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

:root {
  /* gruvbox-light-hard colours */
  --bg0: #f9f5d7;
  --bg1: #ebdbb2;
  --bg2: #d5c4a1;
  --bg4: #a89984;
  --fg0: #282828;
  --fg1: #3c3836;
  --fg4: #7c6f64;
  --blue: #076678;
  --blue-lighter: #288799; /* 13% lighter than blue above */
  --green: #79740e;
  --aqua: #427b58;
  --orange: #af3a03;
  --gray: #928374;
  --yellow: #b57614;
  --red: #9d0006;

  --font-serif: georgia, palatino, serif;
  --font-mono: monospace, monospace;
}

#theme-current { background-image: url({{"theme-native-light.svg"|static_path}}); }
#theme-native { background-image: url({{"theme-native-light.svg"|static_path}}); }
#theme-light { background-image: url({{"theme-light-light.svg"|static_path}}); }
#theme-dark { background-image: url({{"theme-dark-light.svg"|static_path}}); }

:root.dark {
  /* gruvbox-dark-hard colours */
  --bg0: #1d2021;
  --bg1: #3c3836;
  --bg2: #504945;
  --bg4: #7c6f64;
  --fg0: #fbf1c7;
  --fg1: #ebdbb2;
  --fg4: #a89984;
  --blue: #83a598;
  --blue-lighter: #a4c6b9; /* 13% lighter than blue above */
  --green: #b8bb26;
  --aqua: #8ec07c;
  --orange: #fe8019;
  --gray: #928374;
  --yellow: #fabd2f;
  --red: #fb4934;
}

:root.dark #theme-current { background-image: url({{"theme-dark-dark.svg"|static_path}}); }
:root.dark #theme-native { background-image: url({{"theme-native-dark.svg"|static_path}}); }
:root.dark #theme-light { background-image: url({{"theme-light-dark.svg"|static_path}}); }
:root.dark #theme-dark { background-image: url({{"theme-dark-dark.svg"|static_path}}); }

@media (prefers-color-scheme: dark) {
  :root {
    /* gruvbox-dark-hard colours */
    --bg0: #1d2021;
    --bg1: #3c3836;
    --bg2: #504945;
    --bg4: #7c6f64;
    --fg0: #fbf1c7;
    --fg1: #ebdbb2;
    --fg4: #a89984;
    --blue: #83a598;
    --blue-lighter: #a4c6b9; /* 13% lighter than blue above */
    --green: #b8bb26;
    --aqua: #8ec07c;
    --orange: #fe8019;
    --gray: #928374;
    --yellow: #fabd2f;
    --red: #fb4934;
  }
  #theme-current { background-image: url({{"theme-native-dark.svg"|static_path}}); }
  #theme-native { background-image: url({{"theme-native-dark.svg"|static_path}}); }
  #theme-light { background-image: url({{"theme-light-dark.svg"|static_path}}); }
  #theme-dark { background-image: url({{"theme-dark-dark.svg"|static_path}}); }
  :root.light {
    /* gruvbox-light-hard colours */
    --bg0: #f9f5d7;
    --bg1: #ebdbb2;
    --bg2: #d5c4a1;
    --bg4: #a89984;
    --fg0: #282828;
    --fg1: #3c3836;
    --fg4: #7c6f64;
    --blue: #076678;
    --blue-lighter: #288799; /* 13% lighter than blue above */
    --green: #79740e;
    --aqua: #427b58;
    --orange: #af3a03;
    --gray: #928374;
    --yellow: #b57614;
    --red: #9d0006;
  }
  :root.light #theme-current { background-image: url({{"theme-light-light.svg"|static_path}}); }
  :root.light #theme-native { background-image: url({{"theme-native-light.svg"|static_path}}); }
  :root.light #theme-light { background-image: url({{"theme-light-light.svg"|static_path}}); }
  :root.light #theme-dark { background-image: url({{"theme-dark-light.svg"|static_path}}); }
}

@media (pointer: none), (pointer: coarse) {
  .not-mobile { display: none; }
}

html {
  line-height: 1.15;
  font-family: var(--font-serif);
  background-color: var(--bg0);
  color: var(--fg1);
}

/* title + theme switcher */
#title-cont { display: flex; align-items: start; justify-content: space-between; }
#title-cont > #theme-switcher { margin-top: 8pt; margin-right: 8pt; }
#theme-switcher button {
  display: flex;
  align-items: center;
  padding: 5px 5px 5px 30px;
  min-height: 25px;
  background-size: 25px 25px;
  background-position: 2px 2px;
  background-repeat: no-repeat;
  background-color: var(--bg1);
  color: inherit;
  font: inherit;
  border: none;
  cursor: pointer;
}
button#theme-current { font-weight: bold; }
#theme-dropdown { display: none; position: relative; }
#theme-dropdown > ul { position: absolute; width: 100%; margin: 0; padding: 0; }
#theme-dropdown > ul > li { list-style-type: none; width: 100%; }
#theme-dropdown > ul > li > button { width: 100%; }

/* top bar: quick links and search boxes */
.bar { margin-bottom: 2em; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.5em; }
.ql { flex: 1 20 auto; }

/* "Go to keyword" search box */
.ts-control {
  color: var(--fg1);
  background-color: var(--bg1) !important;
  border: 1px solid var(--bg2);
  border-radius: 4px;
  height: 28px;
  font-family: var(--font-mono);
  font-size: 1em;
  line-height: 28px;
  cursor: revert !important;
  padding-top: 0px;
  padding-left: 8px;
  padding-right: 20px;
}
.ts-control:focus-within {
  border: 1px solid var(--bg4);
}
.ts-wrapper.dropdown-active .ts-control {
  border-bottom: none;
  border-radius: 4px 4px 0px 0px;
}
.ts-control > input {
  color: var(--fg1);
  font-size: 1em;
  font-family: var(--font-mono);
  cursor: revert !important;
}
.ts-dropdown {
  font-family: var(--font-mono);
  font-size: 1em;
  color: var(--fg1);
  background-color: var(--bg1);
  border: 1px solid var(--bg4);
  border-radius: 0px 0px 4px 4px;
  margin: 0;
}
.ts-dropdown .active {
  color: var(--fg1);
  background-color: var(--bg4);
}
.ts-dropdown .no-results {
  font-family: var(--font-serif);
}

/* Site search */
.srch {
  position: relative;
  flex: 20 20 25ch;
  max-width: 45ch;
  overflow: hidden;
}
.srch:focus-within { overflow: revert; }
.srch ::placeholder {
  color: var(--fg4);
  font-family: var(--font-serif);
  opacity: 0;
}
.srch input:focus::placeholder {
  opacity: 1;
}
#vh-srch-input {
  background-color: var(--bg1);
  color: var(--fg1);
  border: 1px solid var(--bg2);
  border-radius: 4px;
  height: 28px;
  width: 100%;
  line-height: 28px;
  padding-top: 3px;
  padding-left: 8px;
  padding-right: 20px;
  font-family: var(--font-serif);
  font-size: 1em;
}
#vh-srch-input:focus {
  border: 1px solid var(--bg4);
  outline: none;
}

.placeholder {
  position: absolute;
  display: flex;
  align-items: center;
  z-index: 2;
  left: 9px;
  top: 2px;
  bottom: 0;
  cursor: text;
  color: var(--fg4);
  white-space: nowrap;
}
.placeholder kbd {
  position: relative;
  top: -1px;
  margin-right: 1px;
  padding: 2px 4px;
  font-family: var(--font-mono);
  font-size: 0.7em;
  font-weight: bold;
  background-color: #fff3;
  border: 1px solid var(--bg2);
  border-radius: 3px;
  box-shadow: 0 2px 1px #0004, 0 1px #fff3 inset;
}
.srch:focus-within .placeholder {
  display: none;
}

/* main = sidebar + content */
main {
  display: flex;
  flex-wrap: wrap-reverse;
  align-items: start;
}

/* Nav sidebar */
#vh-sidebar {
  position: sticky;
  top: 10px;
  width: min-content;
  flex: auto;
  display: none;
  justify-content: center;
}
#vh-sidebar > ul {
  font-family: var(--font-serif);
  padding: 1em 1em 1em 1.8em;
  margin-right: 0.8em;
  background-color: var(--bg1);
  border-radius: 15px;
}

/* Vim help content */
#vh-content pre {
  font-family: var(--font-mono);
  width: 80ch;
}

@media (min-width: 900px) {
  main {
    justify-content: end;
  }
  #vh-sidebar {
    display: flex;
  }
  #vh-content pre {
    margin-right: calc(50vw - 40ch);
  }
}

/* standard links (also includes <a class="l">) */
a:where(:link, :visited) { color: var(--blue); }
a:where(:active, :hover) { color: var(--blue-lighter); }

/* de-emphasized links */
a.d { color: var(--fg1); }
a.d:link, a.d:visited { text-decoration: underline var(--bg4); }
a.d:active, a.d:hover { text-decoration: underline var(--fg1); }

/* title */
.i { color: var(--blue); }

/* tag; external url */
.t, .u { color: var(--green); font-style: italic; }

/* header */
.h { color: var(--aqua); }

/* keystroke; special (used for various) */
.k, .s { color: var(--orange); }

/* example */
.e { color: var(--gray); font-style: italic; }

/* note */
.n { color: var(--fg0); font-style: italic; font-weight: bold; }

/* option */
.o { color: var(--yellow); }

/* section */
.c { color: var(--red); }

footer { font-size: 85%; padding: 1em 0; }
