:root{--blue:#1a6ec0;--blue-dark:#155a9e;--blue-soft:#e8f1fb;--green:#2e9e4f;--green-soft:#e6f5ec;--orange:#f5a200;--orange-soft:#fdf1d8;--red:#d64545;--red-soft:#fbeaea;--ink:#1f2a37;--muted:#6b7785;--line:#e5e9ef;--paper:#f6f8fb;--card:#fff;--shadow:0 1px 2px #1f2a370f, 0 6px 20px #1f2a370f;--radius:16px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;font-family:Nunito,system-ui,sans-serif;line-height:1.45}h1,h2,h3,h4,.display{margin:0;font-family:"Baloo 2",system-ui,sans-serif}.mono{letter-spacing:-.02em;font-family:Spline Sans Mono,ui-monospace,monospace}button{cursor:pointer;font-family:inherit}input,select{font-family:inherit;font-size:15px}a{color:var(--blue)}.app{min-height:100vh;display:flex}.sidebar{background:var(--card);border-right:1px solid 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