/* ----- Header / Navbar ----- */
.navbar {
  background: var(--navbar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-md) var(--space-lg);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.3s ease;
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--text-primary);
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.navbar-brand:hover {
  opacity: 0.85;
}

.brand-icon {
  width: 34px;
  height: 34px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.navbar-brand:hover .brand-icon {
  background: var(--bg-glass-hover);
  transform: scale(1.05) rotate(-5deg);
  border-color: var(--text-accent);
}

.brand-beta {
  font-size: 10px;
  background: var(--bg-glass-hover);
  color: var(--text-accent);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-left: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid var(--border-color);
  font-weight: 800;
  vertical-align: middle;
  cursor: help;
  transition: all var(--transition-fast);
  display: inline-block;
  line-height: normal;
}

.brand-beta:hover {
  background: var(--text-accent);
  color: var(--accent-contrast);
  transform: translateY(-1px);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
}

.mobile-nav-header {
  display: none;
}

.nav-link {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.nav-link.active {
  color: var(--text-accent);
}

.nav-link {
  position: relative;
}

.nav-badge,
.tab-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--danger);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  border: 2px solid var(--navbar-bg);
  pointer-events: none;
  z-index: 10;
}

.tab-badge {
  top: -8px;
  right: -8px;
  border-color: var(--card-bg);
}

.hidden {
  display: none !important;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
  padding-left: var(--space-md);
  border-left: 1px solid var(--border-color);
}

.nav-user-inner {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  cursor: pointer;
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
  flex-shrink: 0;
  padding: 0;
  line-height: 1;
}

.theme-toggle:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.theme-toggle:active {
  transform: scale(0.95);
}

#nav-user-logged-in {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--accent-contrast);
}

.user-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.btn-logout {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  color: var(--danger);
  border-color: var(--danger);
  background: var(--danger-bg);
}


/* ----- Page Header ----- */
.page-header {
  margin-bottom: var(--space-2xl);
}

.page-header h1 {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.page-header p {
  font-size: var(--text-base);
  color: var(--text-secondary);
}


/* Responsive Overrides */
@media (max-width: 768px) {
  .nav-user-inner {
    padding-bottom: var(--space-md);
  }
}