:root{--primary-color: #0d6efd;--secondary-color: #6c757d;--success-color: #198754;--danger-color: #dc3545;--warning-color: #ffc107;--info-color: #0dcaf0;--light-color: #f8f9fa;--dark-color: #212529}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:var(--light-color)}.card{border:none;box-shadow:0 .125rem .25rem #00000013;transition:box-shadow .15s ease-in-out}.card:hover{box-shadow:0 .5rem 1rem #00000026}.btn{border-radius:.375rem;font-weight:500;transition:all .15s ease-in-out}.btn:hover{transform:translateY(-1px)}.search-container{background:#fff;border-radius:.5rem;padding:2rem;margin-bottom:2rem;box-shadow:0 .125rem .25rem #00000013}.results-container{background:#fff;border-radius:.5rem;padding:1.5rem;box-shadow:0 .125rem .25rem #00000013}.loading-spinner{display:none}.loading-spinner.show{display:inline-block}.file-upload-area{border:2px dashed #dee2e6;border-radius:.5rem;padding:2rem;text-align:center;transition:border-color .15s ease-in-out;cursor:pointer}.file-upload-area:hover{border-color:var(--primary-color);background-color:#0d6efd0d}.file-upload-area.dragover{border-color:var(--primary-color);background-color:#0d6efd1a}@media (max-width: 768px){.search-container,.results-container{padding:1rem;margin-bottom:1rem}.btn-group-vertical .btn{margin-bottom:.5rem}}