:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#e6e9ef;background:#0f1115;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-optical-sizing:auto;font-size:13px;font-variant-numeric:tabular-nums}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0}body{min-width:320px;overflow:hidden}button,select,input{font:inherit}button{color:inherit}button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid #4c9aff;outline-offset:2px}.app-shell{position:relative;display:grid;grid-template-rows:52px 32px 34px minmax(0,1fr) 30px;height:100dvh;min-height:0;background:#0f1115;overflow:hidden}.app-shell.is-dragging:after{content:"";position:absolute;top:8px;right:8px;bottom:8px;left:8px;z-index:10;border:2px dashed #4c9aff;border-radius:16px;pointer-events:none}.topbar{z-index:4;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 18px;background:#181c23;border-bottom:1px solid #2a303b}.brand,.file-actions{display:flex;align-items:center;gap:11px;min-width:0}.brand{gap:9px;white-space:nowrap}.brand strong{font-size:15px;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:26px;height:26px;border-radius:8px;color:#fff;background:linear-gradient(145deg,#4c9aff,#2569c6);font-weight:800}.variant-tag,.license-tag{padding:4px 7px;border:1px solid #353d4a;border-radius:5px;color:#aab4c4;font-size:10px;font-weight:700;letter-spacing:.07em}.license-tag{color:#6ed7a6;border-color:#29533f;background:#153122;letter-spacing:.02em}.file-actions{gap:8px}.file-actions input[type=file]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;clip-path:inset(50%)}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:34px;padding:0 12px;border:1px solid #394252;border-radius:7px;background:#222833;color:#dce3ed;cursor:pointer;transition:background .15s,border-color .15s}.button:hover{border-color:#64738a;background:#293240}.button svg,.tool-button svg,.privacy-line svg,.modal-warning svg,.layer-toggle svg,.mobile-tabs svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}.button-primary{background:#286dc3;border-color:#367fdb;color:#fff;font-weight:650}.button-primary:hover{background:#347bd1;border-color:#5897e6}.button-quiet{background:transparent;border-color:transparent}.sample-wrap{position:relative}.sample-menu{position:absolute;top:40px;right:0;z-index:20;width:min(340px,calc(100vw - 24px));padding:5px;background:#202630;border:1px solid #394252;border-radius:10px;box-shadow:0 16px 48px #0009}.sample-menu button{display:flex;flex-direction:column;align-items:flex-start;gap:3px;width:100%;padding:10px;border:0;border-radius:6px;background:transparent;color:#e6e9ef;text-align:left;cursor:pointer}.sample-menu button:hover{background:#2a3341}.sample-menu button span,.sample-menu button small{color:#98a2b3;font-size:11px}.privacy-line{display:flex;align-items:center;gap:7px;padding:0 17px;color:#b4c0cc;background:#171c22;border-bottom:1px solid #252c35;font-size:11px}.privacy-dot{width:7px;height:7px;border-radius:50%;background:#3ecf8e;box-shadow:0 0 0 3px #3ecf8e22}.permanent-dwg-warning{display:inline-flex;align-items:center;gap:6px;margin-left:auto;color:#f5bb57}.permanent-dwg-warning svg{width:14px;height:14px}.document-line{display:flex;align-items:center;gap:9px;min-width:0;padding:0 18px;color:#98a2b3;background:#111419;border-bottom:1px solid #252b34;font-size:11px}.document-name{overflow:hidden;color:#d2d8e1;text-overflow:ellipsis;white-space:nowrap}.document-meta{color:#798597;white-space:nowrap}.busy-stage{display:inline-flex;align-items:center;gap:7px;margin-left:auto;color:#78b5ff;white-space:nowrap}.spinner{width:12px;height:12px;border:2px solid #64748b;border-top-color:#4c9aff;border-radius:50%;animation:spin .8s linear infinite}.spinner-large{width:23px;height:23px;border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{z-index:5;position:absolute;top:126px;left:50%;display:flex;align-items:center;gap:10px;width:min(720px,calc(100vw - 24px));padding:10px 12px;transform:translate(-50%);border:1px solid #723841;border-radius:8px;color:#ffdce0;background:#3b2026;box-shadow:0 9px 30px #0007}.error-banner svg{width:18px;height:18px;flex:0 0 auto;fill:none;stroke:#f0616d;stroke-width:1.8}.error-banner span{flex:1}.error-banner button{border:0;background:transparent;font-size:20px;cursor:pointer}.workspace{display:grid;grid-template-columns:248px minmax(0,1fr) 300px;min-height:0;overflow:hidden}.workspace.layers-collapsed{grid-template-columns:0 minmax(0,1fr) 300px}.workspace.layers-collapsed .left-panel{display:none}.left-panel,.right-panel{min-width:0;overflow:auto;background:#181c23;scrollbar-color:#394252 transparent;scrollbar-width:thin}.left-panel{border-right:1px solid #2a303b}.right-panel{display:flex;flex-direction:column;border-left:1px solid #2a303b}.right-panel>section+section{border-top:1px solid #2a303b}.panel-heading{display:flex;align-items:center;justify-content:space-between;height:43px;padding:0 14px;border-bottom:1px solid #2a303b}.panel-heading h2{margin:0;font-size:12px;font-weight:700;letter-spacing:.02em}.panel-heading>span{display:grid;place-items:center;min-width:19px;height:19px;padding:0 5px;border-radius:10px;color:#aab5c4;background:#2a303a;font-size:10px}.left-panel-content{padding:12px 12px 16px}.section-actions{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;color:#98a2b3;font-size:11px}.section-actions div{display:flex;gap:3px}.section-actions button{padding:4px 6px;border:0;border-radius:4px;color:#86baff;background:transparent;font-size:10px;cursor:pointer}.section-actions button:hover{background:#242b35}.layer-list{margin:0;padding:0;list-style:none}.layer-list li{display:flex;align-items:center;gap:2px;min-height:34px;border-radius:5px}.layer-list li:hover{background:#202630}.layer-toggle{display:flex;align-items:center;gap:7px;min-width:0;flex:1;height:34px;padding:0 4px;border:0;background:transparent;text-align:left;cursor:pointer}.eye-icon{display:grid;place-items:center;width:18px;color:#687486}.eye-icon.is-visible{color:#9babbe}.eye-icon svg{width:15px;height:15px}.layer-swatch{width:9px;height:9px;border:1px solid #ffffff44;border-radius:50%;flex:0 0 auto}.layer-name{min-width:0;overflow:hidden;flex:1;color:#d3d9e2;text-overflow:ellipsis;white-space:nowrap;font-size:11px}.layer-count{color:#7f8a9a;font-family:ui-monospace,monospace;font-size:10px}.layer-solo{padding:4px 5px;border:0;border-radius:4px;color:#7e899b;background:transparent;font-size:9px;cursor:pointer}.layer-solo:hover{color:#9fcaff;background:#293748}.layout-picker{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:8px;margin-top:16px;padding-top:13px;border-top:1px solid #2a303b}.layout-picker label{color:#98a2b3;font-size:11px}.layout-picker select{min-width:0;height:30px;padding:0 7px;border:1px solid #343d49;border-radius:5px;color:#dfe5ed;background:#202630}.layout-picker small{grid-column:1/-1;color:#7f8a9a;font-size:10px}.viewport-region{position:relative;min-width:0;min-height:0;overflow:hidden;background:#14171c}.cad-canvas{display:block;width:100%;height:100%;touch-action:none;cursor:crosshair}.viewport-hint{z-index:1;position:absolute;top:12px;left:15px;color:#626c7b;font-size:10px;pointer-events:none}.viewport-loading{z-index:1;position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#dce3ed;background:#14171cbb;pointer-events:none}.viewport-loading span:last-child{color:#98a2b3;font-size:11px}.measure-label{z-index:2;position:absolute;top:40px;left:50%;padding:8px 12px;transform:translate(-50%);border:1px solid #465160;border-radius:7px;color:#f3d59f;background:#242a33;font-family:ui-monospace,monospace;font-size:11px;white-space:nowrap}.measure-help{font-family:inherit}.tool-dock{z-index:3;position:absolute;bottom:17px;left:50%;display:flex;align-items:center;gap:3px;max-width:calc(100% - 24px);padding:6px;transform:translate(-50%);border:1px solid #343c48;border-radius:10px;background:#1b2029ed;box-shadow:0 10px 32px #0007;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.tool-button{display:flex;align-items:center;justify-content:center;gap:7px;min-width:83px;height:40px;padding:0 10px;border:0;border-radius:6px;color:#aab4c2;background:transparent;cursor:pointer;white-space:nowrap}.tool-button:hover{color:#eff4fa;background:#2a313d}.tool-button.active{color:#9bc9ff;background:#263b53}.tool-button:disabled{opacity:.4;cursor:not-allowed}.tool-button svg{width:17px;height:17px}.dock-divider{width:1px;height:25px;margin:0 3px;background:#3b4350}.version-picker{display:flex;flex-direction:column;justify-content:center;gap:2px;min-width:64px;color:#8591a2;font-size:8px;text-align:center}.version-picker select{height:22px;padding:0 4px;border:1px solid #414b5a;border-radius:4px;color:#d7e2ef;background:#252c36;font-size:10px}.export-tool{color:#c9dcf3}.dwg-tool{color:#f1c272}.dwg-tool span:first-child{padding:2px 4px;border:1px solid #655532;border-radius:3px;font-size:9px;font-weight:800}.right-panel-content{padding:13px 14px 15px}.empty-props{display:flex;flex-direction:column;align-items:center;gap:8px;padding:29px 22px;color:#909bab;text-align:center}.empty-glyph{display:grid;place-items:center;width:42px;height:42px;margin-bottom:3px;border:1px solid #343c49;border-radius:12px;color:#718096;font-size:28px}.empty-props strong{color:#c4ccd7;font-size:11px}.empty-props span{max-width:210px;font-size:10px;line-height:1.5}.property-type{display:flex;align-items:center;gap:10px;margin-bottom:13px}.type-icon{display:grid;place-items:center;width:32px;height:32px;border:1px solid #3e536e;border-radius:8px;color:#8ebeff;background:#1f3145;font-family:ui-monospace,monospace;font-size:11px}.property-type div{display:flex;flex-direction:column;gap:4px}.property-type strong{font-size:11px}.property-type span{color:#8995a5;font-size:10px}.property-type code,.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-weight:500;font-variant-numeric:tabular-nums}.property-row,.metric-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:27px;border-top:1px solid #252c35}.property-row>span,.metric-row>span{color:#98a2b3;font-size:10px}.property-row>strong,.metric-row>strong{color:#d3d9e2;font-size:10px;text-align:right}.property-color{display:inline-flex;align-items:center;gap:6px}.property-color i{width:9px;height:9px;border-radius:50%}.edit-line-button{width:100%;min-height:34px;margin-top:11px;border:1px solid #43566c;border-radius:6px;color:#a8cff7;background:#1c2b3b;font-size:10px;cursor:pointer}.edit-line-button:hover{background:#253a50}.metric-summary{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px 14px}.metric-summary div{display:flex;flex-direction:column;gap:3px;padding:9px;border:1px solid #2f3743;border-radius:7px;background:#1e232c}.metric-summary strong{font-size:16px}.metric-summary span{color:#98a2b3;font-size:9px}.metric-table{padding:0 14px}.counts-list{padding:12px 14px 0}.counts-list h4{margin:0 0 7px;color:#aeb8c5;font-size:10px}.counts-list p{color:#8b96a5;font-size:10px}.warning-preview{margin-top:10px;padding-top:9px;border-top:1px solid #2a303b;color:#98a2b3;font-size:10px}.warning-list{display:flex;flex-direction:column;gap:6px;margin:0;padding:11px 12px;list-style:none}.warning-list li{display:flex;gap:8px;padding:8px;border:1px solid #443a29;border-radius:6px;background:#28241e}.warning-list li.warning-error{border-color:#633840;background:#302126}.warning-symbol{color:#f5a524;font-size:13px}.warning-error .warning-symbol{color:#f0616d}.warning-list strong{color:#edc779;font-size:10px}.warning-error strong{color:#ff9da6}.warning-list p{margin:4px 0 0;color:#b5b3ad;font-size:10px;line-height:1.45}.no-warnings{display:grid;grid-template-columns:20px 1fr;align-items:center;gap:7px;color:#b5c2bd;font-size:10px}.no-warnings p{grid-column:2;margin:0;color:#d3ae67;font-size:9px}.success-mark{display:grid;place-items:center;width:17px;height:17px;border-radius:50%;color:#55cf98;background:#1d3a2d}.status-bar{z-index:4;display:flex;align-items:center;gap:20px;padding:0 13px;border-top:1px solid #2a303b;color:#9ba6b6;background:#181c23;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px}.status-bar span:first-child{min-width:155px}.status-bar span:nth-child(2){margin-right:auto}.mobile-tabs,.mobile-sheet{display:none}.drop-overlay{z-index:11;position:absolute;top:8px;right:8px;bottom:8px;left:8px;display:grid;place-items:center;border:2px dashed #4c9aff;border-radius:14px;color:#d9ebff;background:#132336d9;font-size:19px;font-weight:700;pointer-events:none}.modal-backdrop{z-index:30;position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:20px;background:#080a0dcc;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.export-modal{width:min(600px,100%);max-height:min(720px,90dvh);overflow:auto;border:1px solid #394251;border-radius:13px;background:#1a1f27;box-shadow:0 24px 90px #000b}.export-modal>header{display:flex;align-items:flex-start;justify-content:space-between;padding:20px 21px 16px;border-bottom:1px solid #303743}.eyebrow{color:#78b5ff;font-size:9px;font-weight:800;letter-spacing:.13em}.export-modal h2{margin:6px 0 0;font-size:20px;letter-spacing:-.02em}.icon-button{width:30px;height:30px;border:1px solid #3a4350;border-radius:7px;color:#b3bdca;background:#222833;font-size:18px;cursor:pointer}.modal-file{display:flex;align-items:center;gap:11px;margin:16px 20px;padding:12px;border:1px solid #303945;border-radius:8px;background:#202630}.modal-file>svg{width:19px;height:19px;fill:none;stroke:#8dbbfa;stroke-width:1.7}.modal-file div{display:flex;flex:1;flex-direction:column;gap:4px;min-width:0}.modal-file strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.modal-file span{color:#98a2b3;font-size:10px}.roundtrip-state{padding:5px 8px;border-radius:5px;font-size:10px!important;font-weight:700}.roundtrip-state.ok{color:#66d9a5;background:#183627}.roundtrip-state.not-ok{color:#f3919a;background:#3c2529}.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:0 20px 14px}.report-grid div{display:flex;flex-direction:column;gap:3px;padding:10px;border:1px solid #303743;border-radius:7px;background:#1e232c}.report-grid strong{font-size:16px}.report-grid span{color:#98a2b3;font-size:10px}.report-section{margin:0 20px 13px;padding:11px 12px;border:1px solid #303743;border-radius:7px}.report-section h3{margin:0 0 7px;color:#cfd7e1;font-size:11px}.report-section p,.report-section li{color:#aeb8c5;font-size:10px;line-height:1.5}.report-section p{margin:0}.report-section ul{display:flex;flex-direction:column;gap:4px;margin:0;padding-left:17px}.modal-warning{display:flex;align-items:flex-start;gap:8px;margin:0 20px 15px;padding:10px;border:1px solid #54462e;border-radius:6px;color:#f4c36f;background:#2d281e;font-size:10px;line-height:1.45}.modal-warning svg{width:15px;height:15px;flex:0 0 auto}.export-modal footer{display:flex;justify-content:flex-end;padding:12px 20px 17px;border-top:1px solid #303743}@media(max-width:1100px)and (min-width:900px){.workspace{grid-template-columns:214px minmax(0,1fr) 260px}.tool-button{min-width:70px;padding:0 7px}.tool-button span{font-size:10px}}@media(max-width:899px){.app-shell{grid-template-rows:50px 42px 32px minmax(0,1fr) 28px}.topbar{gap:6px;padding:0 9px}.brand{gap:6px}.brand strong{font-size:13px}.brand-mark{width:23px;height:23px}.variant-tag{display:none}.license-tag{padding:3px 5px;font-size:9px}.file-actions{gap:3px}.button{min-height:38px;padding:0 8px;gap:5px;font-size:10px}.button svg{width:14px;height:14px}.button-quiet{padding:0 5px}.privacy-line{flex-wrap:wrap;align-content:center;gap:4px 7px;padding:4px 10px;font-size:9px}.privacy-dot{width:6px;height:6px}.permanent-dwg-warning{flex:1 1 100%;margin:0 0 0 13px;font-size:9px;line-height:1.15}.permanent-dwg-warning svg{width:12px;height:12px}.document-line{padding:0 10px;font-size:10px}.busy-stage{font-size:9px}.workspace{position:relative;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr);overflow:hidden}.workspace.layers-collapsed{grid-template-columns:minmax(0,1fr)}.left-panel,.right-panel{display:none}.viewport-region{grid-row:1}.viewport-hint{top:8px;left:9px;font-size:9px}.tool-dock{bottom:244px;gap:1px;max-width:calc(100% - 10px);padding:4px;border-radius:9px}.button{min-height:44px}.tool-button{flex-direction:column;gap:3px;min-width:53px;height:48px;padding:3px 4px;font-size:9px}.tool-button svg{width:16px;height:16px}.tool-button span{font-size:8px}.dwg-tool span:first-child{padding:1px 3px;font-size:8px}.version-picker{min-width:66px;height:48px}.version-picker>span{display:none}.version-picker select{width:66px;height:29px;font-size:9px}.dock-divider{height:27px;margin:0 2px}.status-bar{gap:9px;padding:0 8px;font-size:9px}.status-bar span:first-child{min-width:106px}.status-bar span:nth-child(2){display:none}.mobile-tabs{z-index:8;position:fixed;right:0;bottom:28px;left:0;display:grid;grid-template-columns:1fr 1fr 1.3fr;height:52px;border-top:1px solid #303743;background:#1b2028}.mobile-tabs button{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-width:0;border:0;color:#98a2b3;background:transparent;cursor:pointer}.mobile-tabs button.selected{color:#82baff;background:#202a37}.mobile-tabs button.selected:before{content:"";position:absolute;top:0;right:18px;left:18px;height:2px;background:#4c9aff}.mobile-tabs svg{width:17px;height:17px}.mobile-tabs button span{overflow:hidden;max-width:100%;font-size:9px;text-overflow:ellipsis;white-space:nowrap}.mobile-tabs i{display:inline-grid;place-items:center;min-width:13px;height:13px;margin-left:3px;border-radius:7px;color:#22190a;background:#f5a524;font-size:8px;font-style:normal}.mobile-sheet{z-index:7;position:fixed;right:0;bottom:80px;left:0;display:block;height:180px;overflow:auto;border-top:1px solid #363e4b;background:#181c23f5;box-shadow:0 -10px 25px #0004;scrollbar-width:thin}.mobile-sheet .panel-heading{height:33px;padding:0 10px}.mobile-sheet .left-panel-content{padding:5px 10px 8px}.mobile-sheet .section-actions{margin-bottom:3px}.mobile-sheet .layer-list{display:grid;grid-template-columns:1fr 1fr;column-gap:8px}.mobile-sheet .layer-list li{min-height:44px}.mobile-sheet .layer-toggle{height:44px;gap:5px}.mobile-sheet .layer-solo{min-width:44px;min-height:44px}.mobile-sheet .layer-name{font-size:10px}.mobile-sheet .layout-picker{margin-top:5px;padding-top:5px}.mobile-sheet .layout-picker select{height:26px}.mobile-sheet .right-panel-content{padding:7px 10px}.mobile-sheet .empty-props{padding:12px}.mobile-sheet .empty-glyph{width:30px;height:30px;font-size:21px}.mobile-sheet .metric-summary{gap:6px;padding:6px 10px}.mobile-sheet .metric-summary div{padding:6px}.mobile-sheet .metric-summary strong{font-size:13px}.mobile-sheet .metric-table,.mobile-sheet .counts-list{padding-right:10px;padding-left:10px}.mobile-sheet .metric-row{min-height:23px}.mobile-sheet .warning-list{display:grid;grid-template-columns:1fr 1fr;gap:5px;padding:6px 10px}.mobile-sheet .warning-list li{gap:5px;padding:6px}.mobile-sheet .warning-list p{font-size:9px}.drop-overlay{font-size:16px}.error-banner{top:130px;font-size:11px}.measure-label{top:27px;max-width:calc(100% - 14px);overflow:hidden;font-size:9px}}@media(max-width:380px){.topbar,.file-actions .button-primary{padding:0 6px}.file-actions{gap:1px}.button-quiet{font-size:9px}.tool-button{min-width:47px}.dwg-tool,.dock-divider{display:none}.mobile-sheet .layer-list{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}