body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #e3f2fd;
}
.container {
    text-align: center;
    background: #ffffff;
    padding: 40px 50px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    width: 360px;
    transition: all 0.3s ease;
}
.container:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}
h1 {
    margin-bottom: 20px;
    color: #1e88e5;
    font-size: 28px;
    font-weight: bold;
}
.password-container {
    position: relative;
    width: 100%;
}
input[type="password"] {
    width: 100%;
    padding: 15px 45px 15px 15px;
    margin-top: 10px;
    margin-bottom: 20px;
    border: 1px solid #90caf9;
    border-radius: 6px;
    font-size: 18px;
    box-sizing: border-box;
    transition: all 0.3s ease;
}
input[type="password"]:focus {
    border-color: #1e88e5;
    outline: none;
    box-shadow: 0 0 5px rgba(30, 136, 229, 0.5);
}
#togglePassword {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    cursor: pointer;
    color: #90caf9;
    font-size: 18px;
    transition: color 0.3s ease;
}
#togglePassword:hover {
    color: #1e88e5;
}
#strengthMessage {
    margin: 15px 0;
    font-size: 16px;
    color: #1565c0;
    font-weight: bold;
}
.strength-meter {
    width: 100%;
    height: 12px;
    background: #bbdefb;
    border-radius: 6px;
    overflow: hidden;
    margin-top: 10px;
}
.strength-bar {
    height: 100%;
    transition: width 0.3s, background-color 0.3s;
}
.strength-bar.weak {
    background: #ef5350;
    width: 20%;
}
.strength-bar.medium {
    background: #ffca28;
    width: 50%;
}
.strength-bar.strong {
    background: #66bb6a;
    width: 75%;
}
.strength-bar.very-strong {
    background: #2e7d32;
    width: 100%;
}