*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.55 var(--font);transition:background .25s,color .25s}body::before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 10% 0%,rgba(255,255,255,.6),transparent 30%),radial-gradient(circle at 90% 10%,rgba(0,0,0,.035),transparent 28%);z-index:-1}body.dark::before{opacity:.25}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}img,svg{max-width:100%}.container{width:min(var(--container),calc(100% - 36px));margin-inline:auto}.narrow{max-width:820px}.center{text-align:center}.page-space{padding-block:78px}.muted{color:var(--muted)}.hidden{display:none!important}.surface-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}