:root,[data-theme=dark]{color-scheme:dark;--bg-primary: #232326;--bg-secondary: #1b1b1e;--bg-tertiary: #2c2c31;--bg-surface: #212125;--bg-surface-hover: #2a2a2f;--bg-surface-active: #333339;--bg-overlay: rgba(10, 10, 12, .65);--text-primary: #ebebee;--text-secondary: #a3a3ac;--text-muted: #6e6e78;--border-color: #34343a;--border-light: #3f3f47;--accent: #df0174;--accent-hover: #ff2a8c;--accent-contrast: #ffffff;--accent-light: rgba(223, 1, 116, .2);--accent-text: #ff4d9c;--accent-secondary: #ff8fbe;--danger: #f0736b;--success: #5cc98b;--warning: #e0a458;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 14px rgba(0, 0, 0, .45);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .55);--editor-paper: #ffffff;--canvas-border: rgba(0, 0, 0, .55);--guide-color: #4dd0e1;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 12px;--spacing-lg: 16px;--spacing-xl: 24px;--panel-width: 280px;--toolbar-width: 48px;--topbar-height: 40px;--mobile-toolbar-height: 56px;--color-bar-height: 54px;--color-bar-max-width: 520px}[data-theme=light]{color-scheme:light;--bg-primary: #e9e9eb;--bg-secondary: #f7f7f8;--bg-tertiary: #e4e4e7;--bg-surface: #ffffff;--bg-surface-hover: #f0f0f2;--bg-surface-active: #e6e6ea;--bg-overlay: rgba(28, 28, 32, .35);--text-primary: #1c1c20;--text-secondary: #5a5a64;--text-muted: #8c8c96;--border-color: #dbdbe0;--border-light: #e7e7eb;--accent: #df0174;--accent-hover: #b80160;--accent-contrast: #ffffff;--accent-light: rgba(223, 1, 116, .12);--accent-text: #b80160;--accent-secondary: #8a1352;--danger: #d64545;--success: #2f9e63;--warning: #b97309;--shadow-sm: 0 1px 2px rgba(20, 20, 25, .08);--shadow-md: 0 4px 14px rgba(20, 20, 25, .12);--shadow-lg: 0 12px 32px rgba(20, 20, 25, .18);--editor-paper: #ffffff;--canvas-border: rgba(0, 0, 0, .28);--guide-color: #0d9aae}html,body,#top-bar,#toolbar-container,#panels-container,#canvas-area,.panel,.panel-header,.dialog{transition:background-color .25s 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svg{width:20px;height:20px;fill:currentColor}.tool-divider{width:24px;height:1px;background-color:var(--border-light);margin:var(--spacing-sm) 0}.tool-btn:after{content:attr(data-tooltip);position:absolute;left:100%;top:50%;transform:translateY(-50%);margin-left:var(--spacing-sm);background-color:var(--bg-surface);color:var(--text-primary);padding:4px 8px;border-radius:var(--radius-sm);font-size:12px;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .2s ease;z-index:100;border:1px solid var(--border-light);box-shadow:var(--shadow-sm)}@media(hover:hover){.tool-btn:hover:after{opacity:1}}.toolbar-inner{display:flex;flex-direction:column;align-items:center;gap:4px;width:100%}.toolbar-mobile-inner{display:flex;align-items:center;justify-content:space-around;width:100%;height:100%}#mobile-toolbar-container{display:none;flex-shrink:0;height:var(--mobile-toolbar-height);background-color:var(--bg-secondary);border-top:1px solid 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var(--border-color);display:flex;flex-direction:column;align-items:center;padding-top:var(--spacing-sm);z-index:10}#canvas-area{flex:1;position:relative;overflow:hidden;background-color:var(--bg-primary)}#canvas-wrapper{position:absolute;inset:0}#canvas-wrapper canvas{position:absolute;top:0;left:0;display:block}#overlay-canvas{cursor:crosshair}#panels-container{width:var(--panel-width);flex-shrink:0;overflow-y:auto;background-color:var(--bg-secondary);border-left:1px solid var(--border-color);display:flex;flex-direction:column;z-index:10}#top-bar{height:var(--topbar-height);flex-shrink:0;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:20}.topbar-inner{height:100%;display:flex;align-items:center;gap:var(--spacing-md);padding:0 var(--spacing-md)}.brand{display:flex;align-items:center;gap:var(--spacing-sm)}.brand-icon{display:block;width:22px;height:22px;flex-shrink:0}.brand-name{font-weight:600;letter-spacing:.2px}.menu-actions,.undo-redo-group,.topbar-right{display:flex;align-items:center;gap:4px}.topbar-right{margin-left:auto}.menu-icon{display:none;width:18px;height:18px}.menu-btn{background:none;border:1px solid transparent;color:var(--text-secondary);padding:4px 10px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-family:inherit}.menu-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.save-state{font-size:11px;color:var(--text-muted);margin-right:var(--spacing-sm);white-space:nowrap}#zoom-controls{position:absolute;right:var(--spacing-md);bottom:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm);padding:6px var(--spacing-md);background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);z-index:15}.zoom-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:2px 6px;border-radius:var(--radius-sm);font-size:13px;font-family:inherit}.zoom-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.zoom-slider{width:110px;accent-color:var(--accent)}.zoom-value{font-size:12px;color:var(--text-primary);font-variant-numeric:tabular-nums;min-width:44px;text-align:center}#panels-sheet-bar,#panels-backdrop{display:none}#panels-sheet-bar{align-items:center;justify-content:flex-end;padding:var(--spacing-md) var(--spacing-md) var(--spacing-sm);border-bottom:1px solid var(--border-color);position:sticky;top:0;background-color:var(--bg-secondary);z-index:1;touch-action:none;cursor:grab}#panels-sheet-bar:active{cursor:grabbing}.sheet-handle{position:absolute;left:50%;top:10px;transform:translate(-50%);width:40px;height:4px;border-radius:2px;background-color:var(--border-light)}#panels-close{background:none;border:none;color:var(--accent-text);font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;padding:4px 8px}#notice-host{position:fixed;left:50%;bottom:68px;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);z-index:3000;pointer-events:none}.notice{max-width:min(90vw,420px);padding:8px 14px;border-radius:var(--radius-lg);background-color:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-primary);box-shadow:var(--shadow-md);font-size:13px;opacity:0;transform:translateY(6px);transition:opacity .18s ease,transform .18s ease}.notice.visible{opacity:1;transform:translateY(0)}.notice.warning{border-color:var(--warning)}#panels-toggle{display:none;position:absolute;right:var(--spacing-md);top:var(--spacing-md);align-items:center;gap:6px;padding:7px 12px;background-color:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);cursor:pointer;font-family:inherit;font-size:13px;font-weight:500;z-index:45}#panels-toggle svg{width:16px;height:16px;color:var(--accent-text)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.hidden{display:none!important}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.1rem}p{color:var(--text-secondary)}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background-color:var(--bg-tertiary);padding:1px 4px;border-radius:3px}.slider{-webkit-appearance:none;appearance:none;width:100%;height:4px;background:var(--bg-tertiary);border-radius:2px;outline:none;margin:var(--spacing-sm) 0}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;transition:transform .1s}.slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:none}#color-bar{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);flex-shrink:0;height:var(--color-bar-height);padding:0 var(--spacing-sm);background-color:var(--bg-secondary);border-top:1px solid var(--border-color);z-index:21}.color-bar-current{flex-shrink:0;width:30px;height:30px;padding:0;border:2px solid var(--border-light);border-radius:50%;cursor:pointer;transition:transform .12s ease,border-color .12s ease}.color-bar-current:hover{border-color:var(--accent);transform:scale(1.06)}.color-bar-spectrum{flex:1;min-width:0;max-width:var(--color-bar-max-width);height:40px;display:block;border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:crosshair;touch-action:none}.color-pop{position:fixed;left:50%;transform:translate(-50%);width:min(320px,calc(100vw - 24px));padding:var(--spacing-sm);background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:40}.cp-field{position:relative;height:150px;border-radius:var(--radius-md);cursor:crosshair;touch-action:none;background-color:var(--hue-color, #ff0000);background-image:linear-gradient(to top,#000,#0000),linear-gradient(to right,#fff,#fff0)}.cp-handle{position:absolute;width:16px;height:16px;margin:-8px 0 0 -8px;border:2px solid #fff;border-radius:50%;background-color:var(--handle-color, transparent);box-shadow:0 0 0 1px #00000080;pointer-events:none}.cp-controls{display:flex;align-items:center;gap:var(--spacing-sm);margin-top:var(--spacing-sm)}.cp-sliders{flex:1;display:flex;flex-direction:column;gap:6px;min-width:0}.cp-preview{flex-shrink:0;width:38px;height:38px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background-image:linear-gradient(var(--preview-color),var(--preview-color)),linear-gradient(45deg,#bbb 25%,transparent 25%,transparent 75%,#bbb 75%),linear-gradient(45deg,#bbb 25%,#fff 25% 75%,#bbb 75%);background-size:auto,10px 10px,10px 10px;background-position:0 0,0 0,5px 5px}.color-pop input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:12px;margin:0;border-radius:6px;border:1px solid var(--border-color);cursor:pointer;touch-action:none}.color-pop .cp-hue{background:linear-gradient(to right,red,#ff0 17%,#0f0 33%,#0ff,#00f 67%,#f0f 83%,red)}.color-pop .cp-alpha{background-image:linear-gradient(to right,transparent,var(--alpha-to, #000)),linear-gradient(45deg,#bbb 25%,transparent 25%,transparent 75%,#bbb 75%),linear-gradient(45deg,#bbb 25%,#fff 25% 75%,#bbb 75%);background-size:auto,10px 10px,10px 10px;background-position:0 0,0 0,5px 5px}.color-pop input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border:2px solid #fff;border-radius:50%;background:transparent;box-shadow:0 0 0 1px #0000008c}.color-pop input[type=range]::-moz-range-thumb{width:14px;height:14px;border:2px solid #fff;border-radius:50%;background:transparent;box-shadow:0 0 0 1px #0000008c}@media(max-width:768px){#toolbar-container{display:none}.menu-icon{display:block}.menu-actions{gap:2px}.menu-btn{display:flex;align-items:center;justify-content:center}.topbar-right{flex:1;min-width:0}.topbar-right .project-title{flex:1;min-width:0;width:100%;max-width:none}#panels-toggle{display:flex}#panels-container{position:fixed;left:0;right:0;bottom:env(safe-area-inset-bottom,0px);width:auto;max-height:78dvh;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;border-left:none;border-top:1px solid var(--border-color);border-radius:var(--radius-lg) var(--radius-lg) 0 0;transform:translateY(calc(100% + env(safe-area-inset-bottom,0px) + 12px));transition:transform .3s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-lg);z-index:50}#panels-container.open{transform:translateY(0)}#mobile-toolbar-container{transition:transform .3s cubic-bezier(.16,1,.3,1)}body.panels-open #mobile-toolbar-container,body.panels-open #color-bar{transform:translateY(100%)}#color-bar{transition:transform .3s cubic-bezier(.16,1,.3,1)}body.panels-open #panels-toggle,body.panels-open #zoom-controls{opacity:0;pointer-events:none}#panels-sheet-bar{display:flex}#panels-backdrop{display:block;position:fixed;inset:0;background-color:var(--bg-overlay);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:49}#panels-backdrop.open{opacity:1;pointer-events:auto}.layers-list{max-height:none}.color-wheel-wrapper canvas{width:min(220px,60vw);height:auto}#zoom-controls{bottom:calc(var(--mobile-toolbar-height) + var(--color-bar-height) + env(safe-area-inset-bottom,0px) + 6px);left:50%;right:auto;transform:translate(-50%);padding:4px var(--spacing-sm);gap:var(--spacing-xs);transition:opacity .2s ease}#zoom-controls .zoom-slider{display:none}#zoom-controls .zoom-btn{padding:6px 10px;font-size:15px}#panels-toggle{transition:opacity .2s ease}#mobile-toolbar-container{height:calc(var(--mobile-toolbar-height) + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px)}#notice-host{bottom:calc(var(--mobile-toolbar-height) + var(--color-bar-height) + 64px + env(safe-area-inset-bottom,0px))}.topbar-inner{gap:var(--spacing-sm);padding:0 var(--spacing-sm)}.menu-actions .menu-btn{padding:4px 6px;font-size:12px;white-space:nowrap}.brand-name,.save-state,.btn-label,#shortcuts-btn{display:none}}@media(max-width:400px){.topbar-inner{padding:0 4px;gap:var(--spacing-xs)}.menu-actions .menu-btn{padding:6px 2px}.undo-redo-group{gap:0}.topbar-right .project-title{min-width:44px}}@media(min-width:769px){#mobile-toolbar-container{display:none}}.project-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.project-row{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm);background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm)}.project-thumb{width:64px;height:48px;flex-shrink:0;display:flex;align-items:center;justify-content:center;overflow:hidden;background-color:#fff;border:1px solid var(--border-color);border-radius:3px}.project-thumb img{max-width:100%;max-height:100%;display:block}.project-meta{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.project-name{font-size:14px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.project-sub{font-size:12px;color:var(--text-muted)}.project-title{font-size:12px;color:var(--text-secondary);font-family:inherit;max-width:200px;min-width:0;padding:3px 6px;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);text-overflow:ellipsis;cursor:text}.project-title:hover{border-color:var(--border-color);color:var(--text-primary)}.project-title:focus{outline:none;background-color:var(--bg-primary);border-color:var(--accent);color:var(--text-primary)}.project-row.current{border-color:var(--accent);background-color:var(--accent-light)}.project-badge{margin-left:var(--spacing-sm);padding:1px 6px;border-radius:999px;font-size:10px;text-transform:uppercase;letter-spacing:.4px;background-color:var(--accent);color:var(--accent-contrast);vertical-align:middle}