:root {
  /* No shadow on cards — flat design */
  --shadow-sm:    0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md:    0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-modal: 0 20px 25px rgba(0, 0, 0, 0.1);

  /* Focus ring — matches primary-bg */
  --shadow-focus: 0 0 0 2px var(--color-primary-bg);
}