/* Nettina – stili limitati ai contenitori del plugin, per non interferire con il tema.
   Colori dall'identità Net Education: verde #32854c / #266b48, grigio #3f4c42, arancio #fe9e1e. */
.nt-root,.nt-root-bolla{--nt-verde:#266b48;--nt-verde-2:#1d5c3c;--nt-verde-logo:#32854c;--nt-arancio:#fe9e1e;--nt-scuro:#3f4c42;
  --nt-chiaro:#eef5f0;--nt-bg:#f6f8f6;--nt-card:#fff;--nt-testo:#1f2a24;--nt-muto:#56645b;--nt-bordo:#d9e2db;
  --nt-avviso:#fff6dc;--nt-avviso-b:#e8c766;--nt-err:#fdecea;--nt-err-b:#e7a29a;--nt-focus:#fe9e1e}
.nt-root{box-sizing:border-box;color:var(--nt-testo);font-family:inherit;font-size:15px;line-height:1.5;text-align:left}
.nt-root *,.nt-root *::before,.nt-root *::after,.nt-root-bolla *,.nt-root-bolla *::before,.nt-root-bolla *::after{box-sizing:border-box}
.nt-root [hidden],.nt-root-bolla [hidden]{display:none!important}
.nt-root button,.nt-root-bolla button{font-family:inherit;margin:0;text-transform:none;letter-spacing:normal}
.nt-root :focus-visible,.nt-root-bolla :focus-visible{outline:3px solid var(--nt-focus);outline-offset:2px}
/* difesa dagli stili del tema (titoli, paragrafi e pulsanti globali) */
.nt-root p,.nt-root-bolla p,.nt-root li,.nt-root-bolla li{color:inherit;font-family:inherit!important;font-size:inherit!important;letter-spacing:normal!important;line-height:inherit!important}
.nt-root input,.nt-root select,.nt-root textarea{box-shadow:none;letter-spacing:normal;text-transform:none}
.nt-root img,.nt-root-bolla img{border-radius:0;box-shadow:none;margin:0;max-width:none}
.nt-sr{border:0;clip:rect(0 0 0 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:1px}

/* ---------- finestra ---------- */
.nt-root.nt-modo-pagina,.nt-root.nt-modo-prova{display:grid;gap:16px;grid-template-columns:minmax(0,1fr);margin:0 auto;max-width:760px}
.nt-root.nt-modo-prova{grid-template-columns:minmax(0,1fr) 340px;max-width:1200px}
@media (max-width:900px){.nt-root.nt-modo-prova{grid-template-columns:1fr}}
.nt-chat{background:var(--nt-card);border:1px solid var(--nt-bordo);border-radius:16px;box-shadow:0 4px 18px rgba(31,42,36,.08);display:flex;flex-direction:column;height:var(--nettina-altezza,640px);max-height:85vh;min-height:420px;overflow:hidden}
.nt-modo-bolla .nt-chat{border:0;border-radius:16px;box-shadow:none;height:100%;max-height:none;min-height:0}

.nt-head{background:var(--nt-card);border-bottom:3px solid var(--nt-verde-logo);flex:none}
.nt-brand{align-items:center;display:flex;gap:6px;min-height:44px;padding:6px 8px 0 14px}
.nt-logo-net{display:block;height:30px;max-width:150px;object-fit:contain;width:auto}
.nt-logo-testo{color:var(--nt-scuro);font-weight:700}
.nt-comandi{display:flex;gap:2px;margin-left:auto}
.nt-ico{align-items:center;background:none;border:0;border-radius:10px;color:var(--nt-scuro);cursor:pointer;display:inline-flex;height:40px;justify-content:center;padding:0;width:40px}
.nt-ico svg{height:22px;width:22px}
.nt-ico:hover{background:var(--nt-chiaro);color:var(--nt-verde)}
.nt-indietro{display:none;margin-left:-6px}
.nt-id{align-items:center;display:flex;gap:12px;padding:4px 14px 10px}
.nt-root .nt-avatar,.nt-root-bolla .nt-avatar{background:#fff;border:2px solid var(--nt-arancio);border-radius:50%;display:block;flex:none;height:48px;object-fit:cover;width:48px}
.nt-avatar-testo{align-items:center;background:var(--nt-verde);border-color:var(--nt-verde);color:#fff;display:inline-flex;font-weight:700;justify-content:center}
.nt-tit{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.nt-root .nt-nome{color:var(--nt-scuro);display:block;font-family:inherit;font-size:18px!important;font-weight:700;letter-spacing:0;line-height:1.2!important;margin:0;padding:0}
.nt-tit span:not(.nt-nome){color:var(--nt-muto);font-size:13px!important}

.nt-banner{background:var(--nt-avviso);border-bottom:1px solid var(--nt-avviso-b);font-size:13px;padding:7px 14px}
.nt-log{background:var(--nt-bg);display:flex;flex:1;flex-direction:column;gap:10px;overflow-y:auto;overscroll-behavior:contain;padding:14px}
.nt-msg{border-radius:16px;font-size:15px;line-height:1.5;max-width:88%;overflow-wrap:anywhere;padding:10px 13px}
.nt-bot{align-self:flex-start;background:var(--nt-card);border:1px solid var(--nt-bordo);border-top-left-radius:4px}
.nt-user{align-self:flex-end;background:var(--nt-verde);border-top-right-radius:4px;color:#fff;white-space:pre-wrap}
.nt-msg p{margin:0 0 6px}.nt-msg p:last-child{margin-bottom:0}
.nt-msg ul{margin:4px 0 6px;padding-left:18px}
.nt-bot a{color:var(--nt-verde-2);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.nt-esito{font-weight:700}
.nt-err{background:var(--nt-err);border:1px solid var(--nt-err-b);border-radius:8px;font-size:13px;padding:6px 8px}
.nt-trace{border-top:1px dashed var(--nt-bordo);color:var(--nt-muto);font-size:11.5px;margin-top:6px;padding-top:4px}
.nt-sep{align-self:center;border:1px dashed var(--nt-bordo);border-radius:999px;color:var(--nt-muto);font-size:12px;padding:3px 12px}
.nt-typing{align-items:center;display:flex;gap:8px;padding:6px 12px}
.nt-attesa-img{display:block;height:40px;width:40px;object-fit:contain}
.nt-punti{display:inline-flex;gap:4px}
.nt-punti i{animation:nt-pt 1.1s infinite ease-in-out;background:var(--nt-verde);border-radius:50%;display:block;height:7px;opacity:.4;width:7px}
.nt-punti i:nth-child(2){animation-delay:.15s}.nt-punti i:nth-child(3){animation-delay:.3s}
@keyframes nt-pt{0%,80%,100%{opacity:.25}40%{opacity:1}}
.nt-opts{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.nt-opts button,.nt-chip{background:var(--nt-card);border:1px solid var(--nt-verde);border-radius:999px;color:var(--nt-verde);cursor:pointer;font-size:14px;min-height:36px;padding:6px 12px;text-align:left}
.nt-opts button:hover,.nt-chip:hover{background:var(--nt-verde);color:#fff}
.nt-fb{align-items:center;display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.nt-fb button{background:var(--nt-card);border:1px solid var(--nt-bordo);border-radius:999px;cursor:pointer;font-size:15px;line-height:1;min-height:34px;min-width:40px;padding:6px 10px}
.nt-fb button.on{background:var(--nt-chiaro);border-color:var(--nt-verde);box-shadow:0 0 0 1px var(--nt-verde)}
.nt-fb-ok{color:var(--nt-muto);font-size:12.5px}
.nt-fb-form{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.nt-fb-form select,.nt-fb-form textarea,.nt-fb-form input{background:var(--nt-card);border:1px solid var(--nt-bordo);border-radius:8px;color:var(--nt-testo);font:inherit;font-size:14px;padding:6px 8px;width:100%}
.nt-fb-form .nt-fb-invia{align-self:flex-start;background:var(--nt-verde);border:0;border-radius:8px;color:#fff;cursor:pointer;font-size:14px;min-height:36px;padding:6px 14px}

.nt-form{align-items:center;background:var(--nt-card);border-top:1px solid var(--nt-bordo);display:flex;flex:none;gap:8px;margin:0;padding:10px 12px}
.nt-root .nt-input{background:var(--nt-bg);border:1px solid var(--nt-bordo);border-radius:12px;color:var(--nt-testo);flex:1;font:inherit;font-size:16px;margin:0;min-height:46px;min-width:0;padding:10px 12px}
.nt-root .nt-input:focus{border-color:var(--nt-verde);outline:2px solid rgba(38,107,72,.25)}
.nt-invia{align-items:center;background:var(--nt-verde);border:0;border-radius:12px;color:#fff;cursor:pointer;display:inline-flex;flex:none;height:46px;justify-content:center;padding:0;width:50px}
.nt-invia svg{height:22px;width:22px}
.nt-invia:hover{background:var(--nt-verde-2)}
.nt-privacy{background:var(--nt-card);color:var(--nt-muto);flex:none;font-size:12px!important;line-height:1.4;padding:0 14px 10px}
.nt-root .nt-privacy p{margin:0}.nt-root .nt-privacy .nt-ai{font-size:11.5px!important;margin-top:2px;opacity:.9}

/* ---------- pannello di prova (solo backend) ---------- */
.nt-prova{background:var(--nt-card);border:1px solid var(--nt-bordo);border-radius:16px;display:flex;flex-direction:column;max-height:85vh;overflow:hidden}
.nt-tabs{border-bottom:1px solid var(--nt-bordo);display:flex}
.nt-tabs button{background:none;border:0;border-bottom:2px solid transparent;color:var(--nt-muto);cursor:pointer;flex:1;font-size:13px;padding:10px 6px}
.nt-tabs button[aria-selected=true]{border-bottom-color:var(--nt-verde);color:var(--nt-verde);font-weight:600}
.nt-pane{display:none;flex:1;overflow-y:auto;padding:12px}.nt-pane.on{display:block}
.nt-chips{display:flex;flex-direction:column;gap:6px}
.nt-chip{border-radius:10px;width:100%}.nt-chip small{color:var(--nt-muto);display:block;font-size:11.5px}.nt-chip:hover small{color:#e8f3ec}
.nt-help{color:var(--nt-muto);font-size:12.5px}
.nt-lbl{display:block;font-size:12.5px;font-weight:600;margin:10px 0 4px}
.nt-pane select,.nt-pane input[type=text]{border:1px solid var(--nt-bordo);border-radius:8px;font:inherit;font-size:14px;padding:6px 8px;width:100%}
.nt-chk{align-items:center;color:var(--nt-muto);display:flex;font-size:12.5px;gap:6px;margin-top:10px}
.nt-stat{border-bottom:1px dashed var(--nt-bordo);display:flex;font-size:13px;justify-content:space-between;padding:4px 0}
.nt-btn{background:var(--nt-verde);border:0;border-radius:8px;color:#fff;cursor:pointer;font-size:13px;margin-top:10px;padding:7px 12px}
.nt-pane h4{font-size:13px;margin:14px 0 6px}

/* ---------- widget in basso a destra ---------- */
.nettina-bolla{--nt-dist:24px;--nt-dist-m:16px;--nt-z:9990;--nt-sposta:0px;bottom:calc(var(--nt-dist) + var(--nt-sposta) + env(safe-area-inset-bottom,0px));transition:bottom .25s ease;font-family:inherit;position:fixed;right:calc(var(--nt-dist) + env(safe-area-inset-right,0px));z-index:var(--nt-z)}
.nt-lancia{background:none;border:0;border-radius:24px;cursor:pointer;display:block;padding:0;transition:transform .2s ease}
.nt-lancia:hover{transform:translateY(-3px)}
.nt-lancia-img{display:block;filter:drop-shadow(0 6px 10px rgba(0,0,0,.22));height:104px;width:auto}
/* medaglione: Nettina in un cerchio con bordo bianco e anello arancio (colore di Nettina), leggibile su ogni sfondo */
.nt-lancia.nt-lancia-tondo{background:radial-gradient(circle at 50% 30%,#fffdf8 0,#fdf1dc 70%,#f8e3bf 100%);border-radius:50%;box-shadow:0 0 0 3px #fff,0 0 0 6px var(--nt-arancio),0 10px 26px rgba(0,0,0,.28);height:92px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;width:92px}
.nt-lancia-tondo .nt-lancia-img{filter:none;height:100%;object-fit:cover;transform:translateY(6%) scale(1.06);width:100%}
.nt-lancia.nt-lancia-tondo:hover{box-shadow:0 0 0 3px #fff,0 0 0 6px var(--nt-verde-logo),0 14px 30px rgba(0,0,0,.32);transform:translateY(-3px)}
.nt-lancia.nt-lancia-tondo:focus-visible{box-shadow:0 0 0 3px #fff,0 0 0 6px var(--nt-arancio),0 0 0 9px rgba(254,158,30,.45);outline:none}
.nt-saluta .nt-lancia-tondo .nt-lancia-img{animation:nt-saluto-t 1.2s ease-in-out 1;transform-origin:50% 100%}
@keyframes nt-saluto-t{0%,100%{transform:translateY(6%) scale(1.06) rotate(0)}25%{transform:translateY(6%) scale(1.06) rotate(-7deg)}50%{transform:translateY(6%) scale(1.06) rotate(6deg)}75%{transform:translateY(6%) scale(1.06) rotate(-3deg)}}
/* pillola: Nettina nel medaglione + invito testuale */
.nt-lancia.nt-lancia-pillola{align-items:center;background:#fff;border-radius:999px;box-shadow:0 0 0 2px var(--nt-arancio),0 10px 28px rgba(31,42,36,.28);display:flex;gap:12px;min-height:64px;padding:5px 22px 5px 5px;text-align:left;transition:transform .2s ease,box-shadow .2s ease}
.nt-pill-av{background:radial-gradient(circle at 50% 30%,#fffdf8 0,#fdf1dc 70%,#f8e3bf 100%);border-radius:50%;box-shadow:inset 0 0 0 2px #fff;display:block;flex:none;height:58px;overflow:hidden;width:58px}
.nt-lancia-pillola .nt-lancia-img{display:block;filter:none;height:100%;object-fit:cover;transform:translateY(6%) scale(1.06);width:100%}
.nt-pill-txt{display:flex;flex-direction:column;gap:2px;line-height:1.15;white-space:nowrap}
.nt-pill-txt b{color:var(--nt-scuro);font-size:17px;font-weight:700}
.nt-pill-txt small{color:var(--nt-verde);font-size:12.5px;font-weight:600}
.nt-lancia.nt-lancia-pillola:hover{box-shadow:0 0 0 2px var(--nt-verde-logo),0 14px 32px rgba(31,42,36,.32);transform:translateY(-3px)}
.nt-lancia.nt-lancia-pillola:focus-visible{box-shadow:0 0 0 2px var(--nt-arancio),0 0 0 6px rgba(254,158,30,.45);outline:none}
.nt-saluta .nt-lancia-pillola .nt-lancia-img{animation:nt-saluto-t 1.2s ease-in-out 1;transform-origin:50% 100%}
.nt-con-pillola .nt-fumetto{right:20px}
.nt-lancia-testo{align-items:center;background:var(--nt-verde);border-radius:999px;box-shadow:0 6px 18px rgba(0,0,0,.25);color:#fff;display:flex;font-size:16px;font-weight:700;gap:10px;padding:8px 18px 8px 8px}
.nt-lancia-testo .nt-avatar{height:44px;width:44px}
.nt-fumetto{align-items:center;animation:nt-entra .35s ease-out both;bottom:calc(100% + 4px);display:flex;filter:drop-shadow(0 4px 12px rgba(0,0,0,.18));position:absolute;right:62px;white-space:nowrap}
.nt-fumetto-testo{background:#fff;border:0;border-radius:18px 18px 4px 18px;color:var(--nt-scuro);cursor:pointer;font-size:16px;font-weight:700;min-height:44px;padding:10px 16px}
.nt-fumetto-x{align-items:center;background:#fff;border:1px solid var(--nt-bordo);border-radius:50%;color:var(--nt-muto);cursor:pointer;display:inline-flex;height:28px;justify-content:center;margin-left:-10px;margin-top:-34px;padding:0;width:28px}
.nt-fumetto-x svg{height:14px;width:14px}
@keyframes nt-entra{from{opacity:0;transform:translateY(6px) scale(.96)}to{opacity:1;transform:none}}
.nt-saluta .nt-lancia-img{animation:nt-saluto 1.2s ease-in-out 1;transform-origin:50% 90%}
@keyframes nt-saluto{0%,100%{transform:rotate(0)}20%{transform:rotate(-6deg)}40%{transform:rotate(5deg)}60%{transform:rotate(-3deg)}80%{transform:rotate(2deg)}}
.nt-finestra{background:#fff;border-radius:16px;bottom:0;box-shadow:0 12px 40px rgba(0,0,0,.28);height:min(660px,calc(100vh - 2 * var(--nt-dist) - 16px));position:absolute;right:0;width:400px}
.nt-finestra:focus{outline:none}

@media (max-width:600px){
  .nettina-bolla{bottom:calc(var(--nt-dist-m) + var(--nt-sposta) + env(safe-area-inset-bottom,0px));right:calc(var(--nt-dist-m) + env(safe-area-inset-right,0px))}
  .nt-lancia-img{height:72px}
  .nt-lancia.nt-lancia-tondo{height:68px;width:68px}
  /* su smartphone la pillola resta, più compatta: medaglione 52 px e una sola riga */
  .nt-lancia.nt-lancia-pillola{gap:9px;min-height:56px;padding:4px 16px 4px 4px}
  .nt-lancia-pillola .nt-pill-av{height:48px;width:48px}
  .nt-pill-txt b{font-size:15px}
  .nt-pill-txt small{display:none}
  .nt-con-pillola .nt-fumetto{right:8px}
  .nt-lancia-tondo .nt-lancia-img{height:100%}
  .nt-fumetto{right:44px}
  .nt-fumetto-testo{font-size:15px}
  .nettina-bolla.nt-aperta{inset:0}
  .nt-finestra{border-radius:0;height:100%;inset:0;padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) env(safe-area-inset-left,0px);position:fixed;width:100%}
  .nt-modo-bolla .nt-chat{border-radius:0}
  .nt-modo-bolla .nt-indietro{display:inline-flex}
  .nt-modo-bolla .nt-riduci{display:none}
  .nt-msg{max-width:94%}
  html.nt-chat-aperta,html.nt-chat-aperta body{overflow:hidden}
}
@media (prefers-reduced-motion:reduce){
  .nt-punti i,.nt-saluta .nt-lancia-img,.nt-fumetto{animation:none}
  .nt-lancia,.nt-lancia:hover,.nt-lancia.nt-lancia-tondo:hover,.nt-lancia.nt-lancia-pillola:hover{transition:none;transform:none}
  .nt-saluta .nt-lancia-pillola .nt-lancia-img{animation:none}
  .nettina-bolla{transition:none}
  .nt-saluta .nt-lancia-tondo .nt-lancia-img{animation:none}
}