:root{--bg-primary:#1e1e1e;--bg-secondary:#252526;--bg-tertiary:#2d2d2d;--bg-header:#333;--accent-primary:#007acc;--accent-hover:#008be5;--border-color:#3e3e42;--text-primary:#e1e1e1;--text-secondary:#aaa;--text-muted:#666;--sidebar-width:50px;--panel-width:280px;--header-height:40px;--footer-height:25px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text-primary);background-color:var(--bg-primary);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica 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12px;font-size:11px;display:flex}.canvas-container{touch-action:none;justify-content:center;align-items:center;width:100%;height:100%;display:flex;overflow:auto}.canvas-stack{cursor:crosshair;background-color:#fff;background-image:linear-gradient(45deg,#eee 25%,#0000 25%),linear-gradient(-45deg,#eee 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#eee 75%),linear-gradient(-45deg,#0000 75%,#eee 75%);background-position:0 0,0 10px,10px -10px,-10px 0;background-size:20px 20px;flex-shrink:0;width:1000px;height:700px;position:relative;box-shadow:0 30px 100px #000c;overflow:visible!important}.layer-canvas{transform-origin:0 0;width:100%;height:100%;image-rendering:pixelated;pointer-events:none;position:absolute;top:0;left:0}.layer-wrapper.visible{display:block}.layer-wrapper.hidden{display:none}.selection-overlay{pointer-events:none;z-index:1000;border:1px dashed #fff;outline:1px dashed #000;animation:.5s linear infinite selection-ants;position:absolute}@keyframes selection-ants{0%{stroke-dashoffset:0}to{stroke-dashoffset:-10px}}:root{--header-height:38px;--options-height:32px;--sidebar-width:240px;--toolbar-width:44px;--bg-primary:#1c1c1c;--bg-secondary:#252525;--bg-tertiary:#333;--bg-header:#2f2f2f;--border-color:#3e3e3e;--text-primary:#e0e0e0;--text-secondary:#aaa;--text-muted:#777;--accent-primary:#0078d4}*{box-sizing:border-box;-webkit-user-select:none;user-select:none;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;overflow:hidden}.app-layout{flex-direction:column;width:100vw;height:100vh;display:flex}.app-header{height:var(--header-height);background-color:var(--bg-header);border-bottom:1px solid var(--border-color);z-index:1300;align-items:center;padding:0 10px;display:flex}.main-nav{height:100%;display:flex}.menu-item-container{cursor:pointer;height:100%;color:var(--text-secondary);align-items:center;padding:0 10px;font-size:13px;display:flex;position:relative}.menu-item-container:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.menu-dropdown{background:var(--bg-header);border:1px solid var(--border-color);flex-direction:column;min-width:200px;padding:4px 0;display:none;position:absolute;top:100%;left:0;box-shadow:0 10px 30px #00000080}.menu-item-container:hover .menu-dropdown{display:flex}.menu-option{justify-content:space-between;padding:8px 16px;font-size:12px;display:flex}.menu-option:hover{background-color:var(--accent-primary)}.menu-option .shortcut{color:var(--text-muted)}.menu-divider{background-color:var(--border-color);height:1px;margin:4px 0}.options-bar{height:var(--options-height);background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);align-items:center;gap:15px;padding:0 10px;font-size:11px;display:flex}.tool-indicator{color:var(--text-primary);min-width:60px;font-weight:700}.options-divider{background:var(--border-color);width:1px;height:20px;margin:0 15px}.quick-actions{align-items:center;gap:6px;padding-left:5px;display:flex}.action-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;width:32px;height:32px;transition:all .2s;display:flex}.action-btn:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.action-btn:active:not(:disabled){background:var(--accent-primary);color:#fff;transform:scale(.95)}.action-btn:disabled{opacity:.2;cursor:not-allowed}.action-btn.delete-btn:hover:not(:disabled){color:#f44336;background:#f4433633}.action-divider{background:var(--border-color);width:1px;height:16px;margin:0 6px}.option-control{align-items:center;gap:8px;display:flex}.app-body{flex:1;display:flex;overflow:hidden}.left-toolbar{width:var(--toolbar-width);background-color:var(--bg-secondary);border-right:1px solid var(--border-color);z-index:100;flex-direction:column;display:flex;position:relative;overflow:visible}.tools-container{flex-direction:column;flex:1;align-items:center;gap:4px;padding:8px 0;display:flex;overflow-y:auto}.tools-container::-webkit-scrollbar{width:4px}.tools-container::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:2px}.tool-btn{width:32px;height:32px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;transition:all .2s;display:flex}.tool-btn:hover{background-color:var(--bg-tertiary)}.tool-btn.active{background-color:var(--bg-tertiary);border-color:var(--accent-primary);color:var(--text-primary)}.toolbar-colors{border-top:1px solid var(--border-color);background-color:var(--bg-secondary);flex-direction:column;align-items:center;gap:8px;margin-top:auto;padding:15px 0;display:flex}.color-squares-container{width:34px;height:34px;position:relative}.color-square{cursor:pointer;border:2px solid #fff;width:22px;height:22px;position:absolute;box-shadow:0 0 0 1px #000}.color-square.primary{z-index:2;top:0;left:0}.color-square.secondary{z-index:1;bottom:0;right:0}.color-actions{justify-content:space-between;align-items:center;width:32px;display:flex}.color-action-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:2px;transition:color .2s;display:flex}.color-action-btn:hover{color:var(--text-primary)}.color-action-btn svg{width:12px;height:12px}.picker-controls input[type=range]{appearance:none;cursor:pointer;background:0 0}.picker-controls input[type=range]::-webkit-slider-thumb{appearance:none;background:#fff;border:1px solid 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#0009}.layer-canvas{pointer-events:none;width:100%;height:100%;image-rendering:pixelated;position:absolute;top:0;left:0}.layer-canvas.hidden{display:none}.status-bar{background-color:var(--bg-header);border-top:1px solid var(--border-color);height:24px;color:var(--text-muted);align-items:center;gap:20px;padding:0 10px;font-size:11px;display:flex}.status-ready{color:#4caf50;margin-left:auto}.side-panels{width:var(--sidebar-width);background-color:var(--bg-secondary);border-left:1px solid var(--border-color);flex-direction:column;display:flex}.side-panel{border-bottom:1px solid var(--border-color);flex-direction:column;display:flex}.history-panel{flex:1;min-height:150px}.layers-panel{flex:2}.panel-tab{background-color:var(--bg-header);color:var(--text-secondary);text-transform:uppercase;padding:8px 12px;font-size:11px;font-weight:700}.panel-content{flex:1;padding:2px;overflow-y:auto}.layer-node{border-bottom:1px solid #ffffff0d}.layer-node.dragging{opacity:.5;background:var(--bg-header)}.history-item,.layer-row{cursor:pointer;align-items:center;gap:8px;padding:6px 10px;font-size:11px;display:flex}.history-item.active,.layer-row.active{background-color:var(--accent-primary);color:#fff}.layer-eye{opacity:.7;width:16px}.layer-order-btns{opacity:0;gap:2px;margin-left:auto;transition:opacity .2s;display:flex}.layer-row:hover .layer-order-btns{opacity:1}.layer-order-btns button{color:inherit;cursor:pointer;background:0 0;border:none;border-radius:2px;align-items:center;padding:2px;display:flex}.layer-order-btns button:hover{background:#fff3}.layer-thumb{background-color:#333;background-image:linear-gradient(45deg,#444 25%,#0000 25%),linear-gradient(-45deg,#444 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#444 75%),linear-gradient(-45deg,#0000 75%,#444 75%);background-position:0 0,0 4px,4px -4px,-4px 0;background-size:8px 8px;border:1px solid #444;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:22px;display:flex;position:relative;overflow:hidden}.layer-thumb img{object-fit:contain;z-index:1;width:100%;height:100%;position:relative}.layer-title{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.layer-settings{background-color:var(--bg-primary);justify-content:space-between;align-items:center;padding:4px 10px 4px 34px;display:flex}.blend-select{background:var(--bg-tertiary);color:#fff;border:none;font-size:10px}.panel-footer{background-color:var(--bg-tertiary);gap:10px;padding:5px;display:flex}.panel-footer button{color:var(--text-secondary);cursor:pointer;background:0 0;border:none}.panel-footer button:hover:not(:disabled){color:var(--text-primary)}.selection-marquee{pointer-events:none;z-index:10000;border:1px dashed #fff;animation:.5s linear infinite marquee-animation;position:absolute;box-shadow:0 0 0 1px #000}@keyframes marquee-animation{0%{outline-offset:-1px;outline:1px dashed 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#0000004d}.crop-handle.tl{cursor:nwse-resize;top:-7px;left:-7px}.crop-handle.tr{cursor:nesw-resize;top:-7px;right:-7px}.crop-handle.bl{cursor:nesw-resize;bottom:-7px;left:-7px}.crop-handle.br{cursor:nwse-resize;bottom:-7px;right:-7px}.crop-handle.tm{cursor:ns-resize;margin-left:-7px;top:-7px;left:50%}.crop-handle.bm{cursor:ns-resize;margin-left:-7px;bottom:-7px;left:50%}.crop-handle.lm{cursor:ew-resize;margin-top:-7px;top:50%;left:-7px}.crop-handle.rm{cursor:ew-resize;margin-top:-7px;top:50%;right:-7px}.crop-actions-bar{pointer-events:auto;z-index:10001;background:#222;border:1px solid #ffffff1a;border-radius:8px;gap:8px;padding:6px;display:flex;position:absolute;bottom:-45px;right:0;box-shadow:0 10px 30px #0009}.crop-actions-bar.bottom{top:auto;bottom:-45px}.crop-action-btn{cursor:pointer;color:#fff;border:none;border-radius:6px;justify-content:center;align-items:center;width:32px;height:32px;transition:all 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(width<=768px){:root{--header-height:50px;--options-height:auto;--sidebar-width:100%;--toolbar-width:100%}body{width:100%;height:100%;position:fixed;overflow:hidden}.app-header{justify-content:space-between;padding:0 15px}.header-left,.header-right{align-items:center;gap:12px;display:flex}.app-logo{color:var(--text-primary);align-items:center;gap:8px;font-size:14px;font-weight:700;display:flex}.mobile-menu-btn,.mobile-panel-toggle{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex}.mobile-panel-toggle.active{background-color:var(--accent-primary);color:#fff}.main-nav{background-color:var(--bg-header);z-index:2000;flex-direction:column;width:80%;height:100vh;padding:20px 0;transition:left .3s;position:fixed;top:0;left:-100%;box-shadow:10px 0 30px #00000080}.main-nav.mobile-open{left:0}.mobile-menu-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:10px;padding:0 20px 20px;display:flex}.mobile-menu-header span{font-size:18px;font-weight:700}.mobile-menu-header button{color:var(--text-secondary);background:0 0;border:none}.menu-item-container{flex-direction:column;justify-content:center;align-items:flex-start;width:100%;height:auto;min-height:50px;padding:12px 20px;font-size:16px;display:flex}.menu-dropdown{box-shadow:none;opacity:0;background:0 0;border:none;flex-direction:column;gap:4px;width:100%;max-height:0;padding-left:10px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:static;overflow:hidden}.menu-item-container.active .menu-dropdown{opacity:1;max-height:500px;margin-top:10px;margin-bottom:5px}.options-bar{white-space:nowrap;-webkit-overflow-scrolling:touch;gap:20px;padding:8px 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0;border:none}.left-toolbar{border-right:none;width:100%;height:100%}.tools-container{grid-template-columns:repeat(auto-fill,minmax(44px,1fr));align-items:start;gap:12px;padding:20px;display:grid}.tool-btn{width:44px;height:44px}.toolbar-colors{flex-direction:row;justify-content:center;gap:20px;padding:15px 20px}.workspace{width:100%;height:100%}.side-panels{padding-bottom:constant(safe-area-inset-bottom);padding-bottom:env(safe-area-inset-bottom);height:70vh}.side-panels.mobile-open{bottom:0}.side-panel{border-bottom:1px solid var(--border-color)}.history-panel{max-height:30%}.layers-panel{flex:1}.status-bar{display:none}.canvas-viewport{padding:10px}.canvas-stack{max-width:none;max-height:none}.mobile-backdrop{-webkit-backdrop-filter:blur(8px);z-index:1200;background:#0006;animation:.3s simpleFadeIn;position:fixed;inset:0}.menu-item-container.active .menu-dropdown{max-height:500px;display:flex}}@media 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p{color:#aaa;margin-bottom:32px;line-height:1.5}.welcome-actions{flex-direction:column;gap:12px;display:flex}.welcome-btn{cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:10px;padding:14px 24px;font-size:15px;font-weight:600;transition:all .2s;display:flex}.welcome-btn.primary{color:#fff;background:#0078d4}.welcome-btn.primary:hover{background:#0086ed;transform:translateY(-2px)}.welcome-btn.secondary{color:#fff;border:1px solid var(--border-color);background:#ffffff0d}.welcome-btn.secondary:hover{background:#ffffff1a;transform:translateY(-2px)}@keyframes slideUpWelcome{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.welcome-card{padding:30px 20px}}