.search-hero {
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.04), rgba(15, 23, 42, 0.02));
}

.search-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--space-8);
  align-items: center;
}

.search-hero-content {
  max-width: 40rem;
}

.search-hero-form {
  margin-top: var(--space-4);
}

.search-hero-input-wrap {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.search-hero-input-wrap .input {
  flex: 1;
}

.search-hero-links {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.search-hero-visual {
  max-width: 30rem;
  margin-left: auto;
}

.search-hero-visual img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.search-layout .container {
  max-width: 1240px;
}

.search-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: var(--space-6);
}

.search-sidebar {
  align-self: flex-start;
  position: sticky;
  top: var(--space-6);
}

.sidebar-section + .sidebar-section {
  margin-top: var(--space-4);
}

.sidebar-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

.sidebar-subtitle {
  font-size: var(--font-size-sm);
  text-transform: none;
  letter-spacing: 0;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.sidebar-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-200);
  font-size: var(--font-size-xs);
  background-color: #ffffff;
  color: var(--gray-700);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.chip--active {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.chip--ghost {
  background-color: var(--gray-50);
  border-color: transparent;
}

.chip:hover {
  background-color: var(--gray-50);
}

.sidebar-options {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sidebar-checkbox {
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.sidebar-checkbox input[type="checkbox"] {
  width: 0.9rem;
  height: 0.9rem;
}

.search-results {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.results-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: flex-end;
}

.results-title {
  margin-bottom: 0;
}

.results-query {
  color: var(--color-primary);
}

.results-count {
  font-size: var(--font-size-sm);
}

.results-controls {
  min-width: 210px;
}

.results-preview {
  margin-top: var(--space-2);
}

.results-preview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
}

.results-preview-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.results-layout-preview {
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
}

.results-layout-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.results-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.course-card-header {
  margin-bottom: var(--space-3);
}

.course-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.course-card-body {
  margin-bottom: var(--space-3);
}

.course-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--gray-600);
}

.course-meta-grid dt {
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.course-meta-grid dd {
  margin: 0;
}

.course-card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-start;
}

.results-empty {
  margin-top: var(--space-4);
}

.results-empty-actions {
  margin-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.search-secondary {
  margin-top: var(--space-4);
}

.search-secondary-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--space-6);
}

.secondary-block h3 {
  margin-bottom: var(--space-3);
}

.keyword-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.keyword-column h4 {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
}

.keyword-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.secondary-links {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
}

.support-callout {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--gray-200);
}

.support-actions {
  margin-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (max-width: 1024px) {
  .search-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .search-hero-visual {
    order: -1;
    margin: 0 auto;
  }

  .search-main-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .search-sidebar {
    position: static;
    order: -1;
  }

  .search-secondary-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .search-hero-input-wrap {
    flex-direction: column;
    align-items: stretch;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .results-preview-grid,
  .results-layout-preview {
    grid-template-columns: minmax(0, 1fr);
  }

  .search-secondary {
    padding-top: var(--space-6);
  }
}

@media (max-width: 480px) {
  .search-hero {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .course-meta-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}