added all themes with img in specific folder

seasonals/snowstorm.js

@@ -0,0 +1,104 @@
+const snowstorm = true; // enable/disable snowstorm
+const snowflakesCount = 500; // count of snowflakes (recommended values: 300-600)
+const snowFallSpeed = 4; // speed of snowfall	(recommended values: 0-8)
+
+let msgPrinted = false; // flag to prevent multiple console messages
+
+// function to check and control the snowstorm
+function toggleSnowstorm() {
+  const snowstormContainer = document.querySelector('.snowstorm');
+  if (!snowstormContainer) return;
+
+  const videoPlayer = document.querySelector('.videoPlayerContainer');
+  const trailerPlayer = document.querySelector('.youtubePlayerContainer');
+  const isDashboard = document.body.classList.contains('dashboardDocument');
+  const hasUserMenu = document.querySelector('#app-user-menu');
+
+  // hide snowstorm if video/trailer player is active or dashboard is visible
+  if (videoPlayer || trailerPlayer || isDashboard || hasUserMenu) {
+    snowstormContainer.style.display = 'none'; // hide snowstorm
+    if (!msgPrinted) {
+      console.log('Snowstorm hidden');
+      msgPrinted = true;
+    }
+  } else {
+    snowstormContainer.style.display = 'block'; // show snowstorm
+    if (msgPrinted) {
+      console.log('Snowstorm visible');
+      msgPrinted = false;
+    }
+  }
+}
+
+// observe changes in the DOM
+const observer = new MutationObserver(toggleSnowstorm);
+
+// start observation
+observer.observe(document.body, {
+  childList: true,    // observe adding/removing of child elements
+  subtree: true,      // observe all levels of the DOM tree
+  attributes: true    // observe changes to attributes (e.g. class changes)
+});
+
+
+function createSnowstorm() {
+  const container = document.querySelector('.snowstorm') || document.createElement("div");
+
+  if (!document.querySelector('.snowstorm')) {
+    container.className = "snowstorm";
+    container.setAttribute("aria-hidden", "true");
+    document.body.appendChild(container);
+  }
+
+  const windowWidth = window.innerWidth;
+  const windowHeight = window.innerHeight;
+
+  for (let i = 0; i < snowflakesCount; i++) {
+    const snowflake = document.createElement('div');
+    snowflake.classList.add('snowflake');
+
+    // random size
+    const size = Math.random() * 4 + 1;
+    snowflake.style.width = `${size}px`;
+    snowflake.style.height = `${size}px`;
+
+    // random starting position
+    snowflake.style.left = `${Math.random() * windowWidth}px`;
+    snowflake.style.top = `${Math.random() * windowHeight}px`;
+
+    container.appendChild(snowflake);
+
+    animateSnowflake(snowflake);
+  }
+}
+
+function animateSnowflake(snowflake) {
+  // animation parameters
+  const fallSpeed = Math.random() * snowFallSpeed + 2;
+  const horizontalWind = Math.random() * 4 - 2;
+  const verticalVariation = Math.random() * 4 - 1;
+
+  function fall() {
+    const currentTop = parseFloat(snowflake.style.top || 0);
+    const currentLeft = parseFloat(snowflake.style.left || 0);
+
+    snowflake.style.top = `${currentTop + fallSpeed + verticalVariation}px`;
+    snowflake.style.left = `${currentLeft + horizontalWind}px`;
+
+    // if snowflake is out of the window, reset its position
+    if (currentTop > window.innerHeight) {
+      snowflake.style.top = '0px';
+      snowflake.style.left = `${Math.random() * window.innerWidth}px`;
+    }
+
+    requestAnimationFrame(fall);
+  }
+
+  fall();
+}
+
+// initialize snowstorm after the DOM is loaded
+document.addEventListener('DOMContentLoaded', () => {
+  if (!snowstorm) return; // exit if snowstorm is disabled
+  createSnowstorm();
+});