:root{--bg-app:#0d1117;--bg-header:#161b22;--bg-panel:#161b22;--bg-dropdown:#21262d;--bg-canvas:#0d1117;--glass-border:1px solid #30363d;--glass-border-hover:1px solid #58a6ff;--border-color:#30363d;--accent-color:#58a6ff;--accent-hover:#79c0ff;--accent-text:#fff;--text-primary:#f0f6fc;--text-secondary:#8b949e;--text-muted:#6e7681;--hover-bg:#30363d;--active-bg:#21262d;--input-bg:#161b22;--header-height:40px;--sidebar-width:180px;--properties-width:260px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:12px;--spacing-lg:16px;--radius-sm:3px;--radius-md:4px;--radius-lg:6px;--shadow-sm:none;--shadow-lg:none;--backdrop-blur:none;--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}.app-container *{box-sizing:border-box;-webkit-user-select:none;user-select:none;-webkit-font-smoothing:antialiased}.app-container input,.app-container textarea,.app-container select{-webkit-user-select:text;user-select:text}.app-container{font-family:var(--font-family);background-color:var(--bg-app);color:var(--text-primary);letter-spacing:.01em;grid-template-areas:"header header header""sidebar canvas properties";grid-template-columns:var(--sidebar-width)1fr var(--properties-width);grid-template-rows:var(--header-height)1fr;border:1px solid var(--border-color);border-radius:12px;width:100%;height:100%;min-height:600px;font-size:13px;display:grid;overflow:hidden}.app-header{background-color:var(--bg-header);border-bottom:var(--glass-border);padding:0 var(--spacing-md);z-index:50;grid-area:header;justify-content:space-between;align-items:center;display:flex}.header-left{align-items:center;gap:var(--spacing-lg);display:flex}.app-title{color:var(--text-primary);align-items:center;gap:var(--spacing-sm);white-space:nowrap;font-size:15px;font-weight:600;display:flex}.app-title i{color:var(--accent-color);font-size:18px}.header-controls{flex-shrink:0;align-items:center;gap:8px;display:flex}.app-menu{align-items:center;gap:4px;display:flex}.menu-dropdown{align-items:center;height:100%;display:flex;position:relative}.menu-item{color:var(--text-secondary);border-radius:var(--radius-sm);background:0 0;height:32px;padding:6px 12px;font-size:13px;font-weight:500;transition:all .2s}.menu-dropdown:hover .menu-item{background-color:var(--hover-bg);color:var(--text-primary)}.dropdown-content{background-color:var(--bg-dropdown);border:var(--glass-border);border-radius:var(--radius-md);min-width:180px;margin-top:4px;padding:6px;animation:.15s ease-out slideDown;display:none;position:absolute;top:100%;left:0}@keyframes slideDown{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.menu-dropdown:hover .dropdown-content{display:block}.dropdown-content button{color:var(--text-primary);text-align:left;border-radius:var(--radius-sm);padding:8px 12px;font-size:13px}.dropdown-content button:hover{background-color:var(--accent-color);color:#fff}.menu-separator{background-color:var(--border-color);height:1px;margin:4px 0}.tools-sidebar{background-color:var(--bg-panel);border-right:var(--glass-border);z-index:40;scroll-behavior:smooth;flex-direction:column;grid-area:sidebar;align-content:start;gap:0;height:100%;min-height:0;max-height:100%;padding:12px 10px 30px;display:flex;overflow:hidden auto}.toolbar-section-label{background:var(--hover-bg);border:var(--glass-border);box-sizing:border-box;border-radius:8px;justify-content:center;align-items:center;width:100%;margin:8px 0 12px;padding:6px 10px;display:flex}.toolbar-section-label span{letter-spacing:1px;color:var(--text-secondary);text-transform:uppercase;text-align:center;font-size:10px;font-weight:700}.toolbar-section-label:after{display:none}.toolbar-section-label:first-child{margin-top:0}.toolbar-section-label i:first-child{color:var(--text-secondary);opacity:1;font-size:14px}.toolbar-section-label span{letter-spacing:.7px;color:var(--text-secondary);text-transform:uppercase;text-align:center;opacity:.9;flex:1;font-size:9px;font-weight:700;line-height:1.1}.section-chevron{transition:transform .3s;color:var(--text-secondary)!important;opacity:1!important;filter:none!important;font-size:10px!important}.toolbar-section-label.collapsed .section-chevron{transform:rotate(-90deg)}.toolbar-section-tools{opacity:1;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:0;transition:max-height .3s,opacity .3s,margin .3s;display:grid}.toolbar-section-tools.collapsed{opacity:0;max-height:0;margin-bottom:0;display:none}.toolbar-separator{border-bottom:var(--glass-border);background:0 0;flex-shrink:0;width:100%;height:0;margin:16px 0}.properties-panel{background-color:var(--bg-panel);border-left:var(--glass-border);scroll-behavior:smooth;z-index:40;grid-area:properties;height:100%;min-height:0;max-height:100%;display:block;overflow-y:auto}.panel-section{border-bottom:var(--glass-border);padding:var(--spacing-lg)}.panel-header{text-transform:uppercase;color:var(--text-secondary);margin-bottom:var(--spacing-md);letter-spacing:.8px;justify-content:space-between;align-items:center;font-size:11px;font-weight:700;display:flex}.canvas-area{background-color:var(--bg-canvas);background-image:linear-gradient(#0000000d 1px,#0000 1px),linear-gradient(90deg,#0000000d 1px,#0000 1px);background-size:40px 40px;grid-area:canvas;justify-content:center;align-items:center;padding-bottom:80px;display:flex;position:relative;overflow:hidden}#cadCanvas{background-color:var(--bg-canvas);border-radius:4px}.app-container button{color:var(--text-primary);cursor:pointer;border-radius:var(--radius-sm);font-family:var(--font-family);background:0 0;border:none;justify-content:center;align-items:center;font-weight:500;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.tool-btn{width:54px;min-width:54px;height:54px;min-height:54px;color:var(--text-secondary);border:1px solid var(--border-color);background:var(--input-bg);border-radius:10px;flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:4px;padding:5px 4px;font-size:16px;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.tool-btn i{font-size:18px;line-height:1;transition:transform .2s}.tool-btn span{text-transform:uppercase;letter-spacing:.3px;white-space:nowrap;color:var(--text-secondary);font-size:8px;font-weight:600;line-height:1.1;transition:color .2s}.tool-btn:hover{background:var(--hover-bg);border-color:var(--glass-border-hover);color:var(--text-primary)}.tool-btn:hover i{transform:scale(1.1)}.tool-btn:hover span{color:var(--text-primary)}.tool-btn.active{background:var(--active-bg);color:var(--accent-color);border:1px solid var(--accent-color)}.tool-btn.active i{color:var(--text-primary);transform:scale(1.1)}.tool-btn.active span{color:var(--text-primary);font-weight:700}.primary-tools-section{flex-direction:column;flex-shrink:0;gap:0;margin-bottom:0;padding:0;display:flex}.section-title{letter-spacing:.8px;color:var(--text-secondary);text-align:center;opacity:.7;text-transform:uppercase;margin-bottom:4px;font-size:9px;font-weight:700}.primary-tools-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.app-container .tool-btn-primary,.app-container .tool-btn-secondary{aspect-ratio:1;width:100%;height:auto;min-height:unset;background:var(--input-bg);border:var(--glass-border);cursor:pointer;box-shadow:none;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:12px 4px;transition:all .2s;display:flex}.app-container .tool-btn-primary i,.app-container .tool-btn-secondary i{color:var(--text-secondary);font-size:22px;transition:all .2s}.app-container .tool-btn-primary span,.app-container .tool-btn-secondary span{text-transform:uppercase;letter-spacing:.6px;color:var(--text-secondary);font-size:9px;font-weight:700;font-family:var(--font-family)}.app-container .tool-btn-primary:hover,.app-container .tool-btn-secondary:hover{background:var(--hover-bg);border-color:var(--glass-border-hover)}.app-container .tool-btn-primary:hover i,.app-container .tool-btn-secondary:hover i,.app-container .tool-btn-primary:hover span,.app-container .tool-btn-secondary:hover span{color:var(--text-primary)}.app-container .tool-btn-primary.active,.app-container .tool-btn-secondary.active{border:1px solid var(--accent-color);background:#58a6ff33}.app-container .tool-btn-primary.active i,.app-container .tool-btn-secondary.active i{color:#4cc2ff}.app-container .tool-btn-primary.active span,.app-container .tool-btn-secondary.active span{color:var(--text-primary)}.app-container :focus{outline:none}.tool-btn:focus-visible{outline:2px solid var(--accent-color);outline-offset:0px}.section-button:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px;background-color:var(--hover-bg)}.menu-item:focus-visible{outline:2px solid var(--accent-color);outline-offset:-2px}.btn-standard:focus-visible{outline:2px solid var(--accent-color);outline-offset:0px}.app-container input:focus-visible,.app-container select:focus-visible,.app-container textarea:focus-visible{outline:2px solid var(--accent-color);outline-offset:1px}.zoom-btn:focus-visible{outline:2px solid var(--accent-color);outline-offset:0px}.tool-btn:disabled,.btn-standard:disabled,.zoom-btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none;filter:grayscale(.5)}.btn-standard{background-color:var(--input-bg);border:var(--glass-border);color:var(--text-primary);gap:8px;padding:6px 14px;font-size:13px}.btn-standard:hover{background-color:var(--hover-bg);border-color:#bbb}.btn-primary{background-color:var(--accent-color);color:#fff;border:none}.btn-primary:hover{background-color:var(--accent-hover)}.btn-primary:active{transform:translateY(0)}.btn-primary.export-button{background-color:#fff;border-radius:4px;padding:8px 16px;font-size:13px;font-weight:500;transition:background-color .2s;box-shadow:0 1px 2px #0000000d;color:#1d4ed8!important;border:1px solid #1d4ed8!important}.btn-primary.export-button:hover{background-color:#f0f7ff;box-shadow:0 1px 2px #0000000d;color:#1d4ed8!important}.property-row{margin-bottom:var(--spacing-lg);flex-direction:column;gap:8px;display:flex}.property-row label{color:var(--text-secondary);font-size:12px;font-weight:500}.inline-row{gap:var(--spacing-sm);display:flex}.app-container input[type=text],.app-container input[type=number],.app-container select{background-color:var(--input-bg);border:var(--glass-border);color:var(--text-primary);border-radius:var(--radius-sm);outline:none;width:100%;padding:10px 12px;font-family:inherit;font-size:13px;transition:all .2s}.app-container input:hover,.app-container select:hover{border:var(--glass-border-hover);background-color:#0000000d}.app-container select option{background-color:var(--bg-dropdown);color:var(--text-primary)}.app-container input:focus,.app-container select:focus{border-color:var(--accent-color);background-color:#0006;box-shadow:0 0 0 2px #3b82f633}.app-container input[type=file]::file-selector-button{color:var(--text-primary);border-radius:var(--radius-sm);cursor:pointer;background-color:#ffffff1a;border:none;margin-right:12px;padding:6px 12px;font-size:12px;transition:background .2s}.app-container input[type=file]::file-selector-button:hover{background-color:#ffffff26}.floating-controls{background:var(--bg-panel);border:1px solid #dcdcdc;border-bottom:none;border-radius:14px 14px 0 0;flex-direction:row;align-items:center;gap:16px;padding:12px 20px 16px;display:flex;position:absolute;bottom:0;left:50%;transform:translate(-50%);z-index:9999!important}.zoom-btn{background:var(--bg-panel);border:var(--glass-border);width:36px;height:36px;color:var(--text-primary);border-radius:6px;flex-shrink:0;font-size:13px;transition:all .2s cubic-bezier(.4,0,.2,1)}.zoom-btn:hover{background:var(--accent-color);border-color:var(--accent-hover);color:#fff}.zoom-controls{flex-direction:row;align-items:center;gap:10px;display:flex}.zoom-display{text-align:center;min-width:56px;color:var(--text-primary);background:var(--bg-panel);border:var(--glass-border);border-radius:6px;padding:8px 12px;font-size:12px;font-weight:700}.control-separator{background:linear-gradient(#0000,#ffffff4d,#0000);width:1px;height:32px}.tool-status{background:var(--bg-panel);border:var(--glass-border);text-align:center;border-radius:8px;flex-direction:row;align-items:center;gap:10px;padding:8px 14px;display:flex}.tool-status i{color:var(--text-secondary);font-size:16px}.tool-status span{color:var(--text-primary);white-space:nowrap;font-size:12px;font-weight:600}.info-icon{color:var(--text-secondary);cursor:help;font-size:14px;transition:color .2s}.info-icon:hover{color:var(--accent-color)}.info-image-popover{background:var(--bg-dropdown);width:240px;-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border:var(--glass-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:100;padding:8px;animation:.2s ease-out fadeIn;display:none;position:absolute;top:0;right:32px}.info-icon:hover .info-image-popover{display:block}.info-image-popover img{border-radius:var(--radius-sm);border:1px solid #ffffff1a;width:100%}#variantImage,.variant-image{object-fit:contain;filter:invert()brightness(.9);opacity:.9;width:auto;max-width:100%;height:auto;max-height:35px;transition:opacity .2s}#variantImage:hover,.variant-image:hover{opacity:1}#arcInputs{gap:var(--spacing-sm);flex-direction:column;animation:.3s fadeIn}.header-controls>div{background-color:#ffffff26!important}.collapsible-section{border-bottom:var(--glass-border);overflow:hidden}.app-container .section-button{cursor:pointer;width:100%;color:var(--text-primary);background:0 0;border:none;border-radius:0;justify-content:space-between;align-items:center;padding:14px 20px;transition:all .2s;display:flex}.app-container .section-button:hover{background-color:var(--hover-bg)}.app-container .section-button.active{background-color:var(--active-bg)}.button-content{align-items:center;gap:0;display:flex}.section-icon{width:60px;height:60px;color:var(--text-secondary);filter:brightness(0)saturate(0%)invert(90%)grayscale();opacity:.9;border-right:1px solid var(--theme-bg-hover);flex-shrink:0;margin-right:12px;padding-right:12px;transition:opacity .2s}.app-container .section-button:hover .section-icon{opacity:1;filter:brightness(0)saturate(0%)invert()grayscale()}.button-content span{color:var(--text-primary);font-size:13px;font-weight:500}.toggle-arrow{color:var(--text-secondary);font-size:12px;transition:transform .3s;opacity:1!important;visibility:visible!important}.app-container .section-button.active .toggle-arrow{transform:rotate(180deg)}.section-content{max-height:0;transition:max-height .3s cubic-bezier(.4,0,.2,1);overflow:hidden}.section-content.collapsed{max-height:0}.content-inner{background-color:#0003;padding:16px 20px 24px}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#fff3}.keyboard-toast{color:var(--text-primary);opacity:0;pointer-events:none;z-index:9999;letter-spacing:.3px;background:#161b22;border:1px solid #ffffff1a;border-radius:8px;padding:10px 20px;font-size:13px;font-weight:600;transition:all .3s cubic-bezier(.16,1,.3,1);position:fixed;top:80px;left:50%;transform:translate(-50%)translateY(-20px);box-shadow:0 12px 32px #00000080}.keyboard-toast.show{opacity:1;transform:translate(-50%)translateY(0)}.loading-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10000;background:#0f1012e6;flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;animation:.2s ease-out fadeIn;display:flex;position:fixed;top:0;left:0}.spinner{border:4px solid #3b82f633;border-top-color:var(--accent-color);border-radius:50%;width:50px;height:50px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay p{color:var(--text-primary);margin-top:20px;font-size:14px;font-weight:500}#toastContainer{z-index:10000;pointer-events:none;flex-direction:column;gap:12px;display:flex;position:fixed;top:80px;right:24px}.toast{min-width:280px;max-width:420px;color:var(--text-primary);opacity:0;pointer-events:auto;background:#161b22;border:1px solid #ffffff1a;border-radius:12px;align-items:center;gap:14px;padding:14px 20px;font-size:13px;font-weight:500;transition:all .4s cubic-bezier(.16,1,.3,1);display:flex;transform:translate(50px)scale(.95);box-shadow:0 12px 40px #0009}.toast.show{opacity:1;transform:translate(0)scale(1)}.toast-icon{background:#ffffff0d;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:15px;display:flex}.toast-content{flex:1}.toast-message{line-height:1.5;display:block}.toast-success{background:linear-gradient(90deg,#3fb9500d,#0000),#161b22;border-left:3px solid #3fb950}.toast-success .toast-icon{color:#3fb950;background:#3fb9501a}.toast-error{background:linear-gradient(90deg,#f851490d,#0000),#161b22;border-left:3px solid #f85149}.toast-error .toast-icon{color:#f85149;background:#f851491a}.toast-warning{background:linear-gradient(90deg,#d299220d,#0000),#161b22;border-left:3px solid #d29922}.toast-warning .toast-icon{color:#d29922;background:#d299221a}.toast-info{background:linear-gradient(90deg,#58a6ff0d,#0000),#161b22;border-left:3px solid #58a6ff}.toast-info .toast-icon{color:#58a6ff;background:#58a6ff1a}#loadingOverlay{-webkit-backdrop-filter:blur(8px);z-index:9999;background:#0f1012d9;flex-direction:column;justify-content:center;align-items:center;gap:20px;display:none;position:fixed;inset:0}#loadingText{color:var(--text-primary);letter-spacing:.5px;font-size:16px;font-weight:500}.loading-spinner{border:4px solid #3b82f633;border-top-color:var(--accent-color);border-radius:50%;width:50px;height:50px;animation:.8s linear infinite spin}@media screen and (max-width:1024px){:root{--sidebar-width:60px;--properties-width:280px}.app-container{grid-template-columns:var(--sidebar-width)1fr var(--properties-width)}.tools-sidebar{grid-template-columns:1fr;gap:8px;padding:8px 4px}.tool-btn{width:42px;min-width:42px;height:42px;min-height:42px}.tool-btn i{font-size:16px}.tool-btn span,.section-title{display:none}.primary-tools-grid{grid-template-columns:1fr}.tool-btn-primary{flex-direction:row;height:42px;min-height:42px}.tool-btn-primary span{display:none}.tool-btn-primary i{transform:none}.toolbar-section-label span{display:none}.toolbar-section-label{justify-content:center;padding:6px}.section-chevron{display:none}.toolbar-section-tools{grid-template-columns:1fr}}@media screen and (max-width:768px){:root{--header-height:56px;--sidebar-height:60px}.app-container{flex-direction:column;height:100vh;display:flex;overflow:hidden}.app-header{flex-shrink:0;justify-content:space-between;padding:0 12px}.app-menu,.header-left .app-title span{display:none}.header-left .app-title img{height:28px}.header-controls{gap:4px}.header-controls .btn-standard{padding:6px 8px}.header-controls .btn-standard span{display:none}.canvas-area{flex:1;order:1;width:100%;padding-bottom:80px}#cadCanvas{object-fit:contain;width:100%;height:100%}.tools-sidebar{width:100%;height:var(--sidebar-height);border-right:none;border-top:var(--glass-border);flex-direction:row;order:2;justify-content:flex-start;align-items:center;gap:12px;padding:0 12px;display:flex;overflow:auto hidden}.primary-tools-section{flex-direction:row;width:auto;margin-bottom:0}.primary-tools-grid{flex-direction:row;gap:8px;display:flex}.tool-btn,.tool-btn-primary,.tool-btn-secondary{border-radius:8px;width:44px;min-width:44px;height:44px;min-height:44px}.tool-btn span,.tool-btn-secondary span,.tool-btn-primary span,.section-title{display:none}.toolbar-separator{width:1px;height:30px;margin:0 4px}.toolbar-section-label{display:none}.toolbar-section-tools{max-height:unset;opacity:1;flex-direction:row;gap:8px;margin:0;display:flex}.properties-panel{top:var(--header-height);background:var(--bg-panel);z-index:200;width:280px;transition:transform .3s cubic-bezier(.4,0,.2,1);position:fixed;bottom:0;right:0;transform:translate(100%);box-shadow:-4px 0 16px #0000004d}.properties-panel.show{transform:translate(0)}.floating-controls{border-radius:12px;flex-wrap:wrap;justify-content:center;gap:8px;width:90%;padding:8px 12px;bottom:70px}.zoom-display{display:none}#btnToggleProperties{display:flex!important}}.three-d-modal{z-index:1000;background:#000000f2;flex-direction:column;animation:.3s ease-out fadeIn3D;display:flex;position:fixed;inset:0}@keyframes fadeIn3D{0%{opacity:0}to{opacity:1}}.three-d-header{background:var(--bg-header);border-bottom:var(--glass-border);justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.three-d-header h3{color:var(--text-primary);align-items:center;gap:10px;margin:0;font-size:16px;font-weight:600;display:flex}.three-d-header h3 i{color:#3b82f6;font-size:20px}.three-d-controls{align-items:center;gap:12px;display:flex}.three-d-controls label{color:var(--text-secondary);font-size:13px;font-weight:500}.three-d-controls input[type=range]{background:var(--input-bg);appearance:none;cursor:pointer;border-radius:3px;outline:none;width:120px;height:6px}.three-d-controls input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent-color);cursor:pointer;border-radius:50%;width:16px;height:16px;transition:transform .2s}.three-d-controls input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.three-d-controls span#depthValue{color:var(--accent-color);text-align:center;min-width:30px;font-weight:600}.btn-close-3d{width:36px;height:36px;color:var(--text-primary);cursor:pointer;background:#ffffff1a;border:1px solid #fff3;border-radius:6px;justify-content:center;align-items:center;margin-left:12px;font-size:16px;transition:all .2s;display:flex}.btn-close-3d:hover{background:#ef4444;border-color:#ef4444;transform:scale(1.05)}#threeDContainer{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f0f23 100%);flex:1;width:100%;position:relative;overflow:hidden}#threeDContainer canvas{width:100%!important;height:100%!important}.three-d-instructions{background:var(--bg-header);border-top:var(--glass-border);justify-content:center;gap:30px;padding:10px 20px;display:flex}.three-d-instructions span{color:var(--text-secondary);align-items:center;gap:6px;font-size:12px;display:flex}.three-d-instructions span i{color:var(--accent-color);font-size:14px}.btn-3d{background:linear-gradient(135deg,var(--accent-color)0%,#1d4ed8 100%);color:#fff;font-weight:600;position:relative;overflow:hidden}.btn-3d:before{content:"";background:linear-gradient(90deg,#0000,#fff3,#0000);width:100%;height:100%;transition:left .5s;position:absolute;top:0;left:-100%}.btn-3d:hover:before{left:100%}.btn-3d:hover{background:linear-gradient(135deg,#60a5fa 0%,#3b82f6 100%);transform:translateY(-1px);box-shadow:0 4px 12px #3b82f666}.btn-3d i{font-size:14px}@media (max-width:768px){.three-d-controls{gap:8px}.three-d-controls input[type=range]{width:80px}.three-d-controls label{display:none}.three-d-instructions{flex-wrap:wrap;gap:15px;padding:8px 12px}.three-d-instructions span{font-size:11px}}.shape-dropdown-container{flex-direction:column;display:flex;position:relative}.shape-dropdown-container .tool-btn-primary{width:100%}.shape-dropdown{z-index:200;background:var(--bg-dropdown,#1e1e2e);border:1px solid var(--border-color,#3b3b4f);border-radius:8px;min-width:130px;margin-top:4px;padding:6px;animation:.15s ease-out slideDown;position:absolute;top:100%;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0006}.shape-dropdown button{width:100%;color:var(--text-secondary,#888);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:8px;padding:8px 10px;font-size:12px;transition:all .2s;display:flex}.shape-dropdown button:hover{background:var(--hover-bg,#2a2a3e);color:var(--text-primary,#fff)}.shape-dropdown button i{text-align:center;width:16px;color:var(--accent-blue,#3b82f6);font-size:12px}.snap-toggle{color:var(--text-secondary);background:var(--bg-tertiary);border-radius:var(--radius-sm);align-items:center;gap:6px;padding:4px 8px;font-size:12px;display:flex}.snap-toggle input[type=checkbox]{cursor:pointer;width:14px;height:14px}