:root{--bg-app: #1a1a1e;--bg-panel: #25252b;--bg-panel-hover: #2e2e36;--border: #3f3f46;--text: rgba(255, 255, 255, .9);--text-muted: rgba(255, 255, 255, .6);--accent: #a855f7;--accent-hover: #9333ea;--danger: #ef4444;font-family:system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5;color:var(--text);background-color:var(--bg-app);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-height:100vh;overflow:hidden}#root{display:flex;flex-direction:column;min-height:100vh}button{align-items:center;background-color:var(--bg-panel);border:1px solid var(--border);border-radius:6px;color:var(--text);cursor:pointer;display:inline-flex;font-family:inherit;font-size:inherit;gap:6px;justify-content:center;padding:6px 12px}button:hover{background-color:var(--bg-panel-hover)}button:disabled{cursor:not-allowed;opacity:.6}input,select{background-color:var(--bg-panel);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:inherit;font-size:inherit;padding:6px 10px}input:focus,select:focus{border-color:var(--accent);outline:none}label{display:block;margin-bottom:4px;color:var(--text-muted);font-size:12px}.app-layout{display:flex;flex:1;min-height:0;height:100vh;overflow:hidden}.app-sidebar-left{background-color:var(--bg-panel);border-right:1px solid var(--border);display:flex;flex-direction:column;max-height:calc(100vh - 52px);min-width:288px;width:288px}.app-sidebar-copyright{color:var(--text-muted);font-size:11px;margin-top:auto;padding:12px 16px}.app-main{align-items:center;background-color:var(--bg-app);display:flex;flex:1;flex-direction:column;justify-content:center;min-width:0;overflow:auto;padding:32px;position:relative}.app-main-dimensions{align-items:center;display:flex;gap:8px;background-color:#1f2937;border:1px solid #374151;border-radius:4px;color:var(--text-muted);font-size:12px;left:32px;padding:8px 12px;position:absolute;top:32px;z-index:1}.app-sidebar-right{background-color:var(--bg-panel);border-left:1px solid var(--border);display:flex;flex-direction:column;height:100vh;max-height:100vh;min-width:280px;overflow-y:auto;width:280px}.app-sidebar-right>.styles-panel{flex-shrink:0}.app-sidebar-right>:last-child{margin-bottom:70px}.app-header{align-items:center;border-bottom:1px solid var(--border);display:flex;flex-shrink:0;justify-content:space-between;padding:12px 16px}.app-footer{align-items:center;border-top:1px solid var(--border);display:flex;flex-shrink:0;gap:8px;justify-content:center;padding:8px 16px}.panel-title{color:var(--text-muted);font-size:12px;font-weight:600;letter-spacing:.05em;margin:0;text-transform:uppercase}.export-panel{flex-shrink:0;padding:16px}.app-footer.actions-menu{background-color:var(--bg-panel);border:1px solid var(--border);border-radius:12px;bottom:24px;box-shadow:0 4px 24px #0006;left:50%;position:absolute;transform:translate(-50%);z-index:100}.app-footer.actions-menu button{background:none;border:none;color:var(--text);cursor:pointer;font:inherit;padding:8px 12px;transition:background-color .2s ease}.app-footer.actions-menu button:hover{background-color:var(--bg-panel-hover);transition:background-color .2s ease}.app-footer.actions-menu button img{display:block;height:20px;width:20px}.canvas-preview{display:flex;flex:1;min-height:0;width:100%}.canvas-area{flex:1;min-height:0;overflow:auto;position:relative;width:100%}.canvas-center{align-items:center;display:flex;justify-content:center;margin:auto;min-height:100%;min-width:100%;padding:16px}.canvas-zoom-frame{position:relative}.canvas-zoom-inner{position:absolute}.canvas-wrapper{border:1px solid var(--border);border-radius:8px;overflow:hidden;position:relative;z-index:0}.canvas-ruler-corner{background-color:var(--bg-panel);border-bottom:1px solid var(--border);border-right:1px solid var(--border);border-radius:8px 0 0}.canvas-ruler-top{align-items:flex-end;background-color:var(--bg-panel);border-bottom:1px solid var(--border);display:flex;justify-content:flex-start;padding-bottom:2px;position:relative}.canvas-ruler-left{align-items:flex-start;background-color:var(--bg-panel);border-right:1px solid var(--border);display:flex;flex-direction:column;padding-right:4px;position:relative}.canvas-ruler-tick{color:var(--text-muted);font-size:10px;position:absolute}.canvas-ruler-tick--top{transform:translate(-50%)}.canvas-ruler-tick--left{transform:translateY(-50%)}.canvas-container{position:relative}.canvas-element{background-color:var(--bg-app);border-radius:0 0 8px;display:block;max-width:100%}.canvas-selection-overlay{inset:0;pointer-events:none;position:absolute}.canvas-selection-overlay .canvas-resize-handle{pointer-events:auto}.canvas-selection-outline{border:2px solid var(--accent);box-sizing:border-box;position:absolute}.canvas-resize-handle{background-color:var(--bg-app);border:2px solid var(--accent);border-radius:2px;cursor:nwse-resize;height:12px;position:absolute;transform:translate(-50%,-50%);width:12px}.canvas-resize-handle--nw{cursor:nwse-resize}.canvas-resize-handle--ne,.canvas-resize-handle--sw{cursor:nesw-resize}.canvas-resize-handle--se{cursor:nwse-resize}.image-alignment-bar{align-items:center;background-color:var(--bg-panel);border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 24px #0006;display:flex;gap:4px;left:50%;padding:6px 8px;position:absolute;top:32px;transform:translate(-50%);z-index:10}.image-alignment-bar button{background:none;border:none;cursor:pointer;padding:8px 12px;transition:background-color .2s ease}.image-alignment-bar button:hover{background-color:var(--bg-panel-hover);transition:background-color .2s ease}.image-alignment-bar button img{display:block;height:20px;width:20px}.image-alignment-bar-sep{background-color:var(--border);height:20px;margin:0 4px;width:1px}.canvas-zoom{align-items:center;display:flex;flex-direction:column;gap:6px;position:absolute;right:32px;top:32px;z-index:2}.canvas-zoom-controls{background-color:var(--bg-panel);border:1px solid var(--border);border-radius:8px;display:flex;flex-direction:column;overflow:hidden}.canvas-zoom-controls button{align-items:center;background:none;border:none;color:var(--text);display:flex;justify-content:center;min-height:28px;min-width:32px;padding:6px 10px}.canvas-zoom-controls button:last-child{border-bottom:none}.canvas-zoom-controls button:hover{background-color:var(--bg-panel-hover)}.canvas-zoom-value{color:var(--text-muted);font-size:12px}.help-overlay{align-items:center;background-color:#0009;display:flex;inset:0;justify-content:center;position:fixed;z-index:100}.help-modal{background-color:var(--bg-panel);border:1px solid var(--border);border-radius:8px;max-height:80vh;max-width:420px;overflow:hidden;width:90%}.help-header{align-items:center;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;padding:12px 16px}.help-header h2{font-size:18px;margin:0}.help-header button{background:none;border:none;font-size:24px;padding:0 8px}.help-content{overflow:auto;padding:16px}.help-steps{margin:0 0 16px;padding-left:20px}.help-steps li{margin-bottom:8px}.help-shortcuts{border-top:1px solid var(--border);font-size:13px;margin:0;padding-top:12px}.color-picker{margin-bottom:12px}.color-picker-row{align-items:center;display:flex;gap:8px}.color-picker-swatch{border:1px solid var(--border);cursor:pointer;height:32px;padding:0;width:40px}.color-picker-swatch::-webkit-color-swatch-wrapper{padding:2px}.color-picker-hex{flex:1;min-width:0;max-width:90px;text-transform:uppercase;width:90px}.canvas-panel{padding:16px}.canvas-panel .control-group{margin-bottom:12px}.canvas-panel .control-group select{width:100%}.canvas-panel .controls-heading{margin-bottom:12px}.canvas-panel .shape-fieldset{border:none;margin:0;padding:0}.canvas-panel .shape-fieldset legend{color:var(--text-muted);font-size:12px;margin-bottom:6px;padding:0}.canvas-panel .shape-radios{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.canvas-panel .shape-radio-label{align-items:center;cursor:pointer;display:flex;gap:6px;font-weight:400;margin:0;min-width:0}.canvas-panel .shape-radio-label input{flex-shrink:0;margin:0}.export-section .control-group,.export-section .controls-heading{margin-bottom:12px}.export-section .control-group>select{width:100%}.export-section-download{align-items:center;background-color:#9333ea;display:flex;gap:8px;justify-content:center;margin-top:16px;padding:10px 16px;transition:background-color .5s ease;width:100%}.export-section-download:hover{background-color:#7a28c6;transition:background-color .2s ease}.export-section-download:active{background-color:#8b5cf6}.export-section-download img{filter:brightness(0) invert(1)}.layers-panel{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden;position:relative}.layers-panel header{flex-shrink:0}.layers-scroll-content{flex:1;min-height:0;overflow:auto}.layers-list{display:flex;flex-direction:column;flex:0 0 auto;gap:12px;list-style:none;margin:0;overflow:visible;padding:8px}.layer-row-wrap{background-color:#374151;border:1px solid transparent;border-radius:6px}.layer-row{align-items:center;cursor:pointer;display:flex;flex-direction:row;flex-wrap:nowrap;justify-content:space-between;gap:8px;overflow:hidden;padding:8px;transition:background-color .2s ease;transition:border-color .2s ease;transition:opacity .2s ease}.layer-row-wrap:hover .layer-row{background-color:var(--bg-panel-hover)}.layer-row-wrap.selected{border:1px solid #A855F7;background-color:#a855f733}.layer-row button{background:none;border:none;cursor:pointer}.layer-row-left{align-items:center;display:flex;flex:1;flex-direction:row;flex-wrap:nowrap;gap:8px;min-width:0}.layer-row-right{display:flex;flex-direction:row;flex-wrap:nowrap;flex-shrink:0;gap:2px}.layer-row-right button{padding:6px}.layer-drag{color:var(--text-muted);cursor:grab;flex-shrink:0;font-size:12px}.layer-drag-img{display:block;height:12px;width:12px}.layer-drag:active{cursor:grabbing}.layer-icon{flex-shrink:0;font-size:16px}.layer-action-icon,.layer-icon-img{display:block;flex-shrink:0;height:16px;width:16px}.layer-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.layers-empty{color:var(--text-muted);padding:16px;text-align:center}.add-layer-wrap{position:relative;width:100%}.add-layer-wrap button{background-color:#9333ea;border-radius:6px;color:#fff;transition:background-color .2s ease}.add-layer-wrap button:hover{background-color:#8b45e6;transition:background-color .2s ease}.add-layer-dropdown{background-color:var(--bg-panel-hover);border:1px solid var(--border);border-radius:6px;box-shadow:0 4px 12px #0000004d;left:0;min-width:100%;right:0;list-style:none;margin:4px 0 0;padding:4px;position:absolute;top:100%;z-index:10}.add-layer-dropdown li{margin:0}.add-layer-dropdown button{align-items:center;background:none;border:none;display:flex;gap:8px;justify-content:flex-start;width:100%}.layer-row-wrap.dragging{opacity:.5}.layer-row-wrap.hidden{opacity:.4}.layers-panel-header{align-items:center;display:flex;justify-content:space-between;width:100%}.layers-subpanel-header{border-top:1px solid var(--border)}.layers-section-toggle{background-color:var(--bg-panel);border:0;border-radius:0;cursor:pointer;width:100%}.layers-section-toggle:hover{background-color:var(--bg-panel-hover)}.layers-collapse-icon{color:var(--text-muted);font-size:18px;line-height:1}.layers-actions-row{padding:8px}.layer-expanded-controls{border-top:1px solid var(--border);padding:8px}.layer-expanded-controls .controls-heading{display:none}.layer-expanded-controls .control-group{margin-bottom:10px}.layers-bottom-sticky{background-color:var(--bg-panel);border-top:1px solid var(--border);flex-shrink:0;padding:8px;position:sticky;bottom:0}.layers-bottom-actions{display:flex;gap:8px}.layers-bottom-actions>button{flex:1;padding:8px 12px}.settings-toggle-button{align-items:center;display:inline-flex;flex:1;font-weight:600;justify-content:flex-start}.export-toggle-button{align-items:center;display:inline-flex;font-weight:600}.layers-settings-popup{background-color:var(--bg-panel-hover);border:1px solid var(--border);bottom:56px;left:8px;margin:0;max-height:min(70vh,680px);overflow:auto;position:absolute;right:8px;z-index:20}.layers-export-popup{background-color:var(--bg-panel-hover);border:1px solid var(--border);bottom:56px;margin:0;max-height:min(70vh,680px);overflow:auto;position:absolute;right:8px;width:260px;z-index:20}.layers-settings-popup .canvas-panel{padding:0}.layers-settings-popup details{margin-top:10px}.layers-settings-popup summary{cursor:pointer;font-weight:600;margin-bottom:8px}.layers-settings-section{display:flex;flex-direction:column;gap:8px}.layers-presets-panel{display:flex;flex-direction:column;gap:8px;overflow:visible;padding:8px}.preset-list{display:flex;flex-direction:column;gap:8px;list-style:none;margin:0;max-height:180px;overflow:auto;padding:0}.preset-row{align-items:center;display:flex;gap:8px;justify-content:space-between}.preset-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preset-row-actions{display:flex;gap:6px}.preset-row-actions button{padding:6px}.layers-modal{max-width:360px}.layers-modal-error{color:#fca5a5;font-size:12px;margin:0 0 12px}.layers-modal-actions{display:flex;gap:8px;justify-content:flex-end}.styles-panel{display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.styles-content{overflow:visible;padding:16px}.styles-placeholder{color:var(--text-muted);font-size:13px;margin:0}.control-group{margin-bottom:12px}.control-group label{display:block;margin-bottom:4px}.control-group-title{color:var(--text-muted);display:block;font-size:12px;margin-bottom:8px}.control-group button{border:1px solid var(--bg-panel);padding:12px;transition:background-color 1s ease;width:100%}.control-group button:hover{background-color:var(--bg-button-hover);transition:background-color .2s ease}.control-group button.button-upload-image{background-color:#9333ea;border-color:#9333ea;color:#fff}.control-group button.button-upload-image:hover{background-color:#a855f7;border-color:#a855f7}.flip-button{flex:1;width:auto}.flip-button[aria-pressed=true]{background-color:var(--accent);border-color:var(--accent);color:#fff}.flip-button[aria-pressed=true]:hover{background-color:var(--accent-hover);border-color:var(--accent-hover)}.control-row{align-items:center;display:flex;gap:8px}.control-radio-label{align-items:center;cursor:pointer;display:inline-flex;gap:6px;margin:0}.control-radio-label input{margin:0}.controls-heading{font-size:14px;font-weight:600;margin:0 0 12px}.control-hint{color:var(--text-muted);font-size:12px;margin-left:8px}.border-clear-btn{background:none;border:1px solid var(--border);border-radius:4px;color:var(--text-muted);cursor:pointer;font-size:11px;margin-left:6px;padding:2px 8px}.border-clear-btn:hover{border-color:var(--text-muted);color:var(--text)}.version-changelog{display:inline-flex;position:relative}.version-changelog-trigger{background:none;border:none;color:inherit;font-size:inherit;font-weight:600;min-height:auto;min-width:auto;padding:0;text-decoration:underline}.version-changelog-trigger:hover{color:var(--text)}.version-changelog-popover{background-color:var(--bg-panel);border:1px solid var(--border);border-radius:8px;bottom:calc(100% + 8px);box-shadow:0 8px 20px #00000059;left:0;min-width:280px;padding:12px;position:absolute;z-index:30}.version-changelog-header{align-items:center;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;margin-bottom:10px;padding-bottom:8px}.version-changelog-header h3{font-size:13px;letter-spacing:.02em;margin:0;text-transform:uppercase}.version-changelog-header button{background:none;border:none;color:var(--text-muted);font-size:18px;min-height:auto;min-width:auto;padding:0 4px}.version-changelog-header button:hover{color:var(--text)}.version-changelog-list{display:flex;flex-direction:column;gap:8px;list-style:none;margin:0;max-height:240px;overflow-y:auto;padding:0 4px 0 0}.version-changelog-list li{display:grid;gap:2px}.version-changelog-item-version{color:var(--text);font-size:12px;font-weight:600}.version-changelog-item-summary{color:var(--text-muted);font-size:12px;line-height:1.4}a{color:var(--text-muted)}.app-header-main{background-color:var(--bg-panel)}.app-title{font-size:18px;font-weight:600;margin:0}.app-header-right{align-items:center;color:var(--text-muted);display:flex;font-size:12px;gap:8px}.aside-panel{background:#374151;border-radius:8px;margin:12px;padding:12px}.help-button{background:none;border:1px solid var(--border);border-radius:50%;font-size:14px;height:24px;min-width:24px;padding:0}.sr-only{border:0;clip:rect(0 0 0 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}