* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #f2f3f5;
  color: #1a1a1a;
  margin: 0;
  padding: 2rem 1rem;
}
.card {
  max-width: 480px;
  margin: 0 auto;
  background: #fff;
  border-radius: 10px;
  padding: 1.75rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.card-wide { max-width: 640px; }
h1 { font-size: 1.25rem; margin: 0 0 .25rem; }
p.sub { color: #555; font-size: .9rem; margin: 0 0 1.25rem; }
label { display: block; font-size: .85rem; color: #444; margin: .75rem 0 .25rem; }
input[type=text], input[type=email], input[type=tel], input[type=password], select {
  width: 100%; padding: .55rem .6rem; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem;
}
input[type=file] { margin-top: .5rem; }
.checkbox-row { display: flex; align-items: flex-start; gap: .5rem; margin: 1rem 0; font-size: .85rem; color: #444; }
.checkbox-row input { margin-top: 3px; }
button {
  width: 100%; padding: .7rem; margin-top: 1rem; border: none; border-radius: 6px;
  background: #1a56db; color: #fff; font-size: 1rem; cursor: pointer;
}
button:hover { background: #1544ac; }
.errore { background: #fdecea; color: #b91c1c; padding: .6rem .8rem; border-radius: 6px; font-size: .85rem; margin-top: .75rem; }
.ok { background: #eafaf0; color: #14663d; padding: .8rem; border-radius: 6px; font-size: .9rem; }
.otp-input { letter-spacing: .4rem; text-align: center; font-size: 1.2rem; }
.firma-badge { display: flex; align-items: center; gap: .4rem; font-size: .85rem; color: #14663d; margin-top: 1rem; }
.link-plain { color: #1a56db; text-decoration: none; }
footer.legal { max-width: 640px; margin: 1.5rem auto 0; font-size: .75rem; color: #888; text-align: center; }

.admin-nav { max-width: 1300px; margin: 0 auto 1rem; display: flex; gap: 1rem; flex-wrap: wrap; font-size: .9rem; }
.admin-nav a { color: #1a56db; text-decoration: none; }
.admin-nav a.active { font-weight: 600; text-decoration: underline; }
.admin-card { max-width: 1300px; margin: 0 auto 1.5rem; background: #fff; border-radius: 10px; padding: 1.5rem; box-shadow: 0 1px 4px rgba(0,0,0,0.08); overflow-x: auto; }
table.admin-table { width: max-content; min-width: 100%; border-collapse: collapse; font-size: .85rem; }
table.admin-table th, table.admin-table td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid #eee; }
table.admin-table th { color: #555; font-weight: 600; }
.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .75rem; }
.badge-admin { background: #fde68a; color: #7c4a03; }
.badge-operatore { background: #e5e7eb; color: #374151; }
.badge-attivo { background: #d1fae5; color: #065f46; }
.badge-disattivo { background: #fee2e2; color: #991b1b; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.stat-box { background: #f8f9fb; border-radius: 8px; padding: 1rem; text-align: center; }
.stat-box .num { font-size: 1.6rem; font-weight: 700; }
.stat-box .label { font-size: .8rem; color: #666; }
.btn-secondary { background: #6b7280; }
.btn-secondary:hover { background: #52525b; }
.inline-form { display: inline; }
select { width: 100%; padding: .55rem .6rem; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem; }