/* Terminal Navigation */
.terminal-nav {
  position: fixed;
  top: 4rem;
  left: 0;
  height: calc(100vh - 4rem);
  width: 16rem;
  background: rgba(2, 6, 23, 0.95);
  border-right: 1px solid var(--terminal-border);
  box-shadow: none;
  z-index: var(--z-nav);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(34, 211, 238, 0.3) rgba(2, 6, 23, 0.95);
}

.terminal-nav-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--terminal-dim);
  position: relative;
}

.terminal-nav-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--terminal-primary), var(--terminal-secondary), var(--terminal-primary));
  box-shadow: none;
  animation: none;
}

.terminal-nav-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  font-family: var(--terminal-font-mono);
  color: var(--terminal-primary);
  text-shadow: none;
  margin-bottom: 0.25rem;
  letter-spacing: 0.1em;
}

.terminal-nav-subtitle {
  font-size: var(--fs-2xs);
  color: var(--terminal-dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* Nav Items */
.terminal-nav-item {
  display: flex;
  align-items: center;
  padding: 0.875rem 1.5rem;
  color: var(--terminal-text);
  text-decoration: none;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
  font-size: var(--fs-md);
  margin: 0.125rem 0.5rem;
}

.terminal-nav-item:hover {
  background: rgba(34, 211, 238, 0.05);
  color: var(--terminal-primary);
  border-left-color: var(--terminal-primary);
}

.terminal-nav-item.active {
  background: rgba(34, 211, 238, 0.1);
  color: var(--terminal-primary);
  border-left-color: var(--terminal-primary);
  box-shadow: inset 0 0 20px rgba(34, 211, 238, 0.1);
}

.terminal-nav-item svg {
  width: 1.5rem;
  height: 1.5rem;
  margin-right: 0.75rem;
}

/* Terminal Navigation Icon Button (for print icons, etc.) */
.terminal-nav-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: var(--terminal-zinc-500);
  text-decoration: none;
  transition: all 0.2s ease;
  border-radius: 0.25rem;
  margin-right: 0.5rem;
}

.terminal-nav-icon-btn:hover {
  color: var(--terminal-primary);
  background: rgba(34, 211, 238, 0.1);
}

.terminal-nav-icon-btn svg {
  width: 1rem;
  height: 1rem;
}

/* Terminal App Header */
.terminal-app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4rem;
  background: rgba(2, 6, 23, 0.95);
  border-bottom: 1px solid var(--terminal-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  z-index: var(--z-header);
  backdrop-filter: blur(10px);
}

.terminal-app-header::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--terminal-border-hover), transparent);
  box-shadow: none;
  animation: none;
}

.terminal-app-header-brand {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.terminal-app-header-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  font-family: var(--terminal-font-mono);
  color: var(--terminal-primary);
  text-shadow: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.terminal-app-header-subtitle {
  font-size: var(--fs-base);
  color: var(--terminal-dim);
  letter-spacing: 0.05em;
}

/* App Header User Menu */
.terminal-app-header-user {
  position: relative;
}

.terminal-app-header-user-trigger {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: transparent;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 0;
  color: var(--terminal-text);
}

.terminal-app-header-user-trigger:hover {
  box-shadow: none;
  background: rgba(34, 211, 238, 0.08);
}

.terminal-app-header-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--terminal-secondary), var(--terminal-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--terminal-bg);
  border: 1.5px solid var(--terminal-border-hover);
  box-shadow: none;
  overflow: hidden;
  flex-shrink: 0;
}

.terminal-app-header-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.terminal-app-header-user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.125rem;
}

.terminal-app-header-user-name {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--terminal-primary);
  line-height: 1;
}

.terminal-app-header-user-role {
  font-size: var(--fs-xs);
  color: var(--terminal-dim);
  line-height: 1;
}

.terminal-app-header-chevron {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--terminal-dim);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.terminal-app-header-user-trigger:hover .terminal-app-header-chevron {
  color: var(--terminal-primary);
  transform: translateY(2px);
}

.terminal-app-header-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 12rem;
  background: rgba(2, 6, 23, 0.98);
  border: 1px solid var(--terminal-border-hover);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: var(--z-dropdown);
  backdrop-filter: blur(10px);
}

.terminal-app-header-dropdown.hidden {
  display: none;
}

.terminal-app-header-menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--terminal-text);
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  font-size: var(--fs-base);
  border-left: 2px solid transparent;
}

.terminal-app-header-menu-item:hover {
  background: rgba(34, 211, 238, 0.1);
  color: var(--terminal-primary);
  border-left-color: var(--terminal-primary);
}

.terminal-app-header-menu-item.sign-out:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--terminal-red-500);
  border-left-color: var(--terminal-red-500);
}

.terminal-app-header-menu-item svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.terminal-app-header-menu-divider {
  height: 1px;
  background: var(--terminal-dim);
  margin: 0.5rem 0;
}

/* Header Impersonation Indicator */
.terminal-header-impersonation {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.375rem 1rem;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.15) 100%);
  border: 1px solid var(--terminal-warning);
  border-radius: 9999px;
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.3);
  animation: impersonation-pulse 2s ease-in-out infinite;
}

@keyframes impersonation-pulse {
  0%, 100% { box-shadow: 0 0 10px rgba(245, 158, 11, 0.3); }
  50% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.5); }
}

.terminal-header-impersonation svg {
  color: var(--terminal-warning-text);
  flex-shrink: 0;
}

.terminal-header-impersonation span {
  font-size: var(--fs-sm);
  color: var(--terminal-warning-text);
  white-space: nowrap;
}

.terminal-header-impersonation strong {
  color: var(--terminal-warning-strong);
  font-weight: 700;
}

.terminal-header-impersonation-stop {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  color: var(--terminal-warning-text);
  background: transparent;
  border: 1px solid var(--terminal-warning);
  border-radius: 0.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.terminal-header-impersonation-stop:hover {
  background: linear-gradient(135deg, var(--terminal-warning), var(--terminal-amber-700));
  color: var(--terminal-indigo-950);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

/* Main Content */
.terminal-main {
  margin-left: 16rem;
  margin-top: 4rem;
  min-height: calc(100vh - 4rem);
  padding: 2rem;
  position: relative;
  z-index: var(--z-content);
}

/* Terminal Header */
.terminal-header {
  border: 1px solid var(--terminal-border);
  border-radius: 0.5rem;
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
  background: rgba(2, 6, 23, 0.8);
  box-shadow: none;
  position: relative;
}

.terminal-header::before {
  display: none;
}

.terminal-page-title {
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--terminal-primary);
  text-shadow: none;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.terminal-page-subtitle {
  color: var(--terminal-dim);
  font-size: var(--fs-base);
  letter-spacing: 0.05em;
}

/* Navigation Utility Classes */
.terminal-nav-list {
  padding: 0;
  margin: 1rem 0;
  list-style: none;
}

.terminal-nav-badge-count {
  margin-left: auto;
  background: linear-gradient(135deg, var(--terminal-error), var(--terminal-rose-700));
  color: #fff;
  font-size: var(--fs-2xs);
  font-weight: 700;
  padding: 0.125rem 0.375rem;
  border-radius: 9999px;
  min-width: 1.25rem;
  text-align: center;
}

.terminal-nav-section-divider {
  margin: 2rem 1rem 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--terminal-dim);
}

.terminal-nav-section-divider-operator {
  margin: 2rem 1rem 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--terminal-purple);
}

.terminal-nav-section-label {
  font-size: var(--fs-2xs);
  color: var(--terminal-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0 0.5rem;
  margin-bottom: 0.5rem;
}

.terminal-nav-section-label-operator {
  font-size: var(--fs-2xs);
  color: var(--terminal-purple);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0 0.5rem;
  margin-bottom: 0.5rem;
}

.terminal-nav-sub-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.terminal-nav-sub-item {
  padding-left: 2rem;
  font-size: var(--fs-sm);
}

.terminal-nav-sub-divider {
  padding: 0.5rem 2rem 0.25rem;
}

.terminal-nav-sub-divider-label {
  font-size: var(--fs-2xs);
  color: var(--terminal-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.terminal-nav-collapsible-wrapper {
  padding: 0.5rem 0.75rem;
}

/* ============================================
   MEDIUM SCREENS - Collapsed Sidebar (1025-1280px)
   ============================================ */

@media (min-width: 1025px) and (max-width: 1280px) {
  .terminal-nav {
    width: 4.5rem;
    transition: width 0.25s ease;
  }

  .terminal-nav:hover {
    width: 16rem;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.4);
  }

  /* Hide nav header when collapsed, show on hover */
  .terminal-nav .terminal-nav-header {
    opacity: 0;
    height: 0;
    padding: 0;
    overflow: hidden;
    border: none;
    transition: opacity 0.2s ease;
  }

  .terminal-nav:hover .terminal-nav-header {
    opacity: 1;
    height: auto;
    padding: 1.5rem;
    border-bottom: 1px solid var(--terminal-dim);
  }

  /* Center icons when collapsed */
  .terminal-nav .terminal-nav-item {
    justify-content: center;
    padding: 0.875rem;
    margin: 0.125rem 0.25rem;
    border-left: none;
    white-space: nowrap;
  }

  .terminal-nav:hover .terminal-nav-item {
    justify-content: flex-start;
    padding: 0.875rem 1.5rem;
    margin: 0.125rem 0.5rem;
    border-left: 3px solid transparent;
  }

  /* Remove icon margin when collapsed, restore on hover */
  .terminal-nav .terminal-nav-item svg {
    margin-right: 0;
    flex-shrink: 0;
  }

  .terminal-nav:hover .terminal-nav-item svg {
    margin-right: 0.75rem;
  }

  /* Hide text labels and badge counts when collapsed */
  .terminal-nav .terminal-nav-item > span,
  .terminal-nav .terminal-nav-badge-count {
    display: none;
  }

  .terminal-nav:hover .terminal-nav-item > span,
  .terminal-nav:hover .terminal-nav-badge-count {
    display: inline;
  }

  /* Active state when collapsed - background only, no left border */
  .terminal-nav .terminal-nav-item.active {
    background: rgba(34, 211, 238, 0.1);
    border-left: none;
  }

  .terminal-nav:hover .terminal-nav-item.active {
    background: rgba(34, 211, 238, 0.1);
    border-left: 3px solid var(--terminal-primary);
  }

  /* Hide admin sections when collapsed */
  .terminal-nav .terminal-nav-section-divider,
  .terminal-nav .terminal-nav-section-divider-operator,
  .terminal-nav .terminal-nav-collapsible-wrapper {
    display: none;
  }

  .terminal-nav:hover .terminal-nav-section-divider,
  .terminal-nav:hover .terminal-nav-section-divider-operator {
    display: list-item;
  }

  .terminal-nav:hover .terminal-nav-collapsible-wrapper {
    display: list-item;
  }

  /* Adjust main content area margin */
  .terminal-main {
    margin-left: 4.5rem;
  }

  /* Adjust impersonation banner position */
  .terminal-impersonation-banner {
    left: 4.5rem;
  }
}

/* ============================================
   HAMBURGER BUTTON (hidden on desktop)
   ============================================ */

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

.terminal-app-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ============================================
   MOBILE NAV BACKDROP (hidden by default)
   ============================================ */

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

/* ============================================
   RESPONSIVE - MOBILE (<1024px)
   ============================================ */

@media (max-width: 1024px) {
  /* Hamburger button - visible on mobile */
  .mobile-nav-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    background: transparent;
    border: 1px solid rgba(34, 211, 238, 0.3);
    border-radius: 0.375rem;
    color: var(--terminal-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
  }

  .mobile-nav-hamburger:hover,
  .mobile-nav-hamburger:focus-visible {
    border-color: var(--terminal-primary);
    background: rgba(34, 211, 238, 0.1);
    box-shadow: 0 0 12px var(--terminal-glow);
    outline: none;
  }

  /* Header adjustments */
  .terminal-app-header {
    padding: 0 0.75rem;
  }

  .terminal-app-header-subtitle {
    display: none;
  }

  .terminal-app-header-user-info {
    display: none;
  }

  .terminal-app-header-chevron {
    display: none;
  }

  .terminal-app-header-avatar {
    width: 2rem;
    height: 2rem;
    font-size: var(--fs-xs);
  }

  .terminal-app-header-dropdown {
    right: 0;
    min-width: 14rem;
  }

  /* Off-canvas sidebar */
  .terminal-nav {
    position: fixed;
    top: 4rem;
    left: 0;
    bottom: 0;
    width: 17rem;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: var(--z-nav);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .terminal-nav.mobile-nav-open {
    transform: translateX(0);
  }

  /* Backdrop overlay */
  .mobile-nav-backdrop {
    display: block;
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(2, 6, 23, 0.7);
    z-index: var(--z-mobile-backdrop);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .mobile-nav-backdrop.mobile-nav-backdrop-visible {
    opacity: 1;
    pointer-events: auto;
  }

  /* Main content - no sidebar margin */
  .terminal-main {
    margin-left: 0;
    padding: 4.5rem 1rem 1rem 1rem;
  }

  /* Grid adjustments */
  .terminal-grid-2,
  .terminal-grid-3 {
    grid-template-columns: 1fr;
  }

  .profile-picture-upload {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }

  .profile-picture-img,
  .profile-picture-placeholder {
    width: 6rem;
    height: 6rem;
  }

  .profile-picture-placeholder {
    font-size: var(--fs-2xl);
  }
}

/* ================================
   Impersonation Banner Styles
   ================================ */

.terminal-impersonation-banner {
  position: fixed;
  top: 4rem;  /* Below header */
  left: 16rem;  /* After navigation */
  right: 0;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(217, 119, 6, 0.1) 100%);
  border-bottom: 2px solid var(--terminal-warning);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
  padding: 0.75rem 2rem;
  z-index: var(--z-mobile-backdrop);
  animation: pulse-warning 2s ease-in-out infinite;
}

@keyframes pulse-warning {
  0%, 100% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.3); }
  50% { box-shadow: 0 0 30px rgba(245, 158, 11, 0.5); }
}

.terminal-impersonation-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.terminal-impersonation-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--terminal-warning-text);
  flex-shrink: 0;
}

.terminal-impersonation-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-base);
  color: var(--terminal-warning-text);
  text-shadow: 0 0 10px rgba(251, 191, 36, 0.5);
}

.terminal-impersonation-text strong {
  color: var(--terminal-warning-strong);
  font-weight: 700;
}

.terminal-impersonation-stop-btn {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--terminal-warning-text);
  border: 2px solid var(--terminal-warning);
  padding: 0.5rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s ease;
}

.terminal-impersonation-stop-btn:hover {
  background: linear-gradient(135deg, var(--terminal-warning), var(--terminal-amber-700));
  color: var(--terminal-indigo-950);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.5);
}

/* Impersonation indicator lives inside the header (no separate banner) */

@media (max-width: 1024px) {
  .terminal-impersonation-banner {
    left: 0;
  }
}

/* ================================
   Slack-Style Messaging Layout
   ================================ */

.messaging-container {
  display: flex;
  height: calc(100vh - 4rem);
  margin-left: -2rem;
  margin-right: -2rem;
  margin-top: -2rem;
  margin-bottom: -2rem;
  overflow: hidden;
}

.messaging-sidebar {
  width: 280px;
  min-width: 280px;
  background: rgba(2, 6, 23, 0.95);
  border-right: 1px solid rgba(34, 211, 238, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(34, 211, 238, 0.3) rgba(15, 23, 42, 0.5);
}

.messaging-sidebar::-webkit-scrollbar {
  width: 6px;
}

.messaging-sidebar::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.5);
}

.messaging-sidebar::-webkit-scrollbar-thumb {
  background: rgba(34, 211, 238, 0.3);
  border-radius: 3px;
}

.messaging-sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(34, 211, 238, 0.5);
}

.messaging-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.3);
}

.messaging-content-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.messaging-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(34, 211, 238, 0.15);
  background: rgba(2, 6, 23, 0.6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.messaging-header-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--terminal-primary);
  text-shadow: 0 0 10px rgba(34, 211, 238, 0.3);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.messaging-header-subtitle {
  font-size: var(--fs-sm);
  color: var(--terminal-text-muted);
  margin-top: 0.25rem;
}

.messaging-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(34, 211, 238, 0.3) rgba(15, 23, 42, 0.5);
}

.messaging-messages::-webkit-scrollbar {
  width: 8px;
}

.messaging-messages::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.5);
}

.messaging-messages::-webkit-scrollbar-thumb {
  background: rgba(34, 211, 238, 0.3);
  border-radius: 4px;
}

.messaging-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(34, 211, 238, 0.5);
}

.messaging-input {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid rgba(34, 211, 238, 0.15);
  background: rgba(2, 6, 23, 0.6);
  flex-shrink: 0;
}

/* Sidebar item hover effects */
.sidebar-conversation-item:hover,
.sidebar-user-item:hover {
  background: rgba(34, 211, 238, 0.08) !important;
}

/* Message hover effects (Slack-style) */
.message-item {
  position: relative;
  padding: 0.5rem 1rem;
  margin: 0 -1rem;
  border-radius: 0.25rem;
  transition: background-color 0.1s ease;
}

.message-item:hover {
  background: rgba(34, 211, 238, 0.04);
}

.message-item .message-actions {
  position: absolute;
  top: 0.25rem;
  right: 0.5rem;
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  transition: opacity 0.15s ease;
  background: rgba(2, 6, 23, 0.95);
  border: 1px solid rgba(34, 211, 238, 0.2);
  padding: 0.25rem 0.375rem;
  border-radius: 0.375rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.message-item:hover .message-actions {
  opacity: 1;
}

.message-action-btn {
  background: none;
  border: none;
  color: var(--terminal-text-muted);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: var(--fs-xs);
  border-radius: 0.25rem;
  transition: all 0.15s ease;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.message-action-btn:hover {
  background: rgba(34, 211, 238, 0.15);
  color: var(--terminal-primary);
}

.message-action-btn.delete:hover {
  background: rgba(251, 113, 133, 0.15);
  color: var(--terminal-error-text);
}

/* Empty conversation state */
.messaging-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  text-align: center;
}

.messaging-empty-icon {
  width: 80px;
  height: 80px;
  border: 2px solid rgba(34, 211, 238, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  background: rgba(15, 23, 42, 0.5);
}

.messaging-empty-icon svg {
  width: 36px;
  height: 36px;
  color: var(--terminal-dim);
}

.messaging-empty-title {
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--terminal-text-dim);
  margin-bottom: 0.5rem;
}

.messaging-empty-subtitle {
  font-size: var(--fs-base);
  color: var(--terminal-text-muted);
  max-width: 280px;
  line-height: 1.5;
}

/* Participants bar for group chats */
.messaging-participants {
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid rgba(34, 211, 238, 0.1);
  background: rgba(15, 23, 42, 0.4);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.messaging-participants-label {
  font-size: var(--fs-xs);
  color: var(--terminal-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.messaging-participant-chip {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.5rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--terminal-dim);
  font-size: var(--fs-xs);
  color: var(--terminal-text-light);
}

.messaging-participant-avatar {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  border: 1px solid var(--terminal-primary);
  object-fit: cover;
}

.messaging-participant-avatar-placeholder {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--terminal-dim), var(--terminal-cyan-700));
  border: 1px solid var(--terminal-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-micro);
  font-weight: 700;
  color: var(--terminal-bg);
}

/* ================================
   Messaging Sidebar Components
   ================================ */

.messaging-sidebar-header {
  padding: 1.25rem;
  border-bottom: 1px solid rgba(34, 211, 238, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.messaging-sidebar-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--fs-lg);
  font-weight: 700;
  text-shadow: 0 0 10px rgba(34, 211, 238, 0.3);
}

.messaging-sidebar-new-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--terminal-primary);
  background: rgba(34, 211, 238, 0.1);
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.2);
  color: var(--terminal-primary);
}

.messaging-sidebar-new-btn:hover {
  background: rgba(34, 211, 238, 0.25);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.4);
}

.messaging-sidebar-scroll {
  flex: 1;
  overflow-y: auto;
}

.messaging-sidebar-section {
  padding: 1rem 0.75rem 0.5rem;
}

.messaging-sidebar-section-bordered {
  padding: 1rem 0.75rem 0.5rem;
  border-top: 1px solid rgba(34, 211, 238, 0.1);
}

.messaging-sidebar-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  margin-bottom: 0.125rem;
  text-decoration: none;
  transition: all 0.15s;
  background: transparent;
  border-left: 2px solid transparent;
}

.messaging-sidebar-item.active {
  background: rgba(34, 211, 238, 0.15);
  border-left-color: var(--terminal-primary);
}

.messaging-sidebar-avatar {
  position: relative;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(8, 145, 178, 0.3));
  border: 1.5px solid var(--terminal-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-2xs);
  font-weight: 700;
}

.messaging-sidebar-avatar.unread {
  border-color: var(--terminal-primary);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.4);
}

.messaging-sidebar-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.messaging-sidebar-text-area {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.messaging-sidebar-name {
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--terminal-text-light);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.messaging-sidebar-name.unread {
  font-weight: 600;
  color: var(--terminal-primary);
}

.messaging-sidebar-badge {
  background: linear-gradient(135deg, #22d3ee, #06b6d4);
  color: var(--terminal-bg);
  font-size: var(--fs-2xs);
  font-weight: 700;
  padding: 0.125rem 0.375rem;
  border-radius: 9999px;
  min-width: 1rem;
  text-align: center;
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.5);
}

.messaging-sidebar-empty {
  padding: 0.75rem 0.5rem;
  font-size: var(--fs-sm);
  font-style: italic;
}

/* All Members section items */
.messaging-sidebar-member {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  margin-bottom: 0.125rem;
  text-decoration: none;
  transition: all 0.15s;
  background: transparent;
  border-left: 2px solid transparent;
}

.messaging-sidebar-member.active {
  background: rgba(34, 211, 238, 0.15);
  border-left-color: var(--terminal-primary);
}

.messaging-sidebar-member.existing {
  opacity: 0.6;
}

.messaging-sidebar-member-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  margin-bottom: 0.125rem;
  text-decoration: none;
  transition: all 0.15s;
  background: transparent;
  border: none;
  border-left: 2px solid transparent;
  width: 100%;
  cursor: pointer;
  font-family: inherit;
}

.messaging-sidebar-member-avatar {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.15), rgba(8, 145, 178, 0.25));
  border: 1px solid var(--terminal-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-micro);
  font-weight: 700;
}

.messaging-sidebar-member-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.messaging-sidebar-member-name {
  flex: 1;
  font-size: var(--fs-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.messaging-sidebar-role-badge {
  font-size: var(--fs-micro);
  padding: 0.125rem 0.25rem;
  border: 1px solid var(--terminal-dim);
  opacity: 0.7;
}

/* Responsive adjustments for messaging */
@media (max-width: 1024px) {
  .messaging-sidebar {
    width: 240px;
    min-width: 240px;
  }
}

@media (max-width: 768px) {
  .messaging-container {
    flex-direction: column;
  }

  .messaging-sidebar {
    width: 100%;
    min-width: 100%;
    max-height: 40vh;
    border-right: none;
    border-bottom: 1px solid rgba(34, 211, 238, 0.2);
  }

  .messaging-content {
    max-height: 60vh;
  }
}