body{background:#121212;color:#eee;font-family:sans-serif;padding:30px}button{margin-top:15px;padding:10px 20px;font-size:16px;cursor:pointer}.progress{margin-top:15px;width:100%;height:20px;background:#333;border-radius:10px;overflow:hidden}#bar{height:100%;width:0%;background:#4caf50;transition:width .2s}input[type=file]{display:none}.custom-file-upload{background-color:#f6f6f6;color:#121212;height:40px;line-height:40px;border-radius:5px;border:1px solid #ccc;display:inline-block;padding:6px 12px;cursor:pointer}.custom-file-upload:hover{background-color:#e0e0e0}.file-name-input{background-color:transparent;color:#ccc;border:solid 1px #ccc;border-radius:5px;font-size:20px}ul{list-style:decimal}#fileSelected li{display:flex;align-items:end;vertical-align:middle;gap:8px;margin-bottom:6px}.preview-btn{cursor:pointer;padding:4px 8px;font-size:14px}