/* WebSequenceDiagrams blog theme */
:root {
  --blog-bg: #f8fafc;
  --blog-surface: rgba(255, 255, 255, 0.92);
  --blog-border: #e2e8f0;
  --blog-border-strong: #cbd5e1;
  --blog-text: #0f172a;
  --blog-muted: #475569;
  --blog-subtle: #64748b;
  --blog-primary: #2563eb;
  --blog-primary-dark: #1d4ed8;
  --blog-footer: #020617;
  --blog-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
  --blog-radius: 24px;
  --blog-radius-sm: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--blog-bg);
  color: var(--blog-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.blog-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.blog-main {
  flex: 1;
}

.blog-navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid var(--blog-border);
}

.blog-container {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.blog-nav-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.blog-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.blog-brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #4f46e5);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.25);
}

.blog-brand-text {
  font-size: 1.15rem;
}

.blog-brand-text span {
  color: var(--blog-primary);
}

.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.blog-nav-link {
  color: var(--blog-muted);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.blog-nav-link:hover,
.blog-nav-link[aria-current='page'] {
  color: var(--blog-primary);
}

.blog-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--blog-primary);
  color: white;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.24);
  transition: background 0.2s ease, transform 0.2s ease;
}

.blog-nav-cta:hover {
  background: var(--blog-primary-dark);
  transform: translateY(-1px);
}

.blog-hero {
  padding: 56px 0 28px;
}

.blog-hero-card {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(79, 70, 229, 0.12), rgba(255, 255, 255, 0.95));
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: var(--blog-shadow);
  padding: 48px;
}

.blog-hero-card::before {
  content: '';
  position: absolute;
  inset: auto -100px -100px auto;
  width: 260px;
  height: 260px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18), rgba(99, 102, 241, 0));
}

.blog-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--blog-primary-dark);
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid rgba(37, 99, 235, 0.16);
}

.blog-hero-title {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.blog-hero-copy,
.blog-page-copy {
  color: var(--blog-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 760px;
}

.blog-list-grid,
.blog-related-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.blog-card {
  background: var(--blog-surface);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.06);
}

.blog-card-media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #dbeafe, #e0e7ff);
}

.blog-card-media img,
.blog-related-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card-body {
  padding: 24px;
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
  color: var(--blog-subtle);
  font-size: 0.92rem;
}

.blog-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.blog-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  color: #4338ca;
  background: #eef2ff;
}

.blog-card-title,
.blog-article-title,
.blog-related-title {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.blog-card-title a,
.blog-related-title a {
  text-decoration: none;
}

.blog-card-title {
  font-size: 1.45rem;
}

.blog-card-copy,
.blog-related-copy,
.blog-empty,
.blog-pagination-label {
  color: var(--blog-muted);
  line-height: 1.7;
}

.blog-section {
  padding: 0 0 72px;
}

.blog-empty {
  padding: 28px;
  border-radius: var(--blog-radius);
  border: 1px dashed var(--blog-border-strong);
  background: rgba(255, 255, 255, 0.8);
}

.blog-pagination {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--blog-radius-sm);
  border: 1px solid var(--blog-border);
  background: rgba(255, 255, 255, 0.86);
}

.blog-pagination-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  color: var(--blog-primary);
}

.blog-pagination-spacer {
  width: 92px;
}

.blog-page {
  padding: 56px 0 72px;
}

.blog-article {
  padding: 40px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--blog-border);
  border-radius: 32px;
  box-shadow: var(--blog-shadow);
}

.blog-article-subtitle {
  margin: 10px 0 0;
  color: var(--blog-muted);
  font-size: 1.2rem;
  line-height: 1.7;
}

.blog-article-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
}

.blog-article-content {
  margin-top: 28px;
  color: #1e293b;
  line-height: 1.85;
  font-size: 1.05rem;
}

.blog-article-content h2,
.blog-article-content h3,
.blog-article-content h4 {
  margin-top: 2.2em;
  margin-bottom: 0.8em;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.blog-article-content p,
.blog-article-content ul,
.blog-article-content ol,
.blog-article-content blockquote,
.blog-article-content pre {
  margin: 1.1em 0;
}

.blog-article-content img {
  width: 100%;
  border-radius: 20px;
  border: 1px solid var(--blog-border);
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.08);
}

.blog-article-content blockquote {
  padding: 18px 20px;
  border-left: 4px solid var(--blog-primary);
  border-radius: 0 16px 16px 0;
  background: #eff6ff;
}

.blog-article-content pre,
.blog-article-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.blog-article-content pre {
  padding: 18px;
  overflow-x: auto;
  border-radius: 20px;
  background: #0f172a;
  color: #e2e8f0;
}

.blog-divider {
  margin: 32px 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blog-border-strong), transparent);
}

.blog-related-section {
  margin-top: 40px;
}

.blog-related-heading {
  margin: 0 0 18px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.blog-related-card {
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid var(--blog-border);
  background: rgba(255, 255, 255, 0.94);
  text-decoration: none;
}

.blog-related-media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #dbeafe, #e0e7ff);
}

.blog-related-body {
  padding: 18px;
}

.blog-footer {
  margin-top: 80px;
  background: var(--blog-footer);
  color: #94a3b8;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
}

.blog-footer-inner {
  padding: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.blog-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #cbd5e1;
}

.blog-footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.blog-footer-links a {
  text-decoration: none;
  color: inherit;
}

.blog-footer-links a:hover {
  color: white;
}

@media (max-width: 900px) {
  .blog-nav-inner {
    padding: 12px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .blog-nav-links {
    width: 100%;
    gap: 16px;
  }

  .blog-hero-card,
  .blog-article {
    padding: 28px;
  }

  .blog-pagination {
    flex-direction: column;
  }

  .blog-pagination-spacer {
    display: none;
  }
}

@media (max-width: 640px) {
  .blog-container {
    width: min(100% - 24px, 1200px);
  }

  .blog-hero {
    padding-top: 32px;
  }

  .blog-card-body,
  .blog-related-body {
    padding: 18px;
  }
}