@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("fonts/AtkinsonHyperlegibleNextVF-Variable.woff2") format("woff2");
  font-weight: 200 800;
}

@font-face {
  font-family: "Atkinson Hyperlegible Mono";
  src: url("fonts/AtkinsonHyperlegibleMonoVF-Variable.woff2") format("woff2");
  font-weight: 200 800;
}

:root {
  /* Uchu color palette */
  --uchu-gray-1: oklch(95.57% 0.003 286.35);
  --uchu-gray-2: oklch(92.04% 0.002 197.12);
  --uchu-gray-3: oklch(88.28% 0.003 286.34);
  --uchu-gray-4: oklch(84.68% 0.002 197.12);
  --uchu-gray-5: oklch(80.73% 0.002 247.84);
  --uchu-gray-6: oklch(75.03% 0.002 247.85);
  --uchu-gray-7: oklch(69.01% 0.003 286.32);
  --uchu-gray-8: oklch(63.12% 0.004 219.55);
  --uchu-gray-9: oklch(56.82% 0.004 247.89);

  --uchu-red-1: oklch(88.98% 0.052 3.28);
  --uchu-red-2: oklch(78.78% 0.109 4.54);
  --uchu-red-3: oklch(69.86% 0.162 7.82);
  --uchu-red-4: oklch(62.73% 0.209 12.37);
  --uchu-red-5: oklch(58.63% 0.231 19.6);
  --uchu-red-6: oklch(54.41% 0.214 19.06);
  --uchu-red-7: oklch(49.95% 0.195 18.34);
  --uchu-red-8: oklch(45.8% 0.177 17.7);
  --uchu-red-9: oklch(41.17% 0.157 16.58);

  --uchu-pink-1: oklch(95.8% 0.023 354.27);
  --uchu-pink-2: oklch(92.14% 0.046 352.31);
  --uchu-pink-3: oklch(88.9% 0.066 354.39);
  --uchu-pink-4: oklch(85.43% 0.09 354.1);
  --uchu-pink-5: oklch(82.23% 0.112 355.33);
  --uchu-pink-6: oklch(76.37% 0.101 355.37);
  --uchu-pink-7: oklch(70.23% 0.092 354.96);
  --uchu-pink-8: oklch(64.11% 0.084 353.91);
  --uchu-pink-9: oklch(57.68% 0.074 353.14);

  --uchu-purple-1: oklch(89.1% 0.046 305.24);
  --uchu-purple-2: oklch(78.68% 0.091 305);
  --uchu-purple-3: oklch(68.5% 0.136 303.78);
  --uchu-purple-4: oklch(58.47% 0.181 302.06);
  --uchu-purple-5: oklch(49.39% 0.215 298.31);
  --uchu-purple-6: oklch(46.11% 0.198 298.4);
  --uchu-purple-7: oklch(42.77% 0.181 298.49);
  --uchu-purple-8: oklch(39.46% 0.164 298.29);
  --uchu-purple-9: oklch(36.01% 0.145 298.35);

  --uchu-blue-1: oklch(89.66% 0.046 260.67);
  --uchu-blue-2: oklch(80.17% 0.091 258.88);
  --uchu-blue-3: oklch(70.94% 0.136 258.06);
  --uchu-blue-4: oklch(62.39% 0.181 258.33);
  --uchu-blue-5: oklch(54.87% 0.222 260.33);
  --uchu-blue-6: oklch(51.15% 0.204 260.17);
  --uchu-blue-7: oklch(47.36% 0.185 259.89);
  --uchu-blue-8: oklch(43.48% 0.17 260.2);
  --uchu-blue-9: oklch(39.53% 0.15 259.87);

  --uchu-green-1: oklch(93.96% 0.05 148.74);
  --uchu-green-2: oklch(88.77% 0.096 147.71);
  --uchu-green-3: oklch(83.74% 0.139 146.57);
  --uchu-green-4: oklch(79.33% 0.179 145.62);
  --uchu-green-5: oklch(75.23% 0.209 144.64);
  --uchu-green-6: oklch(70.03% 0.194 144.71);
  --uchu-green-7: oklch(64.24% 0.175 144.92);
  --uchu-green-8: oklch(58.83% 0.158 145.05);
  --uchu-green-9: oklch(52.77% 0.138 145.41);

  --uchu-yellow-1: oklch(97.05% 0.039 91.2);
  --uchu-yellow-2: oklch(95% 0.07 92.39);
  --uchu-yellow-3: oklch(92.76% 0.098 92.58);
  --uchu-yellow-4: oklch(90.92% 0.125 92.56);
  --uchu-yellow-5: oklch(89% 0.146 91.5);
  --uchu-yellow-6: oklch(82.39% 0.133 91.5);
  --uchu-yellow-7: oklch(75.84% 0.122 92.21);
  --uchu-yellow-8: oklch(69.14% 0.109 91.04);
  --uchu-yellow-9: oklch(62.29% 0.097 91.9);

  --uchu-orange-1: oklch(93.83% 0.037 56.93);
  --uchu-orange-2: oklch(88.37% 0.07258208750520016 55.80328658240742);
  --uchu-orange-3: oklch(83.56% 0.10753627570574478 56.492594564236946);
  --uchu-orange-4: oklch(78.75% 0.14163582809066333 54.32911089172009);
  --uchu-orange-5: oklch(74.61% 0.171 51.56);
  --uchu-orange-6: oklch(69.33% 0.157 52.18);
  --uchu-orange-7: oklch(63.8% 0.142 52.1);
  --uchu-orange-8: oklch(58.28% 0.128 52.2);
  --uchu-orange-9: oklch(52.49% 0.113 51.98);

  --uchu-yin-1: oklch(91.87% 0.003 264.54);
  --uchu-yin-2: oklch(84.61% 0.004 286.31);
  --uchu-yin-3: oklch(76.89% 0.004 247.87);
  --uchu-yin-4: oklch(69.17% 0.004 247.88);
  --uchu-yin-5: oklch(61.01% 0.005 271.34);
  --uchu-yin-6: oklch(52.79% 0.005 271.32);
  --uchu-yin-7: oklch(43.87% 0.005 271.3);
  --uchu-yin-8: oklch(35.02% 0.005 236.66);
  --uchu-yin-9: oklch(25.11% 0.006 258.36);
  --uchu-yin: oklch(14.38% 0.007 256.88);
  --uchu-yang: oklch(99.4% 0 0);

  font-size: 2em;

  /* Semantic Variables */
  --font-main: "Atkinson Hyperlegible Next", sans-serif;
  --font-mono: "Atkinson Hyperlegible Mono", monospace;
  --border-radius: 10px;
  --font-size-base: 1.2rem;
  --font-size-small: 1rem;
  --font-size-large: 1.5rem;

  /* Light Theme */
  --background: var(--uchu-blue-1);
  --text: var(--uchu-yin);
  --primary-background: var(--uchu-blue-2);
  --primary-text: var(--uchu-blue-5);
  --border-color: var(--uchu-yin-2);
  --link-color: var(--uchu-blue-5);
  --notice-background: var(--uchu-yin-2);
  --mark-background: var(--uchu-yellow-5);
  --mark-text: var(--uchu-yin);

  @media (prefers-color-scheme: dark) {
    --background: var(--uchu-yin);
    --text: var(--uchu-yang);
    --primary-background: var(--uchu-blue-9);
    --primary-text: var(--uchu-blue-2);
    --border-color: var(--uchu-yin-8);
    --link-color: var(--uchu-blue-3);
    --notice-background: var(--uchu-yin-8);
    --mark-background: var(--uchu-yellow-9);
    --mark-text: var(--uchu-yang);
  }
}

body {
  background-color: var(--background);
  color: var(--text);
  font-family: var(--font-main);
  font-feature-settings: "calt", "frac", "cv05";
  font-size: var(--font-size-base);
  margin: 15%;
  margin-bottom: 0;
  margin-top: 6%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

code,
pre,
kbd,
samp {
  font-family: var(--font-mono);
}

[hidden] {
  display: none !important;
}

[nosel] {
  -webkit-user-select: none;
  user-select: none;
}

button,
input[type="submit"],
input[type="reset"],
input[type="button"] {
  background-color: var(--primary-background);
  border: 2px solid var(--primary-background);
  border-radius: var(--border-radius);
  box-sizing: border-box;
  color: var(--primary-text);
  cursor: pointer;
  font-family: inherit;
  font-size: var(--font-size-small);
  margin-bottom: 1rem;
  outline: none;
  padding: 0.5rem 1rem;
  transition: all 0.2s ease-in-out;
  width: auto;
}

button:hover,
input[type="submit"]:hover,
input[type="reset"]:hover,
input[type="button"]:hover {
  background-color: var(--primary-text);
  border-color: var(--primary-text);
  color: var(--primary-background);
}

input[type="text"],
input[type="email"],
input[type="search"],
input[type="password"],
input[type="url"],
textarea {
  background-color: transparent;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  box-sizing: border-box;
  color: var(--text);
  font-family: inherit;
  font-size: var(--font-size-small);
  margin-bottom: 1rem;
  outline: none;
  padding: 0.5rem 0.5rem;
  width: auto;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  border: 2px solid var(--link-color);
  outline-offset: 2px;
}

input[type="color"],
input[type="number"],
input[type="range"],
input[type="date"],
input[type="month"],
input[type="week"],
input[type="datetime"],
input[type="datetime-local"],
input[type="file"],
input[type="tel"] {
  background-color: transparent;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  box-sizing: border-box;
  color: var(--text);
  font-family: inherit;
  font-size: var(--font-size-small);
  margin-bottom: 1rem;
  outline: none;
  padding: 0.5rem 0.5rem;
  width: auto;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

a {
  color: var(--link-color) !important;
  text-decoration: none;
}

.container {
  align-items: center;
  display: flex;
}

img,
video {
  border-radius: var(--border-radius);
  height: auto;
  max-width: 100%;
}

img[i],
video[i] {
  border-radius: 0px;
}

img[round] {
  border-radius: 50%;
}

p img,
a img,
span img,
li img,
h1 img,
h2 img,
h3 img,
h4 img,
h5 img,
h6 img,
button img,
p svg,
a svg,
span svg,
li svg,
h1 svg,
h2 svg,
h3 svg,
h4 svg,
h5 svg,
h6 svg,
button svg {
  height: 1em;
  vertical-align: -0.15em;
  width: auto;
}

mark {
  padding: 0.25rem 0.25rem;
  border-radius: var(--border-radius);
  background-color: var(--mark-background);
  color: var(--mark-text);
}

kbd {
  border: var(--text) solid 0.5px;
  border-bottom: 3px solid var(--text);
  border-radius: var(--border-radius);
  color: var(--text);
  padding: 0.1rem 0.4rem 0.1rem 0.4rem;
}

kbd:hover {
  padding: 0rem 0.4rem 0.1rem 0.4rem;
  border-bottom: 0.5px solid var(--text);
}

.notice {
  background: var(--notice-background);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  margin: 2rem 0;
  padding: 1.5rem;
}

input[type="checkbox"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-color: transparent;
  border: 2px solid var(--border-color);
  border-radius: 5px;
  cursor: pointer;
  display: inline-block;
  height: 25px;
  margin: 0;
  position: relative;
  transition: all 0.2s ease-in-out;
  vertical-align: middle;
  width: 25px;
}

input[type="checkbox"]:checked {
  background-color: var(--text);
  border-color: var(--text);
}

input[type="checkbox"]:checked::after {
  border: solid var(--background);
  border-width: 0 3px 3px 0;
  content: "";
  height: 10px;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -60%) rotate(45deg);
  width: 5px;
}

.switch {
  display: inline-block;
  height: 34px;
  position: relative;
  width: 60px;
}

.switch input {
  height: 0;
  opacity: 0;
  width: 0;
}

.slider {
  background-color: var(--border-color);
  border-radius: 34px;
  bottom: 0;
  cursor: pointer;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: 0.4s;
}

.slider::before {
  background-color: var(--background);
  border-radius: 50%;
  bottom: 4px;
  content: "";
  height: 26px;
  left: 4px;
  position: absolute;
  transition: 0.4s;
  width: 26px;
}

input:checked + .slider {
  background-color: var(--text);
}

input:checked + .slider::before {
  transform: translateX(26px);
}

.loader {
  animation: dot-pulse 1.5s infinite ease-in-out;
  background-color: var(--text);
  border-radius: 50%;
  display: inline-block;
  height: 25px;
  opacity: 0.5;
  width: 25px;
}

@keyframes dot-pulse {
  0% {
    transform: scale(0.5);
    opacity: 0.5;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(0.5);
    opacity: 0.5;
  }
}

blockquote {
  background-color: var(--notice-background);
  border-left: 5px solid var(--text);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  color: var(--text);
  font-style: italic;
  margin: 1rem 0;
  margin-left: 0;
  padding: 1rem;
  padding-left: 1.5rem;
}

table {
  border-collapse: collapse;
  border-radius: var(--border-radius);
  font-size: var(--font-size-small);
  margin: 2rem 0;
  overflow: hidden;
  text-align: left;
  width: 100%;
}

th,
td {
  border: 1px solid var(--border-color);
  padding: 0.6rem;
}

thead {
  background-color: var(--notice-background);
  color: var(--text);
}

tbody tr {
  background-color: var(--background);
}

tbody tr:hover {
  background-color: var(--notice-background);
}

@media (max-width: 1200px) {
  body {
    margin: 10%;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 1em;
  }
  body {
    font-size: 1.15rem;
    margin: 5%;
  }

  button,
  input[type="submit"],
  input[type="reset"],
  input[type="button"],
  input[type="text"],
  input[type="email"],
  input[type="search"],
  input[type="password"],
  textarea {
    font-size: var(--font-size-small);
    padding: 0.8rem 1rem;
    width: 100%;
  }

  summary {
    font-size: var(--font-size-large);
    padding: 0.8rem 0.8rem 0.8rem 0;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 1.2rem;
    margin: 5%;
  }

  button,
  input[type="submit"],
  input[type="reset"],
  input[type="button"],
  input[type="text"],
  input[type="email"],
  input[type="search"],
  input[type="password"],
  textarea {
    font-size: 1.2rem;
    padding: 0.6rem 0.6rem;
    width: auto;
  }

  summary {
    font-size: 1.2rem;
    padding: 0.6rem 0.6rem 0.6rem 0;
  }
}

details {
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
}

summary {
  background-color: transparent;
  border: none;
  border-radius: 0;
  color: var(--text);
  cursor: pointer;
  display: block;
  font-size: inherit;
  font-weight: normal;
  list-style: none;
  padding: 0.8rem;
  position: relative;
  vertical-align: top;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  color: var(--text);
  content: "\2192";
  font-size: inherit;
  margin-left: 0.5rem;
  position: absolute;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
}

details[open] summary::after {
  content: "\2193";
}

details[open] > :not(summary) {
  background-color: var(--notice-background);
  border-top: 2px solid var(--border-color);
  padding: 1.5rem;
}

footer {
  hr {
    border: none;
    margin-bottom: 0px;
  }
  hr:after {
    content: "--";
  }
  p {
    margin: 0.25em 0em 0.25em 0em;
  }
}

.markdown-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#textpad-container {
  display: flex;
  flex-direction: column;
}

#editor {
  min-height: 200px;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: inherit;
  background-color: var(--background);
  color: var(--text);
  resize: none;
  overflow: hidden;
}

#modal {
  padding-top: 10%;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: grid;
  place-items: center;
}

#modal div {
  margin: 1rem;
}

#modal button,
#modal input {
  margin: 0;
}

#modal-content {
  background-color: var(--background);
  border-radius: var(--border-radius);
  border: 2px solid var(--border-color);
}