:root{--surface:#f4f9fa;--soft:#e6f1f3;--text:#082c43;--muted:#4d6c7b;--line:#c9dcdf;--selection:#b6eef0;--accent:#007f92;--highlight:#00c4d2;--sculpture-dark:#00576b;--sculpture-light:#71f5f3;color-scheme:light}
:root[data-mode=dark]{--surface:#061c2b;--soft:#0a293b;--text:#edf7f8;--muted:#91adb9;--line:#234150;--selection:#154859;--accent:#18cad2;--highlight:#43e5e5;color-scheme:dark}
::selection{background:var(--selection);color:var(--text)}