/* Subnav - Apple-style breadcrumb navigation */
.subnav {
  position: sticky;
  top: var(--header-height, 50px);
  z-index: 90;
  background: rgba(var(--bg-primary-rgb, 255, 255, 255), 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.subnav-inner {
  width: var(--content-width-percent, 90%);
  max-width: var(--max-width, 1600px);
  margin: 0 auto;
  padding: 0.75rem var(--content-padding-x, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (max-width: 1024px) {
  .subnav-inner {
    padding: 0.75rem 32px;
  }
}

@media (max-width: 768px) {
  .subnav-inner {
    padding: 0.75rem 16px;
    flex-wrap: wrap;
  }
}

.subnav-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  min-width: 0;
  flex: 1;
}

.subnav-breadcrumb-link {
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s ease;
}

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

.subnav-breadcrumb-separator {
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.subnav-breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.subnav-status {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  margin-left: 0.5rem;
  flex-shrink: 0;
}

.subnav-status.open {
  background: rgba(46, 164, 79, 0.15);
  color: #2ea44f;
}

.subnav-status.closed {
  background: rgba(139, 69, 255, 0.15);
  color: #8b45ff;
}

.subnav-status.merged {
  background: rgba(139, 69, 255, 0.15);
  color: #8b45ff;
}

.subnav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Extend components.css .btn with subnav-specific sizing */
.subnav-actions .btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  gap: 0.375rem;
}

.subnav-actions .btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.subnav-actions .btn-outline:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-color-strong);
}

.subnav-actions .btn svg {
  width: 14px;
  height: 14px;
}

/* Dark mode adjustments */
[data-theme="dark"] .subnav {
  background: rgba(var(--bg-primary-rgb, 18, 18, 18), 0.85);
}

[data-theme="dark"] .subnav-status.open {
  background: rgba(46, 164, 79, 0.2);
}

[data-theme="dark"] .subnav-status.closed,
[data-theme="dark"] .subnav-status.merged {
  background: rgba(139, 69, 255, 0.2);
}