding-top:20px;border-top:1px solid #d3e0e7}.sidebar-bottom button{width:100%;justify-content:flex-start;padding:10px 8px;font-size:12px;gap:10px}.sidebar-bottom button>span{flex:1;text-align:left}.sidebar-bottom>span{display:block;color:#8c9ba5;font-size:10px;padding:15px 8px 0}.connection{width:7px;height:7px;border-radius:50%;background:#b8c4cb}.connection.on{background:#54876e}.workspace{min-width:0;display:flex;flex-direction:column}.topbar{min-height:102px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:23px 32px 18px;background:#fff;border-bottom:1px solid var(--line)}.breadcrumb{display:block;font-size:11px;color:#8b9ba5;margin-bottom:7px}.breadcrumb>span{color:#688091}.topbar h1{font-size:25px;line-height:1.15}.topbar-actions{display:flex;align-items:center;gap:15px;flex-shrink:0}.mobile-settings{display:none}.status-pill{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;background:#eef4f0;color:#537562;font-size:11px;border-radius:5px;white-space:nowrap}.status-pill.working{background:#f9f0e1;color:#92652d}.status-dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}.start-workspace{width:100%;max-width:1040px;margin:auto;padding:50px 65px 35px;flex:1;display:flex;flex-direction:column;justify-content:center}.intro h2{font-size:34px;margin-bottom:13px}.intro>p{font-size:15px;max-width:600px;color:#748590}.dropzone{margin-top:30px;min-height:264px;border:1.5px dashed #b6cbd8;background:#edf3f7;border-radius:10px;display:flex;flex-direction:column;gap:11px;transition:background .15s,border-color .15s}.dropzone:hover,.dropzone.dragging{background:#e2edf3;border-color:#47738d}.dropzone .paper-icon{position:relative;margin-bottom:6px;color:#7296ad}.paper-icon>span{position:absolute;bottom:-3px;right:-9px;background:var(--ink);color:#fff;display:grid;place-items:center;width:25px;height:25px;border-radius:50%;border:3px solid #edf3f7}.dropzone strong{font-size:19px;font-weight:600;color:#284e64}.dropzone>span{font-size:13px;color:#668294}.dropzone u{text-underline-offset:3px}.dropzone small{font-size:11px;color:#8ca0ac;margin-top:10px}.workflow-explain{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:38px}.workflow-explain svg{width:21px;color:#7296ad;margin-bottom:12px}.workflow-explain h3{font-size:16px;letter-spacing:-.02em;margin-bottom:6px}.workflow-explain p{font-size:12px;color:#84949e}.scope-note{font-size:11px;color:#92a0a9;margin-top:34px;max-width:730px}.workflow-bar{display:flex;align-items:center;gap:30px;padding:16px 30px;border-bottom:1px solid var(--line);background:#fff;font-size:12px;color:#8a9ba6;min-height:64px}.workflow-bar>div{display:flex;align-items:center;gap:8px;white-space:nowrap}.workflow-bar>div>span{border:1px solid #d2dfe7;border-radius:50%;width:21px;height:21px;display:grid;place-items:center;font-size:10px}.workflow-bar .complete{color:#637f90}.workflow-bar .complete>span{background:#e6eef3;border:0;color:#517285}.workflow-bar .current{color:var(--ink);font-weight:600}.workflow-bar .current>span{background:var(--ink);color:#fff;border-color:var(--ink)}.revision-select{margin-left:auto;display:flex;align-items:center;gap:5px}.revision-select select{border:0;background:transparent;font-size:11px;color:#577286;max-width:170px;padding:4px}.work-panels{display:grid;grid-template-columns:minmax(300px,1fr) 390px;flex:1;min-height:calc(100dvh - 167px)}.drawing-panel{min-width:0;display:flex;flex-direction:column;position:sticky;top:0;height:calc(100dvh - 167px);min-height:480px;padding:20px 22px 16px;background:#f2f6f8}.drawing-tabs{display:flex;align-items:center;gap:2px;min-height:43px;flex-shrink:0}.drawing-tabs>button{padding:10px 13px;font-size:12px;color:#8295a2;border-radius:6px 6px 0 0;gap:7px}.drawing-tabs>button.active{background:#fff;color:#254d65;font-weight:600;box-shadow:0 -1px #e1e8ed}.concept-label{margin-left:auto;font-size:10px;background:#f7eddb;color:#9b7137;padding:4px 7px;border-radius:4px}.drawing-content{flex:1;min-height:0;border:1px solid #dce5eb;border-radius:0 7px 7px;overflow:hidden;background:#fff;display:flex}.source-view{display:flex;flex-direction:column;flex:1;min-width:0;min-height:0}.source-toolbar{display:flex;align-items:center;padding:9px 10px;gap:9px;border-bottom:1px solid #e2e9ed;color:#8195a3;min-height:42px}.source-toolbar>span{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:50%}.source-toolbar>button{padding:3px}.source-toolbar>a{color:#7b939f;padding:3px}.toolbar-spacer{flex:1}.paper-scroll{flex:1;overflow:auto;background:#e9eff3;padding:19px;min-height:0}.paper{position:relative;min-width:200px;margin:auto;background:#fff;box-shadow:0 2px 10px #1d41521a;line-height:0}.paper img{width:100%;display:block}.source-focus{position:absolute;border:2px solid #c98a36;background:#edb66c22;pointer-events:none;box-shadow:0 0 0 3px #edb66c33}.source-footer{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#8a9da9;padding:6px 12px;gap:8px}.source-footer>div{display:flex;align-items:center;gap:7px}.source-footer button{padding:4px}.viewer{position:relative;flex:1;min-width:0;min-height:320px;background:#e5edf2}.canvas-host{position:absolute;inset:0}.canvas-host canvas{display:block;touch-action:none}.view-tools{position:absolute;top:13px;right:13px;display:flex;flex-direction:column;gap:4px;padding:4px;background:#ffffffd9;border:1px solid #cfdee7;border-radius:7px}.view-tools button{padding:9px;color:#627f92;border-radius:4px}.view-tools button.active,.view-tools button:hover{background:#e1ebf2;color:#173d53}.viewer-hint{position:absolute;bottom:13px;left:15px;font-size:10px;color:#6d8798;pointer-events:none;display:flex;gap:15px}.axis-key{position:absolute;bottom:13px;right:15px;display:flex;align-items:center;gap:5px;font-size:9px;color:#748c9c}.axis-key i{width:5px;height:5px;border-radius:50%;background:#b58079}.axis-key i:nth-of-type(2){background:#7f9d88;margin-left:4px}.axis-key i:nth-of-type(3){background:#7c9db5;margin-left:4px}.viewer-message{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:12px;font-size:13px;padding:40px;text-align:center;pointer-events:none}.flat-view{flex:1;display:flex;flex-direction:column;min-width:0;background:#f7f9fa}.flat-view>img{width:100%;flex:1;min-height:0;object-fit:contain;padding:20px}.flat-caption{display:flex;align-items:center;justify-content:center;gap:20px;font-size:10px;padding:13px;color:#7c909d}.flat-caption span{display:flex;align-items:center;gap:5px}.flat-caption i{display:inline-block;width:13px;height:2px;background:#234b61}.flat-caption span:nth-child(2) i{background:#ce852b}.model-footer{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:14px;flex-shrink:0}.model-footer>span{font-size:11px;color:#4e7187}.model-footer small{font-size:9px;display:block;color:#91a3ae;margin-top:4px}.download-button{font-size:12px;min-height:40px;padding:10px 14px}.detail-panel{border-left:1px solid var(--line);background:#fff;min-width:0}.questions-form,.result-panel,.problem-panel{padding:26px 25px}.panel-heading{display:flex;align-items:flex-start;gap:12px;margin-bottom:20px}.heading-icon{background:#edf3f6;color:#5b829a;padding:10px;border-radius:7px;flex-shrink:0}.panel-heading h2{font-size:22px;margin-top:2px;margin-bottom:5px}.panel-heading p{font-size:12px;color:#7e929f;line-height:1.5}.analysis-summary{font-size:13px;color:#687f8e;margin-bottom:20px;white-space:pre-line}.dimensions,.check-details,.assumption-details,.answer-history{border-top:1px solid #e1e8ed;border-bottom:1px solid #e1e8ed;margin:0 0 22px}summary{cursor:pointer;display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;list-style:none;padding:13px 0}summary::-webkit-details-marker{display:none}summary>svg:last-child{margin-left:auto;color:#8fa0aa}details[open]>summary>svg:last-child{transform:rotate(180deg)}.dimensions summary>span{color:#8c9eaa;font-size:10px;font-weight:400}.dimension-list{padding-bottom:8px}.dimension-list>div{display:flex;justify-content:space-between;gap:10px;font-size:11px;padding:9px 0;border-top:1px solid #edf1f4}.dimension-list strong{font-weight:600;text-align:right;min-width:80px}.dimension-list small{display:block;font-size:9px;color:#94a4af;margin-top:4px;line-height:1.4}.dimension-list .uncertain{color:#b4813c}.question{border:0;margin:0 0 27px;padding:0;min-width:0}.question legend{font-size:14px;font-weight:600;line-height:1.5;padding:0;width:100%;margin-bottom:7px}.question legend>span{display:inline-grid;place-items:center;width:20px;height:20px;background:#edf3f6;border-radius:50%;font-size:10px;color:#728d9f;margin-right:8px;vertical-align:middle}.question-why{font-size:11px;color:#8599a5;line-height:1.6;margin-bottom:11px}.source-link{font-size:10px;padding:0 0 12px;gap:3px;color:#5f869e}.options{display:flex;flex-direction:column;gap:7px}.option{display:flex;align-items:center;gap:9px;border:1px solid #dce6ec;border-radius:6px;padding:11px;cursor:pointer;background:#fff;transition:border-color .1s,background .1s}.option:hover{border-color:#9ab5c7}.option.selected{background:#edf4f8;border-color:#7296ad}.option input{accent-color:#244d66;width:14px;height:14px;margin:0;flex-shrink:0}.option>span{flex:1;min-width:0}.option strong{font-weight:500;font-size:12px;line-height:1.5;display:block}.option small{display:block;font-size:10px;color:#849aa8;line-height:1.5;margin-top:4px}.option-check{display:none;color:#4b7994}.selected .option-check{display:block}.question textarea,.iterate-form textarea{margin-top:10px;width:100%;resize:vertical;min-height:87px;padding:11px;border:1px solid #ccdce6;border-radius:6px;font-size:12px;line-height:1.6;color:#36576c;background:#fcfdfe}.question textarea::placeholder,.iterate-form textarea::placeholder{color:#9aaab4}.build-action{position:sticky;bottom:0;background:#fff;padding:16px 0 0;display:flex;flex-direction:column;gap:10px;border-top:1px solid #e1e8ed}.build-action>span{font-size:10px;color:#8fa1ad;text-align:right}.build-action .primary{width:100%}.progress-panel{padding:55px 32px}.progress-illustration{width:92px;height:90px;position:relative;display:grid;place-items:center;color:#7296ad;margin-bottom:30px}.progress-illustration>.spinner{position:absolute;inset:0;width:90px;height:90px;border-color:#e4edf3;border-top-color:#7296ad;border-width:1px}.progress-panel h2{font-size:25px;margin-bottom:12px}.progress-panel>p{font-size:13px;color:#7e95a3}.progress-steps{margin:29px 0;padding-left:3px}.progress-steps>div{display:flex;align-items:center;gap:11px;font-size:11px;color:#a1b0ba;margin-bottom:15px}.progress-steps>div>span{width:6px;height:6px;border-radius:50%;background:#dae4eb}.progress-steps>.active{color:#456d87}.progress-steps>.active>span{background:#7296ad;box-shadow:0 0 0 4px #edf3f7}.progress-panel>small{font-size:11px;line-height:1.7;color:#a0b0bb;display:block}.problem-panel h2{font-size:24px;margin-bottom:15px}.problem-panel>p{font-size:13px;color:#8397a4;margin-bottom:18px}.problem-panel>button{margin:8px 0;display:flex}.export-info{padding:14px 15px;border-left:3px solid #93afc0;background:#f2f6f8;margin-bottom:22px}.export-info>strong{font-size:12px;font-weight:600}.export-info>p{font-size:11px;color:#7d94a2;margin-top:5px}.check-details{color:#557767}.check-details p{font-size:10px;color:#8a9da9;margin-bottom:12px}.check-details a{font-size:10px;display:block;margin-bottom:14px}.check-details ul,.assumption-details ul{margin:0;padding:0 0 13px 17px;font-size:11px;line-height:1.65;color:#8398a6}.check-details li,.assumption-details li{margin-bottom:7px}.assumption-details{border-color:#ebe1d2}.assumption-details summary{color:#9b743e;font-size:11px}.iterate-form{border-top:1px solid #dbe6ed;padding-top:24px;margin-top:25px}.iterate-form h3{font-size:19px;margin-bottom:8px}.iterate-form p{font-size:11px;color:#859ca9}.iterate-form textarea{min-height:110px}.iterate-form button{margin-top:10px;width:100%;font-size:12px}.notes-link{font-size:10px;color:#8a9ea9;display:block;margin-top:22px;text-underline-offset:3px}.answer-history{margin:0 25px 25px}.answer-history>summary{font-size:11px;color:#7b92a0}.answer-history>div{padding:12px 0;border-top:1px solid #edf2f5}.answer-history strong{font-size:11px;font-weight:500}.answer-history p{font-size:11px;color:#7d97a7;margin-top:5px}@media(min-width:1600px){.work-panels{grid-template-columns:minmax(400px,1fr) 440px}.questions-form,.result-panel{padding:30px}.drawing-panel{padding:25px 30px 20px}.topbar h1{font-size:28px}}@media(max-width:1180px){.app{grid-template-columns:195px minmax(0,1fr)}.sidebar{padding:25px 11px}.brand{padding:0 4px}.brand>span{font-size:22px}.brand svg{width:31px}.work-panels{grid-template-columns:minmax(260px,1fr) 340px}.drawing-panel{padding:14px 13px}.questions-form,.result-panel{padding:23px 19px}.topbar{padding:22px}.start-workspace{padding:40px}.workflow-bar{gap:22px;padding:14px 20px}.viewer-hint span{display:none}.drawing-tabs>button{padding:10px 8px;font-size:11px}.drawing-tabs>button svg{width:14px}.concept-label{padding:3px 5px;font-size:9px}.model-footer{flex-wrap:wrap}.project-item small{font-size:9px}}@media(max-width:950px){.app{grid-template-columns:170px minmax(0,1fr)}.sidebar{padding:23px 9px}.brand>span{font-size:21px}.brand small{font-size:9px}.brand svg{width:25px}.new-project{font-size:11px;padding:10px 6px}.project-item{padding:10px 7px;gap:6px}.project-item>svg{width:15px}.project-item strong{font-size:11px}.project-item small{display:block}.project-item small>span{display:none}.work-panels{grid-template-columns:1fr}.drawing-panel{position:relative;height:520px;min-height:420px}.detail-panel{border-left:0;border-top:1px solid var(--line)}.questions-form,.result-panel{max-width:730px;margin:auto;padding:28px}.workflow-bar{gap:20px}.revision-select select{max-width:130px}.start-workspace{padding:35px}.intro h2{font-size:29px}.workflow-explain{gap:20px}.topbar h1{font-size:23px}.topbar{gap:12px}.status-pill{font-size:10px}.login-art{padding:35px;min-height:620px}.login-form-wrap{padding:30px}}@media(max-width:650px){.app{display:flex;flex-direction:column}.sidebar{position:relative;flex-direction:row;align-items:center;height:auto;min-height:69px;padding:14px 17px;border-right:0;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:8px}.brand{margin-right:auto}.brand>span{font-size:21px}.brand small{display:none}.new-project{margin:0;font-size:11px;padding:9px}.project-list-label,.sidebar-bottom{display:none}.project-list{display:flex;gap:5px;margin:0;width:100%;flex:auto;max-height:54px}.project-list:empty{display:none}.project-row{flex-shrink:0;min-width:120px;max-width:200px;margin:0}.project-item{width:100%;margin:0}.project-row.confirm{padding:5px 7px;gap:4px}.project-row.confirm>span{font-size:10px}.project-row.confirm button{padding:3px 6px;font-size:10px}.project-item small{font-size:9px}.rail-empty{display:none}.workspace{min-height:calc(100dvh - 70px)}.topbar{padding:17px 19px;min-height:87px}.topbar h1{font-size:21px}.breadcrumb{font-size:10px}.breadcrumb>span{display:none}.status-pill{max-width:120px;white-space:normal;font-size:9px;padding:6px;gap:5px}.mobile-settings{display:flex;padding:3px}.topbar-actions{gap:8px}.start-workspace{padding:34px 23px}.intro h2{font-size:28px}.intro>p{font-size:13px}.dropzone{min-height:240px}.workflow-explain{grid-template-columns:1fr;gap:18px;margin-top:28px}.workflow-explain>div{display:grid;grid-template-columns:27px 1fr;column-gap:12px}.workflow-explain svg{grid-row:span 2;margin-top:1px;margin-bottom:0}.workflow-explain h3{font-size:15px;margin-bottom:3px}.workflow-explain p{font-size:11px}.scope-note{font-size:10px;margin-top:28px}.workflow-bar{font-size:10px;gap:17px;padding:13px 17px;min-height:57px;flex-wrap:wrap}.workflow-bar>div{gap:5px}.workflow-bar>div>span{height:19px;width:19px;font-size:9px}.revision-select{width:100%;justify-content:flex-end}.drawing-panel{padding:10px 12px 14px;height:470px;min-height:350px}.drawing-tabs>button{font-size:11px;padding:11px 9px}.drawing-tabs{min-height:40px}.viewer-hint{font-size:9px;bottom:10px;left:10px}.axis-key{bottom:10px}.source-toolbar>span{max-width:40%}.paper-scroll{padding:10px}.questions-form,.result-panel,.problem-panel{padding:25px 22px}.panel-heading h2{font-size:23px}.question legend{font-size:14px}.option{padding:12px}.option strong{font-size:13px}.option small,.question-why{font-size:11px}.progress-panel{padding:35px 25px}.global-error{margin:12px 17px;font-size:12px}.login-page{grid-template-columns:1fr}.login-art{min-height:220px;padding:25px 28px;display:block}.login-brand{font-size:23px}.login-brand svg{width:29px}.login-art h1{font-size:34px;margin:28px 0 0;line-height:1}.login-art h1 br,.login-art p{display:none}.wire-part{position:absolute;width:240px;right:-60px;top:12px;margin:0;opacity:.45}.cad-animation-toggle{right:72px;bottom:0}.login-art>div:last-child{position:relative}.login-form-wrap{padding:40px 28px}.login-form h2{font-size:29px}.login-form{max-width:400px}.login-form>svg{display:none}.login-note{margin-top:18px}.modal-backdrop{padding:17px}.settings-modal{padding:28px}.flat-caption{gap:12px;font-size:9px}}.dwg-workspace{padding:24px 28px 60px;flex:1;min-width:0}.dwg-workspace .progress-panel>p,.dwg-workspace .problem-panel>p{max-width:62ch}.dwg-summary{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line)}.dwg-summary h2{font-size:24px;margin-bottom:4px}.dwg-summary p{font-size:13px;color:var(--muted)}.dwg-summary strong{color:#9b7137}.dwg-summary-actions{display:flex;gap:10px;flex-wrap:wrap}.send-error{flex-basis:100%;color:#8c352c;font-size:13px}.dwg-section{margin-top:28px}.section-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.section-head h3{font-size:18px}.check-filter{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#506877}.section-note{font-size:12px;color:var(--muted);margin:4px 0 14px}.part-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}.part-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;min-width:0}.part-card.check,.part-card.error{border-color:#e8cfa3}.part-card{position:relative}.part-card.selected{border-color:#7296ad;box-shadow:0 0 0 2px #7296ad}.part-select{position:absolute;top:8px;left:8px;z-index:1;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;background:#ffffffeb;border:1px solid var(--line);cursor:pointer}.part-select input{width:17px;height:17px;margin:0;cursor:pointer}.bulk-bar{position:sticky;bottom:16px;z-index:50;margin-top:20px;display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:10px 12px 10px 18px;background:var(--paper);border:1px solid #c5d6e0;border-radius:8px;box-shadow:0 6px 24px #173d5324;font-size:14px}.bulk-bar>span{margin-right:auto}.part-actions .discard{margin-left:auto;color:#8c5a52}.part-actions .discard:hover{color:#9c3830}.part-preview{display:block;width:100%;height:170px;background:#f2f6f8;padding:12px}.part-preview img{display:block;width:100%;height:100%;object-fit:contain}.part-body{padding:12px 14px 10px;display:flex;flex-direction:column;gap:4px;flex:1}.part-title{display:flex;align-items:baseline;gap:8px;min-width:0}.part-title strong{font-size:15px;color:var(--ink)}.part-title>span:not(.part-status):not(.part-marks){font-size:13px;color:#506877;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.part-status{margin-left:auto;font-size:10px;padding:3px 7px;border-radius:4px;background:#e5f1ea;color:#2f6b4a;white-space:nowrap}.part-marks{margin-left:auto;display:inline-flex;gap:4px}.part-marks+.part-status{margin-left:0}.part-mark{font-size:10px;font-weight:700;padding:3px 6px;border-radius:4px;background:#e3ecf6;color:#2c5578;text-decoration:none;cursor:help}.part-status.check,.part-status.error{background:#f7eddb;color:#9b7137}.part-status.profile{display:inline-flex;align-items:center;gap:4px;background:#fbe3df;color:#a23b2a;font-weight:700}.part-card.profile{border-color:#eab3a8}.part-warning.profile{color:#a23b2a}.part-meta{font-size:12px;color:#6a7f8c;line-height:1.5}.part-warning{display:flex;gap:6px;align-items:flex-start;font-size:11px;line-height:1.5;color:#9b7137}.part-warning svg{margin-top:2px;flex-shrink:0}.part-actions{display:flex;gap:14px;margin-top:auto;padding-top:4px}.part-actions .text-button{display:inline-flex;gap:5px}.assembly-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}.assembly-card{flex-direction:column;align-items:stretch;gap:6px;padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--paper);font-size:12px;text-align:left}.assembly-card img{width:100%;aspect-ratio:1.41;object-fit:contain;background:#fbfcfc}.ignored-list{display:flex;flex-wrap:wrap;gap:4px 18px}.reasons{margin:8px 0 0;padding-left:18px;font-size:12px;line-height:1.6;color:#5d7382}.reasons.warn,.reasons .bad{color:#9b7137}.dwg-warnings{margin-top:14px}.sheet-dialog-backdrop{position:fixed;inset:0;background:#173d5359;display:grid;place-items:center;padding:24px;z-index:50}.sheet-dialog{background:var(--paper);border-radius:10px;width:min(1180px,100%);max-height:calc(100dvh - 48px);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 18px 50px #173d5340}.sheet-dialog header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line)}.sheet-dialog header h2{font-size:21px}.sheet-dialog header h2 span{font-weight:400;color:#506877}.sheet-dialog header p{font-size:12px;color:var(--muted)}.sheet-dialog-body{display:grid;grid-template-columns:minmax(0,1fr) 340px;min-height:0;overflow:auto}.sheet-large{background:#f2f6f8;padding:16px;display:grid;place-items:center}.sheet-large img{width:100%;max-height:calc(100dvh - 190px);object-fit:contain}.sheet-facts{padding:18px 22px;display:flex;flex-direction:column;gap:18px;overflow:auto}.sheet-facts h3{font-size:14px;margin-bottom:8px}.kind-switch{display:inline-flex;border:1px solid #cfdce4;border-radius:7px;overflow:hidden}.kind-switch button{padding:8px 12px;font-size:12px;color:#506877;min-height:36px}.kind-switch button+button{border-left:1px solid #cfdce4}.kind-switch button.active{background:var(--ink);color:#fff}.mark-toggles{display:flex;flex-wrap:wrap;gap:8px}.mark-toggles button{padding:8px 12px;font-size:12px;color:#506877;min-height:36px;border:1px solid #cfdce4;border-radius:7px}.mark-toggles button.active{background:var(--ink);border-color:var(--ink);color:#fff}.inline-form{display:flex;align-items:flex-end;gap:8px}.inline-form label{display:flex;flex-direction:column;gap:4px;font-size:11px;color:var(--muted);flex:1;min-width:0}.inline-form input{border:1px solid #cfdce4;border-radius:6px;padding:9px 10px;font-size:14px;min-width:0}.inline-form .secondary{min-height:40px;padding:9px 13px}.hint{font-size:11px;color:var(--muted);margin-top:6px;word-break:break-all}.hint.prose{word-break:normal}.dialog-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.dialog-actions a.secondary{display:inline-flex;text-decoration:none}.saving-note{position:fixed;bottom:18px;right:18px;z-index:60;display:flex;align-items:center;gap:8px;background:var(--ink);color:#fff;font-size:12px;padding:9px 13px;border-radius:7px}@media(max-width:950px){.sheet-dialog-body{grid-template-columns:1fr}}@media(max-width:650px){.dwg-workspace{padding:18px 16px 48px}.dwg-summary-actions{width:100%}.dwg-summary-actions>*{flex:1;justify-content:center}.part-grid{grid-template-columns:1fr}.assembly-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sheet-dialog-backdrop{padding:0}.sheet-dialog{max-height:100dvh;height:100dvh;border-radius:0}}@media(prefers-reduced-motion:reduce){.cad-light-nodes,.cad-animation-toggle{display:none}*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
