(function() {
    if (!document.body.classList.contains('festive-advent') && !document.body.classList.contains('festive-christmas')) {
        return;
    }

    const snowflakes = ['❄', '❅', '❆', '✻', '✼', '❉', '❋'];
    const container = document.createElement('div');
    container.style.cssText = 'position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9999;overflow:hidden;';
    document.body.appendChild(container);

    const style = document.createElement('style');
    style.textContent = `
        @keyframes fall {
            to { transform: translateY(120vh) rotate(360deg); }
        }
    `;
    document.head.appendChild(style);

    function createSnowflake() {
        const flake = document.createElement('div');
        flake.textContent = snowflakes[Math.floor(Math.random() * snowflakes.length)];
        flake.style.cssText = `
            position: absolute;
            left: ${Math.random() * 100}vw;
            top: -50px;
            font-size: ${15 + Math.random() * 20}px;
            color: #fff;
            opacity: ${0.6 + Math.random() * 0.4};
            animation: fall ${8 + Math.random() * 10}s linear;
        `;
        container.appendChild(flake);

        setTimeout(() => flake.remove(), 18000);
    }

    setInterval(createSnowflake, 200);
})();