@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap";:root{--bg-primary:#0e1117;--bg-secondary:#161b22;--bg-tertiary:#21262d;--bg-hover:#29303b;--border-color:#30363d;--border-focus:#484f58;--text-main:#f0f6fc;--text-muted:#8b949e;--text-subtle:#6e7681;--accent-color:#2f81f7;--accent-hover:#388bfd;--accent-active:#1f6feb;--accent-alpha:#2f81f726;--danger-color:#f85149;--success-color:#3fb950;--shadow-sm:0 1px 2px #0006;--shadow-md:0 4px 12px #00000080;--shadow-lg:0 8px 24px #0009;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--font-family:"Plus Jakarta Sans", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-main);flex-direction:column;min-height:100vh;line-height:1.5;display:flex;overflow-x:hidden}.app-header{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:100;justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;display:flex}.brand-logo{border-radius:var(--radius-md);color:#fff;background:linear-gradient(135deg,#2f81f7,#1f6feb);justify-content:center;align-items:center;width:36px;height:36px;font-weight:700;display:flex}.brand-title{letter-spacing:-.01em;color:var(--text-main);font-size:1.15rem;font-weight:700}.brand-badge{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-full);color:var(--text-muted);padding:2px 8px;font-size:.725rem;font-weight:600}.app-body{flex:1;height:calc(100vh - 64px);display:flex;overflow:hidden}.dropzone-container{flex:1;justify-content:center;align-items:center;padding:32px;display:flex}.dropzone{border:2px dashed var(--border-color);border-radius:var(--radius-lg);background-color:var(--bg-secondary);text-align:center;cursor:pointer;flex-direction:column;align-items:center;gap:16px;width:100%;max-width:680px;padding:48px 32px;transition:all .2s;display:flex}.dropzone:hover,.dropzone.active{border-color:var(--accent-color);background-color:var(--bg-hover)}.dropzone-icon{background-color:var(--bg-tertiary);width:64px;height:64px;color:var(--accent-color);border-radius:50%;justify-content:center;align-items:center;margin-bottom:8px;display:flex}.dropzone-title{color:var(--text-main);font-size:1.25rem;font-weight:600}.dropzone-desc{color:var(--text-muted);max-width:420px;font-size:.875rem}.editor-workspace{flex:1;width:100%;height:100%;display:flex;overflow:hidden}.canvas-viewport{background-color:var(--bg-primary);flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.canvas-toolbar-top{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:10;justify-content:space-between;align-items:center;height:52px;padding:0 16px;display:flex}.tool-group{align-items:center;gap:8px;display:flex}.canvas-container{-webkit-user-select:none;user-select:none;flex:1;padding:48px;display:flex;position:relative;overflow:auto}.compare-container{box-shadow:var(--shadow-lg);flex-shrink:0;margin:auto;line-height:0;position:relative}.checkerboard-bg{background-color:#12161c;background-image:linear-gradient(45deg,#1c2128 25%,#0000 25%),linear-gradient(-45deg,#1c2128 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#1c2128 75%),linear-gradient(-45deg,#0000 75%,#1c2128 75%);background-position:0 0,0 10px,10px -10px,-10px 0;background-size:20px 20px}.editor-canvas{object-fit:contain;border-radius:var(--radius-sm)}.sidebar-panel{background-color:var(--bg-secondary);border-left:1px solid var(--border-color);z-index:20;flex-direction:column;width:340px;display:flex;overflow-y:auto}.sidebar-section{border-bottom:1px solid var(--border-color);padding:20px}.sidebar-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);justify-content:space-between;align-items:center;margin-bottom:16px;font-size:.875rem;font-weight:700;display:flex}.control-group{flex-direction:column;gap:8px;margin-bottom:16px;display:flex}.control-group:last-child{margin-bottom:0}.control-label{color:var(--text-main);justify-content:space-between;font-size:.8125rem;font-weight:600;display:flex}.control-val{color:var(--text-muted);font-weight:500}input[type=range]{appearance:none;background:var(--bg-tertiary);border-radius:var(--radius-full);outline:none;width:100%;height:6px}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent-color);cursor:pointer;border-radius:50%;width:18px;height:18px;transition:transform .1s}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}.btn{border-radius:var(--radius-md);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:9px 16px;font-family:inherit;font-size:.875rem;font-weight:600;transition:all .15s;display:inline-flex}.btn-primary{background-color:var(--accent-color);color:#fff}.btn-primary:hover{background-color:var(--accent-hover)}.btn-secondary{background-color:var(--bg-tertiary);border-color:var(--border-color);color:var(--text-main)}.btn-secondary:hover{background-color:var(--bg-hover);border-color:var(--border-focus)}.btn-secondary.active{background-color:var(--accent-alpha);border-color:var(--accent-color);color:var(--accent-color)}.btn-icon{border-radius:var(--radius-md);color:var(--text-muted);background-color:#0000;border:1px solid #0000;padding:8px}.btn-icon:hover{background-color:var(--bg-tertiary);color:var(--text-main)}.btn-icon.active{background-color:var(--accent-alpha);color:var(--accent-color);border-color:var(--accent-color)}.tab-grid{grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:16px;display:grid}.tab-btn{border-radius:var(--radius-md);background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;font-size:.775rem;font-weight:600;transition:all .15s;display:flex}.tab-btn:hover{background-color:var(--bg-hover);color:var(--text-main)}.tab-btn.active{background-color:var(--accent-alpha);border-color:var(--accent-color);color:var(--accent-color)}.swatch-grid{grid-template-columns:repeat(6,1fr);gap:8px;display:grid}.swatch-btn{aspect-ratio:1;border-radius:var(--radius-sm);cursor:pointer;border:2px solid #0000;width:100%;transition:transform .1s;position:relative}.swatch-btn:hover{transform:scale(1.1)}.swatch-btn.active{border-color:var(--accent-color);box-shadow:0 0 0 2px var(--bg-secondary)}.color-picker-wrapper{align-items:center;gap:10px;margin-top:10px;display:flex}.color-input-native{border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;width:36px;height:36px}.spinner{border:2.5px solid #fff3;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.compare-handle{cursor:ew-resize;z-index:30;background-color:#fff;width:2px;position:absolute;top:0;bottom:0;box-shadow:0 0 8px #000c}.compare-handle-knob{color:#0e1117;width:32px;height:32px;box-shadow:var(--shadow-md);background-color:#fff;border-radius:50%;justify-content:center;align-items:center;font-size:12px;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@media (width<=900px){.app-body{flex-direction:column;height:auto;overflow:auto}.sidebar-panel{border-left:none;border-top:1px solid var(--border-color);width:100%}.canvas-viewport{min-height:450px}}