/**
 * MandateNavigation Styles
 * 
 * Hierarchische Navigation:
 * System → Mandant → Feature → Instanz → Views
 */

.navigation {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0 0.5rem;
}

/* Separator */
.separator {
  height: 1px;
  background: var(--border-color, #e0e0e0);
  margin: 0.75rem 0.5rem;
}

/* Section (System, Admin) */
.section {
  margin-bottom: 0.5rem;
}

.sectionHeader {
  padding: 0.5rem 0.75rem;
}

.sectionTitle {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-tertiary, #888);
  text-transform: uppercase;
}

.sectionContent {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Nav Item (Links) */
.navItem {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  border-radius: 6px;
  color: var(--text-secondary, #666);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.15s ease;
}

.navItem:hover {
  background: var(--hover-bg, rgba(0, 0, 0, 0.04));
  color: var(--text-primary, #1a1a1a);
}

.navItem.active {
  background: var(--primary-light, #e0e7ff);
  color: var(--primary-color, #2563eb);
  font-weight: 500;
}

.navIcon {
  font-size: 1rem;
  flex-shrink: 0;
}

/* Mandate Group */
.mandateGroup {
  margin-bottom: 0.25rem;
}

.mandateHeader {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary, #1a1a1a);
  transition: background 0.15s ease;
}

.mandateHeader:hover {
  background: var(--hover-bg, rgba(0, 0, 0, 0.04));
}

.mandateLabel {
  flex: 1;
  text-align: left;
}

.mandateContent {
  margin-left: 0.25rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--border-color, #e0e0e0);
}

.activeMandate > .mandateContent {
  border-left-color: var(--primary-color, #2563eb);
}

/* Feature Group */
.featureGroup {
  margin-bottom: 0.25rem;
}

.featureHeader {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  font-size: 0.8125rem;
  color: var(--text-secondary, #666);
  transition: background 0.15s ease;
}

.featureHeader:hover {
  background: var(--hover-bg, rgba(0, 0, 0, 0.04));
}

.featureIcon {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
}

.featureLabel {
  flex: 1;
  text-align: left;
  font-weight: 500;
}

.instanceCount {
  font-size: 0.6875rem;
  padding: 0.125rem 0.375rem;
  background: var(--surface-color, #f0f0f0);
  border-radius: 9999px;
  color: var(--text-tertiary, #888);
}

.featureContent {
  margin-left: 0.25rem;
  padding-left: 0.75rem;
}

.activeFeature > .featureHeader {
  color: var(--primary-color, #2563eb);
}

/* Instance Group */
.instanceGroup {
  margin-bottom: 0.125rem;
}

.instanceHeader {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  width: 100%;
  padding: 0.375rem 0.5rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--text-secondary, #666);
  transition: background 0.15s ease;
}

.instanceHeader:hover {
  background: var(--hover-bg, rgba(0, 0, 0, 0.04));
}

.instanceLabel {
  flex: 1;
  text-align: left;
  font-weight: 500;
}

.roleBadge {
  font-size: 0.625rem;
  padding: 0.0625rem 0.375rem;
  background: var(--surface-color, #f0f0f0);
  border-radius: 9999px;
  color: var(--text-tertiary, #888);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.instanceViews {
  margin-left: 0.25rem;
  padding-left: 1rem;
}

.activeInstance > .instanceHeader {
  color: var(--primary-color, #2563eb);
  background: var(--primary-light, #e0e7ff);
}

.activeInstance .roleBadge {
  background: var(--primary-color, #2563eb);
  color: white;
}

/* View Item */
.viewItem {
  display: block;
  padding: 0.375rem 0.5rem;
  border-radius: 4px;
  color: var(--text-secondary, #666);
  text-decoration: none;
  font-size: 0.75rem;
  transition: all 0.15s ease;
}

.viewItem:hover {
  background: var(--hover-bg, rgba(0, 0, 0, 0.04));
  color: var(--text-primary, #1a1a1a);
}

.viewItem.active {
  background: var(--primary-light, #e0e7ff);
  color: var(--primary-color, #2563eb);
  font-weight: 500;
}

/* Chevron */
.chevron {
  font-size: 0.625rem;
  color: var(--text-tertiary, #888);
  flex-shrink: 0;
}

/* Loading State */
.loadingState {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem 1rem;
  color: var(--text-tertiary, #888);
  font-size: 0.8125rem;
}

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Empty State */
.emptyState {
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--text-secondary, #666);
  font-size: 0.875rem;
}

.emptyHint {
  font-size: 0.75rem;
  color: var(--text-tertiary, #888);
  margin-top: 0.5rem;
}

/* Rename button (inline, hover-visible via TreeNavigation nodeActions) */
.renameButton {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  padding: 0;
  border: none;
  border-radius: 3px;
  background: transparent;
  color: var(--text-tertiary, #888);
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

.renameButton:hover {
  color: var(--primary-color, #2563eb);
  background: var(--hover-bg, rgba(0, 0, 0, 0.06));
}

/* Dark Theme */
:global(.dark-theme) .separator {
  background: var(--border-dark, #333);
}

:global(.dark-theme) .sectionTitle {
  color: var(--text-tertiary-dark, #666);
}

:global(.dark-theme) .navItem {
  color: var(--text-secondary-dark, #aaa);
}

:global(.dark-theme) .navItem:hover {
  background: var(--hover-bg-dark, rgba(255, 255, 255, 0.06));
  color: var(--text-primary-dark, #fff);
}

:global(.dark-theme) .navItem.active {
  background: var(--primary-dark-bg, #1e3a5f);
  color: var(--primary-light, #93c5fd);
}

:global(.dark-theme) .mandateHeader {
  color: var(--text-primary-dark, #fff);
}

:global(.dark-theme) .mandateHeader:hover {
  background: var(--hover-bg-dark, rgba(255, 255, 255, 0.06));
}

:global(.dark-theme) .mandateContent {
  border-left-color: var(--border-dark, #444);
}

:global(.dark-theme) .activeMandate > .mandateContent {
  border-left-color: var(--primary-light, #93c5fd);
}

:global(.dark-theme) .featureHeader {
  color: var(--text-secondary-dark, #aaa);
}

:global(.dark-theme) .featureHeader:hover {
  background: var(--hover-bg-dark, rgba(255, 255, 255, 0.06));
}

:global(.dark-theme) .activeFeature > .featureHeader {
  color: var(--primary-light, #93c5fd);
}

:global(.dark-theme) .instanceCount,
:global(.dark-theme) .roleBadge {
  background: var(--surface-dark, #2a2a2a);
  color: var(--text-tertiary-dark, #888);
}

:global(.dark-theme) .instanceHeader {
  color: var(--text-secondary-dark, #aaa);
}

:global(.dark-theme) .instanceHeader:hover {
  background: var(--hover-bg-dark, rgba(255, 255, 255, 0.06));
}

:global(.dark-theme) .activeInstance > .instanceHeader {
  color: var(--primary-light, #93c5fd);
  background: var(--primary-dark-bg, #1e3a5f);
}

:global(.dark-theme) .activeInstance .roleBadge {
  background: var(--primary-color, #2563eb);
  color: white;
}

:global(.dark-theme) .viewItem {
  color: var(--text-secondary-dark, #aaa);
}

:global(.dark-theme) .viewItem:hover {
  background: var(--hover-bg-dark, rgba(255, 255, 255, 0.06));
  color: var(--text-primary-dark, #fff);
}

:global(.dark-theme) .viewItem.active {
  background: var(--primary-dark-bg, #1e3a5f);
  color: var(--primary-light, #93c5fd);
}