:root{--bg:#f3f6fb;--panel:#fff;--ink:#152a40;--muted:#526579;--line:#d7e1ec;--accent:#087c75;--soft:#dff5ed;--warm:#ffeed9;--shadow:0 12px 38px #213f6210;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}body.dark{--bg:#111c29;--panel:#192a3b;--ink:#eef5ff;--muted:#b4c5d8;--line:#3b5268;--accent:#76e0cc;--soft:#193d3a;--warm:#46372a;color-scheme:dark}a{color:var(--accent);text-underline-offset:4px}button,input,select,textarea{font:inherit}button,.button{cursor:pointer;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:9px;padding:9px 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