/* blog.css — generated from main style.css | primary: #1B9AAA */
:root {
  --blog-primary: #1B9AAA;
  --blog-text: #1a1a1a;
  --blog-bg: #ffffff;
  --blog-muted: #6b7280;
  --blog-border: #e5e7eb;
  --blog-radius: 8px;
  --blog-body-font: var(--body-ff);
  --blog-heading-font: var(--body-ff);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--blog-body-font);
  color: var(--blog-text);
  background: var(--blog-bg);
  line-height: 1.7;
  font-size: 17px;
}

main {
  padding: 40px 20px;
}

.blog-article {
  max-width: 760px;
  margin: 0 auto;
}

.blog-article h1,
.blog-article h2,
.blog-article h3,
.blog-article h4 {
  font-family: var(--blog-heading-font);
  color: var(--blog-text);
  line-height: 1.3;
  margin: 1.8em 0 0.6em;
}

.blog-article h2 { font-size: 28px; border-bottom: 2px solid var(--blog-border); padding-bottom: 8px; }
.blog-article h3 { font-size: 22px; }
.blog-article h4 { font-size: 18px; }

.blog-article p {
  margin: 0 0 1.2em;
}

.blog-article a {
  color: var(--blog-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-article a:hover {
  opacity: 0.8;
}

.blog-article ul,
.blog-article ol {
  margin: 0 0 1.2em;
  padding-left: 1.6em;
}

.blog-article li {
  margin-bottom: 0.5em;
}

.blog-article blockquote {
  margin: 1.5em 0;
  padding: 16px 20px;
  border-left: 4px solid var(--blog-primary);
  background: rgba(0,0,0,0.03);
  font-style: italic;
  border-radius: 0 var(--blog-radius) var(--blog-radius) 0;
}

.blog-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 15px;
}

.blog-article th,
.blog-article td {
  padding: 12px 14px;
  border: 1px solid var(--blog-border);
  text-align: left;
}

.blog-article th {
  background: var(--blog-primary);
  color: #fff;
  font-weight: 600;
}

.blog-article tr:nth-child(even) td {
  background: rgba(0,0,0,0.02);
}

.blog-article .tooltip,
.blog-article .infobox {
  display: block;
  padding: 14px 18px;
  margin: 1.2em 0;
  background: rgba(0,0,0,0.04);
  border-left: 4px solid var(--blog-primary);
  border-radius: var(--blog-radius);
  font-size: 15px;
}

.blog-article .highlight {
  background: rgba(255, 220, 100, 0.35);
  padding: 2px 6px;
  border-radius: 4px;
}

.blog-article .color-block {
  padding: 18px 20px;
  margin: 1.2em 0;
  background: var(--blog-primary);
  color: #fff;
  border-radius: var(--blog-radius);
}

.blog-article section {
  margin-bottom: 2em;
}

.blog-article img {
  max-width: 100%;
  height: auto;
  border-radius: var(--blog-radius);
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  main { padding: 24px 16px; }
  .blog-article h2 { font-size: 24px; }
  .blog-article h3 { font-size: 19px; }
  .blog-article table { font-size: 14px; }
  .blog-article th, .blog-article td { padding: 8px 10px; }
}

/* === Header === */
.blog-header {
  background: var(--blog-bg);
  border-bottom: 1px solid var(--blog-border);
  padding: 16px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.blog-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.blog-header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--blog-text);
  font-weight: 700;
  font-family: var(--blog-heading-font);
  font-size: 18px;
}
.blog-header-logo svg {
  height: 32px;
  width: auto;
}
.blog-header-name {
  letter-spacing: 0.2px;
}
.blog-header-nav {
  display: flex;
  gap: 20px;
}
.blog-header-nav a {
  color: var(--blog-text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background 0.15s;
}
.blog-header-nav a:hover {
  background: rgba(0,0,0,0.05);
  color: var(--blog-primary);
}

/* === Back link === */
.blog-back-link {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--blog-muted);
  text-decoration: none;
  font-size: 14px;
}
.blog-back-link:hover {
  color: var(--blog-primary);
}

/* === Footer === */
.blog-footer {
  margin-top: 80px;
  padding: 40px 20px;
  background: rgba(0,0,0,0.04);
  border-top: 1px solid var(--blog-border);
}
.blog-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  text-align: center;
}
.blog-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.blog-footer-brand strong {
  font-size: 18px;
  font-family: var(--blog-heading-font);
}
.blog-footer-tagline {
  color: var(--blog-muted);
  font-size: 14px;
}
.blog-footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.blog-footer-nav a {
  color: var(--blog-text);
  text-decoration: none;
  font-size: 14px;
}
.blog-footer-nav a:hover {
  color: var(--blog-primary);
  text-decoration: underline;
}
.blog-footer-copy {
  color: var(--blog-muted);
  font-size: 13px;
  padding-top: 12px;
  border-top: 1px solid var(--blog-border);
  width: 100%;
  max-width: 600px;
}

@media (max-width: 640px) {
  .blog-header-inner { flex-direction: column; gap: 10px; }
  .blog-header-nav { gap: 12px; }
  .blog-footer-inner { gap: 16px; }
}