/* ==========================================================================
   VORTEX-SDN Topbar Header & Dropdowns
   ========================================================================== */

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
  min-width: 0;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.topbar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  white-space: nowrap;
  user-select: none;
  min-width: 0;
}

.breadcrumb-root {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.9px;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.06);
  border: 1px solid rgba(0, 242, 254, 0.18);
  padding: 2px 7px;
  border-radius: 4px;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.breadcrumb-root:hover {
  background: rgba(0, 242, 254, 0.12);
  border-color: rgba(0, 242, 254, 0.35);
  box-shadow: 0 0 8px rgba(0, 242, 254, 0.12);
}

.breadcrumb-separator {
  color: rgba(255, 255, 255, 0.2);
  font-size: 13px;
  font-weight: 300;
  margin: 0 1px;
  flex-shrink: 0;
}

.breadcrumb-current {
  color: var(--text-primary);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.15px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 220px;
}

/* Center Global Search Trigger — Enterprise Cisco NOC Command Search */
.topbar-center {
  flex: 0 1 380px;
  max-width: 400px;
  min-width: 180px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-trigger-btn {
  width: 100%;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 9px;
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.1px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
  user-select: none;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.search-trigger-content {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
  overflow: hidden;
  margin-right: 10px;
}

.search-trigger-icon {
  width: 18px;
  height: 18px;
  color: var(--accent-cyan);
  opacity: 0.8;
  flex-shrink: 0;
  stroke-width: 2.2;
  transition: opacity 0.18s ease, color 0.18s ease;
}

.search-trigger-placeholder {
  color: var(--text-secondary);
  font-size: 12.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.18s ease;
}

.search-trigger-btn:hover {
  background: var(--bg-card);
  border-color: rgba(0, 242, 254, 0.35);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), 0 0 12px rgba(0, 242, 254, 0.06);
}

.search-trigger-btn:hover .search-trigger-icon {
  opacity: 1;
  color: var(--accent-cyan);
}

.search-trigger-btn:hover .search-trigger-placeholder {
  color: var(--text-primary);
}

.search-trigger-btn:focus-visible {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.18), 0 0 14px rgba(0, 242, 254, 0.1);
}

.search-shortcut-kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 7px;
  height: 22px;
  background: rgba(7, 10, 19, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 5px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  letter-spacing: 0.4px;
  flex-shrink: 0;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.search-trigger-btn:hover .search-shortcut-kbd {
  border-color: rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.06);
}

/* Right Status Indicators & User Menu */
.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.status-pill-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  font-size: 10.5px;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  white-space: nowrap;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
}

.status-dot.green {
  background-color: var(--status-success);
  box-shadow: 0 0 6px var(--status-success);
}

.status-dot.yellow {
  background-color: var(--status-warning);
  box-shadow: 0 0 6px var(--status-warning);
}

.status-dot.red {
  background-color: var(--status-danger);
  box-shadow: 0 0 6px var(--status-danger);
}

.topbar-clock {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  padding: 4px 8px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
}

/* Notification Popover */
.notif-btn-wrapper {
  position: relative;
}

.topbar-icon-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.topbar-icon-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.notif-badge-bubble {
  position: absolute;
  top: -3px;
  right: -3px;
  background: var(--status-danger);
  color: #ffffff;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-surface);
}

#notif-popover {
  display: none;
  position: absolute;
  top: 42px;
  right: 0;
  width: 360px;
  max-width: 90vw;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.6);
  z-index: var(--z-popover);
  overflow: hidden;
}

#notif-popover.open {
  display: block;
  animation: fadeIn 0.15s ease;
}

.notif-popover-header {
  padding: 10px 14px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.notif-header-action-btn {
  background: none;
  border: none;
  color: var(--accent-cyan);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.notif-header-action-btn:hover {
  opacity: 0.8;
  text-decoration: underline;
}

#notif-popover-list {
  max-height: 340px;
  overflow-y: auto;
}

.notif-item {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  transition: background var(--transition-fast);
}

.notif-item:last-child {
  border-bottom: none;
}

.notif-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.notif-item.unread {
  background: rgba(0, 242, 254, 0.04);
  border-left: 3px solid var(--accent-cyan);
}

.notif-item.read {
  opacity: 0.8;
}

.notif-item-icon {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.notif-item-icon.critical, .notif-item-icon.high {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.notif-item-icon.medium {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

.notif-item-icon.low, .notif-item-icon.info {
  background: rgba(14, 165, 233, 0.15);
  color: #0ea5e9;
}

.notif-item-body {
  flex: 1;
  min-width: 0;
}

.notif-item-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.notif-item-desc {
  font-size: 11.5px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 6px;
  word-break: break-word;
}

.notif-item-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10.5px;
  color: var(--text-muted);
}

.notif-item-time {
  font-size: 10px;
}

.notif-item-link {
  color: var(--accent-cyan);
  font-size: 10.5px;
  font-weight: 500;
  margin-left: auto;
  text-decoration: none;
}

.notif-item-link:hover {
  text-decoration: underline;
}

.notif-mark-single-btn {
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-muted);
  font-size: 9.5px;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.notif-mark-single-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.notif-empty-state {
  text-align: center;
  padding: 28px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* User Profile Menu & Dropdown */
.profile-menu-wrapper {
  position: relative;
}

.profile-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 3px 6px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  user-select: none;
}

.profile-trigger:hover {
  background: var(--bg-card);
  border-color: var(--border-medium);
}

#profile-dropdown-menu {
  display: none;
  position: absolute;
  top: 42px;
  right: 0;
  width: 220px;
  max-width: calc(100vw - 16px);
  box-sizing: border-box;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-popover);
  padding: 6px 0;
}

#profile-dropdown-menu.open {
  display: block;
  animation: fadeIn 0.15s ease;
}

.profile-dropdown-header {
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 4px;
}

.dropdown-user-name {
  font-weight: 700;
  font-size: 13px;
  color: var(--text-primary);
}

.dropdown-user-email {
  font-size: 11px;
  color: var(--text-muted);
}

.profile-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 12.5px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.profile-dropdown-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.profile-dropdown-item.danger {
  color: #f87171;
}

.profile-dropdown-item.danger:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #ffffff;
}

/* Quick NOC Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
  outline: none;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.theme-toggle-btn .icon-sun {
  display: none;
}

.theme-toggle-btn .icon-moon {
  display: inline-block;
}

[data-theme="light"] .theme-toggle-btn .icon-sun {
  display: inline-block;
  color: #d97706;
}

[data-theme="light"] .theme-toggle-btn .icon-moon {
  display: none;
}

/* ==========================================================================
   Light Mode Topbar Header & Dropdowns
   ========================================================================== */
[data-theme="light"] #topbar {
  background: #ffffff;
  border-bottom: 1px solid #d8e1ec;
}

[data-theme="light"] .breadcrumb-separator {
  color: #94a3b8;
}

[data-theme="light"] .breadcrumb-current {
  color: #0f172a;
}

[data-theme="light"] .breadcrumb-root {
  color: #0284c7;
  background: #e0f2fe;
  border-color: #bae6fd;
}

[data-theme="light"] .search-trigger-btn {
  background: #f8fafd;
  border: 1px solid #d8e1ec;
  box-shadow: none;
}

[data-theme="light"] .search-trigger-btn:hover {
  background: #ffffff;
  border-color: #0284c7;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
}

[data-theme="light"] .search-trigger-placeholder {
  color: #64748b;
}

[data-theme="light"] .search-trigger-icon {
  color: #0284c7;
  opacity: 1;
}

[data-theme="light"] .search-shortcut-kbd {
  background: #f1f5f9;
  border: 1px solid #d8e1ec;
  color: #475569;
  box-shadow: none;
}

[data-theme="light"] .status-pill {
  background: #f8fafd;
  border: 1px solid #d8e1ec;
  color: #0f172a;
}

[data-theme="light"] .topbar-clock {
  background: #f8fafd;
  border: 1px solid #d8e1ec;
  color: #475569;
}

[data-theme="light"] .topbar-icon-btn {
  background: #ffffff;
  border: 1px solid #d8e1ec;
  color: #475569;
}

[data-theme="light"] .topbar-icon-btn:hover {
  background: #f1f5f9;
  border-color: #0284c7;
  color: #0284c7;
}

[data-theme="light"] .theme-toggle-btn {
  background: #ffffff;
  border: 1px solid #d8e1ec;
}

[data-theme="light"] .theme-toggle-btn:hover {
  background: #f1f5f9;
  border-color: #d97706;
}

[data-theme="light"] #profile-trigger-btn {
  background: #f8fafd;
  border: 1px solid #d8e1ec;
}

[data-theme="light"] #profile-trigger-btn:hover {
  background: #ffffff;
  border-color: #0284c7;
}

[data-theme="light"] #profile-dropdown-menu,
[data-theme="light"] #notif-popover {
  background: #ffffff;
  border: 1px solid #d8e1ec;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.12);
}

[data-theme="light"] .profile-dropdown-header,
[data-theme="light"] .notif-popover-header {
  background: #f8fafd;
  border-bottom: 1px solid #e2e8f0;
}

[data-theme="light"] .dropdown-user-name {
  color: #0f172a;
}

[data-theme="light"] .dropdown-user-email {
  color: #64748b;
}

[data-theme="light"] .profile-dropdown-item {
  color: #475569;
}

[data-theme="light"] .profile-dropdown-item:hover {
  background: #f1f5f9;
  color: #0f172a;
}

[data-theme="light"] .notif-item {
  border-bottom: 1px solid #e2e8f0;
}

[data-theme="light"] .notif-item:hover {
  background: #f1f5f9;
}

[data-theme="light"] .notif-item.unread {
  background: #f0fdf4;
}

[data-theme="light"] .notif-item-title {
  color: #0f172a;
}

[data-theme="light"] .notif-item-desc {
  color: #334155;
}

[data-theme="light"] .notif-item-time {
  color: #64748b;
}

[data-theme="light"] .notif-mark-single-btn {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #64748b;
}

[data-theme="light"] .notif-mark-single-btn:hover {
  background: #f1f5f9;
  border-color: #0284c7;
  color: #0284c7;
}

[data-theme="light"] .notif-empty-state {
  color: #64748b;
}