:root {
  --color-fg: #171D1A;
  --color-bg: #F3F5F3;
  --color-2nd-fg: #4A5651;
  --color-2nd-bg: #E9EDEA;
  --color-3rd-fg: #6F7B76;
  --color-line: #CBD3CE;
  --color-line-soft: #DDE3DF;
  --color-accent: #1F6F5B;
  --color-accent-soft: #D8E9E2;
  --color-ochre: #9A6B1F;
  --color-code-bg: #E6EBE8;
  --color-pre-border: #CBD3CE;

  --font-body: sans-serif;
  --font-display: serif;
  --font-mono: monospace;

  color:            var(--color-fg);
  background-color: var(--color-bg);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-fg: #E4EAE7;
    --color-bg: #121716;
    --color-2nd-fg: #A7B3AE;
    --color-2nd-bg: #19201E;
    --color-3rd-fg: #7E8A85;
    --color-line: #2C3733;
    --color-line-soft: #222B28;
    --color-accent: #5CC2A2;
    --color-accent-soft: #1B3A31;
    --color-ochre: #D9A85A;
    --color-code-bg: #1C2522;
    --color-pre-border: #2C3733;
  }
}

a {
  color: var(--color-accent);
}

a:visited {
  color: var(--color-accent);
}


/* General declarations */

body {
  margin: 0px auto;
  padding: 1%;
  max-width: 68ch;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  text-wrap: balance;
}

h1 { font-size: 39px; }
h2 { font-size: 31px; }
h3 { font-size: 25px; }
h4, h5, h6 { font-size: 20px; }

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

code {
  background-color: var(--color-code-bg);
}

.icon {
  width: 22px;
  height: 22px;
  vertical-align: middle;
}


/* Navigation header */

header {
  margin-bottom: 30px;
  padding: 12px 0px 12px 0px;
}

nav, nav ol {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
}

nav ol {
  list-style: none;
  margin: 0px;
  padding: 0px;
}


nav a {
  font-size: 18px;
  margin: 12px;
  text-decoration: none;
}

nav a img {
  width: 32px;
  height: 32px;
}

nav ol.languages {
  margin-left: auto;
}

nav ol.languages a, nav ol.languages li {
  font-family: var(--font-mono);
  font-size: 14px;
  margin: 6px;
}

nav ol.languages li {
  color: var(--color-fg);
}

nav ol.languages a,
nav ol.languages a:visited {
  color: var(--color-2nd-fg);
}

nav ol.languages a:hover {
  color: var(--color-fg);
}

#tagline {
  margin: 0px 12px 6px 12px;
  font-size: 14px;
  color: var(--color-2nd-fg);
}


/* A published recording */

#media video, #media audio {
  width: 100%;
  max-width: 100%;
}

#media-links {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-2nd-fg);
}


/* Article bodies */

#published-at, #updated-at {
  color: var(--color-2nd-fg);
  font-size: 14px;
  font-style: italic;
}

blockquote {
  font-style: italic;
  color: var(--color-2nd-fg);
  padding-left: 10px;
  border-left: 3px solid var(--color-2nd-fg);
}

.collection-list {
  list-style-type: none;
}

.collection-list li {
  margin: 20px 0px;
}


/* Footer */

body > footer {
  font-size: 14px;
  padding: 12px 0px 12px 0px;
}

body > footer li {
  list-style-type: none;
  margin-top: 10px;
}

body > footer li a {
  margin-left: 5px;
}

.content-footer, .page-footer, #footnotes {
  border-top: 0.5px solid var(--color-2nd-fg);
}



table.tableblock {
  border-collapse: collapse;
  margin: 16px 0px;
}

table.tableblock td, table.tableblock th {
  text-align: left;
  vertical-align: top;
  padding: 6px 24px 6px 0px;
  border-bottom: 1px solid var(--color-line-soft);
}

table.tableblock th {
  color: var(--color-2nd-fg);
  font-size: 14px;
}

table.tableblock p {
  margin: 0px;
}


/* Code blocks */

/* The "lineno" class is the default generated by Rouge for table-row in code blocks, see:
   https://github.com/rouge-ruby/rouge */
pre.lineno {
  margin-right: 3px;
  padding-right: 3px;
  border-right: 1px solid;
  border-color: var(--color-pre-border);
  text-align: right;
  user-select: none;
}

.highlight, .listingblock .content {
  border: 1px solid;
  border-color: var(--color-pre-border);
  border-radius: 10px;
  background-color: var(--color-code-bg);
}

pre {
  overflow: auto;
}


/* Code block anchors */

a.code-line-anchor {
  color: var(--color-fg);
  user-select: none;
  text-decoration: none;
}

a.code-line-anchor:hover {
  text-decoration: underline;
}


/* Header anchor */

div.header-anchor {
  color: var(--color-fg);
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

div.header-anchor h1,
div.header-anchor h2,
div.header-anchor h3,
div.header-anchor h4,
div.header-anchor h5,
div.header-anchor h6 {
  display: inline;
}


div.header-anchor img {
  visibility: hidden;
}

div.header-anchor:hover img {
  visibility: visible;
}


/* Plaintext code block links */

.plaintext {
  margin: auto auto 0 auto;
  text-align: right;
  font-family: var(--font-mono);
}

a.anchor {
  background: transparent url(img/link.svg) center right no-repeat;
  padding-right: 22px;
  margin-left: 10px;
  visibility: hidden;
}

h2:hover a.anchor {
  visibility: visible;
}


/* Fix asciidoc shortcoming */

.line-through {
  text-decoration: line-through;
}


#comments .message {
  background-color: var(--color-2nd-bg);
  border: 1px solid;
  border-color: var(--color-pre-border);
  border-radius: 10px;
  padding: 0.5rem 1rem;
  margin-bottom: 1rem;
  margin-left: 9rem;
}

#comments .message[data-depth="0"] { margin-left: 0; }
#comments .message[data-depth="1"] { margin-left: 1rem; }
#comments .message[data-depth="2"] { margin-left: 2rem; }
#comments .message[data-depth="3"] { margin-left: 3rem; }
#comments .message[data-depth="4"] { margin-left: 4rem; }
#comments .message[data-depth="5"] { margin-left: 5rem; }
#comments .message[data-depth="6"] { margin-left: 6rem; }
#comments .message[data-depth="7"] { margin-left: 7rem; }
#comments .message[data-depth="8"] { margin-left: 8rem; }

#comments .message-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 1rem;
  font-size: 0.9em;
}

#comments .from {
  font-weight: bold;
}

#comments .date, #comments .reply, #comments .handle {
  color: var(--color-2nd-fg);
}

#comments .handle {
  font-weight: normal;
}

#comments .message-body {
  background-color: transparent;
  border: none;
  overflow-wrap: anywhere;
  font-size: 0.9em;
}

#comments pre.message-body { white-space: pre-wrap; }
#comments div.message-body p { margin: 0.5em 0; }
#comments div.message-body p:first-child { margin-top: 0; }
#comments div.message-body p:last-child { margin-bottom: 0; }

@media (max-width: 40rem) {
  #comments .message[data-depth] { margin-left: 0; }
}