#sliding-panel{position:fixed;top:-150px;left:0;width:100%;height:150px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:white;z-index:9999;transition:top 0.4s ease-in-out;box-shadow:0 4px 15px rgba(0,0,0,0.2);display:flex;align-items:center;justify-content:center}#sliding-panel.active{top:0}#toggle-button{position:fixed;bottom:20px;left:20px;background:#ff6b6b;color:white;border:none;padding:12px 20px;border-radius:25px;cursor:pointer;font-weight:bold;z-index:10000}