.download-button{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;color:#fff;background-color:#0d6efd;border-radius:8px;text-decoration:none;font-weight:600;transition:background-color .3s,transform .2s;border:none}.download-button:hover,.download-button:focus{background-color:#0b5ed7;transform:translateY(-2px);color:#fff}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:#000000b3;animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{position:relative;background-color:#fff;margin:5% auto;padding:0;border:none;width:90%;max-width:800px;border-radius:16px;box-shadow:0 10px 30px #0003;animation:slideIn .4s ease-out;display:flex;flex-direction:column}@keyframes slideIn{0%{transform:translateY(-50px);opacity:0}to{transform:translateY(0);opacity:1}}.close-btn{position:absolute;top:10px;right:20px;color:#fff;font-size:35px;font-weight:700;cursor:pointer;transition:color .3s;z-index:2;text-shadow:1px 1px 3px rgba(0,0,0,.5)}.close-btn:hover,.close-btn:focus{color:#bbb;text-decoration:none}.modal-image-container{position:relative;width:100%;background-color:#1a1a1a;border-top-left-radius:16px;border-top-right-radius:16px;overflow:hidden}.product-image{display:block;width:100%;max-height:70vh;-o-object-fit:contain;object-fit:contain}.prev,.next{cursor:pointer;position:absolute;top:50%;transform:translateY(-50%);width:auto;padding:16px;color:#fff;font-weight:700;font-size:24px;transition:.3s ease;border-radius:0 5px 5px 0;-webkit-user-select:none;-moz-user-select:none;user-select:none;background-color:#0006}.next{right:0;border-radius:5px 0 0 5px}.prev{left:0}.prev:hover,.next:hover{background-color:#000c}.product-info{padding:20px 25px;display:flex;justify-content:space-between;align-items:center;background:#f8f9fa;border-bottom-left-radius:16px;border-bottom-right-radius:16px}.info-header{flex-grow:1}.product-title{margin:0;font-size:1.5rem;font-weight:700;color:#333}.product-details{margin:5px 0 0;color:#6c757d;font-size:.9rem}.author-info{display:inline-flex;align-items:center;gap:8px;background-color:#e9ecef;padding:6px 12px;border-radius:50px;font-size:.85rem;color:#495057;margin-top:8px}.author-info i{color:#6c757d}.author-info strong{font-weight:600;color:#212529}.info-actions{display:flex;align-items:center;gap:15px}.price-wrapper{min-width:80px;text-align:center}.product-price{font-size:1.75rem;font-weight:700;color:#1a1a1a;margin:0}.product-price-free{font-size:1.5rem;font-weight:700;color:#28a745;margin:0}.buy-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;color:#fff;background-color:#28a745;border-radius:8px;text-decoration:none;font-weight:600;transition:background-color .3s,transform .2s;border:none;cursor:pointer}.buy-btn:hover,.buy-btn:focus{background-color:#218838;transform:translateY(-2px)}@media (max-width: 768px){.modal-content{margin:10% auto;width:95%}.product-info{flex-direction:column;align-items:flex-start;gap:15px}.info-actions{width:100%;justify-content:space-between}.product-title{font-size:1.25rem}.product-price{font-size:1.5rem}}