:root{--background:#f3efe5;--background-deep:#d9e5ec;--surface:#ffffffe0;--text:#102033;--muted:#546476;--border:#1020331f;--accent:#0b8aa3;--warning:#b85c0f;--code-bg:#edf4f7;color:var(--text);background:radial-gradient(circle at top left, #0b8aa32e, transparent 30%), radial-gradient(circle at right, #b85c0f1f, transparent 22%), linear-gradient(180deg, var(--background), var(--background-deep));font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Segoe UI,Aptos,system-ui,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea,select{font:inherit}a{color:inherit}#app,.app-shell{min-height:100vh}#app{width:min(1120px,100% - 2rem);margin:0 auto;padding:1rem 0 2rem}