/* ==========================================================================
   Responsive Breakpoints & Mobile Drawer UX
   ========================================================================== */

@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hamburger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open {
    display: block;
  }

  .topbar {
    padding: 0 14px;
  }

  .content-area {
    padding: 14px;
  }

  #toast-container {
    left: 14px;
    right: 14px;
    bottom: 14px;
    max-width: none;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}