body {
    font-family: 'Segoe UI', sans-serif;
    background: #f0f0f5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

.container {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

input {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    margin: 20px 0;
    border: 2px solid #ccc;
    border-radius: 8px;
}

.strength {
    height: 12px;
    width: 100%;
    background: #ddd;
    border-radius: 50px;
    overflow: hidden;
    margin-bottom: 10px;
}

.bar {
    height: 100%;
    width: 0%;
    background: red;
    border-radius: 50px;
    transition: width 0.3s ease;
}

.feedback {
    font-weight: bold;
}