#amazon-button,.navbar-section button{color:#fff;font-size:16px;cursor:pointer}body{font-family:Arial,sans-serif;background-color:#f4f4f4;margin:0;padding:0}.app-container{width:100%;height:100vh;display:flex;flex-direction:column;align-items:center}.search-bar{display:flex;align-items:center}.search-bar input{flex:1;padding:10px;border:1px solid #ccc;border-radius:4px;font-size:16px}.search-bar button:hover{background-color:#0056b3}.navbar-section button{background-color:#3b82f6;padding:.6rem;min-width:6rem;border-radius:.5rem;transition:background-color .2s ease-in-out;border:none}.navbar-section button:hover{background-color:#1e40af}.book-viewer-container{width:100%;height:100%;min-height:700px;display:flex;flex-direction:column;align-items:center}.book-viewer-content{flex:1;width:100%;position:relative}@media (min-width:768px){.navbar{flex-direction:row}}#amazon-button{background-color:#eb8d00;border:none;font-weight:700;padding:10px 20px;text-align:center;text-decoration:none;display:inline-block;border-radius:5px}#amazon-button:hover{background-color:#925800}.loading{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);font-size:24px;font-weight:700;color:#333;background:rgba(255,255,255,.8);padding:20px 40px;border-radius:8px;box-shadow:0 0 10px rgba(0,0,0,.1);display:none}.disclaimer,.navbar{color:#fff;width:100%}.loading p{animation:1s infinite alternate fade}@keyframes fade{from{opacity:.5}to{opacity:1}}.navbar{position:fixed;bottom:0;left:0;right:0;background-color:#2d3748;padding:1rem;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-template-rows:auto auto;gap:1rem;align-items:center;box-sizing:border-box}.navbar-section{display:flex;justify-content:center;gap:1rem}.disclaimer{font-size:12px;text-align:center;grid-column:1/-1}