:root {
  --rs-primary: #2563eb;
  --rs-primary-hover: #1d4ed8;
  --rs-dark: #0f172a;
  --rs-surface: #f8fafc;
  --rs-border: #e2e8f0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: #334155;
  background-color: var(--rs-surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.font-mono {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

/* Modern Hero Design */
.category-hero {
  background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.12) 0%, rgba(15, 23, 42, 0) 75%), var(--rs-dark);
}

/* Sub-category Pills Styling */
.subcat-pill {
  background: #ffffff;
  border: 1px solid var(--rs-border);
  color: #475569;
  padding: 0.45rem 1rem;
  border-radius: 50rem;
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.subcat-pill:hover, .subcat-pill.active {
  background: var(--rs-primary);
  color: #ffffff;
  border-color: var(--rs-primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.subcat-pill .count {
  font-size: 0.75rem;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 50rem;
  padding: 0.1rem 0.45rem;
}

.subcat-pill:hover .count, .subcat-pill.active .count {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

/* Featured Resource Card */
.featured-card {
  background: #ffffff;
  border: 1px solid var(--rs-border);
  border-radius: 1rem;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.featured-card:hover {
  box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.08);
}

/* Standard Resource Card */
.resource-card {
  background: #ffffff;
  border: 1px solid var(--rs-border);
  border-radius: 0.875rem;
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.resource-card:hover {
  box-shadow: 0 16px 28px -8px rgba(15, 23, 42, 0.08);
  border-color: #cbd5e1;
}

.card-img-wrapper {
  position: relative;
  height: 210px;
  overflow: hidden;
  background-color: #f1f5f9;
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.resource-card:hover .card-img-wrapper img {
  transform: scale(1.04);
}

/* Hover Actions Overlay */
.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.card-img-wrapper:hover .card-overlay {
  opacity: 1;
}

.sidebar-sticky {
  position: sticky;
  top: 90px;
}

/* Badge Overrides */
.badge-soft-primary {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--rs-primary);
}