:root {
    /* Premium Glassmorphism Color Palette - Light Theme */
    --primary-bg: #faede7;
    --secondary-bg: #fdf5f0;
    --tertiary-bg: #fae2d3;
    --accent-color: #ec4899;
    --accent-light: #f472b6;
    --accent-dark: #be185d;
    
    /* Button Colors */
    --button-active: #fbe3db;
    --button-hover: #f8d4c7;
    --button-inactive: rgba(251, 227, 219, 0.3);
    
    /* Typography Colors */
    --text-primary: #222222;
    --text-secondary: #666666;
    --text-muted: #999999;
    --text-light: rgba(34, 34, 34, 0.8);
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: rgba(0, 0, 0, 0.08);
    --glass-blur: blur(16px);
    
    /* Premium Gradients */
    --gradient-primary: linear-gradient(135deg, #faede7 0%, #fdf5f0 50%, #fae2d3 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.1) 100%);
    --gradient-button: linear-gradient(135deg, #fbe3db 0%, #f8d4c7 100%);
    --gradient-accent: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
    
    /* Shadows */
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 20px rgba(236, 72, 153, 0.15);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --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-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    --font-weight-light: 300;
    --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;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1rem;
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
    
    /* Mobile-specific variables */
    --mobile-header-height: 60px;
    --mobile-padding: 0.75rem;
    --mobile-font-size-small: 0.75rem;
    --mobile-font-size-base: 0.875rem;
    --mobile-font-size-large: 1rem;
    --mobile-border-radius: 0.5rem;
    --mobile-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    
    /* Touch-friendly sizes */
    --touch-target-size: 44px;
    --touch-padding: 0.75rem;
    --touch-border-radius: 0.5rem;
    
    /* Safe area insets for mobile */
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
}

/* Dark Theme */
[data-theme="dark"] {
    /* Premium Glassmorphism Color Palette - Dark Theme */
    --primary-bg: #1a1a1a;
    --secondary-bg: #2d2d2d;
    --tertiary-bg: #3a3a3a;
    --accent-color: #ec4899;
    --accent-light: #f472b6;
    --accent-dark: #be185d;
    
    /* Button Colors */
    --button-active: #3a3a3a;
    --button-hover: #4a4a4a;
    --button-inactive: rgba(58, 58, 58, 0.3);
    
    /* Typography Colors */
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --text-light: rgba(255, 255, 255, 0.8);
    
    /* Glass Effects */
    --glass-bg: rgba(0, 0, 0, 0.25);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    --glass-blur: blur(16px);
    
    /* Premium Gradients */
    --gradient-primary: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #3a3a3a 100%);
    --gradient-glass: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 100%);
    --gradient-button: linear-gradient(135deg, #3a3a3a 0%, #4a4a4a 100%);
    --gradient-accent: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
    
    /* Shadows */
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(236, 72, 153, 0.3);
    
    /* Mobile-specific variables for dark theme */
    --mobile-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}