:root,[data-theme="light"]{color-scheme:light;--bg:#fff7fb;--surface:#ffffff;--surface-alt:#f8e4f2;--text:#51364e;--muted:#784a77;--primary:#a64d92;--primary-text:#ffffff;--secondary:#7653a4;--border:#e8d4e4;--danger:#c44763;--shadow:0 14px 38px rgba(119,58,112,.09);--focus:#7d3cb0}
[data-theme="dark"]{color-scheme:dark;--bg:#1c2330;--surface:#293344;--surface-alt:#34445c;--text:#edf3fc;--muted:#a8bdd9;--primary:#83b8f5;--primary-text:#142236;--secondary:#a6a9ed;--border:#43516a;--danger:#f08090;--shadow:0 14px 38px rgba(0,0,0,.18);--focus:#b1d4ff}

/* Third global theme: independent of the existing light/dark palettes. */
[data-theme="contrast"]{color-scheme:dark;--bg:#0e1110;--surface:#191e1b;--surface-alt:#252d27;--text:#f6f8f6;--muted:#b0bbb2;--primary:#40c878;--primary-text:#07170e;--secondary:#81e4a5;--border:#3b483e;--danger:#ff827c;--shadow:0 12px 34px rgba(0,0,0,.28);--focus:#77efaa;accent-color:#40c878}
[data-theme="contrast"] .ek-tick{color:#40c878;border-color:#476851;background:#1b2b20}
[data-theme="contrast"] .ek-item.done .ek-tick{color:#b0bbb2;border-color:var(--border);background:var(--surface-alt)}
[data-theme="contrast"] input[type="checkbox"]{accent-color:#40c878}