@media (min-width: 1024px) {
  body {
    background: var(--enterprise-bg);
    color: var(--enterprise-text);
    font-family: var(--enterprise-font);
  }

  .sidebar {
    width: var(--enterprise-sidebar-width);
    background: var(--enterprise-sidebar);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: none;
    z-index: 1025;
  }

  .sidebar-header {
    min-height: var(--enterprise-header-height);
    padding: 0 18px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .sidebar-header > .d-flex {
    width: 100%;
  }

  .sidebar-header h3 {
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0;
    color: #f9fafb;
  }

  .sidebar-toggle-btn {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: transparent;
    color: #cbd5e1;
    transition: background-color 180ms var(--enterprise-ease), color 180ms var(--enterprise-ease);
  }

  .sidebar-toggle-btn:hover,
  .sidebar-toggle-btn:focus-visible {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    outline: none;
  }

  .sidebar-menu {
    padding: 12px 10px 16px;
  }

  .menu-divider {
    margin: 14px 8px 10px;
    background: rgba(255, 255, 255, 0.08);
  }

  .menu-header {
    padding: 8px 12px 6px;
    color: #94a3b8;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
  }

  .menu-item {
    min-height: 48px;
    margin: 2px 0;
    padding: 0 12px;
    gap: 12px;
    border-radius: 8px;
    color: #cbd5e1;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0;
    transition:
      background-color 180ms var(--enterprise-ease),
      color 180ms var(--enterprise-ease),
      box-shadow 180ms var(--enterprise-ease);
  }

  .menu-item::before,
  .menu-item.active::after {
    display: none;
  }

  .menu-item:hover,
  .menu-item:focus-visible {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    transform: none;
    outline: none;
  }

  .menu-item:active {
    background: rgba(255, 255, 255, 0.12);
  }

  .menu-item.active {
    background: var(--enterprise-accent);
    color: #ffffff;
    box-shadow: none;
  }

  .menu-item i {
    width: 20px;
    height: 20px;
    font-size: 0.95rem;
    color: inherit;
    opacity: 0.92;
  }

  .menu-item span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .company-info {
    padding: 12px;
    background: var(--enterprise-sidebar-subtle);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .company-name {
    min-height: 40px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #e5e7eb;
    font-size: 0.78rem;
    line-height: 1.25;
  }

  .sidebar.collapsed {
    width: var(--enterprise-sidebar-collapsed-width);
  }

  .sidebar.collapsed .menu-item {
    justify-content: center;
    padding: 0;
  }

  .modern-header {
    left: var(--enterprise-sidebar-width);
    height: var(--enterprise-header-height);
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--enterprise-border);
    box-shadow: none;
    padding: 0 24px;
    backdrop-filter: blur(14px);
  }

  .header {
    display: none !important;
  }

  .modern-header {
    display: flex !important;
  }

  .sidebar.collapsed ~ .modern-header {
    left: var(--enterprise-sidebar-collapsed-width);
  }

  .modern-breadcrumb {
    gap: 8px;
  }

  .modern-breadcrumb-item {
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    color: var(--enterprise-muted);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0;
  }

  .modern-breadcrumb-item.active {
    color: var(--enterprise-text);
    font-weight: 700;
  }

  .modern-breadcrumb-item:hover,
  .modern-breadcrumb-item:focus-visible {
    color: var(--enterprise-accent);
    outline: none;
  }

  .modern-header-search-btn,
  .modern-notification-btn {
    display: none;
  }

  .modern-header-divider {
    display: none;
  }

  .modern-header-user-menu {
    min-height: 48px;
    padding: 4px 8px 4px 6px;
    border: 1px solid transparent;
    border-radius: 8px;
    transition:
      background-color 180ms var(--enterprise-ease),
      border-color 180ms var(--enterprise-ease);
  }

  .modern-header-user-menu:hover,
  .modern-header-user-menu:focus-visible {
    background: #f3f5f7;
    border-color: var(--enterprise-border);
    outline: none;
  }

  .modern-header-avatar {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--enterprise-border);
  }

  .modern-header-username {
    color: var(--enterprise-text);
    font-size: 0.875rem;
    font-weight: 700;
  }

  .modern-header-user-role {
    color: var(--enterprise-muted);
    font-size: 0.72rem;
  }

  .main-content {
    margin-left: var(--enterprise-sidebar-width);
    width: calc(100vw - var(--enterprise-sidebar-width));
    max-width: calc(100vw - var(--enterprise-sidebar-width));
    box-sizing: border-box;
    padding: calc(var(--enterprise-header-height) + 24px) 28px 32px;
    background: var(--enterprise-bg);
    transition: margin-left 250ms var(--enterprise-ease);
  }

  .sidebar.collapsed ~ .main-content {
    margin-left: var(--enterprise-sidebar-collapsed-width);
    width: calc(100vw - var(--enterprise-sidebar-collapsed-width));
    max-width: calc(100vw - var(--enterprise-sidebar-collapsed-width));
  }

  .flash-messages-container {
    left: calc(var(--enterprise-sidebar-width) + 24px);
    right: 24px;
  }

  .sidebar.collapsed ~ .flash-messages-container {
    left: calc(var(--enterprise-sidebar-collapsed-width) + 24px);
  }
}