main{ 
    display:flex; 
    justify-content:center; 
    align-items:center; 
}
form.card {
    background-color: #1e1e1e;
    padding: 25px 45px 25px 45px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    color: #f1f1f1;
    width: 90%;
    max-width: 530px; /* Increased max width for a wider appearance */
    box-sizing: border-box;
}

form.card h2 { 
    margin-bottom: 1rem; 
    color: #f8f8f8; 
    font-weight: 600; 
    font-size: 1.5rem; 
} 
 
form.card label { 
    display: block; 
    margin-bottom: 1rem; 
    font-weight: 500; 
    color: #cfcfcf; 
} 
 
/* Input Fields */ 
form.card input[type="text"], 
form.card input[type="password"] { 
    width: 100%; 
    padding: 0.75rem; 
    margin-top: 0.5rem; 
    background-color: #333; 
    border: 1px solid #555; 
    border-radius: 4px; 
    color: #f8f8f8; 
    font-size: 1rem; 
} 
 
form.card input[type="text"]:focus, 
form.card input[type="password"]:focus { 
    border-color: #888; 
    outline: none; 
} 
 
/* Error Notice */ 
form.card .notice.error { 
    background-color: #d9534f; 
    color: #fff; 
    padding: 0.75rem; 
    margin-bottom: 1rem; 
    border-radius: 4px; 
    font-size: 0.9rem; 
} 
 
/* Validation Error Message */ 
form.card small { 
    display: block; 
    color: #ff6b6b; 
    margin-top: 0.3rem; 
    font-size: 0.85rem; 
} 
 
/* Submit Button */ 
form.card button#submit { 
    display: block; 
    margin: 10px 30px; 
    padding: 0.70rem 0.60rem; 
    background-color: #007bff; 
    border: none; 
    border-radius: 4px; 
    color: #fff; 
    font-weight: 600; 
    font-size: 1rem; 
    cursor: pointer; 
    transition: background-color 0.3s; 
    width: 85%; /* Keeps button full width */ 
} 
 
form.card button#submit:hover { 
    background-color: #0056b3; 
} 
 
/* Link to Register */ 
form.card p.register-link { 
    margin-top: 1rem; 
    text-align: center; 
    color: #b3b3b3; 
    font-size: 0.9rem; 
} 
 
form.card p.register-link a { 
    color: #007bff; 
    text-decoration: none; 
    font-weight: 500; 
} 
 
form.card p.register-link a:hover { 
    text-decoration: underline; 
}