@media (max-width: 520px) {
  .calendar-toolbar .btn span,
  .multi-date-toolbar .btn span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .calendar-toolbar .btn,
  .multi-date-toolbar .btn {
    width: 40px;
    min-height: 40px;
    padding: 0;
  }

  .calendar-toolbar h2,
  .multi-date-toolbar h3 {
    font-size: 1.05rem;
  }

  .multi-date-day {
    min-height: 54px;
    padding: 4px 1px;
  }

  .multi-date-day small {
    font-size: 0.56rem;
  }

  .calendar-day {
    min-height: 72px;
    padding: 5px 3px;
  }

  .calendar-event {
    min-height: 18px;
    padding: 3px;
    font-size: 0.64rem;
  }

  .calendar-weekday {
    font-size: 0.72rem;
  }

  .roster-history-row {
    grid-template-columns: 1fr;
  }

  .roster-history-row .meta {
    grid-column: 1;
  }
}

@media (min-width: 700px) {
  .public-main {
    padding: var(--space-8);
  }

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

  .kpi-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .calendar-day {
    min-height: 112px;
  }
}

@media (min-width: 800px) {
  .app-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    transition: grid-template-columns 0.3s ease;
  }

  .app-layout.nav-collapsed {
    grid-template-columns: 0px minmax(0, 1fr);
  }

  .topbar {
    grid-column: 2;
  }

  .content-wrap {
    grid-column: 2;
    padding: var(--space-6);
  }

  .bottom-nav {
    display: none;
  }

  .side-nav {
    grid-row: 1 / span 2;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-height: 100vh;
    border-right: 1px solid var(--color-line);
    background: var(--color-surface);
    padding: 20px 18px;
    overflow: hidden;
    transition: padding 0.3s ease, opacity 0.3s ease;
  }

  .app-layout.nav-collapsed .side-nav {
    padding-left: 0;
    padding-right: 0;
    opacity: 0;
    pointer-events: none;
  }

  .side-nav .public-brand {
    margin-bottom: var(--space-4);
    white-space: nowrap;
  }

  .side-nav .nav-link {
    grid-template-columns: 24px 1fr;
    justify-items: start;
    min-height: 44px;
    border-radius: 6px;
    padding: 0 var(--space-3);
    font-size: 0.92rem;
    white-space: nowrap;
  }

  .toast-region {
    left: auto;
    width: 380px;
    bottom: var(--space-5);
  }
}