/* OpportunityHub - Layout Styles */

/* Header */
.site-header {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-green));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-inverse);
  font-family: var(--font-heading);
}

.site-tagline {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-left: var(--spacing-md);
}

/* Main Layout Container */
.main-container {
  display: flex;
  max-width: var(--max-content-width);
  margin: 0 auto;
  min-height: calc(100vh - 80px);
}

/* Sidebar (Filters) */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-bg-secondary);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xl);
  position: sticky;
  top: 80px;
  height: calc(100vh - 80px);
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: var(--spacing-xl);
}

.sidebar-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-inverse);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.filter-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: var(--spacing-xl);
  background-color: var(--color-bg-primary);
}

.content-header {
  margin-bottom: var(--spacing-xl);
}

.content-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-sm);
}

.content-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.results-count {
  font-family: var(--font-mono);
  color: var(--color-accent-blue);
  font-weight: 600;
}

.opportunities-grid {
  display: grid;
  gap: var(--spacing-lg);
}

/* Detail Page Layout */
.detail-page {
  background-color: var(--color-bg-primary);
  min-height: 100vh;
  padding: var(--spacing-xl);
}

.detail-breadcrumb {
  margin-bottom: var(--spacing-lg);
}

.breadcrumb-link {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.breadcrumb-link:hover {
  color: var(--color-accent-blue);
}

.breadcrumb-separator {
  color: var(--color-text-muted);
  margin: 0 var(--spacing-sm);
}

.detail-title-section {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.detail-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.detail-badges {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .main-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .content-title {
    font-size: 1.5rem;
  }

  .detail-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  .header-content {
    padding: 0 var(--spacing-md);
  }

  .main-content {
    padding: var(--spacing-md);
  }

  .sidebar {
    padding: var(--spacing-md);
  }

  .site-tagline {
    display: none;
  }

  .opportunity-card {
    padding: var(--spacing-md);
  }

  .opportunity-card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .detail-page {
    padding: var(--spacing-md);
  }

  .detail-title-section,
  .detail-section {
    padding: var(--spacing-md);
  }

  .metadata-table td:first-child {
    width: 120px;
  }
}

/* Scrollbar Styling */
.sidebar::-webkit-scrollbar {
  width: 8px;
}

.sidebar::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Active Filters Indicator */
.active-filters {
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid var(--color-accent-blue);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-accent-blue);
}

.active-filters-count {
  font-weight: 600;
  font-family: var(--font-mono);
}

/* Print Styles */
@media print {
  .sidebar,
  .site-header,
  .detail-breadcrumb,
  .btn {
    display: none;
  }

  .main-content {
    padding: 0;
  }

  .detail-page {
    background: white;
  }
}