:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#18324c;background:#f3f6fb;font-size:16px;--navy:#102e52;--blue:#215dc8;--line:#dce5f0}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #e99b00;outline-offset:4px}button{border:0}a{color:inherit;text-decoration:none}.app{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:100vh}.sidebar{background:var(--navy);color:white;padding:32px 20px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;font-size:26px;font-weight:700;margin:0 8px 40px}.brand b{color:#ffce45}.brand 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