body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    text-align: center;
    width: 320px;
}

input[type="password"] {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    margin-top: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

label {
    display: block;
    margin-bottom: 15px;
    font-size: 14px;
}

#strengthMessage {
    font-weight: bold;
    margin-bottom: 10px;
}

#progressBar {
    width: 100%;
    height: 10px;
    background-color: #ddd;
    border-radius: 5px;
    margin-top: 10px;
}

#bar {
    height: 100%;
    width: 0%;
    background-color: red;
    border-radius: 5px;
    transition: width 0.3s;
}