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var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);min-width:160px;z-index:101;overflow:hidden;animation:dropdownEnter .2s ease-out;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}@keyframes dropdownEnter{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.device-selector-option{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-3) var(--space-4);background:transparent;border:none;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);font-family:var(--font-family);color:var(--text-primary);cursor:pointer;transition:all var(--transition-base);text-align:left;position:relative}.device-selector-option:hover{background:var(--bg-hover);color:var(--text-primary)}.device-selector-option.active{background:var(--color-primary-50);color:var(--color-primary-700)}.device-selector-option svg{color:var(--color-primary-600);flex-shrink:0}.device-selector-option.active 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16px;flex-wrap:wrap;gap:8px;position:sticky;top:0;z-index:50;background:#fffffffa;box-shadow:0 2px 4px #0000000d;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.builder-canvas.mobile-preview .canvas-header{background:#1a1a1afa;border-bottom:1px solid rgba(255,255,255,.1)}.builder-canvas.mobile-preview .canvas-header h2{color:#fff}.canvas-header h2{font-size:13px}.canvas-info{font-size:11px}.canvas-header select{font-size:13px;padding:6px 10px;min-height:36px}.canvas-properties-btn{font-size:12px!important;padding:6px 10px!important;min-height:36px}.canvas-empty{min-height:300px;padding:24px 16px;margin:16px 8px;border-radius:16px}.empty-icon{font-size:48px;margin-bottom:12px}.canvas-empty h3{font-size:18px}.canvas-empty p{font-size:13px}.builder-canvas.mobile-preview{padding:20px 16px;padding-top:calc(20px + env(safe-area-inset-top,0px));overflow-y:auto;overflow-x:hidden}.builder-canvas.mobile-preview .mobile-device-frame{max-width:calc(100vw - 32px);width:calc(100vw - 32px);margin-top:0}.builder-canvas.mobile-preview .device-screen{border-radius:24px}}@media (max-width: 480px){.canvas-content{padding:12px 8px;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain}.builder-canvas.mobile-preview{padding:16px 12px;padding-top:calc(16px + env(safe-area-inset-top,0px));overflow-y:auto;overflow-x:hidden}.builder-canvas.mobile-preview .mobile-device-frame{max-width:calc(100vw - 24px);width:calc(100vw - 24px);margin-top:0}.canvas-header{padding:8px 10px;flex-direction:column;align-items:flex-start;gap:8px}.canvas-header h2{font-size:12px}.canvas-header>div{width:100%;display:flex;justify-content:space-between;align-items:center}.canvas-info{font-size:10px}.canvas-header select{font-size:12px;padding:5px 8px;min-height:32px;flex:1;max-width:120px}.canvas-properties-btn{font-size:11px!important;padding:5px 8px!important;min-height:32px}.canvas-components{gap:12px}.canvas-empty{min-height:250px;padding:20px 12px;margin:12px 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var(--transition-base)}.component-palette::-webkit-scrollbar-thumb:hover{background:var(--color-gray-400)}@media (max-width: 768px){.component-palette.mobile-palette{width:100%;min-width:100%;position:fixed;top:56px;left:0;right:0;bottom:0;z-index:var(--z-sticky);background:var(--bg-primary);transform:translate(-100%);transition:transform var(--transition-slow);box-shadow:var(--shadow-xl);border-right:none;display:flex;flex-direction:column;overflow:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;height:calc(100dvh - 56px);max-height:calc(100dvh - 56px)}.component-palette.mobile-palette:not(.closed){transform:translate(0)}.component-palette.mobile-palette.closed{transform:translate(-100%)}.component-palette.mobile-palette:not(.closed):before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:-1;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.component-palette.mobile-palette 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var(--transition-base);min-height:48px;touch-action:manipulation;-webkit-tap-highlight-color:transparent;box-shadow:var(--shadow-xs)}.palette-toggle-btn-mobile:hover{background:var(--bg-hover);border-color:var(--border-medium);box-shadow:var(--shadow-sm)}.palette-toggle-btn-mobile.active{background:var(--gradient-primary);color:var(--text-inverse);border-color:var(--color-primary-600);box-shadow:var(--shadow-primary)}.palette-toggle-btn-mobile:active{transform:scale(.98)}.palette-toggle-btn-mobile svg{flex-shrink:0}.palette-toggle-btn-mobile span{flex:1;text-align:center}.component-palette.mobile-palette .palette-search{padding:14px 16px;font-size:16px;min-height:48px;border-radius:12px;border:2px solid #e5e7eb;margin-bottom:12px;touch-action:manipulation;-webkit-appearance:none;-moz-appearance:none;appearance:none}.component-palette.mobile-palette .palette-search:focus{border-color:#667eea;box-shadow:0 0 0 4px #667eea1a;transform:none}.component-palette.mobile-palette .palette-categories{gap:6px;margin-bottom:4px}.component-palette.mobile-palette .palette-categories button{padding:10px 14px;font-size:12px;min-height:40px;border-radius:10px;touch-action:manipulation;-webkit-tap-highlight-color:transparent;flex:1;min-width:0;white-space:nowrap;overflow:visible;text-overflow:clip}.component-palette.mobile-palette .palette-categories button:active{transform:scale(.96);background:#f3f4f6}.component-palette.mobile-palette .palette-categories button.active:active{transform:scale(.96)}.component-palette.mobile-palette .palette-items{flex:1 1 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0;flex-shrink:0}.component-palette.mobile-palette .palette-item-info{flex:1;min-width:0}.component-palette.mobile-palette .palette-item-label{font-size:15px;font-weight:600;margin-bottom:4px;word-wrap:break-word;overflow-wrap:break-word;white-space:normal;overflow:visible;line-height:1.4}.component-palette.mobile-palette .palette-item-desc{font-size:13px;color:#6b7280;white-space:normal;line-height:1.5;word-wrap:break-word;overflow-wrap:break-word;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;max-height:4.5em}.component-palette.mobile-palette .palette-template-item{padding:16px!important;margin-bottom:12px!important;border-radius:14px!important;min-height:80px;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.component-palette.mobile-palette .palette-template-item:active{transform:scale(.98)!important;background:#f9fafb!important;box-shadow:0 2px 8px #0000001a!important}.component-palette.mobile-palette .palette-template-name{font-size:15px!important;word-wrap:break-word;overflow-wrap:break-word;white-space:normal;line-height:1.4}.component-palette.mobile-palette .palette-template-desc{font-size:13px!important;word-wrap:break-word;overflow-wrap:break-word;white-space:normal;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.component-palette.mobile-palette .palette-item:hover,.component-palette.mobile-palette .palette-item:hover .palette-item-icon{transform:none}}.palette-header{padding:var(--space-4);background:var(--bg-primary);border-bottom:1px solid var(--border-light);flex-shrink:0;box-shadow:var(--shadow-xs)}.palette-header h2{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0 0 var(--space-3) 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