@import url("https://fonts.googleapis.com/css2?family=Fira+Code:wght@300..700&family=Quicksand:wght@300..700&family=SUSE:wght@400..800&display=swap");
input {
  border: none;
  border-radius: var(--radius);
}
input:invalid {
  outline: 2px solid var(--error);
}

input[type=text],
input[type=url] {
  height: 2.5em;
  padding-inline: 10px;
  background-color: var(--background-colour);
}

input[type=checkbox] {
  appearance: none;
  background-color: var(--background-colour);
  border-radius: var(--radius);
  cursor: pointer;
  flex-shrink: 0;
  height: 1.5em;
  position: relative;
  user-select: none;
  width: 1.5em;
}
input[type=checkbox]:hover {
  background-color: var(--foreground-colour);
}
input[type=checkbox]:active, input[type=checkbox]:checked {
  background-color: var(--accent);
}
input[type=checkbox]:after {
  opacity: 0;
}
input[type=checkbox]:checked:after {
  border: 2px var(--background-colour);
  border-style: none solid solid none;
  content: "";
  display: block;
  height: 50%;
  left: 50%;
  opacity: 1;
  position: relative;
  top: 50%;
  transform: translateX(-50%) translateY(calc(-50% - 1px)) rotate(45deg);
  width: 25%;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes fade-in-backdrop {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 0.5;
  }
}
@keyframes fade-out {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@keyframes fade-out-backdrop {
  0% {
    opacity: 0.5;
  }
  100% {
    opacity: 0;
  }
}
@keyframes fade-out-and-shrink {
  0% {
    opacity: 1;
  }
  100% {
    height: 0;
    margin-block-end: 0;
    opacity: 0;
    padding-block: 0;
  }
}
@media screen and (max-width: 540px) {
  body > header {
    flex-direction: column;
  }
}
#popup {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: auto;
  max-block-size: calc(100svh - 2rem);
  width: min(95vw, 80ch);
  max-height: min(80%, 1280px);
  z-index: 100;
  background-color: var(--background-colour);
  border: none;
  border-radius: var(--radius);
}
#popup:not([open]) {
  display: none;
}
#popup::backdrop {
  background-color: var(--background-colour);
  opacity: 0.8;
}

#popup > main {
  display: flex;
  flex-direction: column;
  gap: 1em;
  margin: 1em;
  overflow: auto;
}

#popup .container {
  background-color: var(--midground-colour);
  border-radius: 5px;
}
#popup .container header {
  display: flex;
  flex-direction: row;
  gap: 1em;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.5em 1em;
  background-color: var(--foreground-colour);
  border-radius: var(--radius) var(--radius) 0 0;
}
#popup .container main {
  display: flex;
  flex-direction: row;
  gap: 1em;
  align-items: center;
  justify-content: space-between;
  margin: 1em;
}
#popup .container.vertical {
  flex-direction: column;
}

.title-bar {
  display: flex;
  flex-direction: row;
  gap: 2em;
  align-items: center;
  justify-content: space-between;
  padding-block: 2em 1.5em;
  padding-inline: 2em;
  background-color: var(--foreground-colour);
}
.title-bar * {
  margin: 0;
}
.title-bar .title-bar-buttons {
  display: flex;
  flex-direction: row;
  gap: 0.5em;
}
.title-bar .title-bar-buttons > * {
  width: 3em;
  height: 3em;
}
.title-bar .close-button {
  background-color: var(--midground-colour);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scrollbar-width: thin;
}

:root {
  --box-shadow: 0 0 10px var(--shadow);
  --radius: 5px;
  --background-colour: light-dark(#eee, #111);
  --midground-colour: light-dark(#fff, #222);
  --foreground-colour: light-dark(#ddd, #333);
  --canvas: light-dark(#ccc, #666);
  --shadow: light-dark(#aaa, #555);
  --text: light-dark(#000, #fff);
  --accent: #35adbb;
  --error: light-dark(rgb(161, 41, 65), rgb(238, 138, 158));
  --copy: light-dark(rgb(76, 202, 124), rgb(22, 119, 59));
  --open-with: light-dark(rgb(76, 202, 196), rgb(15, 121, 115));
  --link: light-dark(rgb(31, 100, 122), rgb(163, 212, 228));
  accent-color: var(--accent);
}
:root[data-dark-mode=false] {
  color-scheme: light;
}
:root[data-dark-mode=true] {
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-dark-mode]) {
    color-scheme: light;
  }
}
@media (prefers-color-scheme: dark) {
  :root:not([data-dark-mode]) {
    color-scheme: dark;
  }
}
h1,
h2,
h3,
p,
i,
button,
input,
span,
table,
code {
  color: var(--text);
}

h1,
h2,
h3,
.h1,
.h2,
.h3 {
  margin-block: 0.75em 0.5em;
  font-family: "SUSE", sans-serif;
}

h1,
.h1 {
  font-size: 2rem;
  font-weight: 800;
}

h2,
.h2 {
  font-size: 1.75rem;
  font-weight: 700;
  opacity: 0.875;
}

h3,
.h3 {
  font-size: 1.375rem;
  font-weight: 700;
  opacity: 0.75;
}

p,
a,
i,
button,
input,
span,
table {
  font-family: "Quicksand", sans-serif;
  font-weight: 300;
}

code,
.code {
  font-family: "Fira Code", monospace;
  font-weight: 300;
  font-size: 0.9em;
}

ul {
  padding-inline-start: 2ch;
}

a {
  color: var(--link);
  cursor: pointer;
}
a:active {
  color: var(--link);
}
a.link-chip {
  display: flex;
  flex-direction: row;
  gap: 1em;
  background-color: var(--midground-colour);
  border-radius: 10px;
  color: var(--text);
  padding: 10px;
  text-decoration: none;
  width: fit-content;
}
a.link-chip:hover {
  background-color: var(--foreground-colour);
  cursor: pointer;
}
a.link-chip:active {
  background-color: var(--canvas);
}

button {
  background-color: var(--background-colour);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}

a:has(fa-icon:only-child),
button:has(fa-icon:only-child) {
  display: flex;
  flex-direction: row;
  gap: 0.5em;
  align-items: center;
  justify-content: center;
  padding: 1em;
  aspect-ratio: 1;
}

[aria-label] {
  position: relative;
}

[aria-label]:hover::after {
  display: block;
  position: absolute;
  content: attr(aria-label);
  white-space: nowrap;
  z-index: 1;
  pointer-events: none;
  background-color: var(--background-colour);
  padding: 0.5em 1em;
  border-radius: var(--radius);
}

[aria-label]:not([data-tooltip]):hover::after,
[aria-label][data-tooltip=right]:hover::after {
  left: 100%;
  margin-inline: 1ch 0;
}

[aria-label][data-tooltip=left]:hover::after {
  right: 100%;
  margin-inline: 0 1ch;
}

[aria-label][data-tooltip=top]:hover::after {
  bottom: 100%;
  margin-block: 0 1ch;
}

[aria-label][data-tooltip=bottom]:hover::after {
  top: 100%;
  margin-block: 1ch 0;
}

body {
  display: flex;
  flex-direction: column;
  gap: 0;
  height: 100dvh;
  width: 100dvw;
  overflow: hidden;
  background-color: var(--background-colour);
}

body > header {
  display: flex;
  flex-direction: row;
  gap: 1em;
  align-items: center;
  justify-content: center;
  padding-block: 3em;
  padding-inline: max(10%, 1.5em);
  background-color: var(--midground-colour);
}
body > header * {
  margin: 0;
}
body > header img {
  width: 6.25em;
  height: 6.25em;
  border-radius: 50%;
}

body > main {
  flex-grow: 1;
  margin: 1em;
  position: relative;
  overflow: hidden;
}
body > main[fullscreen] {
  position: fixed;
  inset: 0;
  margin: 0;
}

#welcome-img {
  width: 6em;
  height: 6em;
  margin-inline: auto;
}

#welcome-heading {
  text-align: center;
}