:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--color-text);background:var(--color-background);font-synthesis:none;text-rendering:optimizeLegibility;--color-background: #ffffff;--color-surface: #f5f6f8;--color-text: #1b1d21;--color-muted: #60656f;--color-border: #d9dce1;--color-link: #2457c5;--color-link-active: #173b89}*,*:before,*:after{box-sizing:border-box}html{min-width:320px;min-height:100%}body{min-height:100vh;margin:0}button,input{font:inherit}a{color:var(--color-link)}a[aria-current=page]{color:var(--color-link-active)}.app-shell{display:flex;min-height:100vh;flex-direction:column}.site-header,.site-main,.site-footer{width:100%;max-width:72rem;margin-inline:auto;padding:1rem}.site-header{border-bottom:1px solid var(--color-border)}.site-header nav{display:flex;gap:1rem}.site-main{flex:1}.site-footer{color:var(--color-muted);border-top:1px solid var(--color-border)}form{display:grid;max-width:24rem;gap:1rem}form div{display:grid;gap:.25rem}input,button{padding:.625rem;border:1px solid var(--color-border);border-radius:.25rem}button{cursor:pointer}