:root {
  color-scheme: light;
  --muted: #5c6a7f;
  --surface: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--surface);
}

.chat-page {
  min-height: 100vh;
}

.chat-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: var(--surface);
}

.chat-frame {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100vh;
  border: 0;
}

.loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: var(--surface);
  font-weight: 700;
}