/* Shared by the atlas, chapter title leaf and chapter reading view. */
:root {
  --site-header-height: 72px;
  --site-header-pad: 38px;
  --site-header-line: rgba(32, 37, 31, .2);
  --bar-top: var(--site-header-height);
  --header: var(--site-header-height);
}
.site-masthead {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--site-header-height);
  padding: 0 var(--site-header-pad);
  border-bottom: 1px solid var(--site-header-line);
  background: rgba(236, 231, 219, .84);
  color: #20251f;
  backdrop-filter: blur(9px);
}
.site-masthead .site-wordmark {
  display: flex;
  align-items: baseline;
  justify-self: start;
  gap: 14px;
  width: max-content;
  color: inherit;
  text-decoration: none;
  white-space: nowrap;
}
.site-masthead .site-wordmark span {
  display: inline;
  font: 700 20px "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  letter-spacing: .18em;
}
body[data-language="en"] .site-masthead .site-wordmark span {
  font-family: "Ysabeau", sans-serif;
  letter-spacing: .17em;
}
.site-masthead .site-progress {
  appearance: none;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 6px 8px;
  margin: 0 -8px;
  border: 0;
  border-radius: 3px;
  background: none;
  color: inherit;
  font: 500 14px/1.35 "Ysabeau", sans-serif;
  letter-spacing: .1em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .25s ease;
}
.site-masthead .site-progress:hover,
.site-masthead .site-progress:focus-visible { background: rgba(157, 61, 49, .08); }
.site-masthead .site-progress b {
  padding-left: 13px;
  border-left: 1px solid var(--site-header-line);
  font-weight: 500;
}
.site-masthead .site-progress i { color: #9d3d31; font-style: normal; }
.site-masthead .site-actions { justify-self: end; }
.site-masthead .site-language {
  display: flex;
  justify-self: end;
  align-items: center;
  gap: 7px;
  color: inherit;
  font: 600 14px/1.35 "Ysabeau", sans-serif;
  letter-spacing: .08em;
}
.site-masthead .site-language button {
  appearance: none;
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  color: inherit;
  font: inherit;
  opacity: .72;
  cursor: pointer;
}
.site-masthead .site-language button[aria-pressed="true"] { opacity: 1; color: inherit; text-decoration: underline 1px; text-underline-offset: 5px; }
body[data-language="en"] .site-masthead .site-progress { letter-spacing: .08em; }
@media (max-width: 900px) {
  :root { --site-header-height: 64px; --site-header-pad: 18px; }
  .site-masthead { grid-template-columns: 1fr auto auto; column-gap: 12px; }
  .site-masthead .site-progress { display: flex; gap: 0; margin: 0; padding: 6px; font-size: 13.5px; }
  .site-masthead .site-progress > [data-site-progress-label] { display: none; }
  .site-masthead .site-progress b { padding-left: 0; border-left: 0; white-space: nowrap; }
  body[data-language="en"] .site-masthead .site-wordmark span { max-width: 40vw; overflow: hidden; text-overflow: ellipsis; font-size: 15px; letter-spacing: .03em; }
}
@media (max-width: 520px) {
  .site-masthead .site-wordmark span { font-size: 17px; }
}