.ai-fab {
  position: fixed;
  right: 24px;
  bottom: 84px;
  z-index: 24;
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 8px;
  background: var(--primary);
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.26);
  color: #fff;
  font-weight: 850;
  padding: 0 14px;
}

.ai-fab:hover {
  background: var(--green-dark);
}

.ai-panel {
  position: fixed;
  top: 72px;
  right: 22px;
  bottom: 22px;
  z-index: 23;
  display: grid;
  width: min(420px, calc(100vw - 44px));
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 12px;
  transform: translateX(calc(100% + 32px));
  border: 1px solid rgba(148, 163, 184, 0.42);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
  opacity: 0;
  padding: 14px;
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.ai-panel.is-open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.ai-panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.ai-panel-head h2 {
  margin: 0;
  font-size: 17px;
  letter-spacing: 0;
}

.ai-panel-head p,
.ai-ticket-context {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.ai-ticket-context {
  overflow-wrap: anywhere;
  font-weight: 750;
}

.ai-message-list {
  display: grid;
  align-content: start;
  gap: 10px;
  overflow: auto;
  padding-right: 2px;
}

.ai-state {
  display: grid;
  min-height: 150px;
  place-items: center;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--muted);
  padding: 16px;
  text-align: center;
}

.ai-message {
  display: grid;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  padding: 10px;
}

.ai-message.is-user {
  border-color: rgba(37, 99, 235, 0.22);
  background: var(--primary-weak);
}

.ai-message.is-error {
  border-color: rgba(194, 65, 54, 0.28);
  background: var(--danger-weak);
}

.ai-message strong {
  font-size: 12px;
}

.ai-message p {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.ai-form {
  display: grid;
  gap: 10px;
}

.ai-form textarea {
  min-height: 92px;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 84px minmax(0, 1fr);
  }

  .brand div,
  .language-switch span,
  .nav-item span,
  .sidebar-footer span:last-child {
    display: none;
  }

  .language-switch {
    width: 48px;
    justify-content: center;
  }

  .nav-item {
    position: relative;
    justify-content: center;
  }

  .nav-item .nav-unread-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    margin-left: 0;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    font-size: 10px;
  }

  .ticket-layout,
  .device-grid,
  .admin-company-layout,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .ticket-detail {
    position: static;
  }
}

@media (max-width: 760px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: 12px;
  }

  .brand div,
  .language-switch span,
  .nav-item span {
    display: block;
  }

  .language-switch {
    width: auto;
  }

  .brand span:not(.brand-mark),
  .sidebar-footer {
    display: none;
  }

  .nav-list {
    grid-auto-flow: column;
    overflow-x: auto;
  }

  .nav-item {
    white-space: nowrap;
  }

  .workspace {
    padding: 12px;
  }

  .topbar {
    margin-bottom: 12px;
  }

  .hero-overlay,
  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-overlay {
    justify-content: end;
    padding: 20px;
  }

  .stats-grid,
  .filters,
  .form-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .span-2 {
    grid-column: auto;
  }

  .toolbar {
    align-items: stretch;
  }

  .search-box {
    min-width: 0;
    flex: 1;
  }
}

@media (max-width: 520px) {
  .sidebar {
    display: grid;
    grid-template-columns: 42px 1fr;
  }

  .nav-list {
    min-width: 0;
  }

  .language-switch {
    grid-column: 2;
    justify-self: start;
  }

  .nav-item {
    width: max-content;
  }

  .ticket-row-top,
  .ticket-row-meta,
  .detail-title,
  .status-editor {
    align-items: flex-start;
    flex-direction: column;
  }

  .primary-action,
  .secondary-action,
  .danger-action {
    width: 100%;
  }

  .toast {
    right: 16px;
    bottom: 16px;
  }

  .form-actions {
    flex-direction: column-reverse;
  }
}