/* =====================================================
 * LAYOUT COMPONENTS - BLUEPRINT NOIR
 * Structural elements for Admin & App pages
 * ===================================================== */

/* ===== PAGE CONTAINER ===== */
.page-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: calc(100vh - 80px); /* Adjust based on navbar height */
  position: relative;
  
  /* Subtle grid overlay for the main content area */
  background-image: 
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  background-attachment: fixed;
}

/* Compact variant for editor pages */
.page-container--compact {
  padding-top: 1rem;
}

/* Mobile adjustment */
@media (max-width: 640px) {
  .page-container {
    padding: 1.5rem 1rem;
  }

  .page-container--compact {
    padding-top: 0.75rem;
  }
}

/* ===== PAGE HEADER ===== */
.page-header {
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 1.5rem;
  border-bottom: 1px dashed var(--border-tech);
}

/* Technical accent line below header */
.page-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--accent-copper);
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Technical square accent before title */
.page-title::before {
  content: '';
  display: block;
  width: 0.75rem;
  height: 0.75rem;
  background: var(--accent-copper);
  box-shadow: 0 0 10px var(--accent-copper-glow);
}

.page-subtitle {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 800px;
  margin-top: 0.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

/* Technical prefix for subtitle */
.page-subtitle::before {
  content: '//';
  color: var(--accent-copper);
  font-size: 0.8em;
  opacity: 0.7;
}

/* ===== BREADCRUMBS ===== */
.breadcrumbs-nav {
  margin-bottom: 1.5rem;
}

.breadcrumbs-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumb-link,
.breadcrumb-current {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: all 0.2s ease;
}

.breadcrumb-link {
  color: var(--text-secondary);
}

.breadcrumb-link:hover {
  color: var(--accent-copper);
  text-shadow: 0 0 8px var(--accent-copper-glow);
}

.breadcrumb-current {
  color: var(--accent-copper);
  background: rgba(212, 165, 116, 0.1);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  border: 1px solid rgba(212, 165, 116, 0.2);
}

.breadcrumb-icon {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb-separator {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ===== SECTION LAYOUTS ===== */

/* Standard card layout for content sections */
.layout-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 2rem;
}

.layout-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-tech);
}

.layout-section-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
}

/* Grid layouts for dashboard widgets */
.layout-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.layout-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .layout-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .layout-grid-2,
  .layout-grid-3 {
    grid-template-columns: 1fr;
  }
  
  .layout-section {
    padding: 1.5rem;
  }
}

/* Sidebar Layout Wrapper (if applicable) */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

.app-main {
  flex: 1;
  width: 100%;
  background-color: var(--bg-depth);
}