:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", monospace;--topbar-height: 48px;--statusbar-height: 26px;--rail-width: 52px;--panel-width: 280px;--ruler-size: 22px;--radius-xs: 4px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--transition-fast: .1s ease;--transition-normal: .18s ease;--transition-smooth: .28s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-app: #0a0a0b;--bg-surface: #141416;--bg-elevated: #1a1a1e;--bg-hover: #222226;--bg-active: #2a2a2f;--bg-input: #111113;--bg-workspace: #0d0d0e;--bg-viewport: #1e1e22;--border-subtle: rgba(255, 255, 255, .04);--border-default: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .14);--border-focus: #6366f1;--text-primary: #f4f4f5;--text-secondary: #a1a1aa;--text-muted: #63636b;--text-inverse: #09090b;--accent: #6366f1;--accent-hover: #818cf8;--accent-subtle: rgba(99, 102, 241, .12);--accent-text: #ffffff;--danger: #ef4444;--danger-subtle: rgba(239, 68, 68, .12);--success: #10b981;--overlay: rgba(0, 0, 0, .75);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .5);--ruler-bg: #141416;--ruler-text: #52525b;--ruler-tick: rgba(255, 255, 255, .06);--ruler-major: rgba(255, 255, 255, .14);--selection-color: #6366f1;--selection-handle: #ffffff;--handle-size: 8px;--grid-line: rgba(255, 255, 255, .06);--grid-line-faded: rgba(255, 255, 255, .03)}[data-theme=light]{--bg-app: #f8f8f8;--bg-surface: #ffffff;--bg-elevated: #ffffff;--bg-hover: #f0f0f2;--bg-active: #e8e8ec;--bg-input: #f4f4f5;--bg-workspace: #e8e8ec;--bg-viewport: #ffffff;--border-subtle: rgba(0, 0, 0, .03);--border-default: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, .14);--border-focus: #6366f1;--text-primary: #18181b;--text-secondary: #52525b;--text-muted: #a1a1aa;--text-inverse: #fafafa;--accent: #6366f1;--accent-hover: #4f46e5;--accent-subtle: rgba(99, 102, 241, .08);--accent-text: #ffffff;--danger: #dc2626;--danger-subtle: rgba(220, 38, 38, .08);--success: #059669;--overlay: rgba(0, 0, 0, .3);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .12);--ruler-bg: #ffffff;--ruler-text: #a1a1aa;--ruler-tick: rgba(0, 0, 0, .06);--ruler-major: rgba(0, 0, 0, .14);--selection-color: #6366f1;--selection-handle: #ffffff;--handle-size: 8px;--grid-line: rgba(0, 0, 0, .06);--grid-line-faded: rgba(0, 0, 0, .03)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}[hidden]{display:none!important}body{width:100vw;height:100vh;overflow:hidden;font-family:var(--font-sans);font-size:13px;color:var(--text-primary);background:var(--bg-app);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{display:flex;flex-direction:column;width:100%;height:100%}#main-content{display:flex;flex:1;overflow:hidden}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}#topbar{display:flex;align-items:center;justify-content:space-between;height:var(--topbar-height);padding:0 12px;background:var(--bg-surface);border-bottom:1px solid var(--border-default);z-index:100;flex-shrink:0}.topbar-section{display:flex;align-items:center;gap:6px}.topbar-controls{display:flex;align-items:center;gap:0}.logo{display:flex;align-items:center;gap:8px;-webkit-user-select:none;user-select:none}.logo-icon{width:18px;height:18px;color:var(--accent)}.logo-text{font-weight:600;font-size:13px;letter-spacing:-.02em;color:var(--text-primary)}.control-group{display:flex;align-items:center;gap:4px;padding:0 8px}.control-divider{width:1px;height:20px;background:var(--border-default)}.size-input-group{display:flex;align-items:center;background:var(--bg-input);border:1px solid var(--border-default);border-radius:var(--radius-sm);padding:0 8px;height:32px;transition:border-color var(--transition-fast)}.size-input-group:focus-within{border-color:var(--border-focus)}.size-input-group input{width:48px;padding:6px 0;background:transparent;border:none;color:var(--text-primary);font-family:var(--font-mono);font-size:12px;outline:none;-moz-appearance:textfield}.size-input-group input::-webkit-inner-spin-button,.size-input-group input::-webkit-outer-spin-button{-webkit-appearance:none}.size-unit{font-size:10px;font-weight:600;color:var(--text-muted);text-transform:uppercase;margin-left:2px}.size-separator{color:var(--text-muted);font-size:12px;-webkit-user-select:none;user-select:none;margin:0 2px}.presets-select{padding:6px 22px 6px 8px;height:32px;background:var(--bg-input);border:1px solid var(--border-default);border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-sans);font-size:11px;font-weight:500;outline:none;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline 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6px;border:none;background:transparent;cursor:pointer;border-radius:var(--radius-xs)}.zoom-display:hover{background:var(--bg-hover);color:var(--text-primary)}#tool-rail{width:var(--rail-width);flex-shrink:0;display:flex;flex-direction:column;justify-content:space-between;align-items:center;padding:8px 0;background:var(--bg-surface);border-right:1px solid var(--border-default);z-index:30}.tool-rail-top,.tool-rail-bottom{display:flex;flex-direction:column;align-items:center;gap:4px}.rail-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);position:relative}.rail-btn svg{width:20px;height:20px}.rail-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.rail-btn:active{transform:scale(.9)}.rail-btn.active{background:var(--accent-subtle);color:var(--accent)}.rail-btn.active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:16px;background:var(--accent);border-radius:0 2px 2px 0}.rail-btn:disabled{opacity:.3;cursor:not-allowed}.rail-btn:disabled:hover{background:transparent;color:var(--text-muted)}.rail-btn-danger:not(:disabled):hover{color:var(--danger);background:var(--danger-subtle)}.rail-divider{width:24px;height:1px;background:var(--border-default);margin:4px 0}#workspace-container{flex:1;display:grid;grid-template-columns:var(--ruler-size) 1fr;grid-template-rows:var(--ruler-size) 1fr;background:var(--bg-workspace);overflow:hidden;position:relative}#ruler-corner{background:var(--ruler-bg);border-right:1px solid var(--border-default);border-bottom:1px solid 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var(--border-default);margin-bottom:16px}.drop-zone-icon{width:28px;height:28px;color:var(--text-muted)}.drop-zone.active .drop-zone-icon{color:var(--accent)}.drop-zone.active .drop-zone-icon-wrapper{border-color:var(--accent);background:var(--accent-subtle)}.drop-zone-title{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.drop-zone-subtitle{font-size:12px;color:var(--text-muted)}.drop-zone-subtitle kbd{display:inline-block;padding:1px 5px;font-family:var(--font-mono);font-size:10px;background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:3px;color:var(--text-secondary)}#right-panel{width:var(--panel-width);flex-shrink:0;display:flex;background:var(--bg-surface);border-left:1px solid var(--border-default);z-index:30;overflow:hidden}.panel-body{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.panel-tabs{display:flex;border-bottom:1px solid 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var(--transition-fast)}.prop-inline-btn:hover{border-color:var(--border-strong);color:var(--text-primary)}.color-field{display:flex;align-items:center;gap:8px;background:var(--bg-input);border:1px solid var(--border-default);border-radius:var(--radius-xs);padding:3px 8px 3px 3px}.prop-color-input{width:28px;height:28px;border:1px solid var(--border-default);border-radius:var(--radius-sm);cursor:pointer;padding:0;background:none}.prop-color-input::-webkit-color-swatch-wrapper{padding:1px}.prop-color-input::-webkit-color-swatch{border:none;border-radius:2px}.color-hex{font-family:var(--font-mono);font-size:10px;color:var(--text-secondary)}.style-buttons{display:flex;gap:4px}.style-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--border-default);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-secondary);font-size:13px;font-weight:700;font-family:serif;cursor:pointer;transition:all var(--transition-fast)}.style-btn:hover{border-color:var(--border-strong);color:var(--text-primary)}.style-btn.active{background:var(--accent-subtle);border-color:var(--accent);color:var(--accent)}.style-btn-italic{font-style:italic}.layers-list{display:flex;flex-direction:column;gap:2px}.layers-header{display:flex;align-items:center;justify-content:space-between;padding:4px 8px 8px;border-bottom:1px solid var(--border-subtle);margin-bottom:4px}.layers-title{font-size:10px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.layers-header-actions{display:flex;gap:2px}.layer-move-btn{display:flex;align-items:center;justify-content:center;width:22px;height:22px;background:none;border:none;cursor:pointer;color:var(--text-muted);border-radius:var(--radius-xs);transition:all var(--transition-fast)}.layer-move-btn svg{width:14px;height:14px}.layer-move-btn:hover:not(:disabled){color:var(--text-primary);background:var(--bg-hover)}.layer-move-btn:disabled{opacity:.3;cursor:default}.layer-item{display:flex;align-items:center;gap:6px;padding:5px 8px;border-radius:var(--radius-sm);background:transparent;border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none}.layer-item:hover{background:var(--bg-hover)}.layer-item.selected{background:var(--accent-subtle);border-color:var(--accent-subtle)}.layer-drag-handle{display:flex;align-items:center;justify-content:center;width:14px;height:14px;color:var(--border-strong);cursor:grab;flex-shrink:0;opacity:.5;transition:opacity var(--transition-fast)}.layer-item:hover .layer-drag-handle{opacity:1}.layer-drag-handle:active{cursor:grabbing}.layer-icon{display:flex;align-items:center;color:var(--text-muted);flex-shrink:0}.layer-item.selected .layer-icon{color:var(--accent)}.layer-icon 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var(--border-focus);border-radius:var(--radius-xs);outline:none}.export-section{display:flex;flex-direction:column;gap:10px}.range-field{display:flex;align-items:center;gap:8px}.prop-range{flex:1;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--border-default);border-radius:2px;outline:none}.prop-range::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);border:2px solid var(--bg-surface);cursor:pointer;box-shadow:var(--shadow-sm)}.range-value{font-family:var(--font-mono);font-size:10px;color:var(--text-secondary);min-width:28px}.export-info{font-size:10px;color:var(--text-muted)}.btn-download{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:10px;background:var(--accent);color:var(--accent-text);border:none;border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:12px;font-weight:600;cursor:pointer;transition:all var(--transition-fast);margin-top:4px}.btn-download:hover{background:var(--accent-hover)}.btn-download:active{transform:scale(.97)}.element-wrapper{position:absolute;cursor:move;-webkit-user-select:none;user-select:none}.element-wrapper.selected{outline:1.5px solid var(--selection-color);outline-offset:2px}.element-wrapper .resize-handle{position:absolute;width:var(--handle-size);height:var(--handle-size);background:var(--selection-handle);border:2px solid var(--selection-color);border-radius:2px;z-index:30;display:none;box-shadow:0 0 0 1px #0000001a}.element-wrapper.selected .resize-handle{display:block}.resize-handle.nw{top:-5px;left:-5px;cursor:nw-resize}.resize-handle.ne{top:-5px;right:-5px;cursor:ne-resize}.resize-handle.sw{bottom:-5px;left:-5px;cursor:sw-resize}.resize-handle.se{bottom:-5px;right:-5px;cursor:se-resize}.resize-handle.n{top:-5px;left:50%;transform:translate(-50%);cursor:n-resize}.resize-handle.s{bottom:-5px;left:50%;transform:translate(-50%);cursor:s-resize}.resize-handle.e{right:-5px;top:50%;transform:translateY(-50%);cursor:e-resize}.resize-handle.w{left:-5px;top:50%;transform:translateY(-50%);cursor:w-resize}.text-element{cursor:move;white-space:nowrap;line-height:1.2;padding:4px 8px}.text-element.editing{cursor:text;outline:1px dashed var(--accent);outline-offset:2px;white-space:pre-wrap;min-width:24px}.image-element{display:block;pointer-events:none}.shape-element,.shape-line-svg{pointer-events:none}.cp-popover{position:fixed;z-index:9999;width:210px;background:var(--bg-surface);border:1px solid var(--border-strong);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:10px;display:flex;flex-direction:column;gap:8px}.cp-sat-wrap{position:relative;width:100%;height:140px;border-radius:var(--radius-sm);overflow:hidden;cursor:crosshair}.cp-sat{display:block;width:100%;height:100%;border-radius:var(--radius-sm)}.cp-sat-cursor{position:absolute;width:12px;height:12px;border:2px solid #fff;border-radius:50%;box-shadow:0 0 0 1px #0000004d,inset 0 0 0 1px #0003;transform:translate(-50%,-50%);pointer-events:none}.cp-hue{display:block;width:100%;height:14px;border-radius:7px;cursor:pointer;position:relative}.cp-hue-cursor{position:relative;width:6px;height:18px;background:#fff;border:1px solid rgba(0,0,0,.3);border-radius:3px;box-shadow:var(--shadow-sm);transform:translate(-50%,-16px);pointer-events:none}.cp-footer{display:flex;gap:6px}.cp-hex-input{flex:1;padding:5px 8px;background:var(--bg-input);border:1px solid var(--border-default);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-mono);font-size:12px;outline:none;text-transform:lowercase}.cp-hex-input:focus{border-color:var(--border-focus)}.cp-swatches{display:grid;grid-template-columns:repeat(10,1fr);gap:3px}.cp-swatch{width:100%;aspect-ratio:1;border:1px solid var(--border-default);border-radius:3px;cursor:pointer;transition:transform .1s ease}.cp-swatch:hover{transform:scale(1.2);z-index:1;border-color:var(--border-strong)}.help-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.help-popup{width:95%;max-width:560px;max-height:80vh;background:var(--bg-surface);border:1px solid var(--border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.help-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-default)}.help-header h2{font-size:15px;font-weight:600;color:var(--text-primary)}.help-close{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:none;background:transparent;color:var(--text-muted);font-size:20px;cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.help-close:hover{background:var(--bg-hover);color:var(--text-primary)}.help-body{padding:16px 20px;overflow-y:auto}.help-section{padding:14px 0;border-bottom:1px solid var(--border-default)}.help-section:first-child{padding-top:0}.help-section:last-child{border-bottom:none;padding-bottom:0}.help-section h3{font-size:12px;font-weight:700;color:var(--text-primary);margin-bottom:8px;padding:6px 10px;background:var(--bg-hover);border-radius:var(--radius-sm)}.help-intro-text{font-size:13px;color:var(--text-secondary);line-height:1.5}.help-section-content{padding:0}.help-section p{font-size:13px;color:var(--text-secondary);line-height:1.5}.help-section ul{list-style:none;padding:0}.help-section li{font-size:13px;color:var(--text-secondary);padding:3px 0;line-height:1.5}.help-tools-list li{display:flex;align-items:center;gap:6px;padding:5px 0}.help-tools-list svg{width:16px;height:16px;flex-shrink:0;color:var(--text-muted)}.help-inline-btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:10px;font-weight:500;color:var(--text-secondary);background:var(--bg-hover);border:1px solid var(--border-default);border-radius:var(--radius-xs);padding:2px 6px;min-width:16px}.help-section kbd{display:inline-block;padding:1px 5px;font-family:var(--font-mono);font-size:11px;background:var(--bg-hover);border:1px solid var(--border-default);border-radius:3px;color:var(--text-primary)}.settings-card{margin-top:12px;border:1px solid var(--border-default);border-radius:var(--radius-sm);overflow:hidden}.settings-card-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:8px 10px;background:var(--bg-hover);border:none;cursor:pointer;transition:background var(--transition-fast)}.settings-card-toggle:hover{background:var(--bg-active)}.settings-card-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary)}.settings-card-chevron{color:var(--text-muted);transition:transform var(--transition-normal)}.settings-card-toggle[aria-expanded=false] .settings-card-chevron{transform:rotate(-90deg)}.settings-card-body{padding:10px;display:flex;flex-direction:column;gap:10px}.settings-card-body[hidden]{display:none}.toggle-switch{position:relative;display:inline-block;width:34px;height:18px;cursor:pointer}.toggle-switch input{opacity:0;width:0;height:0}.toggle-track{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--border-strong);border-radius:9px;transition:background var(--transition-fast)}.toggle-track:before{content:"";position:absolute;width:14px;height:14px;left:2px;top:2px;background:#fff;border-radius:50%;transition:transform var(--transition-fast);box-shadow:var(--shadow-sm)}.toggle-switch input:checked+.toggle-track{background:var(--accent)}.toggle-switch input:checked+.toggle-track:before{transform:translate(16px)}#statusbar{display:flex;align-items:center;height:var(--statusbar-height);padding:0 12px;background:var(--bg-surface);border-top:1px solid var(--border-default);font-family:var(--font-mono);font-size:10px;color:var(--text-muted);gap:8px;-webkit-user-select:none;user-select:none}.status-dot{width:3px;height:3px;border-radius:50%;background:var(--border-strong)}.status-spacer{flex:1}.status-credit{font-family:var(--font-sans);font-size:10px;color:var(--text-muted)}.status-version{font-family:var(--font-mono);font-size:9px;color:var(--text-muted);opacity:.7}.status-credit a{color:var(--text-secondary);text-decoration:none}.status-credit a:hover{color:var(--text-primary)}.status-bmc{display:inline-flex;align-items:center;gap:4px;font-family:var(--font-sans);font-size:10px;color:var(--text-muted);text-decoration:none;padding:2px 6px;border-radius:var(--radius-xs);transition:all var(--transition-fast)}.status-bmc:hover{color:#b8860b}[data-theme=dark] .status-bmc:hover{color:#fd0}.status-link{display:inline-flex;align-items:center;color:var(--text-muted);text-decoration:none;padding:2px;border-radius:var(--radius-xs);transition:color var(--transition-fast)}.status-link:hover{color:var(--text-primary)}.status-bmc svg{flex-shrink:0}[data-theme=dark] .icon-sun{display:block}[data-theme=dark] .icon-moon,[data-theme=light] .icon-sun{display:none}[data-theme=light] .icon-moon{display:block}.element-wrapper.animate-in{animation:elementIn .2s ease-out}@keyframes elementIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.topbar-btn:focus-visible,.rail-btn:focus-visible,.panel-tab:focus-visible,.btn-download:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media(max-width:900px){.logo-text{display:none}.control-group:has(.size-input-group){display:none}:root{--panel-width: 240px}}@media(max-width:600px){#right-panel{display:none}:root{--rail-width: 44px}}