*{box-sizing:border-box}
.capafc{max-width:700px;margin:auto;padding:20px;font-family:Arial;color:#222;background:#f7f7f7;border-radius:18px}
.capafc label{display:block;margin:15px 0;font-weight:600}
.capafc input{width:100%;padding:14px;border:1px solid #ccc;border-radius:10px;margin-top:6px}
.capafc button{padding:12px 16px;margin:5px;border:0;border-radius:10px;cursor:pointer}
.capafc-result{margin-top:25px;background:white;padding:20px;border-radius:14px;box-shadow:0 5px 15px #0001}
#output{font-size:18px;line-height:1.7}
@media(prefers-color-scheme:dark){.capafc{background:#222;color:#eee}.capafc-result{background:#333}}