/* PharmaLeap Blog */
:root {
  --pl-primary: #5b59c4;
  --pl-primary-dark: #4a478f;
  --pl-text: #2d2d2d;
  --pl-text-light: #666666;
  --pl-bg: #ffffff;
  --pl-gray-100: #f8f9fa;
  --pl-gray-200: #e9ecef;
  --pl-gray-300: #dee2e6;
  --pl-gray-600: #6c757d;
  --pl-gray-800: #343a40;
  --pl-font-mono: "SF Mono", Consolas, Monaco, "Andale Mono", monospace;
  --pl-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  --pl-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Article Layout */
.pl-article {
  max-width: 72ch;
  margin: 2rem auto;
  font-family: var(--pl-font-sans);
  line-height: 1.8;
  color: var(--pl-text);
  background: var(--pl-bg);
  position: relative;
  border-radius: 12px;
  box-shadow: var(--pl-shadow);
}

/* Selection Styling */
.pl-article ::selection {
  background: rgba(91, 89, 196, 0.15);
  color: var(--pl-text);
}

/* Links */
.pl-article a {
  color: var(--pl-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

.pl-article a:hover,
.pl-article a:focus {
  border-bottom-color: var(--pl-primary);
}

/* Key Insight Box */
.pl-article-insight {
  background: linear-gradient(135deg, rgba(91, 89, 196, 0.1) 0%, rgba(91, 89, 196, 0.05) 100%);
  border-left: 4px solid var(--pl-primary);
  padding: 1.5rem;
  margin: 2rem 0;
  border-radius: 0 8px 8px 0;
  font-size: 1.1rem;
  line-height: 1.6;
}

.pl-article-insight strong {
  color: var(--pl-primary);
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

/* Desktop Layout */
@media (min-width: 1200px) {
  .pl-article {
    width: 80%;
    max-width: 1400px;
    padding: 3rem 3rem 0;
    margin: 2rem auto;
  }
  
  .pl-article-content {
    max-width: 100%;
  }

  .pl-article p,
  .pl-article ul,
  .pl-article ol {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  
  .pl-article-toc-content {
    flex: 1;
    overflow-y: auto;
    padding-right: 1rem;
    margin-right: -1rem; /* Compensate for padding */
    margin-bottom: 2rem;
  }
  
  .pl-article-toc-cta {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--pl-gray-200);
  }
}

/* Typography */
/* Headers */
.pl-article h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 2rem;
  color: var(--pl-text);
  position: relative;
}

.pl-article h1:after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--pl-primary);
  margin-top: 1rem;
  border-radius: 2px;
}

.pl-article h2 {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 3rem 0 1.5rem;
  color: var(--pl-text);
  position: relative;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(91, 89, 196, 0.1);
}

.pl-article h3 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 2.5rem 0 1.25rem;
  color: var(--pl-text);
  position: relative;
}

.pl-article p {
  margin: 1.5rem 0;
}

/* Code & Pre */
.pl-article pre {
  background: var(--pl-gray-100);
  padding: 1.5rem;
  border-radius: 4px;
  overflow-x: auto;
  font-family: var(--pl-font-mono);
  font-size: 0.9em;
}

.pl-article code {
  font-family: var(--pl-font-mono);
  background: var(--pl-gray-100);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
}

/* Lists */
.pl-article ul,
.pl-article ol {
  padding-left: 2rem;
  margin: 1.5rem 0;
}

.pl-article li {
  margin: 0.75rem 0;
  position: relative;
}

.pl-article ul {
  list-style: none;
}

.pl-article ul li::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 0.6rem;
  width: 6px;
  height: 6px;
  background: var(--pl-primary);
  border-radius: 50%;
}

.pl-article ol {
  counter-reset: item;
  list-style: none;
}

.pl-article ol li {
  counter-increment: item;
}

.pl-article ol li::before {
  content: counter(item) ".";
  color: var(--pl-primary);
  font-weight: 600;
  position: absolute;
  left: -2rem;
}

/* Blockquotes */
.pl-article blockquote {
  margin: 2rem 0;
  padding-left: 1.5rem;
  border-left: 4px solid var(--pl-gray-300);
  color: var(--pl-gray-600);
}

/* Tables */
.pl-article table {
  width: 100%;
  margin: 2rem 0;
  border-collapse: collapse;
}

.pl-article th,
.pl-article td {
  padding: 0.75rem;
  border: 1px solid var(--pl-gray-300);
  text-align: left;
}

.pl-article th {
  background: var(--pl-gray-100);
}

/* Table of Contents */
.pl-article-toc {
  background: var(--pl-gray-100);
  padding: 1.5rem;
  border-radius: 8px;
  margin-bottom: 2rem;
  border: 1px solid var(--pl-gray-200);
}

/* TOC Contact Form Button */
.pl-article-toc-cta {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--pl-gray-200);
  text-align: center;
}

.pl-article-toc-cta h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--pl-text);
}

.pl-article-toc-cta p {
  font-size: 0.9rem;
  color: var(--pl-text-light);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.pl-article-toc-cta .pl-btn {
  width: 100%;
  text-align: center;
  background: var(--pl-primary);
  color: white;
  border-color: var(--pl-primary);
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  margin: 0;
}

.pl-article-toc-cta .pl-btn:hover,
.pl-article-toc-cta .pl-btn:focus {
  background: var(--pl-primary-dark);
  border-color: var(--pl-primary-dark);
  color: white;
  transform: translateY(-2px);
}

.pl-article-toc h2 {
  font-size: 1.25rem;
  margin: 0 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--pl-primary);
  color: var(--pl-gray-800);
}

.pl-article-toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pl-article-toc li {
  margin: 0.75rem 0;
  line-height: 1.4;
}

.pl-article-toc a {
  color: var(--pl-text-light);
  text-decoration: none;
  display: block;
  padding: 0.4rem 0;
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
  padding-left: 1rem;
  margin-left: -1rem;
  font-size: 0.95rem;
}

.pl-article-toc a:hover,
.pl-article-toc a:focus {
  color: var(--pl-primary);
  border-left-color: var(--pl-primary);
  background: rgba(91, 89, 196, 0.05);
}

/* Indent H3 items */
.pl-article-toc li li {
  margin-left: 1.25rem;
  font-size: 0.9rem;
}

/* Active TOC item */
.pl-article-toc a.active {
  color: var(--pl-primary);
  border-left-color: var(--pl-primary);
  font-weight: 500;
}

/* CTA Cards */
.pl-article-cta {
  margin: 4rem -3rem -3rem;
  padding: 3rem;
  background: var(--pl-gray-100);
  text-align: center;
  border-radius: 0 0 12px 12px;
  border-top: 1px solid var(--pl-gray-200);
}

.pl-article-cta h2 {
  margin-top: 0;
  color: var(--pl-text);
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.pl-article-cta p {
  font-size: 1.1rem;
  color: var(--pl-text-light);
  width: 100%;
  margin: 1rem auto;
}

.pl-article-cta .pl-btn {
  margin-top: 1.5rem;
  background: var(--pl-primary);
  color: white;
  border-color: var(--pl-primary);
}

.pl-article-cta .pl-btn:hover,
.pl-article-cta .pl-btn:focus {
  background: var(--pl-primary-dark);
  border-color: var(--pl-primary-dark);
  color: white;
  transform: translateY(-2px);
}

.pl-btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: white;
  color: var(--pl-primary);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  margin-top: 1.5rem;
  transition: all 0.3s ease;
  border: 2px solid white;
}

.pl-btn:hover,
.pl-btn:focus {
  background: transparent;
  color: white;
  transform: translateY(-2px);
}

/* Accessibility */
.pl-article a:focus,
.pl-btn:focus {
  outline: 3px solid rgba(0, 102, 204, 0.3);
  outline-offset: 2px;
}

/* Article Meta */
.pl-article-meta {
  color: var(--pl-text-light);
  margin: 1rem 0 3rem;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.pl-article-meta time {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.pl-article-meta time::before {
  content: "📅";
  font-size: 1.1em;
}

.pl-article-author {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.pl-article-author::before {
  content: "✍️";
  font-size: 1.1em;
}

/* Previous/Next Navigation */
.pl-article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 2rem 3rem;
  border-top: 1px solid var(--pl-gray-200);
  background: var(--pl-gray-100);
  border-radius: 0 0 12px 12px;
  margin: 0;
}

.pl-article-nav a {
  color: var(--pl-text);
  text-decoration: none;
}

.pl-article-nav a:hover {
  color: var(--pl-primary);
}

.pl-article-nav-prev {
  text-align: left;
}

.pl-article-nav-next {
  text-align: right;
}