.menu-bar {
      background: var(--bg-secondary);
      border-bottom: 1px solid var(--border-primary);
      box-shadow: var(--shadow-light);
      position: sticky;
      top: 0;
      z-index: 100;
      width: 100%;
    }

    .menu-container {
      max-width: 950px;
      margin: 0 auto;
      padding: 0 var(--spacing-lg);
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 48px;
      gap: var(--spacing-lg);
    }

    // === BRAND SECTION ===
    .menu-brand {
      display: flex;
      align-items: center;
      gap: var(--spacing-md);
      flex-shrink: 0;

      .brand-icon {
        color: var(--text-accent);
        font-size: 18px;
        transition: color 0.2s ease;

        &:hover {
          color: var(--color-primary);
        }
      }

      .brand-text {
        color: var(--text-primary);
        font-weight: 600;
        font-size: 16px;
        letter-spacing: 0.3px;
        white-space: nowrap;

        @media (max-width: 600px) {
          display: none;
        }
      }
    }

    // === NAVIGATION ACTIONS ===
    .menu-actions {
      display: flex;
      gap: var(--spacing-sm);
      align-items: center;
    }

    // === CONNECTION STATUS ===
    .menu-status {
      display: flex;
      align-items: center;
      flex-shrink: 0;
    }

    .menu-btn,
    .menu-link {
      // Reset & Base Styles
      display: flex;
      align-items: center;
      gap: var(--spacing-sm);
      padding: var(--spacing-sm) var(--spacing-md);
      border: 1px solid var(--border-primary);
      border-radius: var(--radius-medium);
      background: transparent;
      color: var(--text-secondary);
      text-decoration: none;
      font-family: inherit;
      font-size: 13px;
      font-weight: 500;
      line-height: 1;
      cursor: pointer;
      transition: all 0.2s ease;
      white-space: nowrap;
      min-height: 32px;

      // Focus Management
      &:focus-visible {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
      }

      // Hover States
      &:hover {
        background: var(--bg-hover);
        border-color: var(--border-secondary);
        color: var(--text-primary);
        transform: translateY(-1px);
      }

      // Active States
      &:active {
        transform: translateY(0);
        background: var(--bg-active);
        border-color: var(--border-active);
      }

      // Disabled States
      &:disabled {
        opacity: 0.5;
        cursor: not-allowed;
        transform: none;

        &:hover {
          background: transparent;
          border-color: var(--border-primary);
          color: var(--text-secondary);
        }
      }

      // Icon Styling
      i {
        font-size: 12px;
        width: 12px;
        text-align: center;
        flex-shrink: 0;
      }

      // Text Styling
      .btn-text {
        font-family: inherit;

        @media (max-width: 768px) {
          display: none;
        }
      }
    }

    // === ROUTER LINK ACTIVE STATE ===
    .menu-link {
      &.active {
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--border-active) 100%);
        border-color: var(--border-active);
        color: white;
        box-shadow: var(--shadow-medium);

        &:hover {
          background: linear-gradient(135deg, #005a9e 0%, var(--color-primary) 100%);
          color: white;
        }
      }
    }

    // === RESPONSIVE DESIGN ===
    @media (max-width: 768px) {
      .menu-container {
        padding: 0 var(--spacing-md);
        height: 44px;
      }

      .menu-actions {
        gap: var(--spacing-xs);
      }

      .menu-btn,
      .menu-link {
        padding: var(--spacing-sm);
        min-width: 32px;
        justify-content: center;

        &:hover .btn-text {
          display: none;
        }
      }
    }

    @media (max-width: 480px) {
      .menu-container {
        padding: 0 var(--spacing-sm);
        height: 40px;
      }

      .menu-brand {
        gap: var(--spacing-sm);

        .brand-icon {
          font-size: 16px;
        }
      }

      .menu-btn,
      .menu-link {
        padding: var(--spacing-xs);
        min-width: 28px;

        i {
          font-size: 11px;
        }
      }
    }

    // === ACCESSIBILITY ===
    @media (prefers-reduced-motion: reduce) {
      .menu-btn,
      .menu-link {
        transition: none;
      }
    }

    // === HIGH CONTRAST MODE ===
    @media (prefers-contrast: high) {
      .menu-bar {
        border-bottom-width: 2px;
      }

      .menu-btn,
      .menu-link {
        border-width: 2px;

        &:focus-visible {
          outline-width: 3px;
        }
      }
    }

    // === PRINT STYLES ===
    @media print {
      .menu-bar {
        display: none;
      }
    }