/* So-ee elevation — color-block first, shadow rare. */
:root{
--shadow-none:none;
--shadow-subtle:0 1px 3px rgba(26,44,22,0.10);  /* the only shadow; rare hover-elevated states */
--border-hairline:1px solid var(--color-hairline);
--border-hairline-soft:1px solid var(--color-hairline-soft);
--ring-focus:0 0 0 3px rgba(45,100,43,0.18);  /* brand green at 18% */
--ring-error:0 0 0 3px rgba(184,84,84,0.15);    /* derived: same recipe on --color-error */
}