*,
*::before,
*::after {
  box-sizing: border-box;
}

body.post-page {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--fg);
  background:
    radial-gradient(120% 80% at 50% -10%, #f8faff 0%, var(--bg) 50%, var(--bg-deep) 100%);
  line-height: 1.65;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 100;
  padding: 0.55rem 0.9rem;
  font-weight: 600;
  color: var(--fg);
  background: #fff;
  border-radius: 999px;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.post-page__bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 4vw, 2rem);
  border-bottom: 1px solid rgb(28 25 48 / 0.08);
  background: rgb(255 255 255 / 0.72);
  backdrop-filter: blur(12px);
}

.post-page__brand {
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
  text-decoration: none;
}

.post-page__links {
  display: flex;
  gap: 1rem;
}

.post-page__links a {
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--fg-muted);
  text-decoration: none;
}

.post-page__links a:hover {
  color: var(--fg);
}

.post-page__main {
  width: min(52rem, calc(100% - 2rem));
  margin: 2rem auto 4rem;
}

.blog-article__head {
  margin-bottom: 1.5rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid rgb(28 25 48 / 0.08);
}

.blog-article__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.blog-article__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
}

.blog-article__date {
  font-size: var(--t-sm);
  color: var(--fg-dim);
}

.blog-article__cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.blog-article__cat {
  display: inline-flex;
  padding: 0.28rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-decoration: none;
  background: rgb(28 25 48 / 0.05);
  border: 1px solid rgb(28 25 48 / 0.08);
  border-radius: 999px;
}

.blog-article__cat:hover {
  color: var(--fg);
  background: rgb(28 25 48 / 0.08);
}

.blog-article__body {
  font-size: 1.02rem;
  line-height: 1.8;
}

.blog-article__body > :first-child {
  margin-top: 0;
}

.blog-article__body h2,
.blog-article__body h3,
.blog-article__body h4 {
  margin: 1.6em 0 0.55em;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.blog-article__body a {
  color: var(--accent-soft);
}

.blog-article__body code {
  padding: 0.12em 0.35em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  color: #4c1d95;
  background: rgb(109 94 247 / 0.08);
  border-radius: 0.3em;
}

.blog-article__body pre {
  overflow: auto;
  padding: 0.9rem 1rem;
  background: #1e1e2e;
  border-radius: 0.65rem;
}

.blog-article__body pre code {
  padding: 0;
  color: #e8e6f0;
  background: transparent;
}

.blog-article__body img {
  max-width: 100%;
  height: auto;
  border-radius: 0.65rem;
}

.blog-article__body table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--t-sm);
}

.blog-article__body th,
.blog-article__body td {
  padding: 0.5rem 0.65rem;
  border: 1px solid rgb(28 25 48 / 0.12);
}

.blog-article__body th {
  background: rgb(28 25 48 / 0.04);
}

.post-page__nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgb(28 25 48 / 0.08);
}

.post-page__nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 0;
  color: inherit;
  text-decoration: none;
}

.post-page__nav-link--next {
  text-align: right;
}

.post-page__nav-link.is-empty {
  visibility: hidden;
}

.post-page__nav-label {
  font-size: var(--t-xs);
  font-weight: 600;
  color: var(--fg-dim);
}

.post-page__nav-title {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.post-page__nav-home {
  align-self: center;
  padding: 0.45rem 0.9rem;
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--fg-muted);
  text-decoration: none;
  border: 1px solid rgb(28 25 48 / 0.1);
  border-radius: 999px;
}

.post-page__nav-home:hover {
  color: var(--fg);
}

.post-page__footer {
  padding: 1.5rem;
  text-align: center;
  font-size: var(--t-xs);
  color: var(--fg-dim);
}

@media (max-width: 700px) {
  .post-page__nav {
    grid-template-columns: 1fr;
  }

  .post-page__nav-link--next {
    text-align: left;
  }

  .post-page__nav-home {
    order: -1;
    justify-self: start;
  }
}