html{overflow-x:hidden;-webkit-text-size-adjust:100%}
body{font:16px/1.5 system-ui,sans-serif;max-width:760px;margin:2rem auto;padding:0 1rem;color:#111;overflow-wrap:anywhere}
code,pre,.out,.note,input,button{max-width:100%;overflow-wrap:anywhere;word-break:break-word}
fieldset{margin:1rem 0;border:1px solid #ccc;border-radius:8px}
input{width:100%;box-sizing:border-box;padding:.4rem;margin:.2rem 0 .5rem;font:inherit}
button{padding:.5rem 1rem;font:inherit;cursor:pointer}
.out{white-space:pre-wrap;word-break:break-all;margin-top:.5rem;font-family:monospace;font-size:.85rem}
.err{color:#b00020}.ok{color:#0a6b2d}.note{background:#f4f6ff;border-radius:8px;padding:.5rem 1rem;font-size:.9rem}