.site-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 700;
  user-select: none;
}

.bolt-site-logo {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  flex: 0 0 auto;
}

.bolt-sidebar-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-left: auto;
  border-radius: 999px;
  color: #6f7785;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1;
  transition: background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.bolt-sidebar-toggle:hover {
  background: #e8f1ff;
  color: #1a6dff;
}

@media (min-width: 50rem) {
  body .side-bar {
    left: 0 !important;
    width: 16.5rem !important;
    min-width: 16.5rem !important;
  }

  body .main {
    margin-left: 16.5rem !important;
    width: calc(100% - 16.5rem) !important;
    max-width: none !important;
  }

  body .main-content-wrap {
    width: 100% !important;
    max-width: none !important;
    justify-content: flex-start !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  body .main-content {
    width: 100% !important;
    max-width: none !important;
    box-sizing: border-box;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding-left: 1.5rem;
    padding-right: 3rem;
  }

  .side-bar,
  .main {
    transition: width 0.2s ease, margin-left 0.2s ease;
  }

  .bolt-sidebar-collapsed .side-bar {
    width: 4.5rem !important;
    min-width: 4.5rem !important;
  }

  .bolt-sidebar-collapsed .main {
    margin-left: 4.5rem !important;
    width: calc(100% - 4.5rem) !important;
  }

  .bolt-sidebar-collapsed .site-title {
    position: relative;
    justify-content: center;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    font-size: 0;
    gap: 0.25rem;
    overflow: visible;
  }

  .bolt-sidebar-collapsed .bolt-sidebar-toggle {
    position: absolute;
    top: 50%;
    right: -0.85rem;
    width: 1.8rem;
    height: 1.8rem;
    margin-left: 0;
    background: #1a6dff;
    box-shadow: 0 0.25rem 0.75rem rgba(26, 109, 255, 0.28);
    color: #ffffff;
    font-size: 1.25rem;
    transform: translateY(-50%);
    z-index: 20;
  }

  .bolt-sidebar-collapsed .bolt-sidebar-toggle:hover {
    background: #1555cc;
    color: #ffffff;
  }

  .bolt-sidebar-collapsed .site-nav,
  .bolt-sidebar-collapsed .site-footer {
    display: none !important;
  }
}

.bolt-hero-logo {
  display: block;
  width: min(30rem, 82%);
  height: auto;
  object-fit: contain;
  margin: 0 auto 1.75rem;
}

.bolt-overview-lead {
  max-width: none;
  margin: 0 0 2rem;
  padding: 1.25rem 1.5rem;
  border-left: 0.25rem solid #1a6dff;
  border-radius: 0.5rem;
  background: linear-gradient(90deg, rgba(26, 109, 255, 0.08), rgba(26, 109, 255, 0.02));
}

.bolt-overview-lead p {
  margin: 0;
  color: #3f4654;
  font-size: 1.05rem;
  line-height: 1.75;
}

.bolt-overview-lead p + p {
  margin-top: 0.85rem;
}

.site-nav,
.nav-list,
.blog-post-links {
  scrollbar-width: thin;
}

.side-bar {
  overflow-y: auto;
}

.site-nav {
  max-height: calc(100vh - 7.5rem);
  overflow-y: auto;
  padding-bottom: 1rem;
}

body .site-nav > .nav-list > .nav-list-item > .nav-list-link {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45rem;
  padding-top: 0.45rem;
  padding-bottom: 0.45rem;
}

.blog-nav-item {
  position: relative;
}

.blog-nav-item > .nav-list-link {
  padding-right: 2rem;
}

.blog-toggle-button {
  position: absolute;
  top: 0.15rem;
  right: 0.35rem;
  width: 1.5rem;
  height: 1.5rem;
  border: 0;
  border-radius: 0.25rem;
  background: transparent;
  color: #6f7785;
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1.5rem;
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.blog-toggle-button:hover {
  background: #e8f1ff;
}

.blog-posts-collapsed .blog-toggle-button {
  transform: rotate(-90deg);
}

.blog-post-links {
  display: block !important;
  max-height: 9.5rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  margin-top: 0.25rem;
  padding-left: 0.75rem;
  border-left: 1px solid #e6e6ef;
}

.blog-posts-collapsed .blog-post-links {
  display: none !important;
}

.blog-post-links .nav-list-link {
  font-size: 0.88rem;
  line-height: 1.25rem;
}

.post-meta {
  color: #6f7785;
  font-size: 0.9rem;
  margin-top: -0.75rem;
  margin-bottom: 1.5rem;
}

.post-list {
  padding-left: 1.25rem;
}

/* Darken blog post content so body text and key details remain prominent. */
body .main-content {
  color: #1f2937;
}

body .main-content h1,
body .main-content h2,
body .main-content h3 {
  color: #111827;
}

body .main-content strong {
  color: #111827;
  font-weight: 700;
}

body .main-content code {
  color: #1850b8;
}

body .main-content table th {
  background: #f3f4f6;
  color: #111827;
  font-weight: 600;
}

body .main-content .note {
  border-left: 0.3rem solid #1a6dff;
}

@media (max-width: 50rem) {
  .site-nav {
    max-height: calc(100vh - 5rem);
  }

  .blog-post-links {
    max-height: 8rem;
  }

  .bolt-hero-logo {
    width: min(24rem, 92%);
  }
}

/* ============================================================
   Feature cards (added on home page below the hero lead)
   ============================================================ */
.bolt-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 0 0 2rem;
}

.bolt-cards .card {
  border: 1px solid #e6e6ef;
  border-radius: 0.75rem;
  padding: 1.25rem;
  height: 100%;
  background: #ffffff;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.bolt-cards .card:hover {
  transform: translateY(-3px);
  border-color: #1a6dff;
  box-shadow: 0 0.75rem 1.75rem rgba(26, 109, 255, 0.12);
}

.bolt-cards .card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.bolt-cards .card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.5rem;
  color: #4b5563;
}

@media (max-width: 50rem) {
  .bolt-cards { grid-template-columns: 1fr; }
}

/* ============================================================
   Dark mode (toggled by .bolt-dark on <body>, see head_custom.html)
   ============================================================ */
body.bolt-dark {
  background: #0d1117;
  color: #c9d1d9;
}

body.bolt-dark .side-bar,
body.bolt-dark .main-content-wrap {
  background: #0d1117;
}

body.bolt-dark .side-bar {
  border-right: 1px solid #21262d;
}

body.bolt-dark .site-title,
body.bolt-dark .main-content {
  color: #c9d1d9;
}

body.bolt-dark .main-content h1,
body.bolt-dark .main-content h2,
body.bolt-dark .main-content h3,
body.bolt-dark .main-content h4 {
  color: #e6edf3;
}

body.bolt-dark .main-content strong { color: #e6edf3; }
body.bolt-dark .main-content a { color: #58a6ff; }
body.bolt-dark .main-content code { color: #79c0ff; background: #161b22; }

body.bolt-dark .site-nav .nav-list-link { color: #c9d1d9; }
body.bolt-dark .site-nav .nav-list-link:hover { background: #161b22; }
body.bolt-dark .nav-list-item .nav-list-link.active { color: #58a6ff; }

body.bolt-dark .search-input {
  background: #161b22;
  color: #c9d1d9;
  border-color: #21262d;
}

body.bolt-dark .bolt-overview-lead {
  border-left-color: #58a6ff;
  background: linear-gradient(90deg, rgba(56, 139, 253, 0.12), rgba(56, 139, 253, 0.03));
}
body.bolt-dark .bolt-overview-lead p { color: #c9d1d9; }

body.bolt-dark .bolt-cards .card {
  background: #161b22;
  border-color: #21262d;
}
body.bolt-dark .bolt-cards .card p { color: #9da7b3; }
body.bolt-dark .bolt-cards .card:hover {
  border-color: #58a6ff;
  box-shadow: 0 0.75rem 1.75rem rgba(56, 139, 253, 0.18);
}

body.bolt-dark .bolt-sidebar-toggle { color: #8b949e; }
body.bolt-dark .bolt-sidebar-toggle:hover { background: #161b22; color: #58a6ff; }
body.bolt-dark .blog-toggle-button { color: #8b949e; }
body.bolt-dark .blog-toggle-button:hover { background: #161b22; }
body.bolt-dark .blog-post-links { border-left-color: #21262d; }
body.bolt-dark .main-content table th { background: #161b22; color: #e6edf3; }

/* Theme toggle button (far right of the top aux-nav toolbar) */
.aux-nav .aux-nav-list { align-items: stretch; }
.aux-nav .aux-nav-list-item.bolt-theme-toggle-item {
  display: flex !important;
  align-items: center !important;
  height: 100% !important;
  padding-right: 1rem;
}
.bolt-theme-toggle {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.375rem;
  border: 1px solid #e6e6ef;
  background: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  line-height: 1;
  padding: 0;
}
.bolt-theme-toggle:hover { border-color: #1a6dff; }
body.bolt-dark .bolt-theme-toggle {
  background: #161b22;
  border-color: #21262d;
}

/* Dark mode: fix leftover light areas (top aux nav bar, header) */
body.bolt-dark .main-header,
body.bolt-dark .aux-nav,
body.bolt-dark .aux-nav-list,
body.bolt-dark .search {
  background: #0d1117;
}
body.bolt-dark .main-header { border-bottom: 1px solid #21262d; }
body.bolt-dark .aux-nav-list-item a,
body.bolt-dark .site-button { color: #c9d1d9; }
body.bolt-dark .search-input::placeholder { color: #6e7681; }
body.bolt-dark .search-input { background: #161b22 !important; color: #c9d1d9 !important; }
body.bolt-dark .search-results { background: #161b22; border-color: #21262d; }
/* Soften hero logo white background in dark mode */
body.bolt-dark .bolt-hero-logo {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
}

/* Dark mode: active nav item highlight */
body.bolt-dark .site-nav .nav-list-item > .nav-list-link.active {
  background: #161b22;
  color: #58a6ff;
}
body.bolt-dark .nav-list-link.active::before { background: #58a6ff; }

/* ============================================================
   Readable line length: cap main content width, left-aligned.
   Container stays full-width; text is constrained for readability.
   ============================================================ */
@media (min-width: 50rem) {
  body .main-content {
    max-width: 72rem !important;   /* widened */
    margin-left: auto !important;
    margin-right: auto !important;
  }
  /* Feature cards may span wider than the text column */
  body .main-content .bolt-cards {
    max-width: 64rem;
  }
}