body {
    background-color: #f0f2f5;
    font-family: 'Poppins', sans-serif;
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 15px;
}

.form-container {
    width: 100%;
    max-width: 800px;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.form-container h2 {
    color: #683a96;
    margin-bottom: 20px;
    font-weight: 600;
}

.form-container h3 {
    color: #6a2c5f;
    margin-bottom: 20px;
    font-weight: 600;
}

.form-group {
    text-align: left;
    margin-bottom: 20px;
}

.form-group label {
    font-weight: 600;
    color: #6a2c5f;
}

.form-control {
    border: 1px solid #ced4da;
    border-radius: 4px;
    padding: 8px;
}

.form-control:focus {
    border-color: #ae4a9c;
    box-shadow: 0 0 5px rgba(174, 74, 156, 0.5);
}

.btn-custom {
    background-color: #ae4a9c;
    border-color: #ae4a9c;
    color: #fff;
    padding: 10px;
    font-weight: 600;
    transition: background-color 0.3s, border-color 0.3s;
}

.btn-custom:hover {
    background-color: #6a2c5f;
    border-color: #6a2c5f;
    color: #ecbde3;
}

.logo {
    max-width: 350px;
    height: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.comment-box {
    margin-top: 10px;
}

.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 5px rgba(220, 53, 69, 0.5);
}