:root {
                    --theme-primary: #2196F3;
                    --theme-secondary: #21CBF3;
                    --theme-accent: #64B5F6;
                    --theme-background: #F8F9FA;
                    --theme-surface: #FFFFFF;
                    --theme-text: #2C3E50;
                    --theme-muted: #6C757D;
                    --theme-border: #E9ECEF;
                    --theme-hover: rgba(102, 126, 234, 0.1);
                }