/* Base style, each theme overrides variables and other
styles needed to make look for specified period of time */
:root {
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --line: #e2e2e2;
  --accent: #b02a2a;
  --bg: #fafaf8;
  --header-bg: transparent;
  --header-line: var(--ink);
  --code-bg: #eee;
  --quote-ink: #444;
  --card-bg: transparent;
  --font-body: Georgia, "Times New Roman", serif;
  --font-ui: Verdana, sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font: 16px/1.6 var(--font-body);
  color: var(--ink);
  background: var(--bg);
}

/*header */
header {
  border-bottom: 2px solid var(--header-line);
  background: var(--header-bg);
  padding: 1rem 1.5rem;
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
  flex-wrap: wrap;
}
header .brand {
  font-weight: bold;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--ink);
}
header nav a {
  color: var(--muted);
  text-decoration: none;
  margin-right: 1rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
}
header nav a:hover {
  color: var(--accent);
}
header .theme-pick {
  margin-left: auto;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
header .theme-pick select {
  font-family: var(--font-ui);
  font-size: 0.8rem;
}

/* layout */
main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}
a {
  color: var(--accent);
}
h1 {
  line-height: 1.25;
}
.meta {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--muted);
}
.meta span {
  margin-right: 1rem;
}

/* list rows */
.card {
  border-bottom: 1px solid var(--line);
  padding: 0.8rem 0;
  background: var(--card-bg);
}
.card a {
  text-decoration: none;
}

/* "Related" block at the bottom of every page */
.related {
  border-top: 1px solid var(--line);
  margin-top: 2.5rem;
  padding-top: 1rem;
}
.related h3 {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.related p {
  font-size: 0.92rem;
}

/* timelines */
.era {
  margin-top: 2.5rem;
}
.era h2 {
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.3rem;
}
.era .period {
  color: var(--muted);
  font-size: 0.8em;
  font-weight: normal;
}
ul.tl {
  list-style: none;
  padding: 0;
}
ul.tl li {
  padding: 0.25rem 0;
}
/* date column */
ul.tl .mo {
  display: inline-block;
  min-width: 5.2rem;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 0.75rem;
}
ul.tl .tl-img {
  display: block;
  margin: 0.5rem 0 0.8rem 5.2rem;
}
ul.tl .tl-img img {
  max-width: 24rem;
  width: 100%;
  max-height: 14rem;
  object-fit: cover;
  object-position: top;
  border: 1px solid var(--line);
  border-radius: 3px;
}

/* cover image with caption */
figure.cover {
  margin: 0 0 1.5rem;
}
figure.cover img {
  max-width: 100%;
}
figure.cover figcaption {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--muted);
}
blockquote {
  border-left: 3px solid var(--line);
  margin-left: 0;
  padding-left: 1rem;
  color: var(--quote-ink);
}
code {
  background: var(--code-bg);
  padding: 0 0.25em;
}

/* intro paragraph on the main page */
.lede {
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--quote-ink);
  max-width: 42rem;
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  margin: 1.2rem 0 0;
}
footer {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.2rem 1.5rem 2.5rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}
footer a {
  color: var(--accent);
}

/* people list */
.person-row {
  display: grid;
  grid-template-columns: 3rem 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.9rem;
  align-items: center;
}
.person-row .avatar {
  grid-row: 1 / span 2;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  border: 1px solid var(--line);
}
.person-row .avatar-ph {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--code-bg);
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 1.1rem;
}
.person-row .meta {
  grid-column: 2;
}

main img {
  max-width: 100%;
  height: auto;
}

/* retro footer stuff, hidden by default, themes turn it on */
footer .top100 {
  display: none;
}
footer .top100 img {
  display: block;
  image-rendering: pixelated;
}

/* long urls in sources must not break layout on phones */
article,
.related,
footer,

/* list rows */
.card {
  overflow-wrap: break-word;
}
article a,
.related a {
  overflow-wrap: anywhere;
}
article table {
  display: block;
  overflow-x: auto;
  max-width: 100%;
}
article pre,
article code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
article blockquote {
  overflow-wrap: anywhere;
}

/* more mobile */

/* burger menu */

/* burger menu, only visible on mobile */
header .burger {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--muted);
  cursor: pointer;
  padding: 0.1rem 0.4rem;
}

/* and more mobile */

header a.brand span.brand-short {
  display: none;
}
header a.brand span.brand-full {
  display: inline-block;
}

/* mobile  */
footer .enc-picker {
  display: none;
}
footer .top100 img {
  display: none;
}
footer .visitor {
  display: none;
}
/* h2 for correct heading order, styled like a small label */
.related h2.related-h {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

/* mobile overwrites */
@media (max-width: 640px) {
  body {
    font-size: 15px;
  }
  header {
    padding: 0.7rem 1rem;
    gap: 0.4rem 1rem;
    align-items: center;
  }
  header .brand {
    font-size: 0.95rem;
    flex: 1 1 100%;
  }
  header nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem 1rem;
  }
  header nav a {
    margin-right: 0;
  }
  header .theme-pick {
    margin-left: auto;
  }
  main {
    padding: 1.2rem 1rem 3rem;
  }
  h1 {
    font-size: 1.45rem;
  }
  .era h2 {
    font-size: 1.15rem;
  }
  .lede {
    font-size: 0.98rem;
    padding-left: 0.8rem;
  }
  ul.tl li {
    padding: 0.35rem 0;
  }
  ul.tl .mo {
    display: block;
    min-width: 0;
    margin-bottom: 0.1rem;
  }
  ul.tl .tl-img {
    margin-left: 0;
  }
  ul.tl .tl-img img {
    max-width: 100%;
    max-height: 11rem;
  }
  .person-row {
    grid-template-columns: 2.5rem 1fr;
    column-gap: 0.7rem;
  }
  .person-row .avatar {
    width: 2.5rem;
    height: 2.5rem;
  }
  .meta span {
    display: inline-block;
    margin-right: 0.7rem;
  }
  .related p {
    font-size: 0.88rem;
  }
  footer {
    padding: 1rem 1rem 2rem;
  }

  header .theme-pick select {
    max-width: 11rem;
  }
  figure.cover {
    margin-left: -1rem;
    margin-right: -1rem;
  }
  figure.cover figcaption {
    padding: 0 1rem;
  }
  article blockquote {
    margin-right: 0;
    padding-left: 0.7rem;
    font-size: 0.92rem;
  }
  h1 {
    overflow-wrap: break-word;
  }

  header {
    align-items: center;
  }
  header .brand {
    flex: 1 1 0;
    min-width: 0;
  }
  header .burger {
    display: block;
    margin-left: auto;
    flex: 0 0 auto;
  }
  header nav,
  header .theme-pick {
    display: none;
  }
  header.open nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.55rem;
    flex: 1 1 100%;
    padding-top: 0.5rem;
  }
  header.open nav a {
    font-size: 1rem;
    margin: 0;
  }
  header.open .theme-pick {
    display: flex;
    flex: 1 1 100%;
    margin-left: 0;
    padding: 0.4rem 0 0.2rem;
  }

  header a.brand span.brand-full {
    display: none;
  }
  header a.brand span.brand-short {
    display: inline-block;
    font-size: 1.15rem;
  }
}