/* =============================================================
   AdBorder — Blog & Article Styles
   Migrated inline styles + original blog.css
   July 2026
   ============================================================= */

/* ===== Blog Index (blog.html) ===== */

/* Blog page layout */
.blog-page main { max-width: var(--content-max); margin: 0 auto; padding: 48px 24px; }
.blog-page header { backdrop-filter: blur(20px) saturate(1.4); -webkit-backdrop-filter: blur(20px) saturate(1.4); }

main h1.blog-title {
  font-family: var(--font-display); font-size: 2rem; font-weight: 800;
  margin-bottom: 8px; letter-spacing: -0.02em;
}
.subtitle { color: var(--text2); font-size: 1.05rem; margin-bottom: 40px; max-width: 600px; }

/* Featured section */
.featured-section { margin-bottom: 48px; }
.featured-label {
  font-family: var(--font-body); font-size: 0.82rem; font-weight: 600;
  color: var(--accent2); margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.featured-label::after { content: ''; flex: 1; height: 1px; background: var(--surface-border); }

.featured-hero {
  display: block; text-decoration: none; color: inherit;
  border: 1px solid var(--surface-border); border-radius: var(--radius);
  padding: 36px 32px; background: var(--surface);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative; overflow: hidden; margin-bottom: 16px;
}
.featured-hero::before {
  content: 'NEW'; position: absolute; top: 16px; right: 16px;
  font-family: var(--font-body); font-size: 0.65rem; font-weight: 800;
  letter-spacing: 0.08em; color: var(--accent2);
  background: rgba(217,119,6,0.1); border: 1px solid rgba(217,119,6,0.2);
  border-radius: 6px; padding: 3px 10px;
}
.featured-hero:hover {
  border-color: var(--accent2);
  box-shadow: 0 0 30px rgba(217,119,6,0.08), 0 12px 40px rgba(0,0,0,0.2);
}
.featured-hero h2 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; color: var(--text); margin-bottom: 10px; line-height: 1.3; }
.featured-hero p { color: var(--text2); font-size: 0.95rem; line-height: 1.65; max-width: 600px; }
.featured-hero .blog-card-meta { margin-bottom: 14px; }

.featured-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.featured-card {
  display: block; text-decoration: none; color: inherit;
  border: 1px solid var(--surface-border); border-radius: var(--radius);
  padding: 24px; background: var(--surface); transition: all 0.3s; position: relative;
}
.featured-card::before {
  content: 'NEW'; position: absolute; top: 14px; right: 14px;
  font-family: var(--font-body); font-size: 0.6rem; font-weight: 800;
  letter-spacing: 0.08em; color: var(--accent2);
  background: rgba(217,119,6,0.1); border: 1px solid rgba(217,119,6,0.2);
  border-radius: 5px; padding: 2px 8px;
}
.featured-card:hover { border-color: var(--surface-border-hover); box-shadow: 0 8px 30px rgba(0,0,0,0.25); }
.featured-card h2 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; line-height: 1.4; }
.featured-card p { color: var(--text2); font-size: 0.88rem; line-height: 1.6; }

/* Archive section */
.archive-label {
  font-family: var(--font-body); font-size: 0.82rem; font-weight: 600;
  color: var(--text3); margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.archive-label::after { content: ''; flex: 1; height: 1px; background: var(--surface-border); }

/* Blog cards */
.blog-grid { display: grid; gap: 20px; }
.blog-card {
  display: block; text-decoration: none; color: inherit;
  border: 1px solid var(--surface-border); border-radius: var(--radius);
  padding: 28px; background: var(--surface);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s, background 0.3s;
}
.blog-card:hover {
  border-color: var(--surface-border-hover);
  box-shadow: 0 0 20px rgba(13,148,136,0.1), 0 0 40px rgba(217,119,6,0.05);
  background: var(--surface-hover);
}
.blog-card-meta {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 10px; font-size: 0.82rem; color: var(--text3);
}
.blog-card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text3); }
.blog-card h2 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; color: var(--text); margin-bottom: 10px; line-height: 1.4; }
.blog-card:hover h2 { color: var(--text); }
.blog-card p { color: var(--text2); font-size: 0.92rem; line-height: 1.65; margin-bottom: 0; }

/* Ad container for blog index */
.ad-container { max-width: var(--content-max); margin: 40px auto 0; padding: 0 24px; }

/* ===== Article Pages ===== */
.updated { color: var(--text3); font-size: 0.9rem; margin-bottom: 32px; font-family: var(--font-body); }

/* Article content typography — serif for reading */
main p, main ol, main ul, main li, .faq-item p, blockquote {
  font-family: var(--font-serif); font-size: 1.02rem; line-height: 1.8;
}
main h1, main h2, main h3 { font-family: var(--font-display); }
main h2 { margin-top: 36px; }
main h3 {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  margin-top: 24px; margin-bottom: 10px; color: var(--text);
}

main ol, main ul { color: var(--text2); margin-bottom: 12px; padding-left: 24px; }
main ol li, main ul li { margin-bottom: 8px; font-family: var(--font-serif); }

main a { color: var(--accent-light); }
main a:hover { color: var(--text); text-decoration: underline; }

/* ===== Shared Article Components ===== */

/* Generic tables */
main table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
main th, main td {
  text-align: left; padding: 10px 14px;
  border-bottom: 1px solid var(--surface-border); font-size: 0.92rem;
}
main th { font-family: var(--font-display); font-weight: 600; color: var(--text); }
main td { color: var(--text2); }
main td strong { color: var(--text); }

/* Comparison table (6 articles) */
.comparison-table { width: 100%; border-collapse: collapse; margin: 20px 0 28px; font-size: 0.92rem; }
.comparison-table th {
  background: var(--surface); border: 1px solid var(--surface-border);
  padding: 12px 16px; text-align: left;
  font-family: var(--font-display); font-weight: 600; color: var(--text); font-size: 0.85rem;
}
.comparison-table td { border: 1px solid var(--surface-border); padding: 10px 16px; color: var(--text2); }
.comparison-table tr:hover td { background: var(--surface-hover); }

/* Related articles section (6 articles) */
.related-articles { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--surface-border); }
.related-articles h3 {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 600;
  color: var(--text); margin-bottom: 12px; margin-top: 0;
}
.related-list { list-style: none; padding: 0; }
.related-list li { margin-bottom: 10px; }
.related-list a { color: var(--accent-light); font-weight: 500; }
.related-list a:hover { text-decoration: underline; }

/* Related Articles grid (bottom of blog articles) */
.blog-page .related-articles { margin-top: 40px; }
.blog-page .related-articles h2 {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 700;
  color: var(--text); margin-bottom: 16px;
}
.blog-page .related-articles .related-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px;
}
.blog-page .related-articles .related-grid a {
  display: block; padding: 16px;
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius); text-decoration: none;
  transition: border-color 0.2s;
}
.blog-page .related-articles .related-grid a:hover { border-color: var(--surface-border-hover); }
.blog-page .related-articles .related-title {
  color: var(--text); font-size: 0.9rem; font-weight: 600; margin-bottom: 4px;
}
.blog-page .related-articles .related-desc {
  color: var(--text2); font-size: 0.8rem; margin: 0;
}

/* Tool review cards (best-border-tools article) */
.tool-card {
  margin: 24px 0; padding: 20px;
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius);
}
.tool-card h3 { margin-top: 0; }
.tool-summary { font-style: italic; color: var(--text2); margin-bottom: 10px; }
.tool-best-for { font-size: 0.88rem; color: var(--accent-light); margin-bottom: 10px; display: block; }

/* Pros/cons grid (best-border-tools article) */
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; }
.pros-cons h4 {
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 600;
  color: var(--text); margin-bottom: 6px;
}
.pros-cons ul { margin: 0; padding-left: 18px; font-size: 0.95rem; }
.pros-cons li { margin-bottom: 4px; }

/* Size reference table (social-media-sizes article) */
.size-table-wrap {
  overflow-x: auto; margin: 24px 0 32px;
  border-radius: var(--radius); border: 1px solid var(--surface-border);
}
.size-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; min-width: 640px; }
.size-table thead { background: rgba(94,234,212,0.12); }
.size-table th {
  font-family: var(--font-display); font-weight: 600; color: var(--text);
  text-align: left; padding: 12px 16px; white-space: nowrap;
  border-bottom: 1px solid var(--surface-border);
}
.size-table td {
  padding: 10px 16px; border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--text2); vertical-align: top;
}
.size-table tbody tr:hover { background: var(--surface-hover); }
.size-table .platform-row td {
  background: rgba(94,234,212,0.06); font-family: var(--font-display);
  font-weight: 600; color: var(--accent-light); padding-top: 14px;
}
.size-table code {
  background: var(--surface); padding: 2px 6px; border-radius: 4px;
  font-size: 0.82rem; color: var(--accent2-hover);
}

/* Tip callout box */
.tip-box {
  background: rgba(251,191,36,0.06); border-left: 3px solid var(--accent2-hover);
  padding: 14px 18px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 16px 0 20px;
}
.tip-box p { color: var(--text2); margin-bottom: 0; }
.tip-box strong { color: var(--accent2-hover); }

/* Mistake card */
.mistake-card {
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: 10px; padding: 16px 20px; margin-bottom: 14px;
}
.mistake-card h3 { margin-top: 0; font-size: 0.95rem; }
.mistake-card p { margin-bottom: 0; }

/* Technique number badge */
.technique-number {
  display: inline-block; width: 28px; height: 28px; line-height: 28px;
  text-align: center; background: var(--accent); color: white;
  font-weight: 700; font-size: 0.82rem; border-radius: 50%;
  margin-right: 8px; vertical-align: middle;
}

/* Article ad slot inner */
.ad-slot-inner {
  width: 100%; min-height: 90px;
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: 10px; display: flex; align-items: center;
  justify-content: center; color: var(--text3); font-size: 0.75rem;
}

/* FAQ item in articles */
.faq-item { margin-bottom: 24px; }
.faq-item h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.faq-item p { margin-bottom: 0; }

/* Author card */
.author-card {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 32px; padding: 16px;
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius); font-family: var(--font-body);
}
.author-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700; color: white; flex-shrink: 0;
}
.author-info { flex: 1; }
.author-name { font-weight: 700; color: var(--text); font-size: 0.95rem; }
.author-bio { color: var(--text2); font-size: 0.82rem; margin: 2px 0 0 0; }

/* Author hero — about page */
.author-hero {
  display: flex; align-items: center; gap: 20px; margin-bottom: 40px;
  padding: 24px; background: var(--surface);
  border: 1px solid var(--surface-border); border-radius: var(--radius);
}
.author-avatar-lg {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--accent); display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; font-weight: 700; color: white; flex-shrink: 0;
}
.author-hero-info h2 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 4px; margin-top: 0; }
.author-hero-info p { color: var(--text2); font-size: 0.9rem; margin-bottom: 4px; font-family: var(--font-body); }
.author-hero-info .author-tagline { color: var(--text3); font-size: 0.82rem; font-style: italic; }

/* CTA box */
.cta-box {
  margin-top: 40px; padding: 32px;
  background: var(--surface); border: 1px solid var(--surface-border);
  border-radius: var(--radius); text-align: center;
}
.cta-box p { color: var(--text); font-size: 1.1rem; margin-bottom: 16px; font-weight: 500; font-family: var(--font-body); }
.cta-box h3 { color: var(--text); font-size: 1.3rem; margin-bottom: 12px; margin-top: 0; }
.cta-btn {
  display: inline-block; background: var(--gradient-brand); color: white;
  padding: 12px 32px; border-radius: 10px;
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  font-family: var(--font-body); transition: transform 0.2s, box-shadow 0.2s;
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(13,148,136,0.3); text-decoration: none; }

/* CTA button — alternate class used in some articles */
.cta-button {
  display: inline-block; background: var(--gradient-brand); color: white;
  padding: 12px 32px; border-radius: 10px; font-weight: 700;
  font-size: 0.95rem; text-decoration: none;
  box-shadow: 0 4px 20px rgba(13,148,136,0.3);
  transition: transform 0.2s, box-shadow 0.2s;
}
.cta-button:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(13,148,136,0.45); text-decoration: none; }

/* Hero image */
.article-hero-img {
  width: 100%; border-radius: var(--radius); margin-bottom: 32px;
  aspect-ratio: 16/9; object-fit: cover;
}

/* ===== Utility Classes (migrated from inline styles) ===== */
.ext-ref { color: var(--accent-light); }
.content-img {
  width: 100%; max-width: var(--content-max);
  border-radius: 12px; margin: 20px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.content-img-simple {
  width: 100%; border-radius: 12px; margin: 24px 0;
}

/* ===== Responsive — Blog ===== */
@media (max-width: 600px) {
  h1.blog-title { font-size: 1.6rem; }
  .blog-card { padding: 20px; }
  .blog-card h2 { font-size: 1.05rem; }
  .featured-pair { grid-template-columns: 1fr; }
  .featured-hero h2 { font-size: 1.2rem; }
  .featured-hero { padding: 24px 20px; }
  .author-hero { flex-direction: column; text-align: center; }
  .pros-cons { grid-template-columns: 1fr; }
}