/* sort alphabetically by selector */

[hidden] {
  display: none !important;
}

:root {
  --base: 1rem;
  /* TODO remove */
  --gap: var(--base);
  --pad: var(--gap) var(--base);
  font-size: 16px;

  color-scheme: dark;
  --bg1: #0D2218;
  --bg2: #161B18;
  --bg3: #1f523e;
  --border1: #23523C;
  --border2: #23523C;
  --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  --code-bg: #0A130E;
  --code-class: #fbbf24;
  --code-comment: #9CE3B9;
  --code-fg: #E5ECE8;
  --code-function: #38bdf8;
  --code-keyword: #FF6B8B;
  --code-number: #FF6B8B;
  --code-operator: #FF6B8B;
  --code-punctuation: #E5ECE8;
  --code-string: #9CE3B9;
  --fg1: #E5ECE8;
  --fg2: #9CE3B9;
  --fg3: #23523C;
  --link-hover: #FF6B8B;
  --link1: #FF6B8B;
  color-scheme: light dark;
  font-size: 16px;
  font-family: "Noto Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-variation-settings: "wdth" 100;
}

html {
  background-color: var(--bg1);
}

:root .highlight {
  background-color: var(--code-bg);
  border-radius: 4px;
  color: var(--code-fg);

  span {
    color: var(--code-fg);
  }

  .c, .ch, .cm, .cp, .cpf, .c1, .cs {
    color: var(--code-comment);
    font-style: italic;
  }
  .k, .kc, .kd, .kn, .kp, .kr, .kt, .ow {
    color: var(--code-keyword);
  }
  .s, .sa, .sb, .sc, .dl, .sd, .s2, .se, .sh, .si, .sx, .sr, .s1, .ss {
    color: var(--code-string);
  }
  .m, .mb, .mf, .mh, .mi, .mo, .il {
    color: var(--code-number);
  }
  .nf, .fm {
    color: var(--code-function);
  }
  .nc, .ne {
    color: var(--code-class);
  }
  .o {
    color: var(--code-operator);
  }
  .p, .pm {
    color: var(--code-punctuation);
  }
  .n, .na, .nb, .ni, .nl, .nn, .nx, .py, .nv, .bp, .vc, .vg, .vi, .vm {
    color: var(--code-fg);
  }
}

code, pre {
  font-family: "Google Sans Code", monospace;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-variation-settings: "MONO" 1;
}

code {
  color: var(--code-string);
}

:root[data-theme="light"],
:root:has(#theme-menu input[name="theme"][value="light"]:checked) {
  color-scheme: light;
  --bg1: #f8f9fa;
  --bg2: #ffffff;
  --bg3: #f1f5f9;
  --border1: #cbd5e1;
  --border2: #e2e8f0;
  --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  --code-bg: #f6f8fa;
  --code-class: #953800;
  --code-comment: #57606a;
  --code-fg: #1f2328;
  --code-function: #8250df;
  --code-keyword: #cf222e;
  --code-number: #0550ae;
  --code-operator: #cf222e;
  --code-punctuation: #1f2328;
  --code-string: #0a3069;
  --fg1: #0f172a;
  --fg2: #475569;
  --fg3: #94a3b8;
  --link-hover: #1d4ed8;
  --link1: #2563eb;
}

:root[data-theme="watermelon"],
:root:has(#theme-menu input[name="theme"][value="watermelon"]:checked) {
  color-scheme: dark;
  --bg1: #0D2218;
  --bg2: #161B18;
  --bg3: #1f523e;
  --border1: #23523C;
  --border2: #23523C;
  --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  --code-bg: #0A130E;
  --code-class: #fbbf24;
  --code-comment: #9CE3B9;
  --code-fg: #E5ECE8;
  --code-function: #38bdf8;
  --code-keyword: #FF6B8B;
  --code-number: #FF6B8B;
  --code-operator: #FF6B8B;
  --code-punctuation: #E5ECE8;
  --code-string: #9CE3B9;
  --fg1: #E5ECE8;
  --fg2: #9CE3B9;
  --fg3: #23523C;
  --link-hover: #FF6B8B;
  --link1: #FF6B8B;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --bg1: #f8f9fa;
    --bg2: #ffffff;
    --bg3: #f1f5f9;
    --border1: #cbd5e1;
    --border2: #e2e8f0;
    --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    --code-bg: #f6f8fa;
    --code-class: #953800;
    --code-comment: #57606a;
    --code-fg: #1f2328;
    --code-function: #8250df;
    --code-keyword: #cf222e;
    --code-number: #0550ae;
    --code-operator: #cf222e;
    --code-punctuation: #1f2328;
    --code-string: #0a3069;
    --fg1: #0f172a;
    --fg2: #475569;
    --fg3: #94a3b8;
    --link-hover: #1d4ed8;
    --link1: #2563eb;
  }
}

#body {
  background-color: var(--bg1);
  color: var(--fg1);
  display: flex;
  flex-direction: column;
  /* TODO write a blog post about this */
  max-width: 80ch;
  justify-content: space-between;
  margin: var(--gap);
}

#contents {
  anchor-name: --contents;
}

#crumbs {
  color: var(--fg2);
  font-size: 0.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  .crumb {
    display: inline-block;
    a {
      text-decoration-line: none;
      text-overflow: ellipsis;
    }
    /*
    overflow: hidden;
    white-space: nowrap;
    max-width: 30ch;
    */
  }
  .crumb + .crumb::before {
    content: ">" / "";  /* secondary string hides it from screen readers */ 
    margin: 0 0.25rem;
  }
}

/*
.single-line-ellipsis {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 250px;
}
*/

#footer {
  background-color: var(--bg2);
  border: 1px solid var(--border1);
  box-shadow: var(--card-shadow);
  color: var(--fg1);
  padding: var(--base);
}

#header {
  align-items: center;
  background-color: var(--bg2);
  border: 1px solid var(--border1);
  box-shadow: var(--card-shadow);
  color: var(--fg1);
  display: flex;
  margin-block-end: var(--gap);
  padding: var(--pad);
  position: relative;
}

#header-default {
  align-items: center;
  display: flex;
  justify-content: space-between;
  width: 100%;
  p {
    font-size: 1rem;
    margin: 0 auto 0 0;
    margin-block-start: 0;
    margin-block-end: 0;
    padding: 0;
  }
}

#header-search {
  align-items: center;
  display: flex;
  gap: var(--gap);
  width: 100%;
}

#home {
  text-decoration-line: none;
}

#main {
  background-color: var(--bg2);
  border: 1px solid var(--border1);
  box-shadow: var(--card-shadow);
  color: var(--fg1);
  margin-block-end: var(--gap);
  min-width: 0;
  padding: var(--base);
  a {
    &:hover {
      background-color: var(--bg3);
    }
    &:hover:visited {
      background-color: var(--bg3);
    }
  }
  #date {
    font-size: 0.8rem;
    font-style: italic;
    margin: 0;
    margin-block-start: 0;
    margin-block-end: 0;
    text-transform: uppercase;
  }
  div.highlight {
    max-width: 100%;
    overflow-x: auto;
    pre {
      background-color: var(--code-bg);
      color: var(--code-fg);
      margin: 0;
      overflow-x: auto;
      padding: var(--gap);
    }
  }
  h1 {
    font-size: 1.75rem;
  }
  h2 {
    font-size: 1.4rem;
  }
  h3 {
    font-size: 1.2rem;
  }
  h4 {
    font-size: 1.1rem;
  }
  h5 {
    font-size: 1rem;
  }
  h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--base) 0;
  }
  img {
    height: auto;
    max-width: 100%;
  }
  p {
    margin-block-end: calc(var(--base) / 2);
    margin-block-start: calc(var(--base) / 2);
    margin-inline-end: 0;
    margin-inline-start: 0;
  }
  &.post > section > h1 + p::first-letter {
    color: var(--link1);
    float: left;
    font-size: 3rem;
    line-height: 0.8;
    margin-right: 0.25rem;
    margin-top: 0.25rem;
    font-family: "MedievalSharp", cursive;
    font-weight: 400;
    font-style: normal;
  }
}

#nav { display: none; }

#pagenav {
  background-color: var(--bg2);
  border: 1px solid var(--border1);
  box-shadow: var(--card-shadow);
  color: var(--fg1);
  padding: var(--base);
}

#pagenav::backdrop {
  background-color: rgba(0, 0, 0, 0.5);
}

#theme {
  anchor-name: --theme;
}

#theme-menu {
  background-color: var(--bg2);
  border: 1px solid var(--border1);
  box-shadow: var(--card-shadow);
  color: var(--fg1);
  inset: auto;
  margin-top: calc(var(--base) / 2);
  padding: var(--base);
  position-anchor: --theme;
  right: anchor(right);
  top: anchor(bottom);

  fieldset {
    border: none;
    display: flex;
    flex-direction: column;
    gap: calc(var(--gap) / 2);
    margin: 0;
    padding: 0;
  }

  legend {
    font-weight: bold;
    margin-bottom: calc(var(--gap) / 2);
    padding: 0;
  }

  label {
    align-items: center;
    cursor: pointer;
    display: flex;
    gap: calc(var(--gap) / 2);
    white-space: nowrap;
  }
}

#theme-menu::backdrop {
  background-color: transparent;
}

#toplinks {
  ul {
    list-style: none;
    margin: 0;
    padding: 0;
    li {
      display: inline-block;
    }
  }
}

.highlight {
  background-color: var(--code-bg);
  border-radius: 4px;
  color: var(--code-fg);

  .c, .ch, .cm, .cp, .cpf, .c1, .cs {
    color: var(--code-comment);
    font-style: italic;
  }
  .k, .kc, .kd, .kn, .kp, .kr, .kt, .ow {
    color: var(--code-keyword);
  }
  .s, .sa, .sb, .sc, .dl, .sd, .s2, .se, .sh, .si, .sx, .sr, .s1, .ss {
    color: var(--code-string);
  }
  .m, .mb, .mf, .mh, .mi, .mo, .il {
    color: var(--code-number);
  }
  .nf, .fm {
    color: var(--code-function);
  }
  .nc, .ne {
    color: var(--code-class);
  }
  .o {
    color: var(--code-operator);
  }
  .p, .pm {
    color: var(--code-punctuation);
  }
}

a {
  color: var(--link1);
  &:hover {
    color: var(--link-hover);
  }
  &:visited { color: var(--link-hover); }
}

a.headerlink {
  margin-inline-start: 0.25rem;
  visibility: hidden;
}

button {
  background-color: inherit;
  border: none;
  color: var(--fg2);
  cursor: pointer;
}

h1:hover a.headerlink,
h2:hover a.headerlink,
h3:hover a.headerlink,
h4:hover a.headerlink,
h5:hover a.headerlink,
h6:hover a.headerlink,
a.headerlink:focus {
  visibility: visible;
}

.post {
  #nav {
    align-items: center;
    background-color: var(--bg2);
    border: 1px solid var(--border1);
    border-bottom: none;
    box-shadow: var(--card-shadow);
    color: var(--fg1);
    display: flex;
    gap: var(--base);
    justify-content: space-between;
    min-width: 0;
    padding: var(--pad);
  }
}

#main.post {
  border-top: none;
}

/* narrow viewports */
@media (max-width: 79ch) {
  #body {}
  #pagenav {
    inset: auto;
    margin-top: var(--base);
    position-anchor: --contents;
    right: anchor(right);
    top: anchor(bottom);
  }
  #pagenav::backdrop {
    background-color: transparent;
  }
}

/* wide viewports */
@media (min-width: 80ch) {
  #body {
    margin: var(--gap) auto;
  }
}

/* In-Header Search & Floating Dropdown Styles */
#search-input {
  background-color: var(--bg1);
  border: 1px solid var(--border1);
  border-radius: 4px;
  box-sizing: border-box;
  color: var(--fg1);
  flex: 1;
  font-size: 1rem;
  /* line-height: 1.25; */
  /* padding: calc(var(--gap) / 4) var(--gap); */
  width: 100%;
  &::placeholder {
    font-size: 0.8rem;
  }
}

#search-page-input {
  background-color: var(--bg1);
  border: 1px solid var(--border1);
  border-radius: 4px;
  box-sizing: border-box;
  color: var(--fg1);
  flex: 1;
  font-size: 1rem;
  padding: calc(var(--gap) / 2) var(--gap);
  width: 100%;
}

#search-input:focus,
#search-page-input:focus {
  border-color: var(--link1);
  outline: none;
}

#search-close {
  background: transparent;
  border: none;
  color: var(--fg2);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
}

#search-close:hover {
  color: var(--fg1);
}

#search-dropdown {
  background-color: var(--bg2);
  border: 1px solid var(--border1);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  color: var(--fg1);
  left: 0;
  max-height: 70vh;
  overflow-y: auto;
  padding: var(--base);
  position: absolute;
  right: 0;
  top: calc(100% + var(--gap));
  z-index: 100;
}

#search-page-results {
  max-height: calc(80vh - 5rem);
  overflow-y: auto;
}

.search-page-input-wrapper {
  margin-bottom: var(--base);
}

.search-message {
  color: var(--fg2);
  padding: var(--base);
  text-align: center;
}

.search-error {
  color: var(--code-keyword);
}

.search-summary {
  color: var(--fg2);
  font-size: 0.85rem;
  margin-bottom: var(--gap);
}

.search-results-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  list-style: none;
  margin: 0;
  padding: 0;
}

.search-result-item {
  border-bottom: 1px solid var(--border2);
  padding-bottom: var(--gap);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-link {
  color: inherit;
  display: block;
  text-decoration: none;
}

.search-result-link:hover .search-result-title {
  color: var(--link-hover);
  text-decoration: underline;
}

.search-result-title {
  color: var(--link1);
  font-weight: bold;
  margin-bottom: calc(var(--gap) / 4);
}

.search-result-excerpt {
  color: var(--fg2);
  font-size: 0.9rem;
  line-height: 1.4;
}

.search-result-excerpt mark,
.search-sub-result-excerpt mark {
  background-color: var(--bg3);
  border-radius: 2px;
  color: var(--fg1);
  font-weight: bold;
  padding: 0 2px;
}

.search-sub-results-list {
  display: flex;
  flex-direction: column;
  gap: calc(var(--gap) / 2);
  list-style: none;
  margin-top: calc(var(--gap) / 2);
  padding-left: var(--base);
}

.search-sub-result-link {
  color: inherit;
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.search-sub-result-title {
  color: var(--fg1);
  font-size: 0.85rem;
  font-weight: 600;
}

.search-sub-result-link:hover .search-sub-result-title {
  color: var(--link1);
  text-decoration: underline;
}

.search-sub-result-excerpt {
  color: var(--fg3);
  font-size: 0.8rem;
}