/**
 * Cross-Page Navigation Styles
 * Breadcrumbs, Architecture Map, Related Links
 */

/* Breadcrumbs */
.breadcrumbs {
  padding: 1rem 0;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.breadcrumbs .container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.breadcrumb-item {
  color: rgba(224,224,255,0.6);
  text-decoration: none;
}

.breadcrumb-item:hover {
  color: var(--color-phi);
}

.breadcrumb-item.current {
  color: var(--star-white);
  font-weight: 500;
}

.breadcrumb-separator {
  color: rgba(224,224,255,0.3);
}

/* Architecture Map Mini */
.arch-map-mini {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: rgba(10,10,18,0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 1rem;
  z-index: 100;
  width: 200px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.arch-map-mini h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: rgba(224,224,255,0.5);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.arch-mini-layers {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.arch-mini-layer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  color: rgba(224,224,255,0.6);
  text-decoration: none;
  transition: all 0.2s ease;
}

.arch-mini-layer:hover {
  background: rgba(255,255,255,0.05);
  color: var(--star-white);
}

.arch-mini-layer.active {
  background: rgba(255,215,0,0.1);
  border-left: 2px solid var(--color-phi);
  color: var(--color-phi);
}

.layer-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.layer-dot.l4 { background: var(--color-phi); }
.layer-dot.l3 { background: var(--color-fra-r); }
.layer-dot.l2 { background: var(--color-fra-f); }
.layer-dot.l1 { background: var(--color-o2); }

/* Page Relations */
.page-relations {
  padding: 2rem 0;
  background: rgba(0,0,0,0.2);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.relations-title {
  font-size: 0.875rem;
  color: rgba(224,224,255,0.5);
  margin-bottom: 1rem;
}

.relations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.relation-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

.relation-card:hover {
  transform: translateX(4px);
  border-color: rgba(255,215,0,0.3);
}

.relation-icon {
  font-size: 1.5rem;
}

.relation-info h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.relation-info p {
  font-size: 0.75rem;
  color: rgba(224,224,255,0.6);
}

.relation-arrow {
  margin-left: auto;
  color: rgba(224,224,255,0.3);
}

/* Prev/Next Navigation */
.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.page-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  flex: 1;
  max-width: 300px;
}

.page-nav-link:hover {
  background: rgba(255,215,0,0.05);
  border-color: rgba(255,215,0,0.3);
}

.page-nav-link.next {
  flex-direction: row-reverse;
  text-align: right;
}

.page-nav-label {
  font-size: 0.75rem;
  color: rgba(224,224,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-nav-title {
  font-weight: 600;
  color: var(--star-white);
}

/* You Are Here Indicator */
.you-are-here {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255,215,0,0.1);
  border: 1px solid rgba(255,215,0,0.2);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--color-phi);
  margin-bottom: 1.5rem;
}

.you-are-here::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-phi);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Responsive */
@media (max-width: 768px) {
  .arch-map-mini {
    display: none;
  }
  
  .page-nav {
    flex-direction: column;
  }
  
  .page-nav-link {
    max-width: none;
  }
}