/* =========================================================
   MOTORE DI IA — blocco condiviso "Scegli il motore di IA"
   Usato da strumento.html (tutti i 42 strumenti).
   Stessa logica e stessi dati salvati del Generatore di lezioni.
   ========================================================= */

.iam{
  background:#fff;
  border:1px solid var(--line,#DCE8F5);
  border-radius:var(--radius,18px);
  padding:24px 26px;
  margin-top:26px;
  box-shadow:var(--shadow,0 10px 30px rgba(37,99,255,.08));
}

/* ---- intestazione passo ---- */
.iam-step{display:flex;align-items:center;gap:11px;margin-bottom:18px;flex-wrap:wrap}
.iam-step .n{
  width:26px;height:26px;border-radius:50%;
  background:var(--blue,#2563FF);color:#fff;
  font-size:.8rem;font-weight:800;
  display:grid;place-items:center;flex:0 0 auto;
}
.iam-step .t{font-size:1.05rem;font-weight:800;letter-spacing:-.01em}
.iam-step .s{margin-left:auto;font-size:.8rem;font-weight:600;color:var(--ink-soft,#47566E)}

/* ---- riepilogo quando il blocco è chiuso ---- */
.iam-riepilogo{display:none;align-items:center;gap:12px;flex-wrap:wrap;font-size:.92rem;font-weight:600}
.iam.chiuso .iam-riepilogo{display:flex}
.iam.chiuso .iam-corpo{display:none}
.iam-riepilogo .ok{color:var(--ok,#0E8A4F)}
.iam-cambia{
  margin-left:auto;font-family:inherit;font-size:.86rem;font-weight:700;
  color:var(--blue,#2563FF);background:none;border:none;cursor:pointer;
  padding:6px 10px;border-radius:9px;
}
.iam-cambia:hover{background:var(--sky,#EAF4FF)}

/* ---- schede provider ---- */
.iam-provs{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-bottom:18px}
@media(max-width:660px){.iam-provs{grid-template-columns:1fr}}
.iam-prov{
  font-family:inherit;text-align:left;cursor:pointer;
  border:2px solid var(--line,#DCE8F5);border-radius:14px;
  background:#fff;padding:14px 15px;transition:.15s;
}
.iam-prov:hover{border-color:var(--azure,#38A1F0);transform:translateY(-2px)}
.iam-prov.on{border-color:var(--blue,#2563FF);background:var(--sky,#EAF4FF)}
.iam-prov .pn{font-size:.92rem;font-weight:800;display:flex;align-items:center;gap:7px;color:var(--ink,#0F172A)}
.iam-prov .pd{font-size:.76rem;font-weight:600;color:var(--ink-soft,#47566E);margin-top:4px;line-height:1.45}

/* ---- campi ---- */
.iam-due{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:660px){.iam-due{grid-template-columns:1fr}}
.iam label{display:block;font-size:.84rem;font-weight:700;margin:0 0 6px}
.iam label .opt{font-weight:600;color:var(--ink-soft,#47566E)}
.iam input[type=password],
.iam input[type=text]{
  width:100%;font-family:inherit;font-size:.98rem;padding:12px 14px;
  border:1.5px solid var(--line,#DCE8F5);border-radius:12px;background:#fff;
  color:var(--ink,#0F172A);outline:none;transition:border-color .15s;
}
.iam input:focus{border-color:var(--blue,#2563FF)}
.iam-hint{font-size:.76rem;color:var(--ink-soft,#47566E);margin-top:6px;line-height:1.5}

/* ---- aiuto dettagliato ---- */
.iam-aiuto{margin-top:16px;border:1px solid var(--line,#DCE8F5);border-radius:14px;background:#FBFDFF;overflow:hidden}
.iam-aiuto > summary{
  cursor:pointer;list-style:none;padding:13px 16px;
  font-size:.88rem;font-weight:700;color:var(--blue,#2563FF);
  display:flex;align-items:center;gap:8px;
}
.iam-aiuto > summary::-webkit-details-marker{display:none}
.iam-aiuto > summary::after{content:"▾";margin-left:auto;font-size:.8rem;transition:transform .15s}
.iam-aiuto[open] > summary::after{transform:rotate(180deg)}
.iam-aiuto > summary:hover{background:var(--sky,#EAF4FF)}
.iam-aiuto-in{padding:4px 18px 18px;font-size:.86rem;line-height:1.65;color:#2A3852}
.iam-aiuto-in h4{
  font-size:.9rem;font-weight:800;margin:16px 0 6px;
  display:flex;align-items:center;gap:7px;color:var(--ink,#0F172A);
}
.iam-aiuto-in h4:first-child{margin-top:6px}
.iam-aiuto-in ol{margin:0 0 4px 20px}
.iam-aiuto-in li{margin:3px 0}
.iam-aiuto-in code{background:var(--sky,#EAF4FF);padding:1px 6px;border-radius:5px;font-size:.92em;font-weight:600}
.iam-aiuto-in a{color:var(--blue,#2563FF);font-weight:700;text-decoration:underline}
.iam-aiuto-nota{
  margin-top:16px;padding:12px 14px;border-radius:11px;
  background:#FBF3E4;border:1px solid #EBD9B4;color:#7A5A1E;
  font-size:.82rem;line-height:1.6;
}

/* ---- privacy ---- */
.iam-privacy{
  margin-top:16px;padding:13px 15px;border-radius:12px;
  background:var(--ok-bg,#E6F7EE);border:1px solid #B7EBCF;
  color:#12693F;font-size:.82rem;line-height:1.6;
}

/* ---- pulsanti generazione affiancati ---- */
.iam-azioni{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
@media(max-width:560px){.iam-azioni{grid-template-columns:1fr}}
.iam-spin{
  display:inline-block;width:15px;height:15px;border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;border-radius:50%;animation:iamsp .7s linear infinite;
}
@keyframes iamsp{to{transform:rotate(360deg)}}

@media print{.iam,.iam-azioni{display:none !important}}