@media (max-width: 1180px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .modules-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  :root {
    --topbar-height: 68px;
  }

  .login-page {
    grid-template-columns: 1fr;
  }

  .login-showcase {
    display: none;
  }

  .login-panel {
    min-height: 100vh;
    padding: 24px;
  }

  .app-shell {
    display: block;
  }

  .sidebar {
    transform: translateX(-105%);
    transition: transform 0.22s ease;
  }

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

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: 25;
    display: block;
    pointer-events: none;
    opacity: 0;
    background: rgba(10, 27, 55, 0.42);
    transition: opacity 0.2s ease;
  }

  .sidebar-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
  }

  .app-main {
    grid-column: auto;
  }

  .mobile-menu {
    display: inline-grid;
    place-items: center;
  }

  .topbar {
    padding: 0 18px;
  }

  .content {
    padding: 22px 18px 34px;
  }

  .hero {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .login-panel {
    padding: 16px;
  }

  .login-card {
    padding: 24px 20px;
    border-radius: 20px;
  }

  .user-copy {
    display: none;
  }

  .logout-btn {
    padding: 0 10px;
  }

  .page-heading span {
    display: none;
  }

  .stats-grid,
  .modules-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 22px;
    border-radius: 18px;
  }

  .hero-badge {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .topbar {
    padding: 0 12px;
  }

  .content {
    padding-inline: 12px;
  }

  .brand-copy span {
    display: none;
  }
}