/* =========================== reset.css ========================== */

/* Resets styles to known defaults to work around weird user agents. */
/* Based on http://meyerweb.com/eric/tools/css/reset/ */

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after, q:before, q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

*, *:before, *:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}


/* =========================== colours.css ========================== */

:root {
  --accent-colour: #3c658d;
  --background-colour: #15151A;
  --background-alt-colour: #202026;
  --text-colour: #e0e0eA;
  --text-highlight-colour: #efefff;
  --text-alt-colour: #90909A;
  --link-colour: #7099c4;
}

/* =========================== dimens.css ========================== */

:root {
  --border-radius: 10px;

  --small-space: 0.5rem;
  --medium-space: 2.5rem;
  --large-space: 5rem;

  --content-width: min(1600px, calc(100vw - 2 * var(--large-space)));
  --content-margin: calc((100vw - var(--content-width)) / 2);

  @media (max-width: 1200px) {
    --small-space: 0.5rem;
    --medium-space: 2rem;
    --large-space: 4rem;
  }

  @media (max-width: 800px) {
    --small-space: 0.4rem;
    --medium-space: 1rem;
    --large-space: 2rem;
  }

  @media (max-width: 500px) {
    --content-width: calc(100vw - 20px);
  }
}



/* =========================== about.css ========================== */

.about {
  /* Centers the trading card when it's not floated */
  text-align: center;

  * {
    text-align: left;
  }

  & > :last-child {
    flex: 100%;
    margin-right: var(--small-space);
    padding-top: var(--small-space);

    @media (max-width: 500px) {
      margin-right: 0;
    }

    p:first-child {
      margin-top: var(--small-space);
      margin-bottom: var(--small-space);
      font-size: var(--font-size-large);
      line-height: 1.8em;
    }

    .drop {
      color: var(--text-highlight-colour);
      font-weight: 800;
      font-size: var(--font-size-xlarge);
    }

    li {
      font-size: var(--font-size-regular);
    }

    .interests {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      grid-row-gap: var(--small-space);
    }
  }
}

.tcg-outer {
  float: right;
  position: relative;
  width: min-content;
  cursor: help;

  transform: rotate(4deg) translateY(40px);
  margin-left: var(--large-space);
  margin-bottom: var(--medium-space);

  @media (max-width: 1200px) {
    float: none;
    margin-bottom: var(--large-space);
    margin-left: auto;
    margin-right: auto;
  }

  @media (max-width: 800px) {
    transform: rotate(0deg);
  }

  @media (max-width: 500px) {
    margin-bottom: 0;
  }

  .tcg-front {
    transform: rotateY(0deg);
  }

  .tcg-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotateY(180deg);
    background-color: var(--accent-colour);

    .tcg-back-emboss {
      position: absolute;
      font-size: var(--font-size-xlarge);
      top: 30%;
      left: 0;
      width: 100%;
      text-align: center;
      text-transform: uppercase;
      font-weight: bolder;
      color: color-mix(in srgb, var(--accent-colour), black 20%);
    }

    .tcg-back-hello {
      position: absolute;
      margin: 0;
      bottom: 0;
      right: 0;
      font-size: var(--font-size-tiny);
      color: color-mix(in srgb, var(--accent-colour), black 20%);
    }
  }

  .tcg-flip {
    transform-style: preserve-3d;
    transition: transform 800ms 400ms;
  }

  &:hover .tcg-flip {
    transform: rotateY(180deg);
  }

  .tcg-front, .tcg-back {
    /* Firefox doesn't do anti-aliasing in a 3D context, which looks terrible
       as the card is rotated a bit. Adding a transparent outline somehow
       fixes it. https://stackoverflow.com/a/9333891 */
    outline: 1px solid transparent;
    border: 12px solid var(--accent-colour);
    border-radius: var(--border-radius);
    box-shadow: 20px 20px 5px black;
    backface-visibility: hidden;

    @media (max-width: 500px) {
      box-shadow: 10px 10px 5px black;
    }

    &::before {
      position: absolute;
      top: -12px;
      left: -12px;
      right: -12px;
      bottom: -12px;
      content: ' ';
      border-radius: var(--border-radius);

      transform: translateZ(1.41px);
      overflow: hidden;

      background-image: radial-gradient(
                      farthest-corner circle at 300px 400px,
                      hsla(0, 0%, 100%, 0.8) 10%,
                      hsla(0, 0%, 100%, 0.65) 20%,
                      hsla(0, 0%, 0%, 0.5) 90%
      );

      mix-blend-mode: overlay;
    }
  }

  .tcg-inner {
    width: 300px;
    margin: -4px;
    background-color: var(--background-alt-colour);
    border-radius: var(--border-radius);
    overflow: hidden;

    display: flex;
    flex-direction: column;
    align-items: center;

    font-size: var(--font-size-tiny);

    img {
      width: 100%;
      border-bottom: 6px solid var(--accent-colour);
    }

    .tcg-properties {
      width: 100%;
      display: grid;
      grid-template-columns: auto 1fr auto 1fr;
      padding: 10px;
      grid-column-gap: var(--small-space);
      align-items: baseline;

      dt {
        font-weight: bold;
        text-align: right;
      }
    }

    .tcg-skills {
      margin: 0 10px;
      /* Safari doesn't like to calculate the width properly by itself...? */
      max-width: calc(100% - 20px);
      border-bottom: 0;

      td {
        border: 0;
        padding: 4px;
        font-size: var(--font-size-tiny);

        &:first-child {
          // Types
          text-align: center;
        }
      }

      em {
        font-style: normal;
        font-weight: bold;

        /* The global style adds underscores around emphasis, but we don't want that here */
        &::before {
          display: none;
        }

        &::after {
          display: none;
        }
      }
    }

    footer {
      width: 100%;
      border-top: 2px solid var(--accent-colour);
      margin-top: 10px;
      padding: 5px 10px 5px 10px;
      font-size: var(--font-size-tiny);
      font-style: italic;
      display: flex;
      justify-content: right;
    }
  }
}

.expandy {
  position: relative;
  display: inline-block;
  margin-right: -4px;

  span {
    text-decoration: underline;
    text-decoration-skip-ink: none;
    text-decoration-color: var(--accent-colour);
    text-decoration-thickness: 1px;
    text-decoration-style: wavy;
    cursor: help;
  }

  .popup {
    position: absolute;
    display: none;
    top: calc(2em);
    left: calc(100% + 25px);
    z-index: 100;
    transition: display 300s;
    transition-property: allow-discrete;

    div {
      transition: opacity 100ms;
      background-color: var(--accent-colour);
      padding: var(--medium-space);
      min-width: 400px;
      border-radius: 20px;

      ul {
        margin-top: var(--medium-space);
      }
    }

    &::before, &::after {
      content: '';
      display: block;
      position: absolute;
      border-radius: 100%;
      background-color: var(--accent-colour);
    }

    &::before {
      width: 15px;
      height: 15px;
      top: -20px;
      left: -30px;
      transition: opacity 100ms 200ms;
    }

    &::after {
      width: 20px;
      height: 20px;
      top: -10px;
      left: -15px;
      transition: opacity 100ms 100ms;
    }
  }

  &:has(span:hover), &:has(span:focus) {
    .popup {
      display: block;

      div { transition: opacity 100ms 300ms; }
      &::before { transition: opacity 100ms; }
      &::after { transition: opacity 100ms 150ms; }
    }
  }
}

@starting-style {
  .expandy .popup {
    &::before, &::after, div {
      opacity: 0;
    }
  }
}

/* =========================== articles.css ========================== */

article h2 {
  margin-bottom: 0;
}

.date {
  margin: var(--small-space) 0 var(--medium-space) 0;
  color: var(--text-alt-colour);
  padding-top: 0;
  font-size: var(--font-size-tiny);
  font-family: "Berkeley Mono", monospace;
  text-transform: uppercase;

  &::before {
    content: '// '
  }
}

hr.end-of-post {
  clear: both;
  border: 0;
  width: 100%;
  margin: var(--large-space) 0;
  height: var(--medium-space);
  background: repeating-linear-gradient(-45deg, var(--accent-colour) 0, var(--accent-colour) 10px, transparent 10px, transparent 20px);
}

@media (min-width: 1200px) {
  .e-content figure.right:first-child {
    margin-top: calc(-1 * (var(--font-size-xlarge) + var(--font-size-tiny) + var(--medium-space)));
  }
}

.feedback-links {
  display: flex;
  gap: var(--medium-space);
  flex-direction: row;

  @media (max-width: 1200px) {
    flex-direction: column;
  }

  .feedback {
    position: relative;
    flex-basis: 200px;
    flex-grow: 1;
    text-decoration: none;
    background: var(--accent-colour);
    color: var(--text-colour);
    border-radius: var(--border-radius);
    padding: var(--small-space);
    font-size: var(--font-size-xlarge);
    font-family: "Chris Hand", cursive;
    display: flex;
    align-items: center;
    transition: color 300ms ease-in-out, transform 300ms ease-in-out;

    &::after {
      display: none;
    }

    svg {
      width: 90px;
      height: 90px;
      filter: invert(100%);
      opacity: 0.1;
      position: absolute;
      top: calc(var(--medium-space) / 2);
      left: calc(var(--medium-space) / 2);
      transition: opacity 300ms ease-in-out;
    }

    &:hover, &:active {
      color: var(--text-highlight-colour);

      @media (min-width: 1200px) {
        transform: scale(1.1);
      }

      svg {
        opacity: 0.3;
      }
    }

    span {
      display: block;
      padding: var(--medium-space);
      margin-left: 45px;
    }
  }
}

/* =========================== asides.css ========================== */

blockquote {
  padding: var(--small-space) calc(var(--content-margin) + var(--medium-space));
  background-color: var(--background-alt-colour);
  border-radius: 0;
  margin: 0 calc(-1 * var(--content-margin));
  width: 100vw;
  position: relative;

  &::before {
    position: absolute;
    top: var(--medium-space);
    left: var(--content-margin);
    content: '“';
    display: block;
    color: var(--accent-colour);
    font-size: var(--font-size-giant);
    line-height: var(--font-size-giant);
  }

  &::after {
    position: absolute;
    bottom: 0;
    right: var(--content-margin);
    content: '”';
    display: block;
    color: var(--accent-colour);
    font-size: var(--font-size-giant);
    line-height: var(--font-size-giant);
  }

  p {
    margin-left: calc(var(--small-space) + 2ex);
    margin-right: calc(var(--small-space) + 2ex);
  }
}

aside.update {
  clear: both;
  background-color: var(--background-alt-colour);
  border-radius: var(--border-radius);
  padding: var(--medium-space);
  border: 3px solid var(--accent-colour);
  box-shadow: 0 0 20px var(--accent-colour);
  margin: var(--large-space) 0;

  ins {
    text-decoration: none;
  }

  h5 {
    &::before {
      font-size: var(--font-size-large);
      content: '';
      margin: 0;
    }

    text-transform: uppercase;
    color: var(--text-alt-colour);
    font-size: var(--font-size-large);
    margin-top: 0;
    margin-bottom: var(--small-space);

    & + p {
      margin-top: var(--small-space);
    }
  }

  *:last-child {
    margin-bottom: 0;
  }
}

aside.warning {
  clear: both;
  background-image: repeating-linear-gradient(-45deg,red 0, red 10px, white 10px, white 20px, red 20px);
  border-radius: var(--border-radius);
  padding: 10px;
  box-shadow: 0 0 20px var(--accent-colour);
  margin: var(--medium-space) 0;
  color: black;

  & > div {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    width: 100%;
    padding: calc(var(--medium-space) / 2);

    h5 {
      &::before {
        font-size: var(--font-size-large);
        content: '⚠';
        margin: 0;
        color: inherit;
      }

      color: inherit;
      text-transform: uppercase;
      font-family: inherit;
      font-weight: 800;
      font-size: var(--font-size-large);
      margin-top: 0;
      margin-bottom: var(--small-space);

      & + p {
        margin-top: var(--small-space);
      }
    }

    *:last-child {
      margin-bottom: 0;
    }
  }
}

aside.sidenote {
  border-left: 10px solid var(--background-alt-colour);
  padding-left: 15px;

  h5 {
    &::before {
      content: '';
      margin: 0;
    }
  }
}

aside.old-post-warning {
  background: var(--background-alt-colour);
  padding: var(--small-space) var(--medium-space);
  margin: var(--medium-space) 0;
  border-radius: var(--border-radius);
}

/* =========================== contact.css ========================== */

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

[data-contact] {
  position: relative;

  .loading, .result {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;

    span {
      width: 48px;
      height: 48px;
      border: 5px solid var(--accent-colour);
      border-bottom-color: transparent;
      border-radius: 50%;
      display: inline-block;
      box-sizing: border-box;
      animation: rotation 1s linear infinite;
    }

    p {
      background-color: var(--accent-colour);
      padding: var(--medium-space);
      color: var(--text-colour);
      text-align: center;
      border-radius: var(--border-radius);
    }
  }

  &:has(.loading) form, &:has(.result) form {
    opacity: 0.5;
  }

  form {
    display: flex;
    flex-direction: column;
    gap: var(--small-space);
    transition: opacity 200ms ease-in-out;

    input, textarea {
      font-size: var(--font-size-small);
      background-color: var(--background-alt-colour);
      color: var(--text-colour);
      border: 1px solid var(--accent-colour);
      border-radius: 2px;
      padding: var(--small-space);
    }

    textarea {
      min-height: 200px;
      resize: vertical;
    }

    button {
      font-size: var(--font-size-small);
      background-color: var(--accent-colour);
      color: var(--text-colour);
      border: 0;
      text-transform: uppercase;
      padding: var(--small-space);
      border-radius: 2px;
      cursor: pointer;
    }
  }
}

/* =========================== figures.css ========================== */

figure {
  margin: var(--medium-space) var(--medium-space) var(--small-space) var(--medium-space);
  padding: var(--medium-space);
  border-radius: var(--border-radius);
  text-align: center;
  background-color: var(--background-alt-colour);
  max-width: 100%;
  font-family: "Chris Hand", sans-serif;
  font-size: var(--font-size-xlarge);
  line-height: 1;
  color: var(--text-alt-colour);
  position: relative;
  z-index: 1;

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

  @media (max-width: 500px) {
    margin: 0;
  }

  @media (min-width: 1200px) {
    &.left {
      float: left;
      max-width: 30%;
      margin-left: calc(-1 * clamp(0px, var(--content-margin), 50px));
      transform: rotate(-2deg);
      margin-right: calc(var(--medium-space) * 1.5);

      img, video {
        transform: rotate(1.5deg);
      }
    }

    &.right {
      float: right;
      max-width: 30%;
      margin-right: calc(-1 * clamp(0px, var(--content-margin), 50px));
      transform: rotate(2deg);
      margin-left: calc(var(--medium-space) * 1.5);

      img, video {
        transform: rotate(-1.5deg);
      }
    }

    &.left, &.right {
      position: relative;
      box-shadow: -5px 5px 10px var(--background-colour);
      margin-bottom: var(--medium-space);

      &::before, &::after {
        content: "";
        display: block;
        position: absolute;
        left: calc(50% - 50px);
        width: 100px;
        height: 40px;
        background-color: var(--accent-colour);
        opacity: 0.15;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
      }

      &::before {
        top: -20px;
        transform: rotate(4deg);
      }

      &::after {
        bottom: -20px;
        transform: rotate(-8deg);
      }
    }
  }

  figcaption {
    margin-top: var(--medium-space);

    p {
      margin: 0;
    }
  }

  &.full {
    margin: var(--medium-space) calc(-1 * var(--content-margin));
    width: 100vw;
    max-width: 100vw;
    border-radius: 0;
  }
}

/* =========================== footer.css ========================== */

.footer-wave {
  display: block;
  margin-top: var(--large-space);
  height: 60px;
}

body > footer {
  margin-top: 0;
  padding: var(--small-space) var(--content-margin) var(--small-space) var(--content-margin);
  background-color: var(--background-alt-colour);

  display: grid;
  grid-template-columns: 1fr 1fr;

  li p {
    font-family: "Berkeley Mono", monospace;
    font-size: var(--font-size-small);
    color: var(--text-alt-colour);
  }

  /* Other links */
  section:nth-child(2) {
    text-align: right;
  }

  /* Licenses */
  section:nth-child(3) {
    margin-top: var(--medium-space);
    grid-column: 1 / span 2;
    text-align: center;

    font-family: "Berkeley Mono", monospace;
    font-size: var(--font-size-tiny);

    @media (max-width: 500px) {
      text-align: left;
      p {
        margin-bottom: var(--medium-space);
      }
    }
  }

  @media (max-width: 1000px) {
    display: flex;
    flex-direction: column;

    section:nth-child(2) {
      text-align: left;
    }
  }

  h2 {
    font-size: var(--font-size-xlarge);

    &:has(a) {
      display: flex;
    }

    &::before {
      font-size: var(--font-size-xlarge);
    }

    a {
      font-size: var(--font-size-xlarge);
      color: var(--accent-colour);
      border: 1px solid var(--accent-colour);
      display: inline-block;
      box-sizing: content-box;
      height: 24px;
      width: 24px;
      padding: 2px;
      border-radius: 4px;
      margin-left: calc(var(--medium-space)/2);
      background-color: var(--background-colour);
      transition: background-position 300ms ease-in-out, color 300ms ease-in-out;

      &:hover, &:active, &:focus {
        color: var(--text-highlight-colour);
      }
    }
  }

  ul, a, p {
    list-style-type: none;
    margin: 0;
    padding: 0;
  }

  li {
    margin-bottom: var(--small-space);
  }

  ul.icons {
    display: flex;
    flex-direction: row;
    justify-content: right;
    gap: 25px;

    a {
      background: none;

      &::after {
        display: none;
      }
    }

    svg {
      width: 48px;
      height: 48px;
      fill: var(--text-colour);
      transition: fill 150ms ease-out;

      &:hover {
        fill: var(--link-colour);
      }
    }
  }
}

/* =========================== global.css ========================== */

body {
  background-color: var(--background-colour);
  color: var(--text-colour);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 100vh;
  min-width: 100vw;

  /* In chromium, 100vw includes the space taken by the vertical scrollbar, so
     having any content that's 100vw wide will cause horizontal scrolling.
     There's no good way to fix this, AFAICT. So just hide the overflow. */
  overflow-x: hidden;
}

main {
  width: var(--content-width);
  margin: 0 auto;
  flex-grow: 1;
}

hr {
  border: 0;
  border-top: 5px solid var(--accent-colour);
  margin: var(--large-space) 0;
  width: 100%;
}

ol {
  list-style-type: decimal;
  padding-left: 2em;

  li {
    padding-left: 0.5em;
    margin-bottom: var(--small-space);
  }
}

ul {
  list-style-type: disc;
  padding-left: 1.5em;
}

.footnote-ref {
  font-size: var(--font-size-tiny);
  vertical-align: super;
  padding: 0.2em;
  a {
    text-decoration-thickness: 2px;
  }
}

*[hidden] {
  display: none;
}

/* =========================== header.css ========================== */

body > header {
  padding: var(--small-space) 0;
  width: var(--content-width);
  margin: var(--large-space) auto 2em auto;

  display: flex;
  justify-content: space-between;

  @media (max-width: 1200px) {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--medium-space);
  }

  & > a {
    /* Safari underlines block level elements within an A... */
    text-decoration: none;
  }

  h1 {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    color: var(--text-highlight-colour);
    font-family: "Berkeley Mono", monospace;
    text-transform: uppercase;

    .prelude {
      font-size: var(--font-size-small);
      line-height: 1;
      color: var(--text-alt-colour);
      text-decoration: none;
    }

    .title {
      font-size: var(--font-size-giant);
      line-height: 1;
    }

    border-bottom: 4px solid var(--accent-colour);
  }

  nav {
    display: flex;
    gap: 20px;
    align-items: flex-end;

    a {
      font-family: "Berkeley Mono", monospace;
      text-transform: uppercase;
      white-space: nowrap;
    }

    @media (max-width: 600px) {
      flex-direction: column;
      align-items: flex-start;
    }
  }
}

/* =========================== littlefoot.css ========================== */

/**
 * littlefoot 4.1.2, with modifications.
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Chris Sauvé and Luís Rodrigues.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
@custom-media --breakpoint (width < 768px);

.littlefoot {
  --popover-background-color: var(--accent-colour);
  --popover-text-color: var(--text-colour);
  --popover-border: 0;
  --popover-border-radius: 0.5rem;
  --popover-max-height: 15em;
  --popover-max-width: 90%;
  --popover-horizontal-padding: calc(var(--medium-space) / 2);
  --popover-vertical-padding: calc(var(--medium-space) / 2);
  --popover-shadow: 8px 8px 8px #000000CC;
  --popover-transform-origin: 50% 0;
  --popover-transform: scale(0.1) translateZ(0);
  --popover-active-transform: scale(1) translateZ(0);
  --popover-transition: opacity 0.25s ease, transform 0.25s ease;
  --popover-width: 22em;
  --popover-scroll-indicator-color: var(--text-alt-colour);
  --popover-tooltip-size: 0.5rem;

  position: relative;
}
.littlefoot__popover {
  border: var(--popover-border);
  border-radius: var(--popover-border-radius);
  box-shadow: var(--popover-shadow);
  margin: calc(var(--popover-tooltip-size) + 1.25 * var(--font-size-regular)) 0;
  max-width: var(--popover-max-width);
  position: absolute;
  top: 0;
  transform-origin: var(--popover-transform-origin);
  transform: var(--popover-transform);
  transition: var(--popover-transition);
  width: var(--popover-width);
  z-index: 99999;

  &.is-above {
    bottom: 0;
    top: auto;
  }

  &.is-active {
    transform: var(--popover-active-transform);
  }
}

.littlefoot__wrapper {
  border-radius: var(--popover-border-radius);
  position: relative;
  z-index: 1;
}

.littlefoot__content {
  -webkit-overflow-scrolling: touch;
  background-color: var(--popover-background-color);
  border-radius: var(--popover-border-radius);
  box-sizing: border-box;
  color: var(--popover-text-color);
  font-family: var(--popover-font-family, initial);
  font-size: var(--popover-font-size, initial);
  font-style: var(--popover-font-style, initial);
  font-weight: var(--popover-font-weight, initial);
  line-height: var(--popover-line-height, normal);
  max-height: var(--popover-max-height);
  overflow: auto;
  padding: var(--popover-vertical-padding) var(--popover-horizontal-padding);
  width: 100%;

  & img {
    max-width: 100%;
  }

  &:focus {
    outline: none;
  }

  p {
    margin: 0;
  }

  em::before, em::after {
    display: none;
  }

  a {
    text-decoration: underline;

    &::after {
      display: none;
    }
  }
}

.is-scrollable {
  --arrow-x: calc(-1 * var(--popover-horizontal-padding));
  --arrow-y: calc(var(--popover-vertical-padding) / 2);

  & .littlefoot__content::after {
    bottom: 0;
    color: var(--popover-scroll-indicator-color);
    content: "\21E3";
    display: block;
    left: 0;
    opacity: 1;
    position: sticky;
    text-align: center;
    transform: translateX(var(--arrow-x)) translateY(var(--arrow-y));
    transition: var(--popover-transition);
    width: var(--popover-horizontal-padding);
  }

  &.is-fully-scrolled .littlefoot__content::after {
    opacity: 0;
  }
}

.littlefoot__tooltip {
  --tooltip-margin: calc(-1 * var(--popover-tooltip-size));

  background-color: var(--popover-background-color);
  border: var(--popover-border);
  box-shadow: var(--popover-shadow);
  height: calc(2 * var(--popover-tooltip-size));
  margin-left: var(--tooltip-margin);
  position: absolute;
  transform: rotate(45deg);
  width: calc(2 * var(--popover-tooltip-size));
}

.is-below .littlefoot__tooltip {
  top: var(--tooltip-margin);
}

.is-above .littlefoot__tooltip {
  bottom: var(--tooltip-margin);
}

@media (--breakpoint) {
  .littlefoot__popover {
    border-radius: 0;
    border-width: 1px 0 0;
    inset: auto 0 0 !important;
    margin: 0;
    max-width: 100% !important;
    position: fixed;
    transform: translateY(100%);
    width: 100%;

    &.is-active {
      transform: translateY(0);
    }
  }

  .littlefoot__wrapper {
    border-radius: 0;
    max-width: 100% !important;
    transform: none;
  }

  .littlefoot__tooltip {
    display: none;
  }
}

@media not print {
  .footnote-ref.littlefoot--print {
    display: none;
  }
}

@media print {
  .littlefoot__popover,
  .littlefoot__button {
    display: none;
  }
}

/* =========================== pagination.css ========================== */

nav ol {
  display: flex;
  list-style-type: none;
  justify-content: center;
  gap: var(--medium-space);
  padding: 0;
  margin: var(--medium-space) 0 0 0;

  @media (max-width: 800px) {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--small-space);
  }

  a[aria-current] {
    font-weight: bold;
  }
}

nav.readmore {
  margin-top: var(--small-space);

  a {
    font-family: "Berkeley Mono", monospace;
    text-transform: uppercase;
  }
}

.pages-intro {
  p {
    background: var(--background-alt-colour);
    border-radius: var(--border-radius);
    padding: var(--medium-space);
  }

  &::after {
    margin: var(--large-space) calc(-1 * var(--content-margin));
    width: 100vw;
    display: block;
    content: "";
    border-bottom: 2px solid var(--accent-colour);
    clear: both;
  }
}

.excerpt {
  &::after {
    margin: var(--large-space) calc(-1 * var(--content-margin));
    width: 100vw;
    display: block;
    content: "";
    border-bottom: 2px solid var(--accent-colour);
    clear: both;
  }

  @media (min-width: 1200px) {
    p.date + figure.right {
      margin-top: calc(-1 * (var(--font-size-large) + var(--font-size-tiny) + var(--medium-space)));
    }
  }
}

.sitemap time {
  color: var(--text-alt-colour);
  font-family: "Berkeley Mono", monospace;
  font-size: var(--font-size-tiny);
  padding-left: var(--small-space);
}

/* =========================== postlinks.css ========================== */

.post-links {
  display: flex;
  gap: var(--medium-space);
  flex-direction: row;

  @media (max-width: 1200px) {
    flex-direction: column;
  }
}

.post-catalogue {
  display: grid;
  gap: var(--medium-space);
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
}

@keyframes wavey {
    0% { mask-position: calc(50% - 30px) 0, calc(50%) 15px, calc(50% - 30px) 100%, calc(50%) calc(100% - 15px); }
    100% { mask-position: calc(50% + 30px) 0, calc(50% + 60px) 15px, calc(50% + 30px) 100%, calc(50% + 60px) calc(100% - 15px); }
}

.post-link {
  flex-basis: 200px;
  flex-grow: 1;
  text-decoration: none;
  background-color: var(--background-alt-colour);
  padding: calc(var(--small-space) + 25px) var(--small-space);
  mask: radial-gradient(33.54px at 50% 45px, #000 99%, #0000 101%) calc(50% - 30px) 0/60px 51% repeat-x,
  radial-gradient(33.54px at 50% -30px, #0000 99%, #000 101%) 50% 15px/60px calc(51% - 15px) repeat-x,
  radial-gradient(33.54px at 50% calc(100% - 45px), #000 99%, #0000 101%) calc(50% - 30px) 100%/60px 51% repeat-x,
  radial-gradient(33.54px at 50% calc(100% + 30px), #0000 99%, #000 101%) 50% calc(100% - 15px)/60px calc(51% - 15px) repeat-x;

  &:hover {
    animation: wavey 1s linear infinite forwards 150ms;

    .img-holder img, .img-holder .placeholder {
      transform: scale(1.1);
    }
  }

  article {
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 200px auto;
    gap: var(--small-space);

    .img-holder {
      grid-row: 1;
      grid-column: 1;
      width: 100%;
      height: 200px;
      overflow: hidden;
    }

    img, .placeholder {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 300ms ease-in-out;
    }

    .placeholder {
      background-color: color-mix(in srgb, var(--accent-colour), black 40%);
      color: color-mix(in srgb, var(--accent-colour), black 30%);
      font-size: var(--font-size-giant);
      padding-bottom: 1em;
      overflow: hidden;

      div {
        font-size: 60px;
        transform: rotate(10deg) translateX(-20px) translateY(-30px);
        white-space: nowrap;

        span {
          display: inline-block;
          transform: rotate(180deg) translateY(-4px);
          color: color-mix(in srgb, var(--accent-colour), black 48%);
        }
      }
    }

    h3 {
      z-index: 1;
      grid-row: 1;
      grid-column: 1;
      margin: 0;
      padding: var(--small-space);
      font-size: var(--font-size-xlarge);
      font-weight: bold;
      line-height: 1em;
      align-self: end;
      box-sizing: content-box;
      max-height: 2em;
      overflow: hidden;
      background-color: color-mix(in srgb, var(--background-alt-colour) 80%, transparent);

      &::before {
        display: none;
      }
    }

    p {
      position: relative;
      margin: 0;
      padding: 0;
      height: calc(5 * 1.2em);
      overflow: hidden;
      line-height: 1.2em;
      mask: linear-gradient(#000 0% 0%) top/100% calc(100% - 1.2em) no-repeat,
      linear-gradient(to left, #0000, #000 50%) bottom / 100% 1em no-repeat;
    }
  }
}

/* =========================== prints.css ========================== */

.print-list {
  display: flex;
  flex-direction: column;
  gap: 75px;
  padding-top: 50px;
  padding-bottom: 50px;
}

section.print {
  display: grid;
  grid-template-columns: 200px auto 200px;
  grid-gap: 20px;

  @media (max-width: 800px) {
    grid-template-columns: 200px auto 200px;

    img:first-child {
      grid-area: 1 / 1;
    }

    img:last-child {
      grid-area: 1 / 3;
    }

    div {
      grid-area: 2 / 1 / 2 / 4;
    }
  }

  img {
    max-width: 200px;
    max-height: 150px;
    justify-self: end;

    &:first-child {
      border: 1px solid var(--accent-colour);
      border-radius: 5px;
      justify-self: start;
    }
  }

  div {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  * {
    margin: 0;
  }

  ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    gap: 25px;

    a {
      font-family: "Berkeley Mono", monospace;
      text-transform: uppercase;
      font-size: var(--font-size-small);

      &[href*=".stl"]::after, &[href*=".step"]::after {
        content: '↓';
        color: var(--accent-colour);
      }
    }
  }
}

/* =========================== projects.css ========================== */

.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-gap: var(--medium-space);
  margin-top: var(--medium-space);

  @media (max-width: 800px) {
    grid-template-columns: repeat(1, 1fr);
  }

  .project {
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: var(--background-alt-colour);
    border-radius: var(--border-radius);
    padding: var(--medium-space);

    h4 {
      margin: 0;
      padding: 0;

      &::before {
        display: none;
      }

      svg {
        width: 48px;
        height: 48px;
      }

      svg.icon-tabler-pinned {
        float: right;
        width: 24px;
        height: 24px;
      }
    }

    p {
      flex-grow: 1;
    }

    ul {
      list-style-type: none;
      margin: 0;
      padding: 0;
      display: flex;
      gap: var(--small-space);
      flex-direction: column;

      a {
        font-family: "Berkeley Mono", monospace;
        text-transform: uppercase;
        font-size: var(--font-size-small);
      }
    }
  }
}

/* =========================== snippets.css ========================== */

.snippets {
  columns: 400px 2;
  column-fill: balance;

  section {
    margin-bottom: var(--medium-space);
    -webkit-column-break-inside: avoid;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
  }

  a {
    font-family: "Berkeley Mono", monospace;
    font-size: var(--font-size-small);
    text-decoration-thickness: 1px;
  }
}

/* =========================== syntax.css ========================== */

/**
 * Dracula Theme originally by Zeno Rocha [@zenorocha]
 * https://draculatheme.com/
 *
 * Ported for PrismJS by Albert Vallverdu [@byverdu]
 */

code[class*="language-"],
pre[class*="language-"] {
    color: #f8f8f2;
    background: none;
    text-shadow: 0 1px rgba(0, 0, 0, 0.3);
    font-family: "Berkeley Mono", monospace;
    font-size: var(--font-size-tiny);
    text-align: left;
    white-space: pre;
    word-spacing: normal;
    word-break: normal;
    word-wrap: normal;
    line-height: 1.5;
    -moz-tab-size: 4;
    -o-tab-size: 4;
    tab-size: 4;
    -webkit-hyphens: none;
    -moz-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
}

/* Code blocks */
pre[class*="language-"] {
    margin: var(--medium-space) calc(-1 * var(--content-margin));
    overflow: auto;
    border-radius: 0;
    width: 100vw;
    padding: var(--medium-space) calc(var(--content-margin) + var(--medium-space));
}

:not(pre) > code[class*="language-"],
pre[class*="language-"] {
    background: var(--background-alt-colour);
}

/* Inline code */
:not(pre) > code[class*="language-"] {
    padding: .1em;
    border-radius: .3em;
    white-space: normal;
}

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
    color: #6272a4;
}

.token.punctuation {
    color: #f8f8f2;
}

.namespace {
    opacity: .7;
}

.token.property,
.token.tag,
.token.constant,
.token.symbol,
.token.deleted {
    color: #ff79c6;
}

.token.boolean,
.token.number {
    color: #bd93f9;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
    color: #50fa7b;
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string,
.token.variable {
    color: #f8f8f2;
}

.token.atrule,
.token.attr-value,
.token.function,
.token.class-name {
    color: #f1fa8c;
}

.token.keyword {
    color: #8be9fd;
}

.token.regex,
.token.important {
    color: #ffb86c;
}

.token.important,
.token.bold {
    font-weight: bold;
}

.token.italic {
    font-style: italic;
}

.token.entity {
    cursor: help;
}


/* =========================== tables.css ========================== */

.table-holder {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  margin: var(--medium-space) 0;
}

table {
  width: 100%;
  border-bottom: 1px solid var(--accent-colour);
}

td {
  padding: var(--small-space);
  font-size: var(--font-size-small);
}

th {
  border-bottom: 2px solid var(--accent-colour);
  padding: 0.4em;
  text-align: left;
  font-weight: bold;
  color: var(--text-alt-colour);
  text-transform: uppercase;
  font-family: "Berkeley Mono", monospace;
  font-size: var(--font-size-tiny);
}

tr:nth-child(2n) {
  background-color: var(--background-alt-colour);
}

/* =========================== typography.css ========================== */

:root {
  --font-size-tiny: 11pt;
  --font-size-small: 13pt;
  --font-size-regular: 16pt;
  --font-size-large: 19pt;
  --font-size-xlarge: 24pt;
  --font-size-giant: 40pt;

  @media (max-width: 500px) and (min-resolution: 2dppx) {
    --font-size-tiny: 8pt;
    --font-size-small: 9pt;
    --font-size-regular: 12pt;
    --font-size-large: 15pt;
    --font-size-xlarge: 20pt;
    --font-size-giant: 30pt;
  }
}

@font-face {
  font-family: 'IBM Plex Sans';
  src: local('IBM Plex Sans'), url('/assets/fonts/IBMPlexSans-Regular.woff2') format('woff2'), url('/assets/fonts/IBMPlexSans-Regular.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Berkeley Mono';
  src: local('Berkeley Mono'), url('/assets/fonts/BerkeleyMono-Regular.woff2') format('woff2'), url('/assets/fonts/BerkeleyMono-Regular.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Chris Hand';
  src: url('/assets/fonts/ChrisHand-Regular.woff2') format('woff2'), url('/assets/fonts/ChrisHand-Regular.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

body {
  font-size: var(--font-size-regular);
  font-family: 'IBM Plex Sans', serif;
  line-height: 1.6;
}

h2, h3, h4, h5, h6 {
  font-family: "Chris Hand", sans-serif;
  font-size: var(--font-size-giant);
  color: var(--text-highlight-colour);
  margin: var(--medium-space) 0;
  line-height: 1;

  &:before {
    font-family: "Chris Hand", sans-serif;
    font-size: var(--font-size-giant);
    color: var(--accent-colour);
    margin-right: 0.25em;
  }

  a {
    background: none;
    text-decoration-skip-ink: auto;
    transition: text-decoration-color 200ms ease-in-out;
    text-decoration-color: var(--text-alt-colour);

    &:hover, &:focus, &:active {
      text-decoration-color: var(--accent-colour);
    }
  }

  /* Sometimes nicely formatting the page will cause whitespace to creep in
     between the heading and the link, which ends up being visible. Hack around
     that. */
  &:has(a) {
    font-size: 0;

    a {
      font-size: var(--font-size-giant);
    }
  }
}

h2:before { content: '#'; }
h3:before { content: '##'; }
h4:before { content: '###'; }
h5:before { content: '####'; }
h6:before { content: '#####'; }

p {
  margin: var(--medium-space) 0;
}

p code, li code {
  background-color: var(--background-alt-colour);
  border-radius: var(--border-radius);
  padding: 0.1em 0.5em;
  font-family: "Berkeley Mono", monospace;
}

a {
  color: var(--text-highlight-colour);
  text-decoration: underline;
  text-decoration-color: var(--accent-colour);
  text-decoration-thickness: 4px;
  text-decoration-skip-ink: none;

  background: linear-gradient(to bottom, transparent 50%, var(--accent-colour) 50%) top;
  background-size: 100% 200%;
  line-height: 1;

  transition: background 1s ease-out;

  &:hover, &:active, &:focus {
    background-position: bottom;
    transition-duration: 150ms;
  }

  &[href*="://"]:not([href*="://chameth.com"])::after {
    content: '↗';
    font-family: "Berkeley Mono", monospace;
    color: var(--accent-colour);
  }
}

.poem {
  font-family: "Berkeley Mono", monospace;
  background-color: var(--background-alt-colour);
  padding: 1em;
  margin: var(--medium-space) 0;
  border-radius: var(--border-radius);
}

.ascii-art {
  font-family: "Berkeley Mono", monospace;
  font-size: var(--font-size-tiny);
  color: var(--text-alt-colour);
}

em {
  font-style: italic;

  &::before, &::after {
    color: var(--accent-colour);
    font-size: var(--font-size-tiny);
    content: '_';
  }
}

strong {
  font-weight: bold;
}