:root {
    /* Colors - Premium Market (Sauto/Sreality Vibe) */
    --color-bg: #f5f7fa; /* Warmer light grey background */
    --color-bg-card: #ffffff;
    --color-bg-subtle: #f8f9fa;
    --color-surface: #ffffff;
    
    --color-text-main: #1a1d29; /* Warmer dark text */
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;
    --color-text-light: #94a3b8;
    
    --color-primary: #dc2626; /* Distinct from Seznam #cc0000 */
    --color-primary-hover: #b91c1c;
    --color-primary-light: #f87171;
    --color-primary-dark: #991b1b;
    
    --color-accent: #0f172a; /* Dark slate for contrast elements */
    --color-accent-hover: #1e293b;
    
    --color-border: #e1e5e9; /* Softer border */
    --color-border-hover: #cbd5e1;
    
    /* Functional Colors */
    --color-success: #10b981;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Status Colors */
    --color-featured-start: #ffd700;
    --color-featured-end: #ffa500;
    --color-sold: #6b7280;

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;   /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 2rem;     /* 32px */
    --font-size-4xl: 2.5rem;   /* 40px */
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing Scale */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 0.75rem;   /* 12px */
    --spacing-lg: 1rem;      /* 16px */
    --spacing-xl: 1.5rem;    /* 24px */
    --spacing-2xl: 2rem;     /* 32px */
    --spacing-3xl: 3rem;     /* 48px */
    --spacing-4xl: 4rem;     /* 64px */
    
    /* Layout */
    --container-width: 1200px;
    --header-height: 72px;
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;

    /* Shadows & Elevation */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-card: 0 2px 10px rgba(0,0,0,0.03);
    --shadow-elevation-1: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-elevation-2: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-elevation-3: 0 10px 15px rgba(0,0,0,0.1);
    
    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}