#week-picker-div {
    font-family: Arial,
    sans-serif;
}

#week-picker-div button {
    background: #8D9F88;
    color: #fff;
    border: none;
    padding: 10px;
    cursor: pointer;
    width: 33px;
    margin: 1px 0px 0px 0px;
}

#week-picker-div button:hover { background: #8D9F88; }
#months-container { display: flex; margin: auto;  justify-content: center;}
.month-column { margin: 0 10px; }
.month-column h3 { text-align: center; margin-bottom: 5px; }
.month-column h4 { text-align: center; margin-bottom: 5px; font-size: 12px;}
.saturday {
    cursor: pointer;
    padding: 20px;
    text-align: center;
    border-radius: 4px;
    margin: 2px 0;
    border: 1px solid #eee;
}
.saturday:hover { background: #FBF2DE; }
.saturday.selected { background: #FBF2DE; color: #114227; }

.popup {
    position: fixed;
    top: 52%; left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1001;
    max-width: 90%;
    visibility: hidden;
}

.overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.overlay.active,
.popup.active {
    opacity: 1;
    visibility: visible;
}

.pager {
    width: 100%;
    background-color: #8D9F88;
    border-radius: 2px;
    height: 45px;
    margin-bottom:10px;
}

#prev-months-div {
    float:left;
}

#next-months-div {
    float:right;
}

/* mobile tweaks */
@media (max-width: 599px) {
    .month-column {
        margin: 0 1px;
    }
    #months-container {
        margin: auto;
    }
    .popup {
        border-radius: 0px;
        max-width: 100%;
        width: 100%;
        padding: 0.0rem;
        visibility: hidden;
        box-shadow: 0px 0px 13px 12px rgba(0, 0, 0, 0.3);
    }
    .saturday {
        padding: 18px;
    }
}