/**
 * Unified Navigation Bar Component
 * Professional, fixed navbar with glassmorphism on scroll
 * Replaces the large header + bottom menu pattern
 */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: var(--theme-bg-elevated);
  border-bottom: 1px solid var(--theme-border-subtle);
  z-index: var(--z-navbar);
  transition: all var(--transition-base);
}

/* Glassmorphism state when scrolled */
.navbar--scrolled {
  background: var(--theme-glass-bg);
  backdrop-filter: blur(var(--theme-glass-blur));
  -webkit-backdrop-filter: blur(var(--theme-glass-blur));
  border-bottom-color: var(--theme-glass-border);
  box-shadow: var(--theme-shadow-md);
}

.navbar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Logo Section */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--theme-text-primary);
  font-weight: var(--font-bold);
  font-size: var(--text-xl);
  transition: opacity var(--transition-fast);
}

.navbar__logo:hover {
  opacity: 0.8;
}

.navbar__logo-image {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.navbar__logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--theme-text-primary);
}

/* Navigation Links */
.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  justify-content: center;
}

.navbar__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  color: var(--theme-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
  position: relative;
}

.navbar__link:hover {
  color: var(--theme-text-primary);
  background: var(--theme-bg-tertiary);
}

.navbar__link--active {
  color: var(--theme-accent-primary);
  background: rgba(6, 182, 212, 0.1);
}

.navbar__link--active:hover {
  background: rgba(6, 182, 212, 0.15);
}

.navbar__link-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Actions Section (Right side) */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-dropdown {
  position: relative;
  padding-bottom: 10px;
  margin-bottom: -10px;
}

.nav-icon-link,
.nav-user-button {
  text-decoration: none;
  position: relative;
}

.navbar .nav-icon-link,
.navbar .nav-icon-link:visited,
.navbar .nav-user-button,
.navbar .nav-user-button:visited {
  color: var(--theme-text-secondary) !important;
}

.nav-icon-button,
.nav-user-button {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--theme-border-subtle);
  background: rgba(15, 23, 42, 0.82);
  color: var(--theme-text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav-icon-button:hover,
.nav-user-button:hover {
  color: var(--theme-text-primary);
  border-color: rgba(6, 182, 212, 0.28);
  background: rgba(6, 182, 212, 0.08);
  transform: translateY(-1px);
}

.navbar .nav-icon-button:hover,
.navbar .nav-user-button:hover,
.navbar .nav-icon-button:hover:visited,
.navbar .nav-user-button:hover:visited {
  color: var(--theme-text-primary) !important;
}

.nav-icon-button--active,
.nav-user-button--active {
  color: var(--theme-accent-primary);
  border-color: rgba(6, 182, 212, 0.35);
  background: rgba(6, 182, 212, 0.1);
}

.navbar .nav-icon-button--active,
.navbar .nav-user-button--active,
.navbar .nav-icon-button--active:visited,
.navbar .nav-user-button--active:visited {
  color: var(--theme-accent-primary) !important;
}

.nav-icon-svg {
  width: 20px;
  height: 20px;
}

.nav-icon-button .fa-solid,
.nav-icon-button .fa-regular,
.nav-icon-button .fa-brands {
  color: currentColor;
}

.nav-user-avatar {
  width: 100%;
  height: 100%;
  border-radius: 11px;
  object-fit: cover;
}

.nav-icon-badge {
  position: absolute;
  bottom: -5px;
  right: -5px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(2, 6, 23, 0.95);
}

.nav-dropdown-panel {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  width: 360px;
  background: rgba(9, 14, 27, 0.98);
  border: 1px solid var(--theme-border-subtle);
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.42);
  padding: 14px;
  z-index: 1200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.22s cubic-bezier(.22, 1, .36, 1), visibility 0.18s ease;
}

.nav-dropdown-panel--account {
  width: 300px;
}

.nav-dropdown-panel::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}

.nav-dropdown.is-open .nav-dropdown-panel,
.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown:focus-within .nav-dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-dropdown-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-dropdown-head strong {
  display: block;
  font-size: 15px;
  color: var(--theme-text-primary);
}

.nav-dropdown-head p {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--theme-text-secondary);
}

.nav-dropdown-action {
  border: none;
  background: transparent;
  color: #7dd3fc;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.nav-dropdown-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 360px;
  overflow-y: auto;
  padding: 12px 0;
}

.nav-dropdown-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  text-decoration: none;
  color: inherit;
  padding: 10px;
  border-radius: 12px;
  transition: 0.2s;
  border: 1px solid transparent;
}

.nav-dropdown-item:hover {
  background: rgba(255,255,255,0.03);
  border-color: rgba(6, 182, 212, 0.16);
}

.nav-dropdown-item-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(6, 182, 212, 0.08);
  color: #67e8f9;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
}

.nav-dropdown-item-icon svg {
  width: 18px;
  height: 18px;
}

.nav-dropdown-item-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.nav-dropdown-item-copy strong {
  font-size: 13px;
  color: var(--theme-text-primary);
}

.nav-dropdown-item-copy span {
  font-size: 12px;
  color: var(--theme-text-secondary);
  line-height: 1.45;
}

.nav-dropdown-item-copy small {
  font-size: 11px;
  color: var(--theme-text-secondary);
}

.nav-dropdown-footer {
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  justify-content: flex-end;
}

.nav-dropdown-empty {
  padding: 12px 4px;
  font-size: 13px;
  color: var(--theme-text-secondary);
}

/* CTA Button */
.navbar__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--gradient-brand);
  color: white;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.3);
}

.navbar__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4);
}

body.blueva-theme .navbar__cta,
body.blueva-theme .navbar__cta:hover,
body.blueva-theme .navbar__cta:visited {
  color: #fff !important;
}

.navbar__cta--secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.navbar__cta--secondary:hover {
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: none;
}

/* Theme Toggle */
.navbar__theme-toggle {
  display: flex;
  align-items: center;
  padding: var(--space-2);
  background: transparent;
  border: 1px solid var(--theme-border-subtle);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--theme-text-secondary);
}

.navbar__theme-toggle:hover {
  background: var(--theme-bg-tertiary);
  border-color: var(--theme-border-medium);
  color: var(--theme-text-primary);
}

.navbar__theme-icon {
  width: 20px;
  height: 20px;
}

/* User Area */
.navbar__user {
  display: none;
}

.navbar__user-button {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: 1px solid var(--theme-border-subtle);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--theme-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.navbar__user-button:hover {
  background: var(--theme-bg-tertiary);
  border-color: var(--theme-border-medium);
  color: var(--theme-text-primary);
}


/* Mobile Menu Toggle */
.navbar__mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--theme-border-subtle);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--theme-text-secondary);
}

.navbar__mobile-toggle:hover {
  background: var(--theme-bg-tertiary);
  border-color: var(--theme-border-medium);
}

.navbar__mobile-toggle-icon {
  width: 24px;
  height: 24px;
}

/* Mobile Menu */
.navbar__mobile-menu {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--theme-bg-elevated);
  padding: var(--space-6);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  z-index: calc(var(--z-navbar) - 1);
}

.navbar__mobile-menu--open {
  transform: translateX(0);
}

.navbar__mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.navbar__mobile-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  color: var(--theme-text-secondary);
  text-decoration: none;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
}

.navbar__mobile-link:hover {
  color: var(--theme-text-primary);
  background: var(--theme-bg-tertiary);
}

.navbar__mobile-link--active {
  color: var(--theme-accent-primary);
  background: rgba(6, 182, 212, 0.1);
}

.navbar__mobile-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--theme-border-subtle);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .navbar__nav {
    display: none;
  }

  .nav-dropdown {
    display: none;
  }
  
  .navbar__mobile-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .navbar__container {
    padding: 0 var(--space-4);
  }
  
  .navbar__cta {
    display: none;
  }
  
  .navbar__logo-text {
    display: none;
  }
}

/* Accessibility - Keyboard Navigation */
.navbar__link:focus-visible,
.navbar__cta:focus-visible,
.nav-icon-button:focus-visible,
.nav-user-button:focus-visible,
.navbar__theme-toggle:focus-visible,
.navbar__user-button:focus-visible,
.navbar__mobile-toggle:focus-visible {
  outline: 2px solid var(--theme-accent-primary);
  outline-offset: 2px;
}

/* Skip to main content link for accessibility */
.navbar__skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--theme-accent-primary);
  color: white;
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  border-radius: var(--radius-md);
  z-index: calc(var(--z-navbar) + 1);
}

.navbar__skip-link:focus {
  top: var(--space-2);
}

[data-theme="light"] .nav-icon-button,
[data-theme="light"] .nav-user-button {
  background: rgba(255, 255, 255, 0.92);
  color: var(--theme-text-secondary);
  border-color: rgba(59, 130, 246, 0.16);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .nav-icon-button:hover,
[data-theme="light"] .nav-user-button:hover {
  color: var(--theme-text-primary);
  border-color: rgba(59, 130, 246, 0.28);
  background: rgba(248, 250, 252, 0.98);
}

[data-theme="light"] .nav-icon-button--active,
[data-theme="light"] .nav-user-button--active {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.26);
}

[data-theme="light"] .nav-icon-badge {
  border-color: rgba(255, 255, 255, 0.98);
}

[data-theme="light"] .nav-dropdown-panel {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(59, 130, 246, 0.14);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.12);
}

[data-theme="light"] .nav-dropdown-head,
[data-theme="light"] .nav-dropdown-footer {
  border-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .nav-dropdown-action {
  color: #2563eb;
}

[data-theme="light"] .nav-dropdown-item:hover {
  background: rgba(59, 130, 246, 0.05);
  border-color: rgba(59, 130, 246, 0.14);
}

[data-theme="light"] .nav-dropdown-item-icon {
  background: rgba(59, 130, 246, 0.08);
  color: #2563eb;
}

[data-theme="light"] .navbar__theme-toggle {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(59, 130, 246, 0.16);
  color: var(--theme-text-secondary);
}

[data-theme="light"] .navbar__theme-toggle:hover {
  background: rgba(248, 250, 252, 0.98);
  border-color: rgba(59, 130, 246, 0.26);
}