:root{--md-sys-color-primary-light:#006496;--md-sys-color-on-primary-light:#ffffff;--md-sys-color-primary-container-light:#cce5ff;--md-sys-color-on-primary-container-light:#001e31;--md-sys-color-secondary-light:#51606f;--md-sys-color-on-secondary-light:#ffffff;--md-sys-color-secondary-container-light:#d4e4f6;--md-sys-color-on-secondary-container-light:#0d1d2a;--md-sys-color-tertiary-light:#67587a;--md-sys-color-on-tertiary-light:#ffffff;--md-sys-color-tertiary-container-light:#ecdcff;--md-sys-color-on-tertiary-container-light:#221534;--md-sys-color-error-light:#ba1a1a;--md-sys-color-on-error-light:#ffffff;--md-sys-color-error-container-light:#ffdad6;--md-sys-color-on-error-container-light:#410002;--md-sys-color-background-light:#f8faff;--md-sys-color-on-background-light:#1a1c1e;--md-sys-color-surface-light:#f8faff;--md-sys-color-on-surface-light:#1a1c1e;--md-sys-color-surface-container-low-light:#f2f4f7;--md-sys-color-surface-variant-light:#dee3eb;--md-sys-color-on-surface-variant-light:#42474e;--md-sys-color-outline-light:#72777f;--md-sys-color-outline-variant-light:#c2c7cf;--md-sys-color-shadow-light:#000000;--md-sys-color-inverse-surface-light:#2f3133;--md-sys-color-inverse-on-surface-light:#f0f0f3;--md-sys-color-inverse-primary-light:#92ccff;--md-ref-typeface-plain:'Roboto Flex',sans-serif;--handle-size:40px}[data-theme=light]{--bg-color:var(--md-sys-color-background-light);--surface-color:var(--md-sys-color-surface-light);--surface-container-low-color:var(--md-sys-color-surface-container-low-light);--primary-color:var(--md-sys-color-primary-light);--on-primary-color:var(--md-sys-color-on-primary-light);--primary-container-color:var(--md-sys-color-primary-container-light);--on-primary-container-color:var(--md-sys-color-on-primary-container-light);--secondary-container-color:var(--md-sys-color-secondary-container-light);--on-secondary-container-color:var(--md-sys-color-on-secondary-container-light);--text-color:var(--md-sys-color-on-surface-light);--text-color-secondary:var(--md-sys-color-on-surface-variant-light);--outline-color:var(--md-sys-color-outline-light);--outline-variant-color:var(--md-sys-color-outline-variant-light);--shadow-color:var(--md-sys-color-shadow-light);--error-color:var(--md-sys-color-error-light);--inverse-surface-color:var(--md-sys-color-inverse-surface-light);--inverse-on-surface-color:var(--md-sys-color-inverse-on-surface-light)}[data-theme=dark]{--bg-color:#121212;--surface-color:#1E1E1E;--surface-container-low-color:#242424;--primary-color:var(--md-sys-color-inverse-primary-light);--on-primary-color:#003450;--primary-container-color:#004b71;--on-primary-container-color:#cce5ff;--secondary-container-color:#394857;--on-secondary-container-color:#d4e4f6;--text-color:#e2e2e5;--text-color-secondary:#c2c7cf;--outline-color:#8c9199;--outline-variant-color:#42474e;--shadow-color:#000000;--error-color:#ffb4ab;--inverse-surface-color:var(--md-sys-color-inverse-surface-light);--inverse-on-surface-color:var(--md-sys-color-inverse-on-surface-light)}*,::after,::before{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{margin:0;padding:0;font-family:var(--md-ref-typeface-plain);background-color:var(--bg-color);color:var(--text-color);min-height:100vh;width:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#global-header{height:64px;background-color:var(--surface-color);border-bottom:1px solid var(--outline-variant-color);display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:1000;position:fixed;top:0;left:0;right:0;transition:transform .3s,opacity .3s;transform:translateY(0);opacity:1}.header-hidden #global-header{transform:translateY(-100%);opacity:0;pointer-events:none}.header-section{display:flex;align-items:center;gap:8px}.header-left{flex:0 0 auto}.header-center{text-align:center;flex:1 1 auto;min-width:0}.header-right{flex:0 0 auto;justify-content:flex-end}#global-header h1{font-size:clamp(1rem, 3.4vw, 1.5rem);font-weight:700;color:var(--primary-color);margin:0;line-height:1.2;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.header-btn{display:flex;align-items:center;justify-content:center;background:0 0;border:none;color:var(--text-color-secondary);padding:8px;border-radius:12px;cursor:pointer;transition:.2s;min-width:48px;height:48px;position:relative}.header-btn:hover{background-color:var(--surface-container-low-color);color:var(--primary-color)}.header-btn.active{color:var(--primary-color);background-color:var(--primary-container-color)}.material-symbols-rounded{overflow:hidden}.dropdown{position:relative}.dropdown-content{position:absolute;top:100%;right:0;background-color:var(--surface-color);border:1px solid var(--outline-variant-color);border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.1);min-width:160px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:.2s;z-index:1001;max-height:50vh;overflow-y:scroll}.dropdown.active .dropdown-content{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-item a{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;transition:background-color .2s;border-radius:8px;margin:4px;color:var(--text-color);text-decoration:none}.dropdown-item a:hover{background-color:var(--surface-container-low-color)}.dropdown-item.active{background-color:var(--primary-container-color);color:var(--primary-color)}#mobile-menu{position:fixed;top:64px;left:-280px;width:280px;height:calc(100vh - 64px);background-color:var(--surface-color);border-right:1px solid var(--outline-variant-color);padding:20px;transition:left .3s;z-index:999;overflow-y:auto}#mobile-menu.active{left:0}.header-hidden #mobile-menu{top:0;height:100vh}.menu-overlay{position:fixed;top:64px;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);opacity:0;visibility:hidden;transition:.3s;z-index:998}.menu-overlay.active{opacity:1;visibility:visible}.header-hidden .menu-overlay{top:0}.menu-item{display:flex;align-items:center;gap:12px;cursor:pointer;border-radius:12px;transition:background-color .2s;margin-bottom:4px}.menu-item:hover{background-color:var(--surface-container-low-color)}.menu-item a{text-decoration:none;color:var(--text-color);display:flex;align-items:center;gap:12px}.menu-section{margin-bottom:24px}.menu-title{font-size:.875rem;color:var(--text-color-secondary);margin:0 0 12px;padding:0 12px;text-transform:uppercase;letter-spacing:.5px;font-weight:700}#app{display:flex;flex-direction:column;min-height:100vh;width:100%;padding-top:64px;transition:padding-top .3s}.header-hidden #app{padding-top:0}.main-content{flex:1;min-height:calc(100vh - 64px);transition:min-height .3s}.header-hidden .main-content{min-height:100vh}.hidden{display:none!important}.screen{flex-grow:1;display:flex;flex-direction:column;width:100%;height:calc(100vh - 64px);position:absolute;top:0;left:0;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,height .3s}.screen.active{opacity:1;visibility:visible}.header-hidden .screen{height:100vh}#welcome-screen{justify-content:center;align-items:center;gap:24px;padding:20px}.welcome-content{text-align:center;max-width:320px}.welcome-subtitle{font-size:1rem;color:var(--text-color-secondary);margin-bottom:32px}.upload-options{display:flex;flex-direction:column;gap:16px;width:100%}.upload-btn{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px 24px;border:none;border-radius:28px;font-size:1rem;font-weight:500;cursor:pointer}#upload-file-btn{background-color:var(--primary-color);color:var(--on-primary-color)}#open-camera-btn{background-color:var(--secondary-container-color);color:var(--on-secondary-container-color)}.upload-btn:hover{box-shadow:0 4px 12px rgba(0,0,0,.1)}.article-section{background-color:var(--surface-container-low-color);padding:80px 20px;width:100%}.article-container{max-width:1200px;margin:0 auto}.article-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px;margin-bottom:40px}.article-card{background-color:var(--surface-color);border-radius:16px;padding:24px}.article-icon{width:48px;height:48px;background-color:var(--primary-container-color);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}.article-card-title{font-size:1.25rem;font-weight:600;color:var(--text-color);margin:0 0 12px}.article-card p{color:var(--text-color-secondary);line-height:1.6;margin:0}.how-to-article{margin-top:60px;padding:40px;background-color:var(--surface-color);border-radius:16px}.article-intro{margin-bottom:48px}.article-heading,article h2{color:var(--primary-color);margin-bottom:16px;font-size:1.4rem}.article-text,article p,article ul{color:var(--text-color);line-height:1.7;margin-bottom:24px;font-size:1rem}article ul li{margin-bottom:.5rem}.steps-title{color:var(--primary-color);margin-bottom:32px;font-size:1.8rem;text-align:center}.steps-container{display:flex;flex-direction:column;gap:40px}.step-item{display:flex;align-items:center;gap:24px}.text-center{text-align:center}.steps-container img{width:50%;height:50%}.step-number{background-color:var(--primary-color);color:#fff;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;flex-shrink:0}.step-content{flex:1}.step-title{margin:0 0 8px;color:var(--text-color);font-size:1.3rem}.step-description{margin:0;color:var(--text-color-secondary);line-height:1.5}.step-image{width:200px;height:120px;background:linear-gradient(135deg,#e3f2fd,#bbdefb);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--primary-color);font-weight:500;flex-shrink:0}.step-image-purple{background:linear-gradient(135deg,#f3e5f5,#e1bee7);color:#7b1fa2}.step-image-green{background:linear-gradient(135deg,#e8f5e8,#c8e6c9);color:#2e7d32}.article-cta{text-align:center;margin-top:40px;padding-top:32px;border-top:1px solid var(--outline-variant-color)}.cta-text{color:var(--text-color-secondary);margin:0 0 20px}.cta-button{background-color:var(--primary-color);color:#fff;border:none;padding:14px 28px;border-radius:28px;font-size:1rem;font-weight:600;cursor:pointer;transition:.2s;box-shadow:0 2px 8px rgba(0,0,0,.1)}.cta-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}#footer{background-color:var(--surface-color);border-top:1px solid var(--outline-variant-color);padding:40px 20px 20px;text-align:center}.footer-content{max-width:800px;margin:0 auto}.footer-links{display:flex;justify-content:center;gap:32px;margin-bottom:20px;flex-wrap:wrap}.footer-link{color:var(--text-color-secondary);text-decoration:none;transition:color .2s}.footer-link:hover{color:var(--primary-color)}.footer-copyright{color:var(--text-color-secondary);font-size:.875rem}#editor-screen{flex-direction:row}#page-thumbnails-container{width:240px;background-color:var(--surface-container-low-color);border-right:1px solid var(--outline-variant-color);padding:16px;overflow-y:auto;flex-shrink:0;display:flex;flex-direction:column}#page-thumbnails{display:flex;flex-direction:column;gap:12px}.thumbnail-item{position:relative;border:2px solid transparent;border-radius:8px;cursor:grab;padding:4px;background-color:var(--surface-color);box-shadow:0 1px 3px rgba(0,0,0,.1);transition:border-color .2s,box-shadow .2s;overflow:hidden}.thumbnail-item.active{border-color:var(--primary-color);box-shadow:0 2px 8px rgba(var(--primary-color),.3)}.thumbnail-item img{width:100%;height:auto;border-radius:4px;display:block}.page-number{position:absolute;top:8px;left:8px;background-color:rgba(0,0,0,.6);color:#fff;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}#main-content{flex-grow:1;display:flex;flex-direction:column;position:relative;overflow:hidden}#main-header{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;background-color:var(--surface-color);border-bottom:1px solid var(--outline-variant-color);flex-shrink:0}#page-nav{display:flex;align-items:center;gap:8px}#page-counter{font-weight:500;color:var(--text-color-secondary)}#canvas-container{flex-grow:1;display:flex;justify-content:center;align-items:center;padding:20px;overflow:auto;position:relative}#cropper-overlay,#editor-canvas,#paint-canvas{position:absolute;max-width:100%;max-height:100%;object-fit:contain}#editor-canvas{box-shadow:0 4px 12px rgba(0,0,0,.15);background-color:#fff}#cropper-overlay,#paint-canvas.paint-active{pointer-events:all}#paint-canvas{pointer-events:none;z-index:10}#preview-magnifier{position:fixed;width:120px;height:120px;border-radius:50%;border:3px solid var(--primary-color);overflow:hidden;display:none;box-shadow:0 0 15px rgba(0,0,0,.3);pointer-events:none;background-color:#fff;z-index:100}#preview-magnifier canvas{position:absolute;top:0;left:0;width:100%;height:100%}#preview-magnifier::after,#preview-magnifier::before{content:'';position:absolute;top:50%;left:50%;background:red;transform:translate(-50%,-50%)}#preview-magnifier::after{width:2px;height:20px}#preview-magnifier::before{width:20px;height:2px}#toolbars-container{position:relative}.toolbar{display:flex;align-items:center;justify-content:center;gap:8px;padding:8px;background-color:var(--surface-color);border-top:1px solid var(--outline-variant-color);flex-shrink:0;overflow-x:auto;position:relative;justify-content:flex-start}.modal-btn,.sub-toolbar-btn,.toolbar-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;background:0 0;border:none;color:var(--text-color-secondary);padding:8px;border-radius:12px;cursor:pointer;transition:background-color .2s,color .2s;min-width:64px;font-family:var(--md-ref-typeface-plain);font-weight:500;font-size:14px}.modal-btn:hover,.sub-toolbar-btn:hover,.toolbar-btn:hover{background-color:rgba(var(--primary-color),.08)}.sub-toolbar-btn.active,.toolbar-btn.active{color:var(--primary-color);background-color:var(--primary-container-color)}.sub-toolbar-btn span,.toolbar-btn span{margin-top:4px}#crop-confirm-btn,#setup-apply-btn{background-color:var(--primary-color);color:var(--on-primary-color);padding:12px 24px;border-radius:24px}#crop-confirm-btn:hover,#setup-apply-btn:hover{background-color:var(--md-sys-color-primary-container-light);color:var(--md-sys-color-on-primary-container-light)}[data-theme=dark] #crop-confirm-btn:hover,[data-theme=dark] #setup-apply-btn:hover{background-color:#004b71;color:#cce5ff}.sub-toolbar{position:absolute;bottom:100%;left:0;right:0;background:var(--surface-color);border-radius:16px 16px 0 0;opacity:0;visibility:hidden;transition:.3s cubic-bezier(.4, 0, .2, 1);transform:translateY(100%);z-index:100;overflow:hidden}.sub-toolbar.active{opacity:1;visibility:visible;transform:translateY(0)}#adjust-sub-toolbar{height:160px;display:flex;flex-direction:column;gap:0}.adjust-controls{display:flex;overflow-x:auto;overflow-y:hidden;padding:0 20px;gap:24px;flex:1;align-items:center;justify-content:center;scrollbar-width:none;-ms-overflow-style:none;min-height:80px}.adjust-controls::-webkit-scrollbar{display:none}.adjust-control{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:10px;width:84px;cursor:pointer;transition:.2s;padding:12px 8px;border-radius:16px}.adjust-control:hover{transform:translateY(-2px);background:var(--surface-container-low-color);box-shadow:0 2px 8px rgba(0,0,0,.05)}.adjust-control.active{background:var(--primary-container-color);color:var(--primary-color);box-shadow:0 2px 12px rgba(var(--primary-color),.15)}.adjust-icon{width:48px;height:48px;border-radius:50%;background:var(--surface-container-low-color);display:flex;align-items:center;justify-content:center;transition:.2s;position:relative}.adjust-control.active .adjust-icon{border-color:var(--primary-color);background:rgba(var(--primary-color),.1);transform:scale(1.05);box-shadow:0 4px 12px rgba(var(--primary-color),.2)}.adjust-icon .material-symbols-rounded{font-size:24px;color:var(--text-color-secondary);transition:color .2s;font-variation-settings:'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24}.adjust-control.active .adjust-icon .material-symbols-rounded{color:var(--primary-color);font-variation-settings:'FILL' 1,'wght' 500,'GRAD' 0,'opsz' 24}.adjust-value-indicator{position:absolute;bottom:-3px;left:50%;transform:translateX(-50%);width:24px;height:3px;background:var(--outline-variant-color);border-radius:2px;overflow:hidden;box-shadow:inset 0 1px 2px rgba(0,0,0,.1)}.adjust-value-indicator::after{content:'';position:absolute;top:0;left:0;height:100%;background:linear-gradient(90deg,var(--primary-color),rgba(var(--primary-color),.8));border-radius:2px;transition:width .3s cubic-bezier(.4, 0, .2, 1);width:var(--indicator-width,50%);box-shadow:0 1px 3px rgba(var(--primary-color),.3)}.adjust-control.active .adjust-value-indicator{background:rgba(var(--primary-color),.2)}.adjust-control.active .adjust-value-indicator::after{background:var(--primary-color);box-shadow:0 1px 4px rgba(var(--primary-color),.4)}.adjust-label{font-size:11px;font-weight:500;text-align:center;color:var(--text-color-secondary);transition:color .2s;line-height:1.2}.adjust-control.active .adjust-label{color:var(--primary-color);font-weight:600}.adjust-slider-container{position:relative;height:60px;background:var(--surface-container-low-color);border-top:1px solid var(--outline-variant-color);display:flex;align-items:center;padding:0 20px;opacity:0;visibility:hidden;transition:.3s}.adjust-slider-container.active{opacity:1;visibility:visible}.adjust-slider{flex:1;height:4px;background:var(--outline-variant-color);border-radius:2px;position:relative;cursor:pointer}.adjust-slider input[type=range]{width:100%;height:12px;background:0 0;outline:0;-webkit-appearance:none;appearance:none;cursor:pointer;position:relative}.adjust-slider input[type=range]::-webkit-slider-track{width:100%;height:4px;background:var(--outline-variant-color);border-radius:2px;border:none}.adjust-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:var(--primary-color);cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.2);margin-top:-10px}.adjust-slider input[type=range]::-moz-range-track{width:100%;height:4px;background:var(--outline-variant-color);border-radius:2px;border:none}.adjust-slider input[type=range]::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:var(--primary-color);cursor:pointer;border:none;box-shadow:0 2px 8px rgba(0,0,0,.2)}#effects-sub-toolbar{padding:20px 0;height:140px}.effects-scroll{display:flex;overflow-x:auto;overflow-y:hidden;padding:0 20px;gap:16px;height:100%;align-items:center;scrollbar-width:none;-ms-overflow-style:none}.effects-scroll::-webkit-scrollbar{display:none}.effect-card{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:.2s;padding:8px;border-radius:12px}.effect-card:hover{transform:translateY(-2px);background:var(--surface-container-low-color)}.effect-card.active{background:var(--primary-container-color)}.effect-preview{width:60px;height:80px;border-radius:8px;background:var(--surface-container-low-color);border:2px solid var(--outline-variant-color);position:relative;overflow:hidden;transition:.2s}.effect-card.active .effect-preview{border-color:var(--primary-color);box-shadow:0 2px 8px rgba(var(--primary-color),.3)}.effect-preview canvas{width:100%;height:100%;object-fit:cover}.effect-name{font-size:11px;font-weight:500;color:var(--text-color-secondary);text-align:center;transition:color .2s}.effect-card.active .effect-name{color:var(--primary-color);font-weight:600}#paint-sub-toolbar{padding:20px 0;height:200px;display:flex;flex-direction:column;gap:16px}.paint-tools{display:flex;overflow-x:auto;padding:0 20px;gap:16px;align-items:center;scrollbar-width:none;-ms-overflow-style:none}.paint-tools::-webkit-scrollbar{display:none}.paint-tool{flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:.2s;padding:12px;border-radius:16px;width:80px}.paint-tool:hover{transform:translateY(-2px);background:var(--surface-container-low-color)}.paint-tool.active{background:var(--primary-container-color);color:var(--primary-color);box-shadow:0 2px 12px rgba(var(--primary-color),.15)}.paint-tool-icon{width:48px;height:48px;border-radius:50%;background:var(--surface-container-low-color);border:2px solid var(--outline-variant-color);display:flex;align-items:center;justify-content:center;transition:.2s}.paint-tool.active .paint-tool-icon{border-color:var(--primary-color);background:rgba(var(--primary-color),.1);transform:scale(1.05)}.paint-tool-icon .material-symbols-rounded{font-size:24px;color:var(--text-color-secondary);transition:color .2s}.paint-tool.active .paint-tool-icon .material-symbols-rounded{color:var(--primary-color)}.paint-tool-label{font-size:11px;font-weight:500;color:var(--text-color-secondary);text-align:center;transition:color .2s}.paint-tool.active .paint-tool-label{color:var(--primary-color);font-weight:600}.paint-controls{display:flex;padding:16px 20px 0;gap:16px;align-items:center;border-top:1px solid var(--outline-variant-color)}.paint-colors{display:flex;gap:12px;align-items:center}.paint-color{width:36px;height:36px;border-radius:50%;border:3px solid var(--outline-variant-color);cursor:pointer;transition:.2s;position:relative}.paint-color.active{border-color:var(--primary-color);transform:scale(1.1);box-shadow:0 2px 8px rgba(var(--primary-color),.3)}.paint-color.red{background-color:#f44336}.paint-color.blue{background-color:#2196f3}.paint-color.green{background-color:#4caf50}.paint-color.yellow{background-color:#ffeb3b}.paint-color.black{background-color:#424242}.paint-brush-size{display:flex;flex-direction:column;gap:8px;flex:1}.paint-opacity{display:none;flex-direction:column;gap:8px;flex:1}.brush-size-label{font-size:12px;font-weight:500;color:var(--text-color-secondary)}.brush-size-slider{position:relative}.brush-size-slider input[type=range]{width:100%;height:4px;background:var(--outline-variant-color);outline:0;-webkit-appearance:none;appearance:none;cursor:pointer;border-radius:2px}.brush-size-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary-color);cursor:pointer;box-shadow:0 2px 4px rgba(0,0,0,.2)}.brush-size-slider input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--primary-color);cursor:pointer;border:none;box-shadow:0 2px 4px rgba(0,0,0,.2)}.paint-actions{display:flex;gap:12px}.paint-action-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;border:1px solid var(--outline-variant-color);border-radius:20px;background:var(--surface-color);color:var(--text-color);cursor:pointer;transition:.2s;font-size:12px;font-weight:500}.paint-action-btn:hover{background:var(--surface-container-low-color);border-color:var(--primary-color)}.paint-action-btn.clear{border-color:var(--error-color);color:var(--error-color)}.paint-action-btn.clear:hover{background:rgba(var(--error-color),.1)}#download-sub-toolbar{padding:20px;height:120px}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;height:100%}.download-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:var(--surface-container-low-color);border:1px solid var(--outline-variant-color);border-radius:16px;cursor:pointer;transition:.2s;position:relative;overflow:hidden}.download-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.1);border-color:var(--primary-color)}.download-card::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(var(--primary-color),.1),transparent);transition:left .5s}.download-card:hover::before{left:100%}.download-icon{font-size:24px;color:var(--primary-color)}.download-label{font-size:12px;font-weight:600;color:var(--text-color)}.download-subtitle{font-size:10px;color:var(--text-color-secondary);text-align:center}#loader{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(var(--bg-color),.8);backdrop-filter:blur(5px);display:flex;justify-content:center;align-items:center;z-index:1000}.spinner{width:56px;height:56px;border:5px solid var(--primary-container-color);border-bottom-color:var(--primary-color);border-radius:50%;display:inline-block;animation:1s linear infinite rotation}@keyframes rotation{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:999}.modal-content{background:var(--surface-color);padding:24px;border-radius:28px;width:90%;max-width:500px;box-shadow:0 8px 24px rgba(0,0,0,.2)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-header h2{margin:0;font-size:1.5rem}.modal-close{background:0 0;border:none;cursor:pointer;color:var(--text-color-secondary)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:.875rem;color:var(--text-color-secondary)}.form-group input,.form-group select{padding:12px;border:1px solid var(--outline-color);border-radius:8px;background:var(--surface-color);color:var(--text-color);font-size:1rem}.modal-actions{margin-top:24px;display:flex;justify-content:flex-end;gap:8px}@media (max-width:768px){#global-header{padding:0 12px}#global-header h1{font-size:clamp(.9rem, 4vw, 1.25rem)}.header-btn{min-width:40px;height:40px;padding:6px}.dropdown-content{min-width:140px}#editor-screen{flex-direction:column}#page-thumbnails-container{width:100%;height:120px;flex-direction:row;overflow-x:auto;overflow-y:hidden;border-right:none;border-bottom:1px solid var(--outline-variant-color);padding:8px}#page-thumbnails{flex-direction:row}.thumbnail-item{width:80px;height:100%;flex-shrink:0}.thumbnail-item img{height:100%;width:auto;object-fit:cover}.sub-toolbar{border-radius:20px 20px 0 0}#adjust-sub-toolbar{height:140px}.adjust-controls{padding:0 16px;gap:20px;min-height:70px}.adjust-control{width:76px;gap:8px;padding:8px 6px}.adjust-icon{width:25px;height:25px}.adjust-icon .material-symbols-rounded{font-size:20px}.adjust-value-indicator{width:20px;height:2px;bottom:-2px}.btn-text{display:none}.adjust-label{font-size:10px}.effects-scroll{padding:0 16px;gap:12px}.effect-preview{width:50px;height:70px}.download-grid{padding:0 16px}.download-card{border-radius:12px}#paint-sub-toolbar{height:180px;padding:16px 0}.paint-tools{padding:0 16px;gap:12px}.paint-tool{width:70px;padding:8px}.paint-tool-icon{width:40px;height:40px}.paint-tool-icon .material-symbols-rounded{font-size:20px}.paint-controls{padding:12px 16px 0;gap:12px}.paint-colors{gap:8px}.paint-color{width:32px;height:32px}.paint-actions{gap:8px}.paint-action-btn{padding:6px 12px;font-size:11px}.article-container{grid-template-columns:1fr;gap:24px}.article-card{padding:24px}.how-to-article{margin-top:40px;padding:24px;border-radius:16px}.article-intro{margin-bottom:32px}.article-heading{font-size:1.2rem;margin-bottom:12px}.article-text{font-size:.95rem;line-height:1.6;margin-bottom:20px}.steps-title{font-size:1.5rem;margin-bottom:24px}.steps-container{gap:24px}.step-item{flex-direction:column;align-items:flex-start;gap:16px;text-align:center}.step-number{width:40px;height:40px;font-size:1.2rem;align-self:center}.step-content{text-align:center}.step-title{font-size:1.1rem;margin-bottom:6px}.step-description{font-size:.9rem}.step-image{width:100%;max-width:280px;height:80px;font-size:.9rem;align-self:center}.article-cta{margin-top:32px;padding-top:24px}.cta-text{font-size:.95rem;margin-bottom:16px}.cta-button{padding:12px 24px;font-size:.95rem}.footer-links{gap:20px}}.menu-item{padding:0}.menu-item a{flex:1 1 auto;padding:16px 12px;border-radius:12px}#mobile-menu button,.dropdown button,.header-btn{font-family:inherit}body.theme-switching,body.theme-switching *,body.theme-switching ::after,body.theme-switching ::before{transition:none!important}.doc-page{max-width:820px;margin:0 auto;padding:40px;background-color:var(--surface-color);border-radius:16px}.doc-page>:first-child{margin-top:0}.doc-page>:last-child{margin-bottom:0}.doc-page li,.doc-page p{color:var(--text-color);line-height:1.7;margin-bottom:1.25rem;overflow-wrap:anywhere}.doc-page h2{color:var(--primary-color);font-size:1.25rem;line-height:1.35;margin:2rem 0 .75rem;padding-bottom:.5rem;border-bottom:1px solid var(--outline-variant-color)}.doc-page ul{padding-inline-start:1.25rem;margin-bottom:1.25rem}.doc-page a{color:var(--primary-color);overflow-wrap:anywhere}.doc-page ol{padding-inline-start:1.25rem;margin-bottom:1.25rem}.doc-lead{font-size:1.0625rem;color:var(--text-color-secondary)}.notfound{max-width:640px;margin:0 auto;padding:48px 32px;text-align:center;background-color:var(--surface-color);border-radius:16px}.notfound__icon{width:72px;height:72px;margin:0 auto 20px;display:grid;place-items:center;border-radius:20px;background-color:var(--primary-container-color);color:var(--on-primary-container-color)}.notfound__icon .material-symbols-rounded{font-size:38px}.notfound__code{font-size:.8125rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-color-secondary);margin:0 0 8px}.notfound__text{font-size:1.125rem;line-height:1.6;color:var(--text-color);margin:0 0 28px}.notfound__cta{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 24px;border-radius:999px;background-color:var(--primary-color);color:var(--on-primary-color);font-weight:600;text-decoration:none}.notfound__cta:hover{filter:brightness(1.08)}.notfound__more{margin:32px 0 0;padding-top:24px;border-top:1px solid var(--outline-variant-color);display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.notfound__more a{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 14px;border-radius:999px;background-color:var(--surface-container-low-color);color:var(--text-color);font-size:.875rem;text-decoration:none}.notfound__more a:hover{background-color:var(--secondary-container-color);color:var(--on-secondary-container-color)}.notfound__more .material-symbols-rounded{font-size:18px}@media (max-width:768px){.doc-page{padding:24px}.notfound{padding:36px 20px}}