.pdf-documents-section{margin-top:2rem}.pdf-documents-section h2{color:#38453e;font-size:1.5rem;font-weight:600;margin-bottom:.5rem}.pdf-thumbnails-container{margin-top:1rem}.pdf-thumbnails-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(160px, 1fr));gap:1.5rem;margin-top:1rem}.pdf-thumbnail-item{cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.1);text-decoration:none;color:inherit}.pdf-thumbnail-item:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.15);text-decoration:none;color:inherit}.pdf-thumbnail-item:hover .pdf-preview-overlay{opacity:1}.pdf-thumbnail-item:focus{outline:2px solid #7bac37;outline-offset:2px}.pdf-thumbnail-preview{position:relative;height:200px;background:linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);display:flex;align-items:center;justify-content:center;border-bottom:1px solid #dee2e6;overflow:hidden}.pdf-thumbnail-image{width:100%;height:100%;object-fit:cover;object-position:top;display:block}.pdf-icon{font-size:3rem;color:#dc3545;z-index:1}.pdf-preview-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s ease;z-index:2}.pdf-preview-overlay i{color:#fff;font-size:1.5rem}.pdf-thumbnail-title{padding:1rem;font-size:.9rem;font-weight:500;color:#38453e;text-align:center;line-height:1.4}@media(max-width: 768px){.pdf-thumbnails-grid{grid-template-columns:repeat(auto-fill, minmax(130px, 1fr));gap:1rem}.pdf-thumbnail-preview{height:160px}.pdf-icon{font-size:2.5rem}}@media(max-width: 480px){.pdf-thumbnails-grid{grid-template-columns:repeat(auto-fill, minmax(110px, 1fr))}.pdf-thumbnail-preview{height:140px}.pdf-icon{font-size:2rem}.pdf-thumbnail-title{padding:.75rem .5rem;font-size:.8rem}}