:root {
    --navigation-panel-bg: #f8f9fa;
    --navigation-panel-bg-hover: #eef1f4;
    --navigation-panel-shadow-base: rgba(0, 0, 0, 0.1);
    --navigation-panel-shadow-hover: rgba(0, 0, 0, 0.15);
    --navigation-panel-tooltip-bg: #333;
    --navigation-panel-tooltip-text: #fff;
    --navigation-panel-icon-color: #007bff;
    --navigation-panel-icon-text-color: #212529;
}

.menu-item {
    position: relative; /* necessario per posizionare ::before */
    padding: 1rem;
    margin: 0;
    cursor: pointer;
    text-align: center;
    height: 100%;
    box-sizing: border-box;
    /* nessun background qui */
}

.menu-item::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background-color: var(--navigation-panel-bg);
    border-radius: 1rem;
    box-shadow: 0 2px 6px var(--navigation-panel-shadow-base);
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
    z-index: 0;
}

/* Per mantenere i contenuti sopra il background */
.menu-item > * {
    position: relative;
    z-index: 1;
}

.menu-item:hover::before {
    background-color: var(--navigation-panel-bg-hover);
    box-shadow: 0 4px 12px var(--navigation-panel-shadow-hover);
    transform: scale(1.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

/* Tooltip */
.menu-item[tooltiptext]:hover::after {
    content: attr(tooltiptext);
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--navigation-panel-tooltip-bg);
    color: var(--navigation-panel-tooltip-text);
    padding: 0.5rem 0.8rem;
    border-radius: 0.5rem;
    white-space: nowrap;
    font-size: 0.875rem;
    z-index: 10;
    opacity: 1;
    pointer-events: none;
}

.menu-item[tooltiptext]:hover::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: transparent transparent var(--navigation-panel-tooltip-bg) transparent;
    z-index: 9;
}

.menu-item-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--navigation-panel-icon-color);
    text-decoration: none;
}

.menu-item-icon n\:div:first-child {
    font-size: 6rem !important;
    margin-bottom: 0.5rem;
}

.menu-item-icon n\:div:last-child {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--navigation-panel-icon-text-color);
}

.dropdown-menu-er {
    --bs-dropdown-zindex: 1000;
    --bs-dropdown-min-width: 10rem;
    --bs-dropdown-padding-x: 0;
    --bs-dropdown-padding-y: 0.5rem;
    --bs-dropdown-spacer: 0.125rem;
    --bs-dropdown-font-size: 1rem;
    --bs-dropdown-color: var(--bs-body-color);
    --bs-dropdown-bg: var(--bs-body-bg);
    --bs-dropdown-border-color: var(--bs-border-color-translucent);
    --bs-dropdown-border-radius: var(--bs-border-radius);
    --bs-dropdown-border-width: var(--bs-border-width);
    --bs-dropdown-inner-border-radius: calc(var(--bs-border-radius) - var(--bs-border-width));
    --bs-dropdown-divider-bg: var(--bs-border-color-translucent);
    --bs-dropdown-divider-margin-y: 0.5rem;
    --bs-dropdown-box-shadow: var(--bs-box-shadow);
    --bs-dropdown-link-color: var(--bs-body-color);
    --bs-dropdown-link-hover-color: var(--bs-body-color);
    --bs-dropdown-link-hover-bg: var(--bs-tertiary-bg);
    --bs-dropdown-link-active-color: #fff;
    --bs-dropdown-link-active-bg: #0d6efd;
    --bs-dropdown-link-disabled-color: var(--bs-tertiary-color);
    --bs-dropdown-item-padding-x: 1rem;
    --bs-dropdown-item-padding-y: 0.25rem;
    --bs-dropdown-header-color: #6c757d;
    --bs-dropdown-header-padding-x: 1rem;
    --bs-dropdown-header-padding-y: 0.5rem;
    position: absolute;
    z-index: var(--bs-dropdown-zindex);
    display: none;
    min-width: var(--bs-dropdown-min-width);
    padding: var(--bs-dropdown-padding-y) var(--bs-dropdown-padding-x);
    margin: 0;
    font-size: var(--bs-dropdown-font-size);
    color: var(--bs-dropdown-color);
    text-align: left;
    list-style: none;
    background-color: var(--bs-dropdown-bg);
    background-clip: padding-box;
    border: var(--bs-dropdown-border-width) solid var(--bs-dropdown-border-color);
    border-radius: var(--bs-dropdown-border-radius);
}

.dropdown-menu-er * {
    color: black;
}