.post-site-header {
  height: auto;
  min-height: var(--common-header-height);
  flex-wrap: wrap;
  column-gap: 16px;
  row-gap: 0;
  padding-top: 6px;
}

.post-site-header .tagline {
  align-self: auto;
  margin-bottom: 0;
}

.post-site-header .repo-tabs {
  flex: 0 0 100%;
  padding: 0;
}

.post-site-header .repo-tabs a {
  color: var(--posts-muted);
}

.post-site-header .repo-tabs a[href]:hover {
  color: #2454b8;
}

.post-site-header .repo-tabs a[aria-disabled='true'] {
  opacity: 0.45;
  cursor: default;
}

.post-site-header .repo-tabs a:focus-visible {
  outline: 2px solid #4f7cff;
  outline-offset: -3px;
}

.post-article-body a.simulation-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border: 1px solid #cddcfa;
  border-radius: 14px;
  background: linear-gradient(120deg, #eff6ff, #f8faff);
  color: #173c78;
  text-decoration: none;
  transition:
    background 0.2s,
    border-color 0.2s;
}

.simulation-link-icon {
  display: grid;
  place-items: center;
  flex: 0 0 44px;
  height: 44px;
  border-radius: 12px;
  background: #3861fb;
  color: #fff;
  font-size: 16px;
}

.simulation-link small {
  display: block;
  margin-bottom: 4px;
  color: #526c98;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.simulation-link strong {
  display: block;
  font-size: 16px;
  line-height: 1.45;
}

.simulation-link-arrow {
  margin-left: auto;
  font-size: 24px;
}

.post-article-body a.simulation-link:hover {
  border-color: #3861fb;
  background: #e9f0ff;
}

.simulation-link:focus-visible {
  outline: 3px solid #3861fb;
  outline-offset: 3px;
}

@media (max-width: 768px) {
  .post-site-header {
    height: auto;
    padding: var(--common-header-height) 16px 0;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
  }

  .post-site-header .menu {
    color: var(--common-ink);
    text-shadow: none;
  }

  .post-site-header .repo-tabs {
    gap: 4px;
    border-top: 0;
  }

  .post-site-header .repo-tabs a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding: 10px 12px;
    color: var(--color-muted);
  }

  .post-site-header .repo-tabs a[href]:hover {
    color: var(--color-primary);
  }

  .post-site-header .repo-tabs a:focus-visible {
    outline-color: var(--color-primary);
  }
}