:root{color-scheme:light;--bg: #f3efe6;--ink: #1c1914;--muted: #5c564c;--accent: #0f5c4c;--danger: #8b2e2e;--card: #fffdf8;--line: #d9d1c3;font-family:Iowan Old Style,Palatino Linotype,Palatino,Georgia,serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top left,#efe4cf 0%,transparent 45%),linear-gradient(160deg,#f7f2e8,#ebe3d4);color:var(--ink)}.shell{width:min(36rem,calc(100% - 2rem));margin:0 auto;padding:4rem 0 3rem}.brand{margin:0 0 1.5rem;letter-spacing:.08em;text-transform:uppercase;font-size:.75rem;color:var(--accent);font-family:Avenir Next,Segoe UI,sans-serif}h1{margin:0 0 .75rem;font-size:clamp(1.8rem,4vw,2.4rem);line-height:1.1;font-weight:600}.lede{margin:0 0 1.75rem;color:var(--muted);line-height:1.5}form{display:grid;gap:.75rem;padding:1.25rem;background:var(--card);border:1px solid var(--line)}label{font-size:.9rem;color:var(--muted)}input{width:100%;padding:.85rem .9rem;border:1px solid var(--line);background:#fff;font:inherit;color:var(--ink)}button{justify-self:start;margin-top:.35rem;padding:.75rem 1.2rem;border:0;background:var(--accent);color:#f7fffb;font:inherit;cursor:pointer}button:hover{filter:brightness(1.05)}.plaintext{margin-top:1.5rem;padding:1.25rem;background:var(--card);border:1px solid var(--line);white-space:pre-wrap;word-break:break-word;line-height:1.55;font-family:inherit}.error{margin-top:1rem;color:var(--danger)}.hidden{display:none!important}