:root{--blue:#2a78d6;--blue-light:#cde2fb;--ink:#0b0b0b;--ink2:#52514e;--line:#e6e5e1;--bg:#f6f5f2;--card:#fcfcfb;--warn:#b3261e;--ok:#0a7a3d}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.45}
header.top{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:#fff;border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--ink);text-decoration:none}
nav{display:flex;gap:14px;align-items:center;font-size:.95rem}
nav a{color:var(--blue)}
.who{color:var(--ink2)}
main{max-width:860px;margin:0 auto;padding:16px}
footer{text-align:center;color:var(--ink2);font-size:.8rem;padding:24px 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:16px}
.card.narrow{max-width:520px;margin-left:auto;margin-right:auto}
.center{text-align:center}
h1{font-size:1.5rem;margin:.2em 0 .5em}
h2{font-size:1.15rem;margin:1.2em 0 .5em}
h3{font-size:1rem;margin:1em 0 .3em}
.lead{font-size:1.02rem}
.muted{color:var(--ink2)}
.small{font-size:.85rem}
.warn{color:var(--warn)}
.tag{display:inline-block;font-size:.75rem;padding:2px 8px;border-radius:999px;background:#e9e8e4;color:var(--ink2);margin-right:4px}
.tag.ok{background:#dff3e6;color:var(--ok)}
.tag.warn{background:#fde3e1;color:var(--warn)}
.btn{display:inline-block;padding:9px 16px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);text-decoration:none;cursor:pointer;font-size:.95rem;margin:4px 4px 4px 0}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
button.link{background:none;border:0;color:var(--blue);cursor:pointer;font:inherit;padding:0}
form.inline{display:inline}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:end}
.grid .wide{grid-column:1/-1}
label{display:block;font-size:.9rem;color:var(--ink2)}
input[type=text],input[type=email],textarea{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;margin-top:4px;background:#fff}
.progress{height:6px;background:var(--blue-light);border-radius:3px;overflow:hidden;margin-bottom:8px}
.progress div{height:100%;background:var(--blue)}
.items fieldset.item{border:0;border-top:1px solid var(--line);padding:16px 0 10px;margin:0}
.items legend{font-weight:600;padding:0;margin-bottom:8px;float:left;width:100%}
.items legend .n{color:var(--ink2);font-weight:400;margin-right:4px}
.item.missing{background:#fff7f6;border-left:3px solid var(--warn);padding-left:10px}
.likert{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;clear:both}
.likert label{display:flex;flex-direction:column;align-items:center;text-align:center;font-size:.8rem;padding:8px 4px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;color:var(--ink)}
.likert label:has(input:checked){background:var(--blue-light);border-color:var(--blue)}
.likert input{margin:0 0 6px}
.choices{display:flex;flex-direction:column;gap:6px;clear:both}
.choices.inline{flex-direction:row;justify-content:center;flex-wrap:wrap}
.choices label{color:var(--ink);font-size:.95rem}
.actions{padding-top:16px;text-align:right}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.tbl th,.tbl td{text-align:left;padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{color:var(--ink2);font-weight:600;font-size:.82rem}
.tbl.compact th,.tbl.compact td{padding:4px 6px;font-size:.82rem;white-space:nowrap}
.tbl td.num{text-align:right;font-variant-numeric:tabular-nums}
.tbl td.num[data-l="alta"]{background:#e3eefb}
.tbl td.num[data-l="bassa"]{background:#fbeae8}
.scroll{overflow-x:auto}
.share{background:#f3f7fd;border:1px solid var(--blue-light);border-radius:8px;padding:10px 14px;margin:10px 0}
code.big{font-size:1.3rem;letter-spacing:1px}
.list{padding-left:18px}
.stack p{margin-bottom:8px}
@media (max-width:640px){.likert{grid-template-columns:1fr;gap:4px}.likert label{flex-direction:row;gap:10px;justify-content:flex-start;text-align:left}.likert input{margin:0}.grid{grid-template-columns:1fr}}