.cad-shell{max-width:1510px;padding:0 25px}.cad-heading{padding:24px 0 20px}.cad-heading h1{font-size:30px}.cad-heading p{max-width:650px}.cad-toolbar{display:flex;align-items:center;gap:9px;margin-bottom:14px;flex-wrap:wrap}.cad-toolbar .spacer{flex:1}.cad-title{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff;color:var(--ink);font-size:14px;font-weight:700;width:205px}.cad-layout{display:grid;grid-template-columns:165px minmax(0,1fr) 230px;gap:13px;align-items:stretch;margin-bottom:15px}.cad-panel{border:1px solid var(--line);border-radius:17px;background:#fff;padding:15px;min-width:0}.cad-panel h2{font-size:15px;margin:0 0 13px}.cad-shapes{display:grid;grid-template-columns:1fr 1fr;gap:9px}.shape-button{border:1px solid #dbe3f5;border-radius:13px;background:#f7f9fe;padding:12px 4px 9px;color:var(--ink);font-size:11px;font-weight:800;display:flex;flex-direction:column;align-items:center;gap:7px}.shape-button svg{width:48px;height:48px;filter:drop-shadow(0 3px 0 #26375514)}.shape-button:hover{background:#e9efff;border-color:#8ea6ea;transform:translateY(-2px)}.cad-presets{border-top:1px solid var(--line);padding-top:17px;margin-top:21px}.cad-presets button{width:100%;margin:0 0 8px;font-size:11px}.cad-side-note{font-size:11px;color:var(--muted);line-height:1.7;margin:12px 0 0}.cad-viewport{position:relative;border:1px solid #ced8e5;border-radius:19px;background:#edf2f6;min-width:0;height:590px;overflow:hidden}.cad-viewport>canvas{display:block;outline:none;touch-action:none;width:100%;height:100%}.view-controls{position:absolute;z-index:2;top:13px;left:13px;display:flex;gap:5px;flex-wrap:wrap;max-width:calc(100% - 26px)}.view-controls .btn{background:#ffffffeb;padding:7px 10px;min-height:33px;font-size:11px}.view-controls .btn[aria-pressed=true],.cad-toolbar .btn[aria-pressed=true]{background:#e1e9ff;color:#3154bf;border-color:#93a8e5}.cad-grid-note{position:absolute;left:14px;bottom:12px;background:#ffffffdf;padding:7px 10px;border-radius:8px;font-size:10px;color:#66798a;pointer-events:none}.cad-axis{position:absolute;right:15px;bottom:14px;font-size:11px;background:#fff9;border-radius:8px;padding:7px}.cad-axis b{margin:0 3px}.cad-axis b:nth-child(1){color:#d34c58}.cad-axis b:nth-child(2){color:#289f63}.cad-axis b:nth-child(3){color:#376ccc}.cad-empty{position:absolute;inset:100px 25px 60px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;pointer-events:none}.cad-empty>span{font-size:54px;color:#7796d2}.cad-empty h2{font-size:24px;margin:12px 0 8px}.cad-empty p{font-size:13px;color:var(--muted);max-width:270px}.cad-error{position:absolute;inset:0;z-index:5;background:#f0f4fcf5;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:25px;text-align:center;gap:15px}.cad-error p{max-width:330px;line-height:1.7}.cad-properties h3{font-size:11px;font-weight:800;color:var(--muted);margin:17px 0 9px;letter-spacing:0}.cad-properties input[type=number]{width:100%;min-width:0;border:1px solid var(--line);border-radius:8px;font-size:12px;padding:9px 5px;color:var(--ink);background:#f9fbfc;font-variant-numeric:tabular-nums}.cad-properties input:invalid{border-color:#d95969;background:#fff0f0}.cad-triplet{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.cad-triplet label{font-size:10px;font-weight:800;display:flex;flex-direction:column;gap:4px}.cad-type-toggle{display:flex;gap:6px}.cad-type-toggle button{flex:1}.cad-color-row{display:flex;gap:7px;flex-wrap:wrap}.cad-color-row .swatch{width:25px;height:25px}.cad-selection{font-size:14px;font-weight:800;min-height:24px;margin-bottom:10px;word-break:break-word}.cad-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:17px}.cad-actions .btn{font-size:11px;padding:8px 5px}.cad-object-list{list-style:none;padding:0;margin:14px 0 0;max-height:180px;overflow:auto;border-top:1px solid var(--line)}.cad-object-list button{width:100%;display:flex;align-items:center;text-align:left;gap:7px;font-size:11px;border:0;border-radius:7px;background:transparent;padding:8px;color:var(--muted)}.cad-object-list button.active{background:#e8eeff;color:#3154af;font-weight:800}.cad-object-list i{width:11px;height:11px;border-radius:3px;flex-shrink:0}.cad-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;margin:16px 2px 25px;color:var(--muted)}.cad-bottom p{margin:0}.cad-bottom a{text-decoration:underline}.cad-inspector-empty{font-size:12px;line-height:1.7;color:var(--muted);padding:14px 0}.cad-export{border:0;border-radius:22px;padding:27px;max-width:500px;width:calc(100% - 32px);color:var(--ink);box-shadow:0 30px 100px #18254455}.cad-export::backdrop{background:#17243e9c;backdrop-filter:blur(4px)}.cad-export h2{font-size:25px;margin-bottom:10px}.cad-export p{font-size:13px;color:var(--muted)}.cad-export .metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:17px;background:#f1f5fa;border-radius:13px;font-size:12px;margin:18px 0}.cad-export .metrics strong{display:block;font-size:17px;margin-top:5px}.cad-export .button-row{margin-top:20px}.cad-note{padding:12px;border-radius:12px;background:#fff2d6;color:#76582c;font-size:12px;line-height:1.6;margin-bottom:14px}.cad-file{display:none}.cad-status{font-size:12px;min-height:20px;margin:0 0 18px;color:#536e8d}.cad-help{font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:25px}.cad-help summary{cursor:pointer;font-weight:800}.cad-help ol{padding-left:20px}.cad-help li{margin:7px 0}
@media(max-width:1100px){.cad-layout{grid-template-columns:125px minmax(0,1fr) 195px}.cad-panel{padding:12px}.cad-viewport{height:550px}.cad-shapes{grid-template-columns:1fr}.shape-button{flex-direction:row;padding:7px;gap:7px}.shape-button svg{width:34px;height:34px}.cad-shell{padding:0 18px}.cad-toolbar{gap:6px}.cad-toolbar .btn{font-size:11px;padding:9px 10px}}
@media(max-width:750px){.cad-layout{grid-template-columns:1fr 1fr}.cad-tools{grid-column:1/-1;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.cad-tools h2,.cad-side-note{display:none}.cad-shapes{display:flex;gap:7px;flex:1}.shape-button{flex:1;font-size:10px;flex-direction:column;padding:8px 4px;gap:4px}.cad-presets{margin:0;padding:0;border:0;width:100%;display:flex;gap:8px}.cad-presets button{margin:0}.cad-presets h2{display:none}.cad-viewport{grid-column:1/-1;grid-row:2;height:420px}.cad-properties{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:15px}.cad-properties>h2{grid-column:1/-1;margin:0}.cad-properties #cad-inspector{grid-column:1/-1}.cad-inspector-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.cad-properties h3{margin-top:9px}.cad-object-list{grid-column:1/-1;max-height:140px;margin:0}.cad-selection{margin-bottom:8px}.cad-actions{grid-column:1/-1;display:flex;flex-wrap:wrap}.cad-actions .btn{flex:1;min-width:75px}.cad-heading{padding-top:23px}.cad-heading h1{font-size:28px}.cad-heading p{font-size:12px}.cad-toolbar .spacer{display:none}.cad-title{width:100%;margin-bottom:4px}.cad-toolbar .btn{flex:1;white-space:nowrap}.cad-grid-note{max-width:225px;line-height:1.5}.cad-viewport{height:390px}.view-controls .btn{font-size:10px;padding:7px 8px}.cad-bottom{font-size:11px;gap:9px}.cad-export{padding:21px}}