/* ── Reset ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Background — neutral, clean (iridescence comes from inside glass) */
body {
  font-family: -apple-system, 'SF Pro Display', BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  min-height: 100vh;
  color: var(--text);
  background-color: var(--bg);
  transition: background-color .3s ease, color .3s ease;
}