/* Navigation Styles */
.app-navigation {
  background: var(--md-sys-color-surface, #ffffff);
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  padding: 12px 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-navigation ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.app-navigation li {
  display: inline-block;
}

.app-navigation a {
  display: inline-block;
  padding: 10px 20px;
  color: var(--md-sys-color-primary, #1976d2);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  border-radius: 20px;
  transition: background 0.2s, color 0.2s;
  min-height: 40px;
  line-height: 20px;
}

.app-navigation a:hover {
  background: rgba(25, 118, 210, 0.08);
}

.app-navigation a:active,
.app-navigation a[aria-current="page"] {
  background: var(--md-sys-color-primary, #1976d2);
  color: var(--md-sys-color-on-primary, #ffffff);
}

/* Navigation Progress Bar */
.navigation-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(0, 0, 0, 0.05);
  z-index: 10001;
  opacity: 0;
  transition: opacity 0.3s;
}

.navigation-progress[aria-valuenow] {
  opacity: 1;
}

.navigation-progress-bar {
  height: 100%;
  background: var(--md-sys-color-primary, #1976d2);
  width: 0;
  transition: width 0.3s ease;
}

/* Mobile Navigation */
@media (max-width: 600px) {
  .app-navigation {
    padding: 8px 12px;
  }
  
  .app-navigation a {
    padding: 8px 16px;
    font-size: 13px;
  }
}

/* Breadcrumb Navigation */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-size: 14px;
}

.breadcrumb a {
  color: var(--md-sys-color-primary, #1976d2);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: rgba(0, 0, 0, 0.6);
}

.breadcrumb-current {
  color: rgba(0, 0, 0, 0.87);
  font-weight: 500;
}