:root{--bg:#f5f7fb;--ink:#172033;--muted:#56647a;--line:#dfe5ee;--blue:#dff0ff;--accent:#1769aa;--navy:#102a43;--good:#156c3b;--warn:#845900;--bad:#a92320;--card:#fff;--radius:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 'Segoe UI',Arial,sans-serif}a{color:var(--accent)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #ecaa33;outline-offset:3px}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}h1,h2,h3,p{margin-top:0}h1{font-size:34px;line-height:1.22;letter-spacing:-.8px;margin-bottom:15px}h2{font-size:21px;line-height:1.35;letter-spacing:-.3px}h3{font-size:17px}p{margin-bottom:14px}.muted,.help{color:var(--muted)}.help{font-size:12px}.help 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