:root {
    /* Berlin Brand Colors */
    --color-primary: #004591; /* Berlin Blue */
    --color-secondary: #333333; /* Dark Gray / Text */
    --color-background: #F8F9FA; /* Light Gray Background */
    --color-white: #FFFFFF;
    --color-accent: #E30613; /* Berlin Red (Accent, spare use) */
    --color-border: #DDDDDD;

    /* Typography */
    --font-family-base: "Arial", "Helvetica", sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.5;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
}