:root,[data-theme=light]{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color-scheme:light;--bg-page: #f5f5f5;--bg-header: #282c34;--bg-card: #fff;--bg-elevated: #f8f9fa;--input-bg: #fff;--input-text: #212529;--text-primary: #333;--text-secondary: #666;--text-muted: #6c757d;--text-on-header: #fff;--border: #dee2e6;--border-input: #ddd;--shadow: 0 2px 4px rgba(0, 0, 0, .1);--link: #646cff;--link-hover: #535bf2;--error-bg: #f8d7da;--error-border: #f5c6cb;--error-text: #dc3545;--focus-ring: rgba(0, 123, 255, .25);--btn-bg: #f9f9f9;--btn-border: transparent;--btn-primary: #007bff;--btn-primary-hover: #0056b3;--btn-danger: #f44336;--btn-success: #28a745;--btn-success-hover: #218838;--btn-secondary: #6c757d;--btn-secondary-hover: #5a6268;--info-bg: #e8f4fd;--info-border: #2196f3}[data-theme=dark]{color-scheme:dark;--bg-page: 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