/* Aside one-day class: navy for structure, teal for practice and confirmation. */
:root {
 --key:#183653; --key-deep:#10273D; --key-tint:#F0F5F8; --key-line:#BCCDDD; --key-soft:#91A9BE;
 --accent:#146D70; --accent-tint:#EDF7F5; --accent-line:#B6D6D1;
 --on-key-sub:#E4EDF4; --on-key-chip:#315675;
 --chapter:#E9EFF4; --chapter-hover:#DDE7EF; --zone:#F3F6F8; --head:#EAF0F4; --panel:#F7F9FA; --panel-on:#E7EEF3;
 --fg:#172A3C; --fg-soft:#30465B; --sub:#576A7A; --muted:#6D8090;
 --line:#D8E1E7; --line-strong:#AEBFCB; --divider:#E4EAEF; --dot:#CFDAE1;
 --ok:#146D70; --ok-tint:#EDF7F5;
 --font:"Pretendard",-apple-system,"Apple SD Gothic Neo",sans-serif;
}