/* BYUNSHIJI SITE UI V123
 * One primary header for desktop and mobile, with accessible text contrast.
 */
:root {
  --ui123-bg: #fffdf8;
  --ui123-paper: #fffdf8;
  --ui123-ink: #1d1812;
  --ui123-text: #3f352b;
  --ui123-muted: #5d5348;
  --ui123-accent: #8b5418;
  --ui123-line: #d4c4ab;
  --ui123-shadow: 0 18px 48px rgba(45, 34, 21, .15);
  --ui123-serif: Georgia, "Times New Roman", "Noto Serif KR", serif;
  --ui123-sans: Arial, "Noto Sans KR", "Noto Sans", sans-serif;
}

html body.site-ui-v123 > header.atlas-unified-header-v123,
html.atlas-v102 body.site-ui-v123 > header.atlas-unified-header-v123 {
  position: sticky !important;
  inset: 0 0 auto !important;
  z-index: 1000000 !important;
  display: block !important;
  visibility: visible !important;
  width: 100% !important;
  min-width: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: visible !important;
  border: 0 !important;
  border-bottom: 1px solid var(--ui123-line) !important;
  border-radius: 0 !important;
  background: rgba(255, 253, 248, .98) !important;
  color: var(--ui123-ink) !important;
  box-shadow: none !important;
  font-family: var(--ui123-sans) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

body.site-ui-v123 > .topbar,
body.site-ui-v123 > .site-header,
body.site-ui-v123 > .global-header,
body.site-ui-v123 > .masthead,
body.site-ui-v123 > .nav-wrap,
body.site-ui-v123 > nav.atlas-legacy-topnav-v102 {
  display: none !important;
}

.atlas-unified-header-v123 *,
.atlas-unified-header-v123 *::before,
.atlas-unified-header-v123 *::after {
  box-sizing: border-box !important;
}

.atlas-unified-header-v123 .atlas-unified-inner-v123 {
  position: relative !important;
  display: flex !important;
  align-items: center !important;
  gap: 18px !important;
  width: min(100%, 1500px) !important;
  min-height: 84px !important;
  margin: 0 auto !important;
  padding: 12px 26px !important;
}

.atlas-unified-header-v123 .atlas-unified-brand-v123 {
  flex: 0 1 auto !important;
  min-width: 0 !important;
  margin: 0 auto 0 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  color: var(--ui123-ink) !important;
  text-decoration: none !important;
}

.atlas-unified-header-v123 .atlas-unified-brand-v123 b {
  display: block !important;
  margin: 0 !important;
  color: var(--ui123-ink) !important;
  font: 700 23px/1.08 var(--ui123-serif) !important;
  letter-spacing: -.035em !important;
  white-space: nowrap !important;
}

.atlas-unified-header-v123 .atlas-unified-brand-v123 small {
  display: block !important;
  margin: 5px 0 0 !important;
  color: var(--ui123-accent) !important;
  font: 600 9px/1 var(--ui123-sans) !important;
  letter-spacing: .2em !important;
  text-transform: uppercase !important;
  white-space: nowrap !important;
}

.atlas-unified-header-v123 .atlas-unified-nav-v123 {
  display: flex !important;
  align-items: center !important;
  gap: clamp(12px, 1.3vw, 20px) !important;
  min-width: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
}

.atlas-unified-header-v123 .atlas-unified-nav-v123 a {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 36px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  color: var(--ui123-muted) !important;
  font: 500 13px/1 var(--ui123-sans) !important;
  text-decoration: none !important;
  white-space: nowrap !important;
}

.atlas-unified-header-v123 .atlas-unified-nav-v123 a:hover,
.atlas-unified-header-v123 .atlas-unified-nav-v123 a.active,
.atlas-unified-header-v123 .atlas-unified-nav-v123 a[aria-current="page"] {
  color: var(--ui123-accent) !important;
}

.atlas-unified-header-v123 .atlas-unified-nav-v123 a.active,
.atlas-unified-header-v123 .atlas-unified-nav-v123 a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--ui123-accent) !important;
}

.atlas-unified-header-v123 .atlas-unified-tools-v123 {
  display: flex !important;
  flex: 0 0 auto !important;
  align-items: center !important;
  gap: 8px !important;
  margin: 0 !important;
}

.atlas-unified-header-v123 .atlas-unified-language-v123,
.atlas-unified-header-v123 .atlas-language-quick-v115 {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-width: 42px !important;
  min-height: 40px !important;
  margin: 0 !important;
  padding: 0 11px !important;
  border: 1px solid var(--ui123-line) !important;
  border-radius: 999px !important;
  background: var(--ui123-paper) !important;
  color: #69451f !important;
  font: 700 12px/1 var(--ui123-sans) !important;
  text-decoration: none !important;
}

.atlas-unified-header-v123 .atlas-unified-language-v123:hover,
.atlas-unified-header-v123 .atlas-language-quick-v115:hover {
  border-color: var(--ui123-accent) !important;
  background: var(--ui123-accent) !important;
  color: #fffdf8 !important;
}

.atlas-unified-header-v123 .atlas-unified-menu-button-v123 {
  display: none !important;
  flex: 0 0 42px !important;
  width: 42px !important;
  height: 40px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 1px solid var(--ui123-line) !important;
  border-radius: 999px !important;
  background: var(--ui123-paper) !important;
  color: var(--ui123-ink) !important;
  cursor: pointer !important;
}

.atlas-unified-header-v123 .atlas-unified-menu-button-v123 span {
  display: block !important;
  width: 17px !important;
  height: 1px !important;
  margin: 4px auto !important;
  background: currentColor !important;
  transition: transform .18s ease, opacity .18s ease !important;
}

.atlas-unified-header-v123.is-open .atlas-unified-menu-button-v123 span:nth-child(1) {
  transform: translateY(5px) rotate(45deg) !important;
}

.atlas-unified-header-v123.is-open .atlas-unified-menu-button-v123 span:nth-child(2) {
  opacity: 0 !important;
}

.atlas-unified-header-v123.is-open .atlas-unified-menu-button-v123 span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg) !important;
}

.atlas-unified-header-v123 .atlas-language-menu-v115 {
  position: relative !important;
  display: block !important;
  margin: 0 !important;
  padding: 0 !important;
}

.atlas-unified-header-v123 .atlas-language-menu-v115 > summary {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 7px !important;
  min-height: 40px !important;
  margin: 0 !important;
  padding: 0 10px !important;
  border: 1px solid var(--ui123-line) !important;
  border-radius: 999px !important;
  background: var(--ui123-paper) !important;
  color: #44372b !important;
  font: 600 12px/1 var(--ui123-sans) !important;
  cursor: pointer !important;
  list-style: none !important;
}

.atlas-unified-header-v123 .atlas-language-menu-v115 > summary::-webkit-details-marker {
  display: none !important;
}

.atlas-unified-header-v123 .atlas-language-menu-v115 > summary b {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-width: 24px !important;
  height: 24px !important;
  border-radius: 999px !important;
  background: var(--ui123-accent) !important;
  color: #fffdf8 !important;
  font: 700 10px/1 var(--ui123-sans) !important;
}

.atlas-unified-header-v123 .atlas-language-panel-v115 {
  position: absolute !important;
  z-index: 1000002 !important;
  top: calc(100% + 10px) !important;
  right: 0 !important;
  display: none !important;
  width: min(720px, calc(100vw - 24px)) !important;
  max-height: min(72vh, 620px) !important;
  overflow: auto !important;
  margin: 0 !important;
  padding: 18px !important;
  border: 1px solid var(--ui123-line) !important;
  border-radius: 14px !important;
  background: var(--ui123-paper) !important;
  color: var(--ui123-ink) !important;
  box-shadow: var(--ui123-shadow) !important;
}

.atlas-unified-header-v123 .atlas-language-menu-v115[open] > .atlas-language-panel-v115 {
  display: block !important;
}

.atlas-unified-header-v123 .atlas-language-grid-v115 {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: 7px !important;
}

.atlas-unified-header-v123 .atlas-language-grid-v115 a,
.atlas-unified-header-v123 .atlas-language-index-v115 {
  display: flex !important;
  align-items: center !important;
  min-height: 38px !important;
  padding: 7px 9px !important;
  border: 1px solid transparent !important;
  border-radius: 8px !important;
  background: transparent !important;
  color: #3b3229 !important;
  font: 500 12px/1.35 var(--ui123-sans) !important;
  text-decoration: none !important;
}

.atlas-unified-header-v123 .atlas-language-grid-v115 a:hover,
.atlas-unified-header-v123 .atlas-language-grid-v115 a[aria-current="page"] {
  border-color: var(--ui123-line) !important;
  background: #f5ecdf !important;
  color: #603b14 !important;
}

.atlas-unified-header-v123 .atlas-language-index-v115 {
  justify-content: center !important;
  margin-top: 12px !important;
  border-color: var(--ui123-line) !important;
}

.atlas-unified-header-v123 :focus-visible {
  outline: 3px solid rgba(139, 84, 24, .38) !important;
  outline-offset: 3px !important;
}

/* Runtime contrast repair: JS chooses the higher-contrast dark or light colour. */
body.site-ui-v123 .atlas-contrast-repaired-v123 {
  color: var(--ui123-auto-color) !important;
  opacity: 1 !important;
  text-shadow: none !important;
}

/* Research/oral-history pages need deterministic colours even before JS runs. */
body.site-ui-v123:not(.ink-mode) .rs-p,
body.site-ui-v123:not(.ink-mode) .rs-p strong,
body.site-ui-v123:not(.ink-mode) .rs-ul li,
body.site-ui-v123:not(.ink-mode) .rs-tbl td {
  color: #211b15 !important;
  opacity: 1 !important;
}

body.site-ui-v123:not(.ink-mode) .rs-sub,
body.site-ui-v123:not(.ink-mode) .rs-meta,
body.site-ui-v123:not(.ink-mode) .rs-q p,
body.site-ui-v123:not(.ink-mode) .rs-tbl th {
  color: #51463a !important;
  opacity: 1 !important;
}

body.site-ui-v123:not(.ink-mode) .rs-tbl strong,
body.site-ui-v123:not(.ink-mode) .rs-q strong {
  color: #754714 !important;
}

@media (max-width: 1040px) {
  .atlas-unified-header-v123 .atlas-unified-inner-v123 {
    min-height: 72px !important;
    gap: 9px !important;
    padding: 10px 14px !important;
  }

  .atlas-unified-header-v123 .atlas-unified-brand-v123 b {
    font-size: 20px !important;
  }

  .atlas-unified-header-v123 .atlas-unified-brand-v123 small {
    font-size: 8px !important;
    letter-spacing: .16em !important;
  }

  .atlas-unified-header-v123 .atlas-unified-menu-button-v123 {
    display: block !important;
  }

  .atlas-unified-header-v123 .atlas-unified-nav-v123 {
    position: absolute !important;
    z-index: 1000001 !important;
    top: calc(100% + 1px) !important;
    right: 12px !important;
    left: 12px !important;
    display: none !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 6px !important;
    padding: 12px !important;
    border: 1px solid var(--ui123-line) !important;
    border-radius: 13px !important;
    background: var(--ui123-paper) !important;
    box-shadow: var(--ui123-shadow) !important;
  }

  .atlas-unified-header-v123.is-open .atlas-unified-nav-v123 {
    display: grid !important;
  }

  .atlas-unified-header-v123 .atlas-unified-nav-v123 a {
    justify-content: flex-start !important;
    min-height: 44px !important;
    padding: 0 13px !important;
    border-radius: 8px !important;
    color: #40362c !important;
    font-size: 14px !important;
  }

  .atlas-unified-header-v123 .atlas-unified-nav-v123 a:hover,
  .atlas-unified-header-v123 .atlas-unified-nav-v123 a.active {
    background: #f4eadc !important;
    box-shadow: none !important;
  }

  .atlas-unified-header-v123 .atlas-language-panel-v115 {
    position: fixed !important;
    top: 78px !important;
    right: 12px !important;
    left: 12px !important;
    width: auto !important;
  }

  .atlas-unified-header-v123 .atlas-language-grid-v115 {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 560px) {
  .atlas-unified-header-v123 .atlas-unified-inner-v123 {
    padding-right: 10px !important;
    padding-left: 12px !important;
  }

  .atlas-unified-header-v123 .atlas-unified-brand-v123 {
    overflow: hidden !important;
  }

  .atlas-unified-header-v123 .atlas-unified-brand-v123 b {
    overflow: hidden !important;
    max-width: 43vw !important;
    font-size: 18px !important;
    text-overflow: ellipsis !important;
  }

  .atlas-unified-header-v123 .atlas-unified-brand-v123 small {
    overflow: hidden !important;
    max-width: 43vw !important;
    text-overflow: ellipsis !important;
  }

  .atlas-unified-header-v123 .atlas-unified-language-v123,
  .atlas-unified-header-v123 .atlas-language-quick-v115,
  .atlas-unified-header-v123 .atlas-unified-menu-button-v123,
  .atlas-unified-header-v123 .atlas-language-menu-v115 > summary {
    min-width: 40px !important;
    width: 40px !important;
    height: 40px !important;
    padding: 0 !important;
  }

  .atlas-unified-header-v123 .atlas-language-menu-v115 > summary span {
    display: none !important;
  }

  .atlas-unified-header-v123 .atlas-language-grid-v115 {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 380px) {
  .atlas-unified-header-v123 .atlas-unified-brand-v123 small {
    display: none !important;
  }

  .atlas-unified-header-v123 .atlas-unified-brand-v123 b {
    max-width: 39vw !important;
    font-size: 17px !important;
  }
}