:root{--bg: #12152d;--panel: #1b1f3f;--panel2: #232850;--line: #343a68;--text: #efe6f7;--dim: #b7b0cc;--faint: #7d82ab;--a: #ffbe5c;--b: #4fd3cf;--s: #bdee7a;--wrong: #ff6b67;--pick: #c3aef6;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text)}body{font:17px/1.5 Segoe UI Variable Text,Segoe UI,system-ui,-apple-system,sans-serif;min-height:100vh}header.top{display:flex;align-items:baseline;gap:28px;padding:18px 24px 12px;flex-wrap:wrap}header.top h1{margin:0;font-size:21px;font-weight:650;letter-spacing:.1px}nav#rail{display:flex;gap:6px 22px;flex-wrap:wrap}nav#rail button{background:none;border:0;padding:4px 0;color:var(--faint);font:inherit;font-size:15px;cursor:pointer;border-bottom:2px solid transparent}nav#rail button.done{color:var(--dim)}nav#rail button.on{color:var(--text);border-bottom-color:var(--s)}nav#rail button:focus-visible{outline:2px solid 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