.gcal-form {
    max-width: 500px;
    margin: 20px auto;
    padding: 30px;
    background: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.gcal-form h2 {
    margin-top: 0;
    text-align: center;
}
.gcal-form input, .gcal-form select, .gcal-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}
.gcal-form button {
    width: 100%;
    padding: 15px;
    background: #0073aa;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 18px;
    cursor: pointer;
}
.gcal-form button:hover {
    background: #005a87;
}
#gcal-msg {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    display: none;
}
#gcal-msg.success {
    background: #d4edda;
    color: #155724;
}
#gcal-msg.error {
    background: #f8d7da;
    color: #721c24;
}