html,
body {
  height: 100%;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  overflow: hidden;
  background: #fff;
}

.app-shell {
  height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: var(--gap);
  padding: var(--gutter);
  box-sizing: border-box;
  align-items: stretch;
}

.app-sidebar {
  height: 100%;
  box-sizing: border-box;
  border-radius: var(--r);
  overflow: hidden;
}

.app-main {
  height: 100%;
  min-width: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

@media (max-width: 920px) {
  body {
    overflow: auto;
  }

  .app-shell {
    height: auto;
    grid-template-columns: 1fr;
    padding: 0 !important;
    gap: 0 !important;
    width: 100% !important;
  }

  .app-sidebar,
  .app-main {
    height: auto;
  }

  .app-main {
    position: relative;
    z-index: 1;
  }
}