.sidemenu {
    width: 60px;
    height: 100%;
    padding: 1rem;
    background-color: var(--color-turq-hover);
    transition: 
        width 0.2s ease,
        opacity 0.3s ease;

    display: grid;
    grid-auto-rows: min-content;
    overflow: hidden;
}


.sidemenu-item {
    margin: 1rem;
    opacity: 0;
    transition: opacity 0.2s ease;

}

.sidemenu .sidemenu-option {
    border-bottom: 1px solid black;
    width: 100%;
}

.sidemenu-item a {
    color: var(--color-black);
    text-decoration: none;
    font-size: large;
}

.sidemenu-header {
    display: block
}

.icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  display: block;
  transition: opacity 0.1s ease;
}

/* text (hidden when collapsed) */
.icon-text {
    font-size: larger;
    font-weight: bold;
    text-align: left;
    text-decoration: underline;

    opacity: 0;
    white-space: nowrap;
    transition: opacity 0.1s ease;
}

.sidemenu:hover {
    width: 250px;
    padding: 1rem;
    border-right: 1px solid #ddd;
}

.sidemenu:hover .sidemenu-item {
    opacity: 1;
}

.sidemenu:hover .icon {
    opacity: 0;
}

.sidemenu:hover .icon-text {
    opacity: 1;
}

.sidemenu-item .drop-content {
    display: grid;
    grid-auto-rows: min-content;
    gap: 0.5em;
    padding-left: 1rem;

    max-height: 0;             /* collapsed */
    opacity: 0;
    overflow: hidden;
    transition:
        max-height 0.25s ease,
        opacity 0.25s ease,
        transform 0.05s ease;
}

.sidemenu-item .drop-content a:first-child {
    margin-top: 0.5em;
}

/* dropdown links inside */
.sidemenu-item .drop-content .drop-option {
    padding: 0.25rem 0.75rem;
}

/* when hovering a menu item, expand its dropdown */
.sidemenu-item:hover .drop-content {
    max-height: 500px;               /* big enough to fit children */
    opacity: 1;
    
}