.page-modern-shell {
  padding-inline: clamp(var(--ds-space-2), 1.6vw, var(--ds-space-4));
}

.app-page {
  display: grid;
  gap: clamp(0.8rem, 1.2vw, 1rem);
}

.page-header {
  display: flex;
  gap: clamp(0.6rem, 1vw, 0.9rem);
  align-items: flex-start;
  justify-content: space-between;
  padding-bottom: 0.35rem;
}

.page-header > div:first-child {
  min-width: 0;
}

.page-header h1,
.page-header h2 {
  font-size: clamp(1.55rem, 1.1rem + 1vw, 2.1rem);
  line-height: 1.06;
}

.page-header p {
  max-width: 44rem;
}

.page-section-stack {
  display: grid;
  gap: var(--ds-space-3);
}

.content-grid-2 {
  display: grid;
  gap: var(--ds-space-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-grid-3 {
  display: grid;
  gap: var(--ds-space-3);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.content-grid-sidebar {
  display: grid;
  gap: var(--ds-space-3);
  grid-template-columns: minmax(0, 1.7fr) minmax(18rem, 0.9fr);
}

.section-space {
  margin-top: var(--ds-space-3);
}

.status-stack {
  display: grid;
  gap: 0.75rem;
  margin-bottom: clamp(0.75rem, 1.8vw, 1rem);
}

@media (max-width: 1199.98px) {
  .page-modern-shell {
    padding-inline: clamp(var(--ds-space-2), 2.2vw, var(--ds-space-4));
  }

  .content-grid-sidebar {
    grid-template-columns: minmax(0, 1.45fr) minmax(16rem, 0.95fr);
  }
}

@media (max-width: 991.98px) {
  .app-page {
    gap: 0.85rem;
  }

  .content-grid-2,
  .content-grid-3,
  .content-grid-sidebar {
    grid-template-columns: 1fr;
  }

  .page-header {
    align-items: stretch;
  }
}

@media (max-width: 767.98px) {
  .page-modern-shell {
    padding-inline: var(--ds-space-2);
  }

  .app-page {
    gap: 0.8rem;
  }

  .page-header {
    gap: 0.55rem;
    padding-bottom: 0;
  }

  .page-header .btn,
  .page-header form,
  .page-header .btn-group {
    width: 100%;
  }

  .app-footer-shell {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 1rem;
  }
}

@media (max-width: 575.98px) {
  .page-modern-shell {
    padding-inline: 0.2rem;
  }
}