body{font-family:Arial,Helvetica,sans-serif;background-image:url(/uploads/CSV-file-image.jpg);background-size:cover;background-repeat:no-repeat;height:100vh;margin:0;display:flex;justify-content:center;align-items:center}input[type=password]{width:100%;padding:12px 20px;margin:8px 0;display:inline-block;border:1px solid #ccc;box-sizing:border-box}main{padding:20px;display:flex;flex-direction:column;align-items:center}form{padding:20px;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1);width:300px;max-width:100%}.form-control{width:100%;position:relative}label{display:block;margin-bottom:10px;font-weight:600}input[type=password]{position:relative;width:100%;padding:10px;border:1px solid #ccc;border-radius:4px;margin-bottom:20px}button{background-color:#007bff;color:#fff;padding:10px 20px;border:none;border-radius:4px;cursor:pointer;width:100%}button:hover{background-color:#0056b3}.response-container{padding:16px}#response{font-size:18px;line-height:1.6;color:#3c763d}#response.error{color:#a94442}