#calendar-kegiatan {
    max-width: 1200px;
    margin: 20px auto;
    background: #fff;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0px 2px 8px rgba(0,0,0,0.1);
}
.ck-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 80px;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.6);
}
.ck-modal-content {
    background: #fff;
    margin: auto;
    padding: 20px;
    border-radius: 10px;
    width: 50%;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
.ck-close {
    float: right;
    font-size: 22px;
    cursor: pointer;
}
.popup-item {
    margin-bottom: 10px;
}