body {
    background-color: #f8f9fa;
    padding: 20px;
    font-family: Arial, sans-serif;
}

header {
    background: linear-gradient(135deg, #0d6efd, #6610f2);
    color: white;
    text-align: center;
    padding: 25px 0;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

header h1 {
    font-size: 2rem;
    letter-spacing: 1px;
    font-weight: 600;
    margin: 0;
}
.form-container {
    display: flex;
    justify-content: center;
    gap: 20px; 
    flex-wrap: wrap; 
}

.card-form {
    flex: 1;
    min-width: 400px;
    max-width: 500px;
    padding: 20px;
    border-radius: 10px;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    justify-content: flex-start; 
    height: 330px; 
}

.card-form form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.card-form input,
.card-form button {
    width: 100%;
    box-sizing: border-box;
    padding: 10px;
    font-size: 1rem;
    border-radius: 8px;
    margin: 0; 
}