/* Responsive Design Breakpoints */

/* Desktop / Small Laptops (Max 1200px) */
@media (max-width: 1200px) {
  .home-grid {
    grid-template-columns: 1fr;
  }
}

/* Tablets (Max 900px) */
@media (max-width: 900px) {
  :root {
    --sidebar-width: 80px;
  }

  .brand-text {
    display: none;
  }

  .nav-item span.nav-text {
    display: none;
  }

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

  .connector-status span {
    display: none;
  }

  .productivity-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile (Max 600px) */
@media (max-width: 600px) {
  :root {
    --sidebar-width: 0px;
  }

  .app-shell {
    flex-direction: column;
  }

  .sidebar {
    display: none; /* We would ideally replace this with a bottom nav, but for now we hide sidebar and show a bottom bar */
  }

  .main-content {
    margin-left: 0;
    margin-bottom: 70px; /* Space for bottom nav */
  }

  .topbar {
    padding: 0 var(--space-4);
  }

  .view-container {
    padding: var(--space-4);
  }

  .page-header {
    flex-direction: column;
    gap: var(--space-2);
  }

  .courses-grid {
    grid-template-columns: 1fr;
  }

  .ent-grid {
    grid-template-columns: 1fr;
  }

  .settings-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .settings-row > *:last-child {
    align-self: flex-end;
  }

  .personal-event-fields {
    grid-template-columns: 1fr;
  }

  .agenda-header {
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  .agenda-current-range {
    order: -1;
    width: 100%;
  }

  /* Mobile Bottom Nav */
  .mobile-bottom-nav {
    display: flex !important;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    z-index: 50;
    justify-content: space-around;
    align-items: center;
    padding: 0 var(--space-2);
    padding-bottom: env(safe-area-inset-bottom);
  }

  .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--space-2);
    color: var(--color-text-secondary);
    font-size: 0.65rem;
    font-weight: 500;
  }

  .mobile-nav-item.is-active {
    color: var(--color-primary);
  }

  .mobile-nav-item svg {
    width: 24px;
    height: 24px;
  }
}

/* Hide mobile nav on desktop */
@media (min-width: 601px) {
  .mobile-bottom-nav {
    display: none !important;
  }
}