body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #121212;
    color: #e0e0e0;
    margin: 0;
}
.container {
    background-color: #1e1e1e;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 400px;
    transition: transform 0.3s ease-in-out;
}
.container:hover {
    transform: scale(1.02);
}
.form-group {
    width: 100%; 
    margin-bottom: 20px;
}
.form-group h2 {
    margin-bottom: 20px;
    color: #ffffff;
    text-align: center;
    font-size: 24px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #ffffff;
    font-size: 14px;
}
.form-group input {
    width: calc(100% - 24px); 
    padding: 12px;
    margin-bottom: 10px;
    border: none;
    border-radius: 6px;
    background-color: #2c2c2c;
    color: #e0e0e0;
    font-size: 16px;
    transition: background-color 0.3s ease-in-out;
}
.form-group input:focus {
    outline: none;
    background-color: #3c3c3c;
}
.form-group button {
    width: calc(100% - 24px); 
    display: block;
    padding: 12px;
    border: none;
    border-radius: 6px;
    background-color: #ffffff;
    color: #121212;
    font-weight: bold;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease-in-out;
    margin: 0 auto; 
}
.form-group button:hover {
    background-color: #c4c4c4;
}
.toggle-link {
    display: block;
    margin-top: 10px;
    color: #ffffff;
    cursor: pointer;
    text-align: center;
    font-size: 14px;
    transition: color 0.3s ease-in-out;
    text-decoration: none;
}
.toggle-link:hover {
    color: #949494;
}
@media (min-width: 600px) {
    .container {
        width: 300px;
    }
}