:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

html, body {
  font-family: var(--font-sans, system-ui, -apple-system, sans-serif);
  font-size: 1rem;
  margin: 0;
  padding: 0;
  background: transparent;
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 400px;
  color: var(--color-text-secondary, #888);
  font-size: 14px;
}

.error {
  padding: 20px;
  color: var(--color-text-danger, #ff6b6b);
}

.threejs-container {
  width: 100%;
  position: relative;
}

.error-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-danger, #ff6b6b);
  background: var(--color-background-secondary, rgba(26, 26, 46, 0.9));
  border-radius: var(--border-radius-md, 8px);
  font-family: var(--font-sans, system-ui);
  padding: 20px;
}