body {
    /* Fallback background (theme files override on light mode) */
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
    font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

/* Theme-specific backgrounds are handled in theme CSS files */