/* --------------------------- */
/* CSS resets provided by Andy Bell */
/* Make sure textareas without a rows attribute are not tiny */
textarea:not([rows]) {
  min-height: 10em;
}

/* Anything that has been anchored to should have extra scroll margin */
:target {
  scroll-margin-block: 5ex;
}

/* Inherit fonts for inputs and buttons */
input, button,
textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}
/* --------------------------- */

/* Color and media constants */
:root {
  --main-bg-color: #4c4c51;
  --main-font-color: #d5d5d5;
  --sidebar-bg-color: #222226;
  --unvisited-link-color: #1bd4d6;
  --visited-link-color: #59aeaf;
  --hover-link-color: #99f6f7;
  --expanded-submenu-header-color: #004f50;
  --expanded-submenu-body-color: #303030;
  --active-menu-item-color: #ffffff;
}

/* Fonts */
@font-face {
  font-family: "Fanwood";
  src: url('assets/fonts/FanwoodText-Regular.ttf');
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: "Fanwood";
  src: url('assets/fonts/FanwoodText-Italic.ttf');
  font-weight: normal;
  font-style: italic;
}

/* Accessibility for keyboard controls users */
/* See https://accessibility.oit.ncsu.edu/it-accessibility-at-nc-state/developers/accessibility-handbook/mouse-and-keyboard-events/skip-to-main-content/ */
a.skip {
  left: -999px;
  position: absolute;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: -999;
}
a.skip:focus, a.skip:active {
  color: var(--unvisited-link-color);
  background-color: var(--main-bg-color);
  left: auto;
  top: auto;
  width: 30%;
  height: auto;
  overflow: auto;
  margin: 10px 35%;
  padding: 5px;
  border-radius: 15px;
  border: 4px;
  border-color: var(--main-font-color);
  text-align: center;
  font-size: 1.2em;
  z-index: 999;
}

body {
  background-color: var(--main-bg-color);
  color: var(--main-font-color);
  font-family: "Fanwood", Palatino, serif;
  font-size: 1.3rem;
  margin: 0;
}

h1,
h2 {
  max-width: 50ch;
}
p,
li,
dl {
  max-width: 100ch;
}

a {
  text-underline-offset: 2px;
}
/* unvisited link */
a:link {
  color: var(--unvisited-link-color);
}
/* visited link */
a:visited {
  color: var(--visited-link-color);
}
/* mouse over link */
a:hover {
  color: var(--hover-link-color);
}

#body-wrapper {
  display: flex;
  flex-direction: row;
}

#sidebar {
  background-color: var(--sidebar-bg-color);
  min-height: 100vh;
  height: 100%;
}
#avatar {
  display: block;
  margin: auto;
  padding-top: 15px;
  height: 175px;
  border-radius: 50%;
}
#nav {
  min-width: 12em;
  margin: 25px 0;
  padding: 0;
  list-style-type: none;
}
#nav > li {
  margin-bottom: 5px;
}
.menu-title {
  padding-left: 25px;
  list-style: none;
  font-size: 1.3em;
  cursor: pointer;
}
.menu-link {
  display: block;
  cursor: pointer;
  color: inherit !important;
  text-decoration: none !important; 
}
.menu-link:hover {
  color: var(--hover-link-color) !important;
}
.menu-title::-webkit-details-marker {
  display: none;
}
.active-menu-item {
  display: block;
  font-weight: 800;
  color: var(--active-menu-item-color);
  background-color: var(--expanded-submenu-header-color);
  cursor: default;
}
.submenu-items {
  padding-top: 5px;
  padding-bottom: 5px;
  list-style-type: none;
  font-size: 1.1em;
  padding-left: 0;
  background-color: var(--expanded-submenu-body-color);
}
.submenu-items > li > a {
  padding-left: 40px;
}
.submenu-items > li > span {
  padding-left: 40px;
}
#site-credits {
  font-size: .8em;
  text-align: center;
  margin-top: 20px;
}
#site-credits > p {
  margin: 10px;
}

#not-sidebar {
  flex-grow: 2;
}

#banner img {
  max-width: 100%;
}
main:focus {
  outline: none;
}
article {
  padding: 20px;
  padding-top: 0;
  min-width: 320px;
}
article h1 {
  font-size: 1.5em;
}

/* --------------------------- */
/* Adapted from Andy Bell's responsive burger menu */
/* From https://piccalil.li/blog/build-a-fully-responsive-progressively-enhanced-burger-menu/ */
/* Hide the trigger normally */
.burger-menu__trigger {
  display: none;
}

/* Get sidebar to extend all the way down the page */ 
.burger-menu {
  height: 100%;
}
.burger-menu__panel {
  height: 100%;
}

/* Style the bars on the trigger */
.burger-menu__bar,
.burger-menu__bar::before,
.burger-menu__bar::after {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--main-font-color);
  border: 1px solid var(--main-font-color);
  position: absolute;
  border-radius: 3px;
  left: 50%;
  margin-left: -12px;
  transition: transform 350ms ease-in-out;
}
.burger-menu__bar {
  top: 50%;
  transform: translateY(-50%);
}
.burger-menu__bar::before,
.burger-menu__bar::after {
  content: '';
}
.burger-menu__bar::before {
  top: -8px;
}
.burger-menu__bar::after {
  bottom: -8px;
}

/* Position and size the trigger when it's enabled */
.burger-menu[enabled='true'] .burger-menu__trigger {
  display: block;
  width: 2rem;
  height: 2rem; /* Nice big tap target */
  position: absolute;
  z-index: 1;
  background: transparent;
  border: none;
  cursor: pointer;
  margin-top: 15px;
  margin-left: 15px;
}

/* Styling for elements inside the burger menu */
.burger-menu[enabled='true'] #avatar {
  padding-top: 0;
}
@media (max-height: 50rem) {
  .burger-menu[enabled='true'] #avatar {
    display: none;
  }
}
.burger-menu[enabled='true'] #nav {
  width: 100%;
}
.burger-menu[enabled='true'] #site-credits {
  text-align: left;
  margin-top: 20px;
}
.burger-menu[enabled='true'] .submenu-items {
  padding-top: 2rem;
  padding-bottom: 2rem;
}
.burger-menu[enabled='true'] .burger-menu__panel {
  position: absolute;
  top: 0;
  left: 0;
  padding: 4rem 1.5rem 2rem 1.5rem;
  width: 100%;
  height: 100%;
  visibility: hidden;
  opacity: 0;
  background: var(--sidebar-bg-color);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.burger-menu[enabled='true'] .navigation ul {
  display: block;
}
.burger-menu[enabled='true'] .navigation ul > * + * {
  margin-top: 2rem;
}
.burger-menu[enabled='true'] .navigation li {
  font-size: 1.5rem;
}

/* Style and animate the background panel for the menu */
.burger-menu[enabled='true'][status='open'] .burger-menu__panel {
  visibility: visible;
  opacity: 1;
  transition: opacity 400ms ease;
}
.burger-menu[enabled='true'][status='closed'] .burger-menu__panel > * {
  opacity: 0;
  transform: translateY(5rem);
}
.burger-menu[enabled='true'][status='open'] .burger-menu__panel > * {
  transform: translateY(0);
  opacity: 1;
  transition: opacity 400ms ease;
}

/* Style and animate the trigger in the open state */
.burger-menu[enabled='true'][status='open'] .burger-menu__bar::before {
  top: 0;
  transform: rotate(45deg);
}
.burger-menu[enabled='true'][status='open'] .burger-menu__bar::after {
  top: 0;
  transform: rotate(-45deg);
}
.burger-menu[enabled='true'][status='open'] .burger-menu__bar {
  background: transparent;
  border-color: transparent;
  transform: rotate(180deg);
}
/* --------------------------- */

.centered-header {
  text-align: center;
	margin: 20px auto 20px auto;
}
.centered-page-block {
	margin: 0 auto 0 auto;
  width: fit-content;
}

/* Formatting panels on the main page */
#panel-container-portrait {
  display: flex;
  flex-direction: row;
  column-gap: 20px;
  justify-content: center;
}
#panel-container-landscape {
  display: none;
}
@media (max-width: 800px) { 
  #panel-container-portrait {
    display: none;
  }
  #panel-container-landscape {
    display: flex;
    flex-direction: column;
    row-gap: 10px;
  }
}

.panel img {
  max-width: 100%;
  min-width: 200px;
}

.lightbox-wrapper {
  max-width: 1500px;
}