.app-root {
  width: 100vw; height: 100vh;
  display: flex; overflow: hidden;
  background: var(--bg-app);
}

.app {
  width: 100%; height: 100%;
  display: grid;
  grid-template-columns: 340px 1fr;
  background: var(--bg-panel);
}

.sidebar-slot {
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  height: 100%; overflow: hidden;
}

.chat-slot {
  display: flex; flex-direction: column;
  height: 100%; overflow: hidden;
  background: var(--bg-app);
}