* {
  box-sizing: border-box;
}

html {
  --background-colour: #121212;
  --link-colour: #c0c0ff;
  --heading-colour: #ffffff;
  --text-colour: #e0e0e0;

  margin: 0;
  background-color: var(--background-colour);
  font-family: "Courier New", Courier, monospace;
}

body {
  margin: 10px;
  color: var(--text-colour);
}

a {
  text-decoration: none;
  color: var(--link-colour);
}
a:hover {
  text-decoration: underline;
}

nav {
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: row;
  gap: 20px;
  padding: 15px 20px;
}
nav > a {
  color: #f0f0f0;
  font-weight: bold;
}

.units-container {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}
.units-sidebar-container {
  flex: 300px 1 0;
}
.units-sidebar-scroll-container {
  height: 100vh;
  position: sticky;
  top: 0px;
  padding: 10px;
}
.units-sidebar {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  scrollbar-gutter: stable;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 10px 4px 10px 10px;
  gap: 5px
}
.units-sidebar > div {
  display: contents;
}
.units-sidebar a {
  color: var(--text-colour);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 5px;
  padding: 5px;
}
.units-sidebar > div a {
  margin-left: 20px;
}


.units-sidebar:not(:hover) { 
  overflow-y: hidden;
}

div.units-sidebar {
  --sb-track-color: #00000000;
  --sb-thumb-color: #080808;
  --sb-size: 10px;
}

div.units-sidebar::-webkit-scrollbar {
  width: var(--sb-size);
}

div.units-sidebar::-webkit-scrollbar-track {
  background: var(--sb-track-color);
  border-radius: 7px;
}

div.units-sidebar::-webkit-scrollbar-thumb {
  background: var(--sb-thumb-color);
  border-radius: 7px;
  background-clip: content-box;
  border: 2px solid transparent;
}

@supports not selector(::-webkit-scrollbar) {
  div.units-sidebar {
      scrollbar-color: var(--sb-thumb-color) var(--sb-track-color);
  }
}


.units-list {
  flex: 400px 10000 0;
}

.unit-class {
  display: grid;
  grid-template-columns: repeat(auto-fit, 115px);
  align-items: end;
  justify-items: start;
  gap: 10px;
  justify-content: start;
}

.unit {
  width: min-content;
  /* max-width: 115px; */
  color: var(--text-colour);
}
.unit > * {
  color: var(--text-colour);
}
.unit img {
  display: block;
  width: 115px;
  height: 115px;
  object-fit: cover;
}



.unit-tier-container, .unit-class-container {
  position: relative;
}
.unit-tier-container > h2 {
  background-color: var(--background-colour);
  position: sticky;
  top: -1px;
  padding: 2px 0;
  z-index: 10;
}
.unit-class-container > h3 {
  background-color: var(--background-colour);
  position: sticky;
  top: 30px;
  z-index: 9;
}

select {
  font-size: inherit;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-colour);
  padding: 5px 0;
  font-family: "Courier New", Courier, monospace;
  border-radius: 5px;
}
option {
  font-size: inherit;
  background-color: var(--background-colour);
  color: var(--text-colour);
  font-family: "Courier New", Courier, monospace;
}

hr {
  width: 100%;
  border-color: rgba(255, 255, 255, 0.3);
}


.unit-info {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 30px;
}

.weapons {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 30px;
}
.weapon {
  flex-grow: 1;
}