.containerPdf{margin:0 auto;padding:20px;background:#f5f5f5;border-radius:10px}
.mode-select{margin-bottom:20px}
.mode-select select{width:100%;padding:10px;border-radius:5px;background:#3a3a4a;color:#fff;border:1px solid #ccc;font-size:16px}
.drop-zone{border:2px dashed #aaa;padding:50px 20px;text-align:center;border-radius:10px;margin-bottom:20px;cursor:pointer;background:#fff}
.drop-zone:hover{background-color:#ddd}
.drop-zone.dragover{border-color:#28a745;background-color:#e8f5e9}
.file-list{margin-bottom:20px}
.file-list ul{list-style:none;padding:0}
.file-list li{background:#3a3a4a;padding:10px;border-radius:5px;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center;cursor:move}
.file-list li.dragging{opacity:.5}
.file-list li button{background:#ff6b6b;color:white;border:none;border-radius:5px;padding:5px 10px;cursor:pointer}
.file-list li button:hover{background:#ff4949}
.download-btn{width:100%;display:block;margin:20px auto;padding:15px 30px;background:#36a65d;color:white;border:none;border-radius:5px;cursor:pointer;font-size:18px;font-weight:900;transition:background-color .3s ease}
.download-btn:hover{background:#218838}
.download-btn:disabled{background:#7e7e7e;cursor:not-allowed}