:root{--color-primary: #6366f1;--color-primary-dark: #4f46e5;--color-primary-light: #818cf8;--color-secondary: #8b5cf6;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-white: #ffffff;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--color-background: var(--color-white);--color-surface: var(--color-gray-50);--color-text-primary: var(--color-gray-900);--color-text-secondary: var(--color-gray-600);--color-border: var(--color-gray-200);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--z-base: 1;--z-dropdown: 100;--z-sticky: 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linear infinite;border:3px solid var(--color-gray-200);border-radius:var(--radius-full);border-top-color:var(--color-primary);height:40px;width:40px}@keyframes spin{to{transform:rotate(360deg)}}.zoom-controls{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);margin-top:var(--space-md);opacity:0;transition:opacity .3s ease}.editor-section:not(.hidden) .zoom-controls{opacity:1}.zoom-button{background-color:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:var(--space-sm);transition:all .2s 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1fr}}#download-button{margin:0}.sample-gallery{background-color:var(--color-surface);padding:var(--space-3xl) 0;margin-top:var(--space-3xl)}.sample-gallery .section-title{text-align:center;margin-bottom:var(--space-sm)}.sample-gallery .section-description{text-align:center;color:var(--color-text-secondary);margin-bottom:var(--space-2xl)}.gallery-grid{columns:3;column-gap:var(--space-lg);margin:0 auto}.gallery-item{width:100%;margin-bottom:var(--space-lg);break-inside:avoid;overflow:hidden;border-radius:var(--radius-lg);background-color:var(--color-white);box-shadow:var(--shadow-md)}.gallery-image{width:100%;height:auto;display:block}.site-footer{background-color:var(--color-gray-50);border-top:1px solid var(--color-border);color:var(--color-text-secondary);padding:var(--space-2xl) 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slideOut{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(100%)}}.notification-icon{flex-shrink:0}.notification-content{flex:1}.notification-message{color:var(--color-text-primary);font-size:var(--font-size-sm);margin-bottom:0}.notification-close{align-items:center;background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;display:flex;flex-shrink:0;padding:var(--space-xs);transition:color var(--transition-fast)}.notification-close:hover{color:var(--color-text-primary)}.notification.success{border-left-color:var(--color-success)}.notification.error{border-left-color:var(--color-error)}.notification.warning{border-left-color:var(--color-warning)}.notification.info{border-left-color:var(--color-primary)}.hidden{display:none!important}.sr-only{border:0;clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:1px}@media (max-width: 640px){:root{font-size:14px}.container{padding-left:var(--space-md);padding-right:var(--space-md)}.site-title{font-size:var(--font-size-3xl)}.control-actions{flex-direction:column}.button{width:100%}.gallery-grid{columns:1}}@media (min-width: 641px) and (max-width: 1024px){.gallery-grid{columns:2}}@media print{.upload-section,.controls-area,.download-section,.site-footer,.notification-container{display:none}.editor-section{page-break-inside:avoid}}