:root {
    --bar-width: 25px;
    --bar-height: 2px;
    --hamburger-gap: 6px;
    --foreground: white;
    --background: white; 
    --hamburger-margin: 2px;
    --animation-timing: 200ms ease-in-out;
    --hamburger-height: calc(var(--bar-height) * 3 + var(--hamburger-gap) * 2);
    --sidebar-width: min(33%, 400px);
    --sidebar-width-mobile: 75%;
}
header {
    position: sticky;
    top: 0;
    z-index: 5;
}
.hamburger-menu {
    --x-width: calc(var(--hamburger-height) * 1.41421356237); /*square root of 2*/
    display: flex;
    flex-direction: column;
    gap: var(--hamburger-gap);
    width: max-content;
    position: relative;
    left: var(--hamburger-margin);
    z-index: 6;
    cursor: pointer;
}
.hamburger-menu:has(input:checked)::before,
.hamburger-menu:has(input:checked)::after {
    box-shadow: 0 0 0 1px var(--foreground);
}
.hamburger-menu:has(input:focus-visible)::before,
.hamburger-menu:has(input:focus-visible)::after,
.hamburger-menu input:focus-visible {
    border: 1px solid var(--background);
    box-shadow: 0 0 0 1px var(--foreground);
}
.hamburger-menu::before,
.hamburger-menu::after,
.hamburger-menu input{
    content: "";
    width: var(--bar-width);
    height: var(--bar-height);
    background-color: var(--foreground);
    border-radius: 9999px;
    transform-origin: left center;
    transition: opacity var(--animation-timing), width var(--animation-timing), rotate var(--animation-timing), translate var(--animation-timing), background-color var(--animation-timing);
}
.hamburger-menu input {
    appearance: none;
    padding: 0;
    margin: 0;
    outline: none;
    pointer-events: none;
    width: var(--bar-width) !important;
    height: var(--bar-height) !important;
}
/* LEFT sidebar MENU "X" positioning: 1rem right side of sidebar */
.hamburger-menu:has(input:checked) {
    position: fixed;
    left: calc(var(--sidebar-width) - 1rem);
    top: 1.5rem;
}
/* RIGHT sidebar MENU "X" positioning: 1rem right side of sidebar */
.inner3 .hamburger-menu:has(input:checked) {
    left: auto;
    right: calc(var(--sidebar-width) - 1rem);
}
.hamburger-menu {
    transition:
        left var(--animation-timing),
        right var(--animation-timing),
        translate var(--animation-timing);
}

.hamburger-menu:has(input:checked)::before{
    rotate: 45deg;
    width: var(--x-width);
    translate: 0 calc(var(--bar-height)/-2);
    background-color: #333; 
}
.hamburger-menu:has(input:checked)::after{
    rotate: -45deg;
    width: var(--x-width);
    translate: 0 calc(var(--bar-height)/2);
    background-color: #333; 
}
.hamburger-menu input:checked {
    opacity: 0;
    width: 0;
}
.sidebar {
    transition: translate var(--animation-timing);
    position: fixed;
    top: 0;
    left: 0;
    translate: -100%;
    padding: .5rem 1rem;
    padding-top: calc(var(--hamburger-height) + var(--hamburger-margin) + 2rem);
    background-color: #f7f7f7;
    color: black;
    min-width: var(--sidebar-width);
    max-width: var(--sidebar-width);
    height: 100vh;
    font-size: 0.875rem;
    text-align: left;
}
/* RIGHT SIDEBAR OPTION */
.inner3 .sidebar {
    left: auto;
    right: 0;
    translate: 100%;
}
.hamburger-menu:has(input:checked) + .sidebar{
    translate: 0;
}

@media (max-width: 600px) {
   .sidebar {
        min-width: var(--sidebar-width-mobile);
        max-width: var(--sidebar-width-mobile);
    }
    .hamburger-menu:has(input:checked) {
        left: calc(var(--sidebar-width-mobile) - 1rem);
    }
    /* RIGHT SIDEBAR mobile */
    .inner3 .hamburger-menu:has(input:checked) {
        left: auto;
        right: calc(var(--sidebar-width-mobile) - 1rem);
    }
}

.sidebar nav a {
    color: black;
    text-transform: uppercase;
}
.sidebar nav a:hover {
    color: #004B87;
    font-weight: 700;
}
details {
    margin-bottom: .5em;
}
details summary {
    /* color: blue; */
    font-weight: bold;
}