:root{--action:#0a1a11;--action-hover:#16382a;--action-ink:#fff;--progress:#24765a;--correct:#376f25;--correct-tint:#eef7ea;--careful:#b8431a;--careful-fill:#e2620a;--wrong:#8f1d14;--wrong-tint:#fcf0ee;--ink:#14261f;--body:#2e4239;--muted:#5c6e66;--surface:#fff;--locked:#c4ccc8;--line:#c4d4cb;--line-soft:#dce7e0;--tint-2:#f2f8f4;--on-dark:#d9e8df;--on-dark-dim:#a3bdae;--forest:#1c4b39;--accent:#24765a;--deep-1:#0f2a1f;--deep-2:#143424;--deep-3:#1a4634;--accent-text:#1f6b50;--tint-1:#f7faf8;--tint-3:#e3f2ea;--tint-4:#dcefe6;--line-strong:#9fcfb8;--on-dark-accent:#a9dcc4;--know:#1c4b39;--know-tint:#e7f0ea;--correct-line:#8cc08f;--careful-tint:#fdf2eb;--careful-line:#f2b891;--wrong-line:#d9aaa4;--sidebar:#edf3ef;--card:#f6faf8;--mint:#dcefe6;--outline:#6f857a;--r-xs:4px;--r-s:10px;--r-m:14px;--r-l:18px;--r-pill:999px;--t-1:30px;--t-2:22px;--t-3:20px;--t-4:17px;--t-5:16px;--t-6:13px;--d-1:clamp(40px,6vw,64px);--d-2:clamp(30px,4.2vw,44px);--s-1:4px;--s-2:8px;--s-3:12px;--s-4:16px;--s-5:20px;--s-6:24px;--s-8:32px;--shadow:0 6px 18px #14261f12;--ring:0 0 0 3px #fff, 0 0 0 6px var(--progress);--w-doc:860px;--w-overview:960px}