body {
  background: linear-gradient(180deg, #f8f9fa 0%, #eef2f6 100%);
  min-height: 100vh;
}

.navbar-brand img {
  max-height: 36px;
}

.navbar .nav-link {
  border-radius: 0.5rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  background-color: var(--bs-light);
}

.navbar .nav-link.active,
.navbar .nav-link.active:hover,
.navbar .nav-link.active:focus {
  border-left: 3px solid var(--bs-primary);
  padding-left: calc(0.75rem - 3px);
  background-color: var(--bs-primary-bg-subtle);
  color: var(--bs-primary-text-emphasis);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

.page-shell {
  max-width: 960px;
}

.content-card {
  border: 0;
  border-radius: 1rem;
}

.content-card .card-body {
  padding: 1.75rem;
}

.content-card img {
  max-width: 100%;
  height: auto;
}

.content-card table {
  max-width: 100%;
}

.screenshot-grid {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.screenshot-grid > table {
  margin-left: auto;
  margin-right: auto;
  width: min(100%, 500px);
}

.screenshot-grid td {
  padding: 0.35rem !important;
}

.screenshot-grid img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.content-card a {
  text-decoration: none;
}

.content-card a:hover {
  text-decoration: underline;
}

.footer-note {
  font-size: 0.9rem;
  color: #6c757d;
}