/* 색상·길이는 tokens.css 변수만 사용 (var(--xxx)) */
* { box-sizing: border-box; }
html, body { height: 100%; }
html {
  font-size: var(--app-html-font-size);
  position: relative;
  min-height: 100%;
}
@media (min-width: 768px) {
  html { font-size: var(--app-html-font-size-md); }
}

body {
  margin: 0;
  background: var(--app-bg);
  color: var(--app-text);
  font: 14px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--app-accent); text-decoration: underline; }

/* ---- App shell: 사이드바는 탑바 바깥(왼쪽), 탑바·콘텐츠·푸터는 오른쪽 한 열 ---- */
.app-root {
  min-height: 100vh;
  max-height: 100vh;
  display: grid;
  grid-template-rows: 1fr;
  grid-template-columns: 1fr;
  background: var(--app-bg);
  color: var(--app-text);
  overflow: hidden;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--app-sidebar-w) 1fr;
  min-height: 0;
  overflow: hidden;
}

.app-main {
  display: grid;
  grid-template-rows: minmax(0, 1fr) var(--app-status-h);
  min-height: 0;
  overflow: hidden;
}

.app-title {
  display: inline-flex;
  align-items: center;
  gap: var(--app-title-gap);
  min-width: 0;
  overflow: hidden;
  max-width: 100%;
}
.app-title-logo {
  height: var(--app-title-logo-height);
  max-height: var(--app-title-logo-height);
  width: auto;
  max-width: var(--app-title-logo-max-width);
  display: inline-block;
  flex: 0 0 auto;
  object-fit: contain;
  vertical-align: middle;
}
.app-title-text {
  font-size: var(--app-title-text-font-size);
  font-weight: var(--app-title-text-font-weight);
  letter-spacing: var(--app-title-text-letter-spacing);
}

/* Topbar (app-topbar 스타일) */
.app-topbar {
  box-sizing: border-box;
  height: var(--app-top-h);
  min-height: var(--app-top-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--app-topbar-padding);
  background: var(--app-topbar-bg);
  border-bottom: 1px solid var(--app-border);
  overflow: hidden;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 50;
}
.app-topmenu {
  display: flex;
  align-items: center;
  gap: var(--app-topmenu-gap);
  min-width: 0;
  overflow-x: auto;
}
.app-topmenu-item {
  color: var(--text-85);
  padding: var(--app-topmenu-item-padding);
  border-radius: var(--app-topmenu-item-border-radius);
  border: 1px solid var(--app-topmenu-item-border);
  /* text-decoration: none; */
}
.app-topmenu-item:hover {
  border-color: var(--app-border);
  background: var(--overlay-w-0a);
  color: var(--app-text);
}
.app-topmenu-item.active {
  color: var(--app-text);
}
.app-topmenu .app-topmenu-item {
  margin-left: var(--app-top-left-gap);
  color: var(--app-muted);
  text-decoration: none;
}
.app-topmenu .app-topmenu-item:hover { color: var(--app-text); text-decoration: none; }

.app-top-left {
  flex-shrink: 0;
  min-width: 0;
}
.app-top-right {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: var(--space-2);
  min-width: 0;
  flex: 1 1 auto;
  justify-content: flex-end;
  margin-left: var(--app-top-left-gap);
}
.app-top-right .navbar-collapse {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
}
.app-top-right .app-sidebar-toggle {
  flex-shrink: 0;
}

.app-sidebar {
  width: var(--app-sidebar-w);
  min-height: 0;
  background: linear-gradient(180deg, var(--app-panel) 0%, var(--app-panel-2) 100%);
  border-right: 1px solid var(--app-border);
  padding: var(--app-sidebar-padding);
  display: flex;
  flex-direction: column;
  gap: var(--app-sidebar-gap);
  overflow: auto;
  transition: width 0.2s ease, padding 0.2s ease, border-width 0.2s ease;
}

.app-sidebar-title {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  min-width: 0;
  color: var(--app-text);
  text-decoration: none;
}
.app-sidebar-title:hover {
  color: var(--app-accent);
  text-decoration: none;
}
.app-sidebar-title .app-title-text {
  font-size: var(--app-title-text-font-size);
  font-weight: var(--app-title-text-font-weight);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.app-sidebar-title-logo-wrap {
  flex-shrink: 0;
  width: var(--app-sidebar-title-ico-width);
  height: var(--app-sidebar-title-ico-width);
  min-width: var(--app-sidebar-title-ico-width);
  border-radius: 50%;
  overflow: hidden;
  display: inline-flex;
}
.app-sidebar-title-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.app-sidebar-footer {
  margin-top: auto;
  padding-top: var(--app-nav-group-gap, 4px);
  border-top: 1px solid var(--app-border);
  display: flex;
  flex-direction: column;
  gap: var(--app-nav-group-gap, 4px);
}
.app-sidebar-footer .app-nav-item,
.app-sidebar-footer .app-nav-item .app-nav-ico,
.app-sidebar-footer .app-nav-item .app-nav-label {
  color: var(--app-muted);
  opacity: 0.55;
}
.app-sidebar-footer .app-nav-item:hover,
.app-sidebar-footer .app-nav-item:hover .app-nav-ico,
.app-sidebar-footer .app-nav-item:hover .app-nav-label {
  color: var(--app-text);
  opacity: 1;
}
.app-sidebar-footer .app-nav-item.active,
.app-sidebar-footer .app-nav-item.active .app-nav-ico,
.app-sidebar-footer .app-nav-item.active .app-nav-label {
  color: var(--app-muted);
  opacity: 0.55;
}
.app-sidebar-footer .app-nav-item.active:hover,
.app-sidebar-footer .app-nav-item.active:hover .app-nav-ico,
.app-sidebar-footer .app-nav-item.active:hover .app-nav-label {
  color: var(--app-text);
  opacity: 1;
}

/* 사이드바 숨김 (body.sidebar-collapsed) */
body.sidebar-collapsed .app-shell {
  grid-template-columns: 0 1fr;
}
body.sidebar-collapsed .app-sidebar {
  width: 0;
  padding: 0;
  border-right-width: 0;
  overflow: hidden;
}

/* 사이드바 오른쪽 (body.sidebar-right) */
body.sidebar-right .app-shell {
  grid-template-columns: 1fr var(--app-sidebar-w);
}
body.sidebar-right .app-sidebar {
  grid-column: 2;
  border-right: none;
  border-left: 1px solid var(--app-border);
}
body.sidebar-right .app-main {
  grid-column: 1;
}
body.sidebar-right .app-nav-item {
  border-right-color: transparent;
  border-left-color: var(--app-nav-item-border);
}
body.sidebar-right .app-nav-item:hover {
  border-left-color: var(--app-border);
}
body.sidebar-right .app-nav-item.active {
  border-right-color: transparent;
  border-left-color: var(--accent);
}
body.sidebar-right .app-nav-sub {
  margin-left: 0;
  margin-right: var(--app-nav-sub-margin-left);
  padding-left: 0;
  padding-right: var(--app-nav-sub-padding-left);
  border-left: none;
  border-right: 2px solid var(--app-border);
}
body.sidebar-right.sidebar-collapsed .app-shell {
  grid-template-columns: 1fr 0;
}
body.sidebar-right.sidebar-collapsed .app-sidebar {
  border-left-width: 0;
}

/* 사이드바 간략히 보기 (body.sidebar-compact): 너비 축소, 아이콘만 표시 */
body.sidebar-compact .app-shell {
  grid-template-columns: var(--app-sidebar-w-compact) 1fr;
}
body.sidebar-compact .app-sidebar {
  width: var(--app-sidebar-w-compact);
  padding: var(--space-2);
  justify-content: center;
}
body.sidebar-compact .app-sidebar .app-nav-label {
  display: none;
}
/* 컴팩트 모드: 사이드바 상단은 로고만 표시 */
body.sidebar-compact .app-sidebar-title .app-title-text {
  display: none;
}
body.sidebar-compact .app-sidebar-title {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
}
body.sidebar-compact .app-sidebar-title-logo-wrap {
  width: var(--app-sidebar-title-ico-width);
  height: var(--app-sidebar-title-ico-width);
  min-width: var(--app-sidebar-title-ico-width);
}
body.sidebar-compact .app-sidebar .app-nav-sub {
  display: none !important;
}
body.sidebar-compact .app-sidebar .app-nav-item {
  justify-content: center;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}
body.sidebar-compact .app-sidebar-footer .app-nav-label {
  display: none;
}
body.sidebar-compact .app-sidebar-footer .app-nav-item {
  justify-content: center;
}
body.sidebar-right.sidebar-compact .app-shell {
  grid-template-columns: 1fr var(--app-sidebar-w-compact);
}
body.sidebar-right.sidebar-compact .app-sidebar {
  width: var(--app-sidebar-w-compact);
}
body.sidebar-compact.sidebar-collapsed .app-shell {
  grid-template-columns: 0 1fr;
}
body.sidebar-right.sidebar-compact.sidebar-collapsed .app-shell {
  grid-template-columns: 1fr 0;
}
body.sidebar-compact.sidebar-collapsed .app-sidebar {
  width: 0;
  padding: 0;
  overflow: hidden;
  border-right-width: 0;
  border-left-width: 0;
}
/* 상단/하단일 때 간략 모드: 라벨 숨김, 아이콘만 */
body.sidebar-top.sidebar-compact .app-sidebar .app-nav-label,
body.sidebar-bottom.sidebar-compact .app-sidebar .app-nav-label {
  display: none;
}
body.sidebar-top.sidebar-compact .app-sidebar .app-nav-sub,
body.sidebar-bottom.sidebar-compact .app-sidebar .app-nav-sub {
  display: none !important;
}
body.sidebar-top.sidebar-compact .app-sidebar .app-nav-item,
body.sidebar-bottom.sidebar-compact .app-sidebar .app-nav-item {
  padding: var(--space-2);
}
body.sidebar-top.sidebar-compact .app-sidebar-footer .app-nav-label,
body.sidebar-bottom.sidebar-compact .app-sidebar-footer .app-nav-label {
  display: none;
}

/* 사이드바 상단 (body.sidebar-top) */
body.sidebar-top .app-shell {
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr;
}
body.sidebar-top .app-main {
  grid-column: 1;
  grid-row: 2;
}
body.sidebar-top .app-sidebar {
  grid-column: 1;
  grid-row: 1;
  width: 100%;
  min-width: 0;
  border-right: none;
  border-left: none;
  border-bottom: 1px solid var(--app-border);
  padding: var(--space-2) var(--app-content-padding);
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-2);
  overflow-x: auto;
  overflow-y: hidden;
}
body.sidebar-top .app-nav {
  flex: 1 1 auto;
  min-width: 0;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-2);
}
body.sidebar-top .app-sidebar-footer {
  flex: 0 0 auto;
}
body.sidebar-top .app-nav-group {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}
body.sidebar-top .app-nav-group:not(.active) .app-nav-sub {
  display: none !important;
}
body.sidebar-top .app-nav-group.active .app-nav-sub {
  flex-basis: 100%;
  flex-direction: row;
  flex-wrap: wrap;
  margin-left: 0;
  margin-top: var(--space-2);
  padding-left: 0;
  border-left: none;
  border-top: 1px solid var(--app-border);
  padding-top: var(--space-2);
  gap: var(--space-2);
}
body.sidebar-top .app-nav-item {
  border-right: none;
  border-bottom: 2px solid transparent;
}
body.sidebar-top .app-nav-item.active {
  border-bottom-color: var(--accent);
}
body.sidebar-top .app-nav-sub {
  margin-left: 0;
  margin-right: 0;
  padding-left: 0;
  padding-right: 0;
  border-left: none;
  border-right: none;
}
body.sidebar-top .app-sidebar-footer {
  margin-top: 0;
  margin-left: auto;
  padding-top: 0;
  padding-left: var(--space-2);
  border-top: none;
  border-left: 1px solid var(--app-border);
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-2);
}
body.sidebar-top.sidebar-collapsed .app-shell {
  grid-template-rows: 0 1fr;
}
body.sidebar-top.sidebar-collapsed .app-sidebar {
  padding: 0;
  overflow: hidden;
  border-bottom-width: 0;
}

/* 사이드바 하단 (body.sidebar-bottom) */
body.sidebar-bottom .app-shell {
  grid-template-columns: 1fr;
  grid-template-rows: 1fr auto;
}
body.sidebar-bottom .app-main {
  grid-column: 1;
  grid-row: 1;
}
body.sidebar-bottom .app-sidebar {
  grid-column: 1;
  grid-row: 2;
  width: 100%;
  min-width: 0;
  border-right: none;
  border-left: none;
  border-top: 1px solid var(--app-border);
  padding: var(--space-2) var(--app-content-padding);
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-2);
  overflow-x: auto;
  overflow-y: hidden;
}
body.sidebar-bottom .app-nav {
  flex: 1 1 auto;
  min-width: 0;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-2);
}
body.sidebar-bottom .app-sidebar-footer {
  flex: 0 0 auto;
}
body.sidebar-bottom .app-nav-group {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}
body.sidebar-bottom .app-nav-group:not(.active) .app-nav-sub {
  display: none !important;
}
body.sidebar-bottom .app-nav-group.active .app-nav-sub {
  flex-basis: 100%;
  flex-direction: row;
  flex-wrap: wrap;
  margin-left: 0;
  margin-top: var(--space-2);
  padding-left: 0;
  border-left: none;
  border-top: 1px solid var(--app-border);
  padding-top: var(--space-2);
  gap: var(--space-2);
}
body.sidebar-bottom .app-nav-item {
  border-right: none;
  border-bottom: 2px solid transparent;
}
body.sidebar-bottom .app-nav-item.active {
  border-bottom-color: var(--accent);
}
body.sidebar-bottom .app-nav-sub {
  margin-left: 0;
  margin-right: 0;
  padding-left: 0;
  padding-right: 0;
  border-left: none;
  border-right: none;
}
body.sidebar-bottom .app-sidebar-footer {
  margin-top: 0;
  margin-left: auto;
  padding-top: 0;
  padding-left: var(--space-2);
  border-top: none;
  border-left: 1px solid var(--app-border);
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-2);
}
body.sidebar-bottom.sidebar-collapsed .app-shell {
  grid-template-rows: 1fr 0;
}
body.sidebar-bottom.sidebar-collapsed .app-sidebar {
  padding: 0;
  overflow: hidden;
  border-top-width: 0;
}

/* 좁은 화면: 사이드바를 상단 가로 메뉴로, 아이콘만 표시 */
@media (max-width: 767px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  body.sidebar-bottom .app-shell {
    grid-template-rows: 1fr auto;
  }
  body.sidebar-bottom .app-main {
    order: 0;
  }
  body.sidebar-bottom .app-sidebar {
    order: 1;
  }
  .app-sidebar {
    order: 0;
    width: 100%;
    min-width: 0;
    border-right: none;
    border-bottom: 1px solid var(--app-border);
    padding: var(--space-2) var(--app-content-padding);
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-2);
    overflow-x: auto;
    overflow-y: hidden;
  }
  .app-sidebar-title {
    flex-shrink: 0;
    justify-content: center;
    padding-right: var(--space-2);
    margin-right: var(--space-2);
    border-right: 1px solid var(--app-border);
  }
  .app-sidebar-title .app-title-text {
    display: none;
  }
  .app-sidebar .app-nav-label {
    display: none;
  }
  .app-sidebar .app-nav-item {
    justify-content: center;
    padding: var(--space-2);
    flex-shrink: 0;
  }
  .app-sidebar .app-nav-sub {
    display: none !important;
  }
  .app-sidebar-footer {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    border-left: 1px solid var(--app-border);
    padding-left: var(--space-2);
    margin-left: auto;
    flex-shrink: 0;
  }
  .app-sidebar-footer .app-nav-label {
    display: none;
  }
  .app-sidebar-footer .app-nav-item {
    justify-content: center;
    padding: var(--space-2);
    flex-shrink: 0;
  }
  body.sidebar-collapsed .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: 0 1fr;
  }
  body.sidebar-collapsed .app-sidebar {
    width: 100%;
    height: 0;
    min-height: 0;
    padding: 0;
    overflow: hidden;
  }
  .app-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: var(--space-2);
    width: auto;
    flex: 1 1 auto;
    min-width: 0;
  }
  .app-nav-group {
    display: inline-flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0;
    flex-shrink: 0;
  }
  .app-nav-item {
    border-right: none;
    border-bottom: 2px solid transparent;
    border-radius: var(--radius-2);
    white-space: nowrap;
  }
  .app-nav-item.active {
    border-right: none;
    border-bottom-color: var(--accent);
  }
  .app-main {
    order: 1;
  }
}

.app-sidebar-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--app-icon-btn-width, 2.25rem);
  height: var(--app-icon-btn-height, 2rem);
  padding: 0;
  margin-left: var(--app-top-left-gap);
  background: var(--overlay-w-08);
  border: 1px solid var(--app-border);
  border-radius: var(--app-icon-btn-border-radius, var(--radius-3));
  color: var(--app-text);
  font-size: 0;
  cursor: pointer;
}
.app-sidebar-toggle::before {
  display: none; /* 아이콘은 topbar에서 SVG(icon/bars-3)로 출력 */
}
.app-sidebar-toggle .app-nav-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.app-sidebar-toggle[aria-pressed="true"]::before {
  display: none;
}
.app-sidebar-toggle:hover {
  background: var(--overlay-w-0a);
}

/* ---- Nav (app-nav 스타일). 넓은 화면에서만 세로 배치 ---- */
@media (min-width: 768px) {
  .app-nav {
    display: flex;
    flex-direction: column;
    gap: var(--app-nav-gap);
    min-width: 0;
    width: 100%;
  }
  .app-nav-group {
    display: flex;
    flex-direction: column;
    gap: var(--app-nav-group-gap);
    min-width: 0;
  }
  .app-nav-group:not(.active) .app-nav-sub {
    display: none !important;
  }
}

.app-nav-item {
  display: flex;
  align-items: center;
  font-size: var(--app-nav-item-font-size);
  gap: var(--app-nav-item-gap);
  padding: var(--app-nav-item-padding);
  color: var(--app-text);
  border: 1px solid transparent;
  border-right-color: var(--app-nav-item-border);
  background: var(--app-nav-item-bg);
  text-decoration: none;
  min-width: 0;
  overflow: hidden;
}

.app-nav-item:hover {
  border-right-color: var(--app-border);
  background: var(--overlay-w-0a);
  color: var(--app-text);
  text-decoration: none;
}

.app-nav-item.active {
  border-right-color: var(--accent);
}

.app-nav-item.active .app-nav-ico,
.app-nav-item.active .app-nav-label {
  color: var(--app-nav-item-active-text);
  font-weight: var(--app-nav-item-active-font-weight);
}

.app-nav-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--app-nav-ico-width);
  color: currentColor;
  opacity: 0.85;
}
.app-nav-ico .app-nav-ico-svg,
.app-nav-ico svg {
  width: var(--app-nav-ico-width);
  height: var(--app-nav-ico-width);
  display: block;
  flex-shrink: 0;
}

/* assets/svg 아이콘: CSS mask로 currentColor 상속 */
.app-nav-ico--svg {
  height: var(--app-nav-ico-width);
  min-width: var(--app-nav-ico-width);
  -webkit-mask-image: var(--ico);
  mask-image: var(--ico);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  background-color: currentColor;
}

.app-nav-label {
  font-weight: var(--app-nav-label-font-weight);
  min-width: 0;
  flex: 1 1 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 상단바: 아이콘만 표시(라벨 숨김) */
.app-topmenu .app-topmenu-item .app-topmenu-label { display: none; }
.app-topmenu .app-topmenu-item { padding: var(--app-topmenu-item-padding); display: inline-flex; align-items: center; justify-content: center; }
.app-topmenu .app-nav-ico { font-size: 1.1rem; }

.app-nav-sub {
  display: flex;
  flex-direction: column;
  gap: var(--app-nav-sub-gap);
  padding-left: var(--app-nav-sub-padding-left);
  margin-top: var(--app-nav-sub-margin-top);
  border-left: 2px solid var(--app-border);
  margin-left: var(--app-nav-sub-margin-left);
}

.app-nav-sub-item {
  display: flex;
  align-items: center;
  gap: var(--space-1, 0.25rem);
  padding: var(--app-nav-sub-item-padding);
  font-size: var(--app-nav-sub-item-font-size);
  color: var(--app-muted);
  text-decoration: none;
  border-radius: var(--app-nav-sub-item-border-radius);
  border: 1px solid var(--app-nav-sub-item-border);
  min-width: 0;
  overflow: hidden;
}
.app-nav-sub-item-text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-nav-sub-item:hover {
  color: var(--app-text);
  background: var(--overlay-w-0a);
  border-color: var(--app-border);
  text-decoration: none;
}

.app-nav-sub-item.active {
  color: var(--app-accent);
  font-weight: var(--app-nav-sub-item-active-font-weight);
}

.app-content {
  padding: 0 var(--app-content-padding) var(--app-content-padding);
  overflow-y: auto;
  overflow-x: auto;
  min-width: 0;
  min-height: 0;
  --content-available-h: var(--app-content-available-h);
}
.app-content-inner { max-width: var(--content-max-w); }

.muted { color: var(--app-muted); }

/* 페이지 하단 prev/next 네비게이션 */
.page-nav {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--app-border);
}
.page-nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 0;
  width: 100%;
}
.page-nav-prev,
.page-nav-next {
  flex: 1;
  min-width: 0;
  font-size: var(--fs-3, 0.875rem);
  color: var(--accent);
  text-decoration: none;
  padding: 0.5rem 0.25rem;
  display: flex;
  align-items: center;
}
.page-nav-prev {
  justify-content: flex-start;
}
.page-nav-next {
  justify-content: flex-end;
  text-align: right;
}
.page-nav-prev:hover,
.page-nav-next:hover {
  text-decoration: underline;
  background: var(--overlay-w-08);
  border-radius: var(--radius-2, 0.375rem);
}
.page-nav-empty {
  flex: 1;
  min-width: 0;
  visibility: hidden;
  pointer-events: none;
}

.app-statusbar {
  box-sizing: border-box;
  min-height: var(--app-status-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--app-statusbar-gap);
  padding: var(--app-statusbar-padding);
  border-top: 1px solid var(--app-border);
  background: var(--app-statusbar-bg);
  color: var(--app-muted);
  font-size: var(--app-statusbar-font-size);
  flex-shrink: 0;
}
.app-statusbar .page-nav {
  margin: 0;
  padding: 0;
  border: none;
  flex: 1;
  min-width: 0;
  font-size: inherit;
}
.app-statusbar .page-nav-prev,
.app-statusbar .page-nav-next {
  padding: 0.25rem 0;
}

.app-page-container {
  margin: 2rem 1rem;
}
.page-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 0.6rem;
  margin: 0.5rem 0 1rem;
}
.page-tag {
  display: inline-block;
  padding: 0.2em 0.5em;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--app-muted);
  background: var(--overlay-w-0a);
  border: 1px solid var(--app-border);
  border-radius: var(--radius-2, 4px);
}
.page-tag:hover {
  color: var(--app-text);
  border-color: var(--app-muted);
}
/* ---- Content typography ---- */
.app-content h1 { font-size: 1.5rem; margin: 24px 0 12px; font-weight: 700; }
.app-content h1:first-child { margin-top: 0; }
.app-content h2 { font-size: 1.2rem; margin: 20px 0 10px; font-weight: 600; color: var(--app-text); }
.app-content h3 { font-size: 1.05rem; margin: 16px 0 8px; font-weight: 600; }
.app-content p { margin: 0 0 12px; }
.app-content hr {
  margin: 2rem 0;
  border: none;
  border-top: 1.5px solid var(--app-border);
}
/* .app-content ul, .app-content ol { margin: 0 0 12px; padding-left: 1.5em; } */
.settings-block { margin-bottom: 1rem; }
.settings-block--row {
  display: flex !important;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: nowrap;
}
.settings-block--row .settings-label { display: inline !important; margin: 0; }
.settings-block--row .settings-select,
.settings-block--row .settings-check-label { margin-left: auto; flex-shrink: 0; }
.settings-label { font-weight: 600; color: var(--app-text); margin: 0 0 0.25rem; display: block; }
.settings-select { padding: 0.35em 0.6em; border-radius: var(--radius-2, 4px); border: 1px solid var(--app-border); background: var(--app-panel); color: var(--app-text); font-size: 1rem; }
.settings-check-label { display: inline-flex; align-items: center; gap: 0.35rem; cursor: pointer; }
.settings-check-label input[type="checkbox"] { margin: 0; }

.app-content li { margin-bottom: 4px; }
.app-content strong { font-weight: 600; color: var(--app-text); }

/* ---- Content: 코드 블록 (pre/code) ---- */
/* 바깥만 박스: .highlight( Jekyll 래퍼 )에만 적용, 안쪽 pre는 박스 제거해 이중 레이어 방지 */
.app-content .highlight {
  margin: 1rem 0 1rem;
  padding: 0.875rem 1rem;
  background: var(--app-panel, var(--surface-1));
  border: 1px solid var(--app-border);
  border-radius: var(--radius-2, 0.375rem);
  overflow-x: auto;
  font-size: var(--fs-2, 0.85rem);
  line-height: 1.5;
}
/* 코드 블록 복사 버튼 (터미널 상단바 전용) */
.terminal-pre-wrap {
  position: relative;
}
.terminal-pre-wrap .code-block-copy-btn {
  position: absolute;
  top: 0.35rem;
  right: 0.75rem;
  width: 1rem;
  height: 1rem;
  /* padding: 0.25rem; */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  /* border-radius: var(--radius-1, 0.25rem); */
  color: var(--text-85, currentColor);
  cursor: pointer;
  opacity: 0.85;
  transition: opacity 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.app-content .code-block-copy-btn:hover {
  opacity: 1;
  color: var(--tone-text-inverse);
  /* border-color: var(--accent, var(--app-accent)); */
}
.app-content .code-block-copy-btn svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}
.app-content .code-block-copy-btn.copied {
  color: var(--app-muted);
}
.app-content .highlight pre {
  position: relative;
  margin: 0;
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
  white-space: pre-wrap;
  word-break: break-word;
}
.app-content pre:not(.highlight *) {
  position: relative;
  margin: 0.75rem 0 1rem;
  padding: 0.875rem 1rem;
  background: var(--app-panel, var(--surface-1));
  border: 1px solid var(--app-border);
  border-radius: var(--radius-2, 0.375rem);
  overflow-x: auto;
  font-size: var(--fs-2, 0.85rem);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Terminal-like viewer (shared) */
.terminal-box { 
  display: block;
  margin-top: var(--space-3, 0.5rem);
  flex-shrink: 0; 
}
.terminal-pre-wrap {
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 4px 12px rgba(0,0,0,0.35);
  background: #0d1117;
}
.terminal-pre-wrap::before {
  content: "● ● ●";
  display: block;
  height: var(--fs-10);
  line-height: 28px;
  padding-left: 12px;
  font-size: var(--space-5);
  letter-spacing: 3px;
  color: #484f58;
  background: #161b22;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-sizing: border-box;
}
.terminal-pre-wrap {
  height: var(--terminal-height, auto);
  min-height: var(--terminal-height, auto);
  display: flex;
  flex-direction: column;
}
.app-content pre.terminal-content {
  margin: 0;
  padding: var(--space-4);
  font-size: var(--terminal-fs);
  line-height: 1.45;
  font-family: "SF Mono", "Monaco", "Inconsolata", "Fira Mono", ui-monospace, monospace;
  background: #0d1117;
  color: #d4d4d4;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overflow-x: auto;
  overflow-y: auto;
  white-space: pre-wrap;   /* 줄바꿈(\n)은 살리면서 자동 줄바꿈 허용 */
  word-break: break-word;  /* 너무 긴 단어/경로는 적당히 잘라서 줄바꿈 */
  overflow-wrap: normal;
  height: 100%;
  min-height: 0;
  flex: 1;
}
.terminal-content .term-prompt { color: #4ec9b0; font-weight: 600; }
.terminal-content.log-loading { color: #858585; }
.terminal-content.log-error { color: #f87171; }
.app-content pre code,
.app-content .highlight code,
.app-content code {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
  color: var(--app-text);
  background: none;
  padding: 0;
}

/* ---- 코드 블록: Rouge 문법 강조 (노션 스타일) ---- */
.app-content .highlight .c,
.app-content .highlight .c1,
.app-content .highlight .cm,
.app-content .highlight .cp,
.app-content .highlight .cs { color: var(--syn-comment); }
.app-content .highlight .k,
.app-content .highlight .kc,
.app-content .highlight .kd,
.app-content .highlight .kn,
.app-content .highlight .kp,
.app-content .highlight .kr,
.app-content .highlight .kt { color: var(--syn-keyword); }
.app-content .highlight .s,
.app-content .highlight .s1,
.app-content .highlight .s2,
.app-content .highlight .sa,
.app-content .highlight .sb,
.app-content .highlight .sc,
.app-content .highlight .sd,
.app-content .highlight .se,
.app-content .highlight .sh,
.app-content .highlight .si,
.app-content .highlight .sx,
.app-content .highlight .sr,
.app-content .highlight .ss { color: var(--syn-string); }
.app-content .highlight .m,
.app-content .highlight .mb,
.app-content .highlight .mf,
.app-content .highlight .mh,
.app-content .highlight .mi,
.app-content .highlight .il,
.app-content .highlight .mo,
.app-content .highlight .mx { color: var(--syn-number); }
.app-content .highlight .nf,
.app-content .highlight .fm { color: var(--syn-function); }
.app-content .highlight .nc,
.app-content .highlight .nn { color: var(--syn-class); }
.app-content .highlight .no,
.app-content .highlight .na { color: var(--syn-constant); }
.app-content .highlight .nb,
.app-content .highlight .bp { color: var(--syn-builtin); }
.app-content .highlight .o,
.app-content .highlight .ow { color: var(--syn-operator); }
.app-content .highlight .p { color: var(--syn-punctuation); }
.app-content .highlight .n,
.app-content .highlight .nv,
.app-content .highlight .vc,
.app-content .highlight .vg,
.app-content .highlight .vi,
.app-content .highlight .vm,
.app-content .highlight .nt,
.app-content .highlight .nd,
.app-content .highlight .ne,
.app-content .highlight .nx,
.app-content .highlight .py,
.app-content .highlight .nl { color: var(--app-text); }
.app-content .highlight .err,
.app-content .highlight .gr { color: var(--syn-error); }

.app-content :not(pre) > code {
  padding: 0.1em 0.4em;
  background: var(--app-panel, var(--surface-1));
  border: 1px solid var(--app-border);
  border-radius: var(--radius-1, 0.25rem);
  font-size: var(--fs-2);
}

/* ---- Content: 표 (table) ---- */
.app-content table {
  width: 100%;
  max-width: 100%;
  margin: 0.75rem 0 1rem;
  border-collapse: collapse;
  font-size: var(--fs-3, 0.875rem);
}
.app-content th,
.app-content td {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--app-border);
  text-align: left;
  vertical-align: top;
}
.app-content th {
  font-weight: 600;
  background: var(--app-panel, var(--surface-1));
  color: var(--app-text);
}
.app-content tbody tr:nth-child(even) { background: var(--overlay-w-04, rgba(255,255,255,0.04)); }
.app-content tbody tr:hover { background: var(--overlay-w-06, rgba(255,255,255,0.06)); }

/* ---- Home page (index.md only) ---- */
.home-page { max-width: 52rem; }
.home-page .home-lead {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--app-muted);
  margin: 0 0 1.5rem;
}
.home-page h2 {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--app-border);
}
.home-page h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }
.home-page h1 { margin-bottom: 0.5rem; }
.home-page h1 + p { margin-top: 0; }

/* ---- Section index list (하위 항목 / Latest 리스트) ---- */
.section-index-list {
  list-style: none;
  padding-left: 0;
  margin: 0.5rem 0 0;
}

/* ---- Section: Techs posts list ---- */
.section-posts { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--app-border); }
.section-posts-header { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.section-posts .section-index-title { font-size: 1.2rem; margin: 0; }
.section-post-btn {
  display: inline-block;
  padding: 0.4rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--app-bg, #1a1a1a);
  background: var(--app-text, #e6e6e6);
  border: 1px solid var(--app-border);
  border-radius: var(--radius-3, 6px);
  text-decoration: none;
}
.section-post-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.section-posts .section-index-lead { margin-bottom: 0.75rem; color: var(--app-muted); font-size: 0.95rem; }
.section-posts .section-index-list { margin-top: 0; }
.section-posts .section-index-list li { display: flex; align-items: baseline; gap: 0.75rem; flex-wrap: wrap; }
.section-post-date { font-size: 0.875rem; color: var(--app-muted); font-weight: 400; }