.wiki-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  background: var(--page-bg);
  color: var(--text);
}

.wiki-sidebar {
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: 1.25rem 1rem;
  border-right: 1px solid var(--sidebar-border);
}

.wiki-brand a {
  color: var(--sidebar-muted);
  font-size: 0.85rem;
  text-decoration: none;
}

.wiki-brand a:hover {
  color: var(--sidebar-text);
}

.wiki-brand h1 {
  margin: 0.5rem 0 1rem;
  font-size: 1.15rem;
  line-height: 1.3;
}

.wiki-nav-section {
  margin-bottom: 1rem;
}

.wiki-nav-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sidebar-muted);
  padding: 0 0.5rem;
  margin-bottom: 0.35rem;
}

.wiki-nav a {
  display: block;
  padding: 0.45rem 0.55rem;
  border-radius: 6px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.92rem;
}

.wiki-nav a:hover {
  background: var(--sidebar-surface);
}

.wiki-nav a.active {
  background: var(--accent);
  color: #fff;
}

.wiki-main {
  padding: 1.25rem 2rem 2.5rem;
  max-width: 52rem;
}

.wiki-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  position: sticky;
  top: 0;
  background: linear-gradient(var(--page-bg) 75%, transparent);
  padding: 0.35rem 0 0.75rem;
  z-index: 10;
}

.wiki-topbar h2 {
  margin: 0;
  font-size: 1.5rem;
}

.wiki-content.prose h1 {
  font-size: 1.75rem;
  margin-top: 0;
}

.wiki-content.prose h2 {
  margin-top: 1.75rem;
  font-size: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
}

.wiki-content.prose h3 {
  margin-top: 1.25rem;
  font-size: 1.05rem;
}

.wiki-content.prose p,
.wiki-content.prose li {
  line-height: 1.6;
}

.wiki-content.prose a {
  color: var(--accent);
}

.wiki-content.prose code {
  background: var(--chip-bg);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.wiki-content.prose pre {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  overflow-x: auto;
}

.wiki-content.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.wiki-content.prose th,
.wiki-content.prose td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.65rem;
  text-align: left;
}

.wiki-content.prose th {
  background: var(--table-head);
}

@media (max-width: 800px) {
  .wiki-shell {
    grid-template-columns: 1fr;
  }
  .wiki-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--sidebar-border);
  }
  .wiki-main {
    padding: 1rem;
  }
}

/* Reuse app theme dropdown styles */
.theme-dropdown {
  position: relative;
}
.theme-dropdown-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}
.theme-dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  min-width: 11rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.35rem;
  z-index: 50;
  box-shadow: 0 8px 24px var(--shadow);
}
.theme-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 0.45rem 0.55rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}
.theme-dropdown-item:hover,
.theme-dropdown-item.active {
  background: var(--table-hover);
}
.theme-dropdown-swatches {
  display: inline-flex;
  gap: 2px;
}
.theme-dropdown-swatches span {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

@media (max-width: 800px) {
  .wiki-shell {
    grid-template-columns: 1fr;
  }

  .wiki-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--sidebar-border);
    padding: 0.85rem 1rem;
  }

  .wiki-brand h1 {
    font-size: 1.05rem;
    margin-bottom: 0.65rem;
  }

  .wiki-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .wiki-nav-section {
    margin-bottom: 0.65rem;
    width: 100%;
  }

  .wiki-nav a {
    display: inline-block;
    margin-right: 0.25rem;
  }

  .wiki-main {
    padding: 1rem 0.85rem 2rem;
    max-width: 100%;
  }

  .wiki-topbar h2 {
    font-size: 1.15rem;
  }

  .wiki-content.prose {
    font-size: 0.95rem;
  }
}