:root{--navy:#14213D;--green:#2F6B1A;--ink:#1F2430;--muted:#5B6170;--line:#E2DFD6;--bg:#F5F3EE}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.top{display:flex;align-items:center;gap:14px;padding:16px max(16px,calc(50% - 360px));background:#fff;border-bottom:1px solid var(--line)}
.top span{color:var(--muted);font-size:14px;border-left:1px solid var(--line);padding-left:14px}
main{max-width:720px;margin:0 auto;padding:24px 16px 48px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 24px;margin:0 0 18px}
h1{font-size:24px;line-height:1.25;margin:0 0 6px;color:var(--navy)}
h2{font-size:18px;margin:0 0 14px;color:var(--navy)}
.muted{color:var(--muted);font-weight:400}
.intro{text-align:left;padding:32px}
.form{display:grid;gap:14px;margin-top:16px}
.form label{display:grid;gap:6px;font-weight:600;font-size:14px}
.form input:not([type=checkbox]),.form select{font:inherit;font-weight:400;padding:10px 12px;border:1px solid #CFCCC2;border-radius:8px;background:#fff;width:100%}
.form input:focus,.form select:focus{outline:2px solid var(--green);outline-offset:1px;border-color:var(--green)}
.form .check{display:flex;gap:10px;align-items:center;font-weight:400}
.form .check input{width:18px;height:18px;accent-color:var(--green)}
.btn{display:inline-block;font:inherit;font-weight:600;border:0;border-radius:8px;padding:10px 18px;background:var(--green);color:#fff;text-decoration:none;cursor:pointer;justify-self:start}
.btn:hover{background:#245414}
.btn.quiet{background:#fff;color:var(--navy);border:1px solid #CFCCC2}
.btn.quiet:hover{border-color:var(--navy)}
.btn:focus-visible,.link:focus-visible,summary:focus-visible{outline:2px solid var(--navy);outline-offset:2px}
.preview{border:1px dashed #CFCCC2;border-radius:8px;padding:20px;background:#fff;overflow-x:auto}
.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}
.copied{color:var(--green);font-weight:600;font-size:14px}
.hidden{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
details{border-top:1px solid var(--line);padding:10px 0}
details:first-of-type{border-top:0}
summary{cursor:pointer;font-weight:600;color:var(--navy)}
ol{margin:10px 0 4px;padding-left:20px}
li{margin:4px 0}
.flash{padding:12px 16px;border-radius:8px;margin:0 0 16px;font-weight:600}
.flash.ok{background:#E8F1E1;color:#1E4A0F}
.flash.err{background:#FBE9E7;color:#8A1C10}
.out{text-align:center}
.link{background:none;border:0;color:var(--muted);text-decoration:underline;font:inherit;cursor:pointer}
@media (max-width:560px){.card{padding:18px 16px}.top span{display:none}}