/* ============================================
   System Theme — Tokens
   Native OS feel. Zero decoration. Pure function.
   ============================================ */

:root {
  /* Border radius */
  --rad: 6px;

  /* Shadows — none for system theme */
  --t-shadow: none;
  --t-shadow-hover: none;
  --t-shadow-lg: 0 4px 12px color-mix(in srgb, var(--txt) 12%, transparent);

  /* Hover / interaction */
  --t-hover-scale: 1;
  --t-speed: .12s;
  --t-ease: ease;

  /* Spacing multiplier */
  --t-space: 1;

  /* Typography */
  --t-body-lh: 1.5;
  --t-heading-weight: 600;
  --t-heading-spacing: -.02em;
  --t-label-transform: none;
  --t-label-spacing: 0;

  /* Surface effects — all off */
  --t-surface-blur: 0;
  --t-grain: none;

  /* Dividers */
  --t-divider-width: 1px;
  --t-divider-style: solid;

  /* Glow — off */
  --t-glow: none;

  /* FAB */
  --t-fab-radius: 999px;

  /* System font stacks */
  --t-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --t-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
}