:root{
  --primary:#2f4b7c;
  --primary-dark:#1f3557;
  --accent:#665191;
  --bg:#f4f6fa;
  --card:#ffffff;
  --border:#dce1ea;
  --text:#22262e;
  --muted:#6b7280;
  --ok:#2e7d32;
  --err:#c0392b;
}
*{box-sizing:border-box}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.55;
}
a{color:var(--primary)}
.container{max-width:920px;margin:0 auto;padding:24px 18px 64px}
.header{background:var(--primary);color:#fff;padding:26px 18px}
.header .inner{max-width:920px;margin:0 auto}
.header h1{margin:0;font-size:1.15rem;font-weight:600;letter-spacing:.2px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:22px 22px;margin-bottom:20px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.card h2{margin:0 0 14px;font-size:1.02rem;color:var(--primary-dark);border-bottom:2px solid var(--border);padding-bottom:8px}
.intro p{margin:.5rem 0;color:#333}
.scale-list{margin:.4rem 0;padding-left:1.1rem}
.scale-list li{margin:.15rem 0}
.field{margin-bottom:18px}
.field > label.q{display:block;font-weight:600;margin-bottom:8px}
.opts{display:flex;flex-wrap:wrap;gap:8px 18px}
.opts label{display:flex;align-items:center;gap:7px;font-weight:400;cursor:pointer}
.other-text,input[type=text],input[type=email]{
  padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;width:100%;max-width:360px;font-family:inherit;
}
textarea{width:100%;min-height:80px;padding:10px;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:.95rem}
/* Responsive Likert — all 5 options always visible, no horizontal scroll */
.scale-legend{font-size:.85rem;color:var(--muted);margin-top:6px}
.scale-legend.top{display:flex;flex-wrap:wrap;gap:4px 14px;margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.scale-legend.top span{white-space:nowrap}
.likert-item{padding:14px 0;border-bottom:1px solid var(--border)}
.likert-item:last-child{border-bottom:none}
.likert-item.missing{background:#fdeceb;border-radius:8px;padding:14px 10px;border-bottom:none}
.likert-q{font-weight:500;margin-bottom:10px}
.likert-q .qnum{color:var(--primary);font-weight:700;margin-right:3px}
.likert-scale{display:flex;gap:6px}
.likert-opt{
  flex:1 1 0;min-width:0;display:flex;flex-direction:column;align-items:center;gap:4px;
  border:1.5px solid var(--border);border-radius:10px;padding:9px 2px 7px;
  cursor:pointer;text-align:center;background:#fff;transition:background .12s,border-color .12s;
}
.likert-opt:hover{border-color:var(--accent)}
.likert-opt input{width:16px;height:16px;margin:0;accent-color:var(--primary)}
.likert-opt .num{font-size:1.05rem;font-weight:700;color:var(--primary-dark);line-height:1}
.likert-opt .lab{font-size:.6rem;line-height:1.15;color:var(--muted)}
.likert-opt:has(input:checked){background:var(--primary);border-color:var(--primary)}
.likert-opt:has(input:checked) .num,
.likert-opt:has(input:checked) .lab{color:#fff}
@media(max-width:520px){
  .likert-scale{gap:4px}
  .likert-opt{padding:8px 1px 6px}
  .likert-opt .lab{font-size:.55rem}
  .likert-opt input{width:14px;height:14px}
}
.btn{
  display:inline-block;background:var(--primary);color:#fff;border:none;border-radius:9px;
  padding:12px 26px;font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none;
}
.btn:hover{background:var(--primary-dark)}
.btn.secondary{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn.danger{background:var(--err)}
.lang-choice{max-width:460px;margin:8vh auto 0;text-align:center}
.lang-choice .card{padding:30px}
.lang-btns{display:flex;gap:14px;justify-content:center;margin-top:20px}
.lang-btns .btn{min-width:130px}
.alert{padding:12px 14px;border-radius:8px;margin-bottom:16px}
.alert.err{background:#fdeceb;color:var(--err);border:1px solid #f3c4c0}
.alert.ok{background:#e8f5e9;color:var(--ok);border:1px solid #bfe2c1}
.muted{color:var(--muted)}
.center{text-align:center}
.mt{margin-top:18px}
.small{font-size:.85rem}
.req{color:var(--err)}

/* Admin */
.admin-nav{background:var(--primary-dark);color:#fff;padding:12px 18px}
.admin-nav .inner{max-width:1100px;margin:0 auto;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.admin-nav a{color:#dfe6f2;text-decoration:none;font-weight:500}
.admin-nav a:hover{color:#fff}
.admin-nav .spacer{flex:1}
.wide{max-width:1100px}
table.data{width:100%;border-collapse:collapse;background:#fff;font-size:.92rem}
table.data th,table.data td{border:1px solid var(--border);padding:9px 11px;text-align:left}
table.data thead th{background:#eef1f7;color:var(--primary-dark)}
table.data tbody tr:hover{background:#f7f9fc}
.form-row{margin-bottom:14px;max-width:520px}
.form-row label{display:block;font-weight:600;margin-bottom:5px;font-size:.92rem}
.pill{display:inline-block;padding:2px 9px;border-radius:20px;background:#eef1f7;font-size:.8rem;color:var(--primary-dark)}
dl.detail{display:grid;grid-template-columns:230px 1fr;gap:8px 16px}
dl.detail dt{font-weight:600;color:var(--primary-dark)}
dl.detail dd{margin:0}
@media(max-width:640px){dl.detail{grid-template-columns:1fr}dl.detail dt{margin-top:8px}}