.docsShell {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
  color: #0f172a;
}

.docsHeader {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid #d9e3ef;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
  backdrop-filter: blur(14px);
}

.brandWrap {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brandLink {
  color: #0891b2;
  font-size: 1.55rem;
  font-weight: 800;
  text-decoration: none;
}

.brandSubtitle {
  color: #64748b;
  font-size: 0.92rem;
}

.headerActions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.headerButton,
.headerGhost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  color: #334155;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    background 160ms ease;
}

.headerButton:hover,
.headerGhost:hover {
  border-color: #38bdf8;
  color: #075985;
  background: #f0f9ff;
}

.langSwitch {
  display: flex;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  overflow: hidden;
  background: #ffffff;
}

.langButton {
  min-width: 54px;
  min-height: 38px;
  border: 0;
  background: transparent;
  color: #64748b;
  font-weight: 800;
  cursor: pointer;
}

.langButtonActive {
  background: #e0f2fe;
  color: #0369a1;
}

.docsFrame {
  display: grid;
  grid-template-columns: 260px minmax(0, 820px) 220px;
  justify-content: center;
  gap: 28px;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
}

.sidebar {
  position: sticky;
  top: 84px;
  align-self: start;
  max-height: calc(100vh - 108px);
  overflow: auto;
  padding: 16px;
  border: 1px solid #d8e3ef;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
}

.sidebarGroup + .sidebarGroup {
  margin-top: 22px;
}

.sidebarTitle {
  margin: 0 0 8px;
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sidebarLink {
  display: block;
  margin-bottom: 4px;
  padding: 9px 10px;
  border-radius: 8px;
  color: #334155;
  text-decoration: none;
  font-size: 0.94rem;
  line-height: 1.35;
  transition:
    background 160ms ease,
    color 160ms ease;
}

.sidebarLink:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.sidebarLinkActive {
  background: #e0f2fe;
  color: #0369a1;
  font-weight: 800;
}

.content {
  min-width: 0;
}

.contentInner {
  padding: 16px 0 56px;
}

.pageTitle {
  margin: 0;
  color: #0f172a;
  font-size: clamp(2rem, 4vw, 3.05rem);
  font-weight: 850;
  line-height: 1.12;
}

.pageDescription {
  max-width: 760px;
  margin: 14px 0 0;
  color: #475569;
  font-size: 1.03rem;
  line-height: 1.75;
}

.section {
  margin-top: 40px;
  scroll-margin-top: 104px;
}

.sectionTitle {
  margin: 0 0 14px;
  color: #1e293b;
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.25;
}

.paragraph {
  margin: 0 0 15px;
  color: #334155;
  font-size: 1rem;
  line-height: 1.85;
}

.callout {
  margin: 20px 0;
  padding: 18px 20px;
  border: 1px solid #d8e3ef;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.calloutInfo {
  border-color: #bae6fd;
  background: #f0f9ff;
}

.calloutWarning {
  border-color: #fde68a;
  background: #fffbeb;
}

.calloutSuccess {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.calloutTitle {
  margin: 0 0 8px;
  color: #0f172a;
  font-size: 0.98rem;
  font-weight: 800;
}

.calloutText {
  margin: 0;
  color: #334155;
  line-height: 1.75;
}

.list {
  margin: 0 0 16px;
  padding-left: 22px;
  color: #334155;
  line-height: 1.8;
}

.list li + li {
  margin-top: 8px;
}

.linkCard {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid #38bdf8;
  background: #e0f2fe;
  color: #0369a1;
  text-decoration: none;
  font-weight: 800;
}

.linkCard:hover {
  background: #bae6fd;
}

.linkCaption {
  margin: 10px 0 0;
  color: #64748b;
  line-height: 1.7;
}

.toc {
  position: sticky;
  top: 84px;
  align-self: start;
  padding: 16px;
  border: 1px solid #d8e3ef;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
}

.tocTitle {
  margin: 0 0 10px;
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tocLink {
  display: block;
  padding: 5px 0;
  color: #475569;
  text-decoration: none;
  line-height: 1.55;
  font-size: 0.92rem;
}

.tocLink:hover {
  color: #0369a1;
}

.mobileMenuButton {
  display: none;
  margin-bottom: 18px;
}

.mobileSidebarBackdrop {
  display: none;
}

@media (max-width: 1200px) {
  .docsFrame {
    grid-template-columns: 240px minmax(0, 820px);
    justify-content: start;
  }

  .toc {
    display: none;
  }
}

@media (max-width: 960px) {
  .docsHeader {
    align-items: flex-start;
    flex-direction: column;
  }

  .docsFrame {
    grid-template-columns: minmax(0, 1fr);
  }

  .mobileMenuButton {
    display: inline-flex;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 60;
    width: min(320px, 88vw);
    height: 100vh;
    max-height: none;
    border-radius: 0 16px 16px 0;
    transform: translateX(-100%);
    transition: transform 180ms ease-out;
  }

  .sidebarOpen {
    transform: translateX(0);
  }

  .mobileSidebarBackdrop {
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(15, 23, 42, 0.48);
    display: block;
  }
}

@media (max-width: 640px) {
  .docsHeader {
    padding: 14px 16px;
  }

  .docsFrame {
    padding: 16px;
  }

  .brandWrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .headerActions {
    width: 100%;
    justify-content: space-between;
  }

  .pageTitle {
    font-size: 2rem;
  }

  .pageDescription,
  .paragraph {
    font-size: 1rem;
  }
}