:root{--navy: #0b1f33;--blue: #1769aa;--accent: #2f80ed;--cool: #f5f7fa;--text: #17202a;--muted: #667085;--border: #e4e7ec;--danger: #b42318;--ok: #067647;--radius: 12px;--shadow: 0 1px 2px rgba(11, 31, 51, .06), 0 6px 18px rgba(11, 31, 51, .07);--font-head: "Lexend", system-ui, sans-serif;--font-body: "Source Sans 3", system-ui, sans-serif}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font-body);font-size:16px;line-height:1.55;color:var(--text);background:var(--cool);-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--font-head);color:var(--navy);margin:0;line-height:1.2}h1{font-size:1.6rem;font-weight:600}h3{font-size:1.1rem;font-weight:600}a{color:var(--blue)}img{max-width:100%;display:block}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.side{background:var(--navy);color:#b5c4d6;padding:22px 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