@import './design-tokens.css';

/* ── Blog Article Layout ── */
body {
  background: #0a0b10;
  color: #f0f2f5;
  font-family: "Geist", "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-6);
}

.article-body h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: var(--tracking-heading);
  margin: var(--space-8) 0 var(--space-4);
  color: var(--text-primary);
  line-height: 1.3;
}
.article-body h3 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: var(--tracking-heading);
  margin: var(--space-6) 0 var(--space-3);
  color: var(--text-primary);
}
.article-body p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  font-size: 1rem;
}
.article-body ul, .article-body ol {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}
.article-body li { margin-bottom: var(--space-2); }
.article-body strong { color: var(--text-primary); font-weight: 600; }
.article-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition-fast);
}
.article-body a:hover { opacity: 0.8; }

/* ── Article Meta ── */
.article-meta {
  display: flex;
  gap: var(--space-4);
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.article-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ── Code Blocks ── */
.article-body pre {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  overflow-x: auto;
  margin: var(--space-6) 0;
  position: relative;
}
.article-body code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--green);
  line-height: 1.5;
}
.article-body :not(pre) > code {
  background: rgba(0, 255, 136, 0.08);
  color: var(--green);
  padding: 0.1rem 0.3rem;
  border-radius: var(--radius-sm);
  font-size: 0.85em;
}
.copy-btn {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { color: var(--cyan); border-color: var(--border-hover); }

/* ── Details / FAQ ── */
.article-body details {
  background: var(--bg-surface);
  border: 1px solid var(--border-solid);
  border-radius: var(--radius-lg);
  margin: var(--space-4) 0;
  padding: var(--space-4);
  transition: border-color var(--transition-fast);
}
.article-body details[open] {
  border-color: var(--border-hover);
}
.article-body details summary {
  cursor: pointer;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}
.article-body details summary::-webkit-details-marker { display: none; }
.article-body details summary::before {
  content: '\25B8';
  color: var(--cyan);
  transition: transform var(--transition-fast);
  font-size: 0.9rem;
}
.article-body details[open] summary::before {
  transform: rotate(90deg);
}
.article-body details p {
  margin-top: var(--space-3);
  padding-left: 1.5rem;
}

/* ── TL;DR / Summary Box ── */
.article-body .tldr {
  background: rgba(0, 242, 255, 0.04);
  border: 1px solid rgba(0, 242, 255, 0.15);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin: var(--space-6) 0;
}
.article-body .tldr strong {
  color: var(--cyan);
  display: block;
  margin-bottom: var(--space-2);
}
.article-body .tldr ul { margin-bottom: 0; }

/* ── Related Posts ── */
.related-posts {
  max-width: 720px;
  margin: var(--space-12) auto;
  padding: var(--space-6);
  border-top: 1px solid var(--border);
}
.related-posts h3 {
  text-align: center;
  margin-bottom: var(--space-6);
  font-size: 1.25rem;
  color: var(--text-primary);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
@media (max-width: 640px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* ── Font Size Toggle ── */
.font-size-controls {
  display: flex;
  gap: var(--space-1);
  align-items: center;
}
.font-size-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  line-height: 1;
}
.font-size-btn:hover { border-color: var(--border-hover); color: var(--text-primary); }
.font-size-btn.active { border-color: var(--cyan); color: var(--cyan); }

/* ── Image Styles ── */
.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin: var(--space-6) auto;
  display: block;
}
.article-body img + em {
  display: block;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: -0.5rem;
  margin-bottom: var(--space-4);
}

/* ── Blockquotes ── */
.article-body blockquote {
  border-left: 3px solid var(--cyan);
  padding: var(--space-3) var(--space-4);
  margin: var(--space-6) 0;
  background: rgba(0, 242, 255, 0.03);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-style: italic;
}

/* ── Tables ── */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-6) 0;
  font-size: 0.9rem;
}
.article-body th {
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-weight: 600;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border);
}
.article-body td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.article-body tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* ── Newsletter Signup (inline) ── */
.newsletter-inline {
  background: var(--bg-elevated);
  border: 1px solid var(--border-solid);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  margin: var(--space-8) 0;
}
.newsletter-inline h3 {
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.newsletter-inline p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--space-4);
}
.newsletter-form {
  display: flex;
  gap: var(--space-2);
  max-width: 400px;
  margin: 0 auto;
}
.newsletter-form input {
  flex: 1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.875rem;
}
.newsletter-form input:focus {
  outline: none;
  border-color: var(--cyan);
}

/* ── Article Layout with Sidebar ── */
.article-layout {
  display: flex;
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-6);
}
@media (max-width: 1024px) {
  .article-layout { flex-direction: column; }
  .toc-sidebar { display: none; }
}
.toc { position: static !important; max-height: none !important; overflow-y: visible !important; margin: 1rem 0 1.5rem !important; }

/* ── Article Hero ── */
.article-hero {
  background: radial-gradient(ellipse at center, rgba(0, 242, 255, 0.06), transparent 70%);
  padding: var(--space-12) var(--space-6) var(--space-8);
  text-align: center;
}
.article-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: var(--tracking-display);
  line-height: 1.1;
  max-width: 800px;
  margin: 0 auto var(--space-4);
}
.article-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}


/* ── Social Share Bar ──────────────────────────────────── */
.share-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}
.share-bar .share-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-right: 0.25rem;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s var(--ease-precise);
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font);
}
.share-btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}
.share-btn:active {
  transform: translateY(0);
}
.share-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.share-btn.reddit {
  background: rgba(255, 69, 0, 0.08);
  color: #ff4500;
  border-color: rgba(255, 69, 0, 0.15);
}
.share-btn.reddit:hover {
  background: rgba(255, 69, 0, 0.15);
  border-color: rgba(255, 69, 0, 0.3);
  box-shadow: 0 4px 12px rgba(255, 69, 0, 0.2);
}

.share-btn.x-twitter {
  background: rgba(29, 155, 240, 0.08);
  color: #1d9bf0;
  border-color: rgba(29, 155, 240, 0.15);
}
.share-btn.x-twitter:hover {
  background: rgba(29, 155, 240, 0.15);
  border-color: rgba(29, 155, 240, 0.3);
  box-shadow: 0 4px 12px rgba(29, 155, 240, 0.2);
}

.share-btn.linkedin {
  background: rgba(10, 102, 194, 0.08);
  color: #0a66c2;
  border-color: rgba(10, 102, 194, 0.15);
}
.share-btn.linkedin:hover {
  background: rgba(10, 102, 194, 0.15);
  border-color: rgba(10, 102, 194, 0.3);
  box-shadow: 0 4px 12px rgba(10, 102, 194, 0.2);
}

.share-btn.facebook {
  background: rgba(24, 119, 242, 0.08);
  color: #1877f2;
  border-color: rgba(24, 119, 242, 0.15);
}
.share-btn.facebook:hover {
  background: rgba(24, 119, 242, 0.15);
  border-color: rgba(24, 119, 242, 0.3);
  box-shadow: 0 4px 12px rgba(24, 119, 242, 0.2);
}

.share-btn.whatsapp {
  background: rgba(37, 211, 102, 0.08);
  color: #25d366;
  border-color: rgba(37, 211, 102, 0.15);
}
.share-btn.whatsapp:hover {
  background: rgba(37, 211, 102, 0.15);
  border-color: rgba(37, 211, 102, 0.3);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
}

.share-btn.telegram {
  background: rgba(0, 136, 204, 0.08);
  color: #0088cc;
  border-color: rgba(0, 136, 204, 0.15);
}
.share-btn.telegram:hover {
  background: rgba(0, 136, 204, 0.15);
  border-color: rgba(0, 136, 204, 0.3);
  box-shadow: 0 4px 12px rgba(0, 136, 204, 0.2);
}

.share-btn.copy-link {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border-color: var(--border);
}
.share-btn.copy-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  border-color: var(--border-hover);
}
.share-btn.copy-link.copied {
  background: rgba(0, 255, 136, 0.1);
  color: var(--green);
  border-color: rgba(0, 255, 136, 0.25);
}

.share-bar-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* ── Glossary Links ─────────────────────────────────────── */
.glossary-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dotted rgba(0, 242, 255, 0.35);
  transition: all 0.2s var(--ease-precise);
  cursor: help;
}
.glossary-link:hover {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ── Template Box (code templates) ──────────────────────── */
.template-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1rem 0;
  white-space: pre-wrap;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  transition: all 0.3s var(--ease-precise);
}
.template-box:hover {
  border-color: var(--border-hover);
}

/* ── Infographic Container ──────────────────────────────── */
.infographic-container {
  text-align: center;
  margin: 2rem 0;
}

/* ── Optional Badge ─────────────────────────────────────── */
.optional-badge {
  display: inline-block;
  background: rgba(0, 242, 255, 0.08);
  color: var(--cyan);
  border: 1px solid rgba(0, 242, 255, 0.15);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: lowercase;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* ── AdSense Ad Unit ──────────────────────────────────── */
.adsense-blog-top {
  margin: 2rem 0;
  text-align: center;
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
  background: rgba(10, 11, 16, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.footer a {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 500;
}
.footer a:hover {
  text-decoration: underline;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.3rem; margin-top: 2rem; }
  h3 { font-size: 1.05rem; }
  article { padding: 1.5rem 1rem; }
  .header { padding: 0.75rem 1rem; }
  .author-box { flex-direction: column; text-align: center; padding: 1.25rem; }
  .toc { position: static; max-height: none; }
  .step-guide .step { padding-left: 3.5rem; }
  .step-guide .step::before { left: 0.75rem; width: 2rem; height: 2rem; font-size: 0.85rem; }
  .related-posts-grid { grid-template-columns: 1fr; }
  .related-posts { padding: 0 1rem; }
  .share-btn span:not(.share-label) { display: none; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.4rem; }
  article { padding: 1rem 0.75rem; }
  .cta-box { padding: 1.5rem; }
  .tldr, .key-takeaways, .trending-now { padding: 1rem 1.25rem; }
  .share-bar { gap: 0.35rem; }
  .share-btn { padding: 0.35rem 0.65rem; font-size: 0.72rem; }
}

/* ── Reduced Motion ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Print Styles ───────────────────────────────────────── */
@media print {
  .header, .footer, .share-bar, .cta-box, .reading-progress,
  .related-posts, .social-proof, .trending-now { display: none; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
  article { max-width: 100%; padding: 0; }
}

/* ── Compact pre-content spacing ── */
.article-body > .share-bar { margin: 0.5rem 0 0.25rem; }
.article-body > .breadcrumb { margin: 0.25rem 0; }
.article-body > .author-box { margin: 0.5rem 0; padding: 0.75rem; }
.article-body > .author-box p { font-size: 0.85rem; }
.article-body > img:first-of-type { max-height: 300px; object-fit: cover; margin: 0.5rem auto; }
.article-body > .tldr { margin: 0.75rem 0; padding: 0.75rem; }
.article-body > .adsense-blog-top { margin: 0.5rem 0; }
.article-body > .toc { margin: 0.75rem 0 1rem; padding: 1rem 1.25rem; }