/* ===== ClawMail Blog — Long-form reading layer on top of style.css ===== */

.blog-body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Top nav ---------- */
.blog-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 11, 20, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.blog-nav-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.blog-nav-logo img {
  height: 28px;
  display: block;
}

.blog-nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.blog-nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.blog-nav-links a:hover,
.blog-nav-links a[aria-current="page"] {
  color: var(--text);
}

.blog-nav-links a.mono-link {
  font-family: var(--font-mono);
  font-size: 12px;
}

.blog-nav-cta {
  background: var(--accent);
  color: #051018 !important;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-weight: 600 !important;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.blog-nav-cta:hover {
  background: var(--accent-2);
  box-shadow: 0 0 24px var(--accent-glow);
}

/* ---------- Index page header ---------- */
.blog-index-header {
  max-width: 760px;
  margin: 64px auto 48px;
  padding: 0 24px;
}

.blog-index-header h1 {
  font-size: clamp(40px, 6vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text);
}

.blog-index-header p {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- Index list ---------- */
.blog-index-main {
  max-width: 880px;
  margin: 0 auto 96px;
  padding: 0 24px;
  flex: 1;
}

.blog-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.blog-index-item {
  border-top: 1px solid var(--border);
}

.blog-index-item:last-child {
  border-bottom: 1px solid var(--border);
}

.blog-index-link {
  display: block;
  padding: 32px 0;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease;
}

.blog-index-link:hover {
  transform: translateX(4px);
}

.blog-index-link:hover .blog-index-title {
  color: var(--accent-2);
}

.blog-index-link:hover .blog-index-cta {
  color: var(--accent-2);
}

.blog-index-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-index-title {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
  transition: color 0.15s ease;
}

.blog-index-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.blog-index-cta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  transition: color 0.15s ease;
}

/* ---------- Article page ---------- */
.blog-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 96px;
  flex: 1;
}

.blog-article-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.blog-article-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-article-title {
  font-size: clamp(32px, 4.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 16px;
}

.blog-article-lede {
  font-size: 19px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- Article body typography ---------- */
.blog-article-body {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
}

.blog-article-body > * + * {
  margin-top: 24px;
}

.blog-article-body h2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-top: 56px;
  color: var(--text);
}

.blog-article-body h3 {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.35;
  margin-top: 40px;
  color: var(--text);
}

.blog-article-body h4 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  margin-top: 32px;
  color: var(--text);
}

.blog-article-body p {
  color: var(--text);
}

.blog-article-body a {
  color: var(--accent-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 201, 240, 0.3);
  transition: border-color 0.15s ease;
}

.blog-article-body a:hover {
  border-bottom-color: var(--accent-2);
}

.blog-article-body strong {
  color: var(--text);
  font-weight: 600;
}

.blog-article-body em {
  color: var(--text);
  font-style: italic;
}

/* Inline code */
.blog-article-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--accent-2);
  padding: 1px 6px;
  border-radius: 4px;
  word-break: break-word;
}

/* Code blocks */
.blog-article-body pre {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px 24px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.6;
  margin: 32px 0;
}

.blog-article-body pre code {
  background: transparent;
  border: 0;
  color: var(--text);
  padding: 0;
  font-size: 14px;
  border-radius: 0;
}

/* Lists */
.blog-article-body ul,
.blog-article-body ol {
  padding-left: 28px;
  color: var(--text);
}

.blog-article-body li {
  margin-bottom: 8px;
}

.blog-article-body li > strong:first-child {
  color: var(--text);
}

/* Blockquote */
.blog-article-body blockquote {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  padding: 16px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-dim);
  font-style: italic;
}

.blog-article-body blockquote p {
  margin: 0;
  color: var(--text-dim);
}

/* Tables */
.blog-article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 15px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.blog-article-body thead {
  background: var(--surface-2);
}

.blog-article-body th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.blog-article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}

.blog-article-body tbody tr:last-child td {
  border-bottom: 0;
}

/* HR */
.blog-article-body hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 48px 0;
}

/* ---------- Article footer ---------- */
.blog-article-footer {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.blog-back {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s ease;
}

.blog-back:hover {
  color: var(--accent-2);
}

/* ---------- Site footer ---------- */
.blog-site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: auto;
}

.blog-footer-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.blog-footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 13px;
}

.blog-footer-brand img {
  height: 20px;
}

.blog-site-footer ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.blog-site-footer a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.15s ease;
}

.blog-site-footer a:hover {
  color: var(--accent-2);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .blog-nav-inner {
    padding: 12px 16px;
  }
  .blog-nav-links {
    gap: 16px;
  }
  .blog-nav-links li:not(:last-child) {
    display: none;
  }

  .blog-article {
    padding: 40px 16px 64px;
  }

  .blog-article-body {
    font-size: 16px;
  }

  .blog-article-body h2 {
    font-size: 24px;
    margin-top: 40px;
  }

  .blog-article-body h3 {
    font-size: 19px;
    margin-top: 32px;
  }

  .blog-article-body pre {
    padding: 16px;
    font-size: 13px;
  }

  .blog-article-body table {
    font-size: 14px;
  }

  .blog-article-body th,
  .blog-article-body td {
    padding: 8px 12px;
  }

  .blog-index-header {
    margin: 40px auto 32px;
  }

  .blog-index-main {
    margin-bottom: 64px;
  }
}