/*
  Resources Page Styles
  Featured cards for course content, compact lists for external resources
*/

/* ===========================================
   Page Container
   =========================================== */
.resources-page {
  max-width: 70rem;
  margin: 0 auto;
  padding: 0 var(--container-padding) var(--space-3xl);
}

/* ===========================================
   Sticky Pill Navigation
   =========================================== */
.resources-nav {
  position: sticky;
  top: 60px;
  z-index: 50;
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
  margin-bottom: var(--space-lg);
  background: var(--background-1);
  border-bottom: 1px solid var(--sand-4);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.resources-nav::-webkit-scrollbar {
  display: none;
}

.resources-nav-pill {
  flex-shrink: 0;
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  background: var(--sand-2);
  border: 1px solid var(--sand-4);
  border-radius: var(--radius-lg);
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
  white-space: nowrap;
}

.resources-nav-pill:hover {
  background: var(--sand-3);
  border-color: var(--sand-5);
  color: var(--text-1);
}

.resources-nav-pill:focus-visible {
  outline: 2px solid var(--brand-color);
  outline-offset: 2px;
}

/* ===========================================
   Header
   =========================================== */
.resources-header {
  margin-bottom: var(--space-2xl);
}

.resources-header h1 {
  margin: 0 0 var(--space-sm);
}

.resources-intro {
  font-size: var(--text-lg);
  color: var(--text-2);
  margin: 0;
  max-width: 600px;
}

/* ===========================================
   Sections
   =========================================== */
.resources-section {
  margin-bottom: var(--space-2xl);
}

.resources-section-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-1);
  margin: 0 0 var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--sand-4);
}

/* ===========================================
   Featured Cards (Course References)
   =========================================== */
.resources-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.resource-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--sand-2);
  border: 1px solid var(--sand-4);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.12);
  border-color: var(--brand-color);
}

.resource-card:focus-visible {
  outline: 2px solid var(--brand-color);
  outline-offset: 2px;
}

.resource-card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--orange-2);
  color: var(--orange-9);
  border-radius: var(--radius-md);
  transition: transform 0.2s ease;
}

.resource-card:hover .resource-card-icon {
  transform: scale(1.05);
}

/* Icon color variants */
.resource-card--html .resource-card-icon {
  background: var(--orange-2);
  color: var(--orange-9);
}

.resource-card--css .resource-card-icon {
  background: var(--cyan-2);
  color: var(--cyan-9);
}

.resource-card--git .resource-card-icon {
  background: var(--indigo-2);
  color: var(--indigo-9);
}

.resource-card--windows .resource-card-icon,
.resource-card--apple .resource-card-icon {
  background: var(--sand-3);
  color: var(--sand-11);
}

.resource-card-content {
  flex: 1;
  min-width: 0;
}

.resource-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-1);
  margin: 0 0 var(--space-xs);
}

.resource-card-desc {
  font-size: var(--text-sm);
  color: var(--text-2);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.resource-card-arrow {
  flex-shrink: 0;
  color: var(--sand-6);
  transition:
    color 0.2s ease,
    transform 0.2s ease;
}

.resource-card:hover .resource-card-arrow {
  color: var(--brand-color);
  transform: translateX(4px);
}

/* ===========================================
   Compact Lists
   =========================================== */
.resources-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.resources-list-item {
  margin: 0;
}

.resources-list-link {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color 0.15s ease;
}

.resources-list-link:hover {
  background: var(--sand-2);
}

.resources-list-link:focus-visible {
  outline: 2px solid var(--brand-color);
  outline-offset: 2px;
}

.resources-list-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--text-3);
  background: var(--sand-2);
  border-radius: var(--radius-sm);
  transition: color 0.15s ease;
}

.resources-list-link:hover .resources-list-icon {
  color: var(--brand-color);
}

.resources-list-title {
  font-weight: 500;
  color: var(--text-1);
  white-space: nowrap;
}

.resources-list-desc {
  font-size: var(--text-sm);
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.resources-list-external {
  color: var(--sand-6);
  opacity: 0;
  transition: opacity 0.15s ease;
}

.resources-list-link:hover .resources-list-external {
  opacity: 1;
}

/* ===========================================
   Getting Help Section
   =========================================== */
.resources-help {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--sand-4);
}

.resources-help-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.resources-help-card {
  padding: var(--space-lg);
  background: var(--sand-2);
  border: 1px solid var(--sand-4);
  border-radius: var(--radius-lg);
}

.resources-help-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-1);
  margin: 0 0 var(--space-md);
}

.resources-help-card ul {
  margin: 0;
  padding-left: var(--space-lg);
}

.resources-help-card li {
  font-size: var(--text-sm);
  color: var(--text-2);
  margin-bottom: var(--space-xs);
}

.resources-help-card li:last-child {
  margin-bottom: 0;
}

/* ===========================================
   Responsive Design
   =========================================== */
@media (max-width: 768px) {
  .resources-nav {
    top: 50px;
    padding: var(--space-sm) 0;
  }

  .resources-cards {
    grid-template-columns: 1fr;
  }

  .resource-card {
    padding: var(--space-md);
  }

  .resource-card-icon {
    width: 40px;
    height: 40px;
  }

  .resources-list-link {
    grid-template-columns: auto 1fr auto;
    padding: var(--space-sm);
  }

  .resources-list-desc {
    display: none;
  }

  .resources-list-external {
    opacity: 1;
  }
}

@media (max-width: 480px) {
  .resources-nav-pill {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--text-xs);
  }
}

/* ===========================================
   Print Styles
   =========================================== */
@media print {
  .resources-nav {
    display: none;
  }

  .resources-page {
    max-width: none;
    padding: 0;
  }

  .resource-card,
  .resources-help-card {
    border: 1px solid #ccc;
    box-shadow: none;
  }

  .resources-list-external {
    opacity: 1;
  }
}

/* ===========================================
   Reduced Motion
   =========================================== */
@media (prefers-reduced-motion: reduce) {
  .resource-card,
  .resource-card-icon,
  .resource-card-arrow,
  .resources-list-link,
  .resources-list-icon,
  .resources-nav-pill {
    transition: none;
  }

  .resource-card:hover {
    transform: none;
  }

  .resource-card:hover .resource-card-icon {
    transform: none;
  }

  .resource-card:hover .resource-card-arrow {
    transform: none;
  }
}