/*
 * Single-post prose styles.
 * Mirrors the @tailwindcss/typography defaults overridden in tailwind.config.ts:
 *   maxWidth: 'none', ul paddingLeft 1.625em, li margin 0.5em.
 */

.t4u-article {
  background: var(--t4u-card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--t4u-card-border);
  border-radius: var(--t4u-radius);
  box-shadow: var(--t4u-shadow-lg);
  overflow: hidden;
  margin-bottom: 2rem;
}

.t4u-article__hero {
  position: relative;
  aspect-ratio: 21 / 9;
  background: var(--t4u-muted);
  overflow: hidden;
}

.t4u-article__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.t4u-article__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgb(0 0 0 / 0.35) 100%);
  pointer-events: none;
}

.t4u-article__header {
  padding: 2rem 1.5rem 1rem;
}

@media (min-width: 768px) {
  .t4u-article__header {
    padding: 2.5rem 3rem 1.25rem;
  }
}

.t4u-article__title {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  margin: 0 0 0.75rem;
}

.t4u-article__meta {
  color: var(--t4u-muted-fg);
  font-size: 0.9375rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.t4u-article__meta a {
  color: var(--t4u-primary);
  font-weight: 600;
}

.t4u-article__meta a:hover {
  color: var(--t4u-accent);
}

.t4u-article__categories {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

/* ------- Prose body ------- */

.t4u-prose {
  padding: 1rem 1.5rem 2.5rem;
  color: var(--t4u-foreground);
  font-size: 1.0625rem;
  line-height: 1.75;
  max-width: none;
}

@media (min-width: 768px) {
  .t4u-prose {
    padding: 1.5rem 3rem 3rem;
  }
}

.t4u-prose > * + * {
  margin-top: 1.25em;
}

.t4u-prose h2 {
  font-size: 1.75rem;
  margin-top: 2em;
  margin-bottom: 0.6em;
}

.t4u-prose h3 {
  font-size: 1.375rem;
  margin-top: 1.6em;
  margin-bottom: 0.5em;
}

.t4u-prose h4 {
  font-size: 1.125rem;
  margin-top: 1.4em;
  margin-bottom: 0.4em;
}

.t4u-prose p {
  margin: 0 0 1em;
}

.t4u-prose ul,
.t4u-prose ol {
  padding-left: 1.625em;
  margin: 1em 0;
}

.t4u-prose li {
  margin-top: 0.5em;
  margin-bottom: 0.5em;
}

.t4u-prose a {
  color: var(--t4u-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.t4u-prose a:hover {
  color: var(--t4u-accent);
  text-decoration-thickness: 2px;
}

.t4u-prose img,
.t4u-prose figure {
  border-radius: var(--t4u-radius);
  margin: 1.5em 0;
}

.t4u-prose blockquote {
  border-left: 4px solid var(--t4u-primary);
  padding: 0.75rem 1.25rem;
  background: var(--t4u-muted);
  border-radius: var(--t4u-radius-sm);
  color: var(--t4u-muted-fg);
  font-style: italic;
  margin: 1.5em 0;
}

.t4u-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
}

.t4u-prose th,
.t4u-prose td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--t4u-border);
  text-align: left;
}

.t4u-prose th {
  font-weight: 700;
  color: var(--t4u-accent);
}

.t4u-prose hr {
  margin: 2.5em 0;
}

/* ------- Post navigation ------- */

.t4u-post-nav {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin: 2rem 0;
}

@media (min-width: 640px) {
  .t4u-post-nav {
    grid-template-columns: 1fr 1fr;
  }
}

.t4u-post-nav a {
  display: block;
  padding: 1rem 1.25rem;
  background: var(--t4u-card-bg);
  border: 1px solid var(--t4u-card-border);
  border-radius: var(--t4u-radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.3s ease, border-color 0.2s ease;
}

.t4u-post-nav a:hover {
  transform: translateY(-2px);
  border-color: var(--t4u-primary);
}

.t4u-post-nav__label {
  display: block;
  font-size: 0.8125rem;
  color: var(--t4u-muted-fg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.t4u-post-nav__title {
  display: block;
  font-weight: 600;
  color: var(--t4u-accent);
}

.t4u-post-nav .next {
  text-align: right;
}