/* Resources Page Styles - Blog-Inspired Design */

.resources-page {
  padding: 2rem 0;
  min-height: 70vh;
}

/* Resource Single Page - Blog-Inspired Layout */
.resource-single {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Resource Container with TOC */
.resource-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 0 1rem;
}

/* Table of Contents */
.resource-toc {
  position: sticky;
  top: 2rem;
  height: fit-content;
  padding: 0.5rem 0;
}

.toc-nav h2 {
  font-size: 0.9rem;
  margin: 0 0 1rem 0;
  color: var(--color-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.toc-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
  float: right;
  margin-top: -2rem;
}

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

.toc-content li {
  margin: 0.5rem 0;
  position: relative;
}

.toc-content ul ul {
  padding-left: 0.75rem;
  margin-top: 0.25rem;
}

.toc-content ul ul li {
  margin: 0.25rem 0;
}

.toc-content ul ul ul li {
  margin: 0.2rem 0;
}

.toc-content a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  line-height: 1.4;
  transition: color 0.2s ease;
  display: block;
  padding: 0.1rem 0;
}

.toc-content a:hover {
  color: var(--color-primary);
}

.toc-content ul ul a {
  font-size: 0.75rem;
  opacity: 0.8;
}

.toc-content ul ul ul a {
  font-size: 0.7rem;
  opacity: 0.7;
}

.resource-main {
  min-width: 0;
  max-width: none;
}

/* TOC Active State */
.toc-content a.active {
  color: var(--color-primary);
  font-weight: 600;
  position: relative;
}

.toc-content a.active::before {
  content: '';
  position: absolute;
  left: -0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 1rem;
  background: var(--color-primary);
  border-radius: 1px;
}

/* Resource Header */
.resource-header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem 0;
}

.resource-header h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin: 0 0 1rem 0;
  color: var(--color-primary);
}

.resource-header p {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  margin: 0 0 2rem 0;
  line-height: 1.4;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Resource Meta */
.resource-meta {
  background: linear-gradient(135deg, var(--primary-light) 0%, rgba(30, 64, 175, 0.08) 100%);
  border: 1px solid var(--primary-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin: 0 0 2rem 0;
  position: relative;
  text-align: center;
}

.resource-meta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--border-radius);
}

.resource-meta-info {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.resource-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

.reading-time {
  color: var(--color-primary);
  font-weight: 600;
}


/* Resource Features */
.resource-features {
  margin: 2rem 0;
}

.resource-features .grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.resource-features mark {
  display: block;
  padding: 0.75rem;
  background: var(--primary-light);
  color: var(--color-primary);
  border-radius: var(--border-radius);
  text-align: center;
  font-weight: 500;
}

/* Resource Content */
.resource-content {
  line-height: 1.7;
  margin-bottom: 3rem;
  max-width: none;
}

.resource-content h2,
.resource-content h3,
.resource-content h4 {
  margin: 2rem 0 1rem 0;
  color: var(--color-primary);
}

.resource-content h2 {
  font-size: 1.8rem;
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: 0.5rem;
}

.resource-content h3 {
  font-size: 1.4rem;
}

.resource-content h4 {
  font-size: 1.2rem;
}

/* Responsive Design for TOC */
@media (max-width: 1024px) {
  .resource-container {
    grid-template-columns: 240px 1fr;
    gap: 1rem;
    padding: 0 0.5rem;
  }
  
  .resource-toc {
    padding: 0.25rem 0;
  }
  
  .toc-nav h2 {
    font-size: 0.85rem;
  }
}

@media (max-width: 768px) {
  .resource-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: none;
  }
  
  .resource-toc {
    position: static;
    order: -1;
    padding: 1rem 0;
    margin: 0 0 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
  }
  
  .toc-nav h2 {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
  }
  
  .toc-toggle {
    display: block;
  }
  
  .toc-content {
    display: none;
  }
  
  .toc-content.expanded {
    display: block;
  }
}

/* Section Backgrounds for Resource List */
.resource-list-hero {
  background: linear-gradient(135deg, #EBF8FF 0%, var(--background-color) 100%);
  text-align: center;
  padding: 4rem 0 2rem;
}

.resource-list-grid {
  background: #F9FAFB;
  padding: 3rem 0;
}

.resource-list-hero h1 {
  margin-bottom: 1rem;
  color: var(--primary);
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  margin: 0 0 3rem 0;
}

.resource-card {
  background: var(--card-background-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  border: 1px solid var(--muted-border-color);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.resource-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.resource-card h3 {
  margin: 0 0 1rem 0;
  font-size: 1.25rem;
}

.resource-card h3 a {
  color: var(--primary);
  text-decoration: none;
}

.resource-card h3 a:hover {
  text-decoration: underline;
}

.resource-card p {
  margin: 0 0 1rem 0;
  line-height: 1.6;
  color: var(--color);
}

.resource-card footer {
  margin: 0;
}

.resource-card footer strong {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--primary-focus);
  color: var(--primary-inverse);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
}

/* Resource Navigation Cards */
.resource-navigation {
  background: #F9FAFB;
  padding: 3rem 0;
  margin-top: 4rem;
  border-top: 1px solid var(--muted-border-color);
}

.nav-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.nav-card {
  background: var(--card-background-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  border: 1px solid var(--muted-border-color);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.nav-card:not(.nav-disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: var(--primary);
}

.nav-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.nav-card:not(.nav-disabled):hover::before {
  opacity: 1;
}

.nav-direction {
  display: block;
  font-size: 0.875rem;
  color: var(--muted-color);
  margin-bottom: 0.5rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-card h3 {
  margin: 0 0 0.75rem 0;
  font-size: 1.125rem;
  line-height: 1.4;
}

.nav-card h3 a {
  color: var(--color);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-card:not(.nav-disabled):hover h3 a {
  color: var(--primary);
}

.nav-card time {
  font-size: 0.875rem;
  color: var(--muted-color);
  font-style: italic;
}

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

.nav-disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.nav-disabled p {
  margin: 0;
  color: var(--muted-color);
  font-style: italic;
}

@media (max-width: 768px) {
  .resource-list-hero {
    padding: 2rem 0 1rem;
  }
  
  .resources-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .resource-card {
    padding: 1.25rem;
  }
  
  .resource-navigation {
    padding: 2rem 0;
    margin-top: 2rem;
  }
  
  .nav-cards {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .nav-next {
    text-align: left;
  }
  
  .nav-card h3 {
    font-size: 1rem;
  }
}