/* ==========================================================================
   ISB Chatbot widget
   - Il LAUNCHER si integra nella famiglia .qa-btn (Chiama/WA/Mail) come quarto bottone
   - Il PANEL apre sopra tutto, ma rispetta la TOC mobile e Iubenda
   ========================================================================== */

:root {
  --cb-brand:       #1f4a64;
  --cb-brand-2:     #2b8aa0;
  --cb-gold:        #d4af37;
  --cb-ink:         #0a172c;
  --cb-muted:       rgba(10, 23, 44, .68);
  --cb-line:        rgba(10, 23, 44, .10);
  --cb-bg:          #ffffff;
  --cb-bubble-user: #e8f1f5;
  --cb-bubble-bot:  #f7f7fb;
  --cb-shadow:      0 18px 45px rgba(10, 23, 44, .18);
  --cb-radius:      18px;
}

/* ============================================
   LAUNCHER come membro di .quick-actions
   - Eredita posizione/stack dal contenitore esistente
   - Icona + testo come gli altri qa-btn (desktop)
   - Solo cerchio icon-only su mobile (sotto 900px) come gli altri
   ============================================ */
/* Bottone chat: si distingue dagli altri qa-btn (Chiama / WA / Mail) per
   essere ovviamente "una chat". Solid color, bordo brand, text bianco. */
.qa-btn--chat {
  cursor: pointer;
  font-family: inherit;
  border: 1px solid color-mix(in srgb, var(--cb-brand) 50%, transparent);
  background: linear-gradient(135deg, var(--cb-brand) 0%, var(--cb-brand-2) 100%);
  color: #fff !important;
  box-shadow: 0 14px 32px rgba(31, 74, 100, .35), inset 0 1px 0 rgba(255,255,255,.12);
  position: relative;
}
.qa-btn--chat .qa-txt {
  color: #fff;
  letter-spacing: -.005em;
}
.qa-btn--chat:hover {
  background: linear-gradient(135deg, var(--cb-brand-2) 0%, var(--cb-brand) 100%);
  box-shadow: 0 18px 38px rgba(43, 138, 160, .42), inset 0 1px 0 rgba(255,255,255,.15);
}
.qa-btn--chat:focus-visible {
  outline: 2px solid var(--cb-gold);
  outline-offset: 3px;
}
.qa-btn--chat .qa-ic {
  background: rgba(255, 255, 255, .18);
  border-color: rgba(255, 255, 255, .22);
  color: #fff;
}
.qa-btn--chat .qa-ic svg {
  width: 22px; height: 22px;
  color: #fff;
}
.qa-btn--chat[hidden] {
  display: none !important;
}

/* Pulse soft per attirare l'attenzione la prima volta che la pagina si carica.
   Cessa dopo 6s o al primo hover. */
@keyframes cb-launcher-pulse {
  0%   { box-shadow: 0 14px 32px rgba(31, 74, 100, .35), 0 0 0 0   rgba(43,138,160, .55); }
  70%  { box-shadow: 0 14px 32px rgba(31, 74, 100, .35), 0 0 0 14px rgba(43,138,160, 0); }
  100% { box-shadow: 0 14px 32px rgba(31, 74, 100, .35), 0 0 0 0   rgba(43,138,160, 0); }
}
.qa-btn--chat:not(:hover) {
  animation: cb-launcher-pulse 2.6s ease-out 2;
}
@media (prefers-reduced-motion: reduce) {
  .qa-btn--chat { animation: none !important; }
}

/* Quando il pannello e' aperto, nascondiamo TUTTI i quick actions
   per non vederli "spuntare" sotto il pannello su desktop. */
body.isb-chatbot-open .quick-actions {
  visibility: hidden;
}

/* Indicatore DEBUG — minuscolo, sopra al launcher dentro la colonna */
.isb-chatbot-debug-badge {
  position: fixed;
  right: 18px;
  bottom: calc(var(--fixed-bottom-bis, 14px) + 220px);
  z-index: 1000;
  background: var(--cb-gold);
  color: var(--cb-ink);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  pointer-events: none;
  box-shadow: 0 2px 6px rgba(0,0,0,.2);
}
@media (max-width: 899px) {
  .isb-chatbot-debug-badge {
    right: 14px;
    bottom: 70px; /* sopra la row di icone */
  }
}

/* ============================================
   PANEL chat
   ============================================ */
.isb-chatbot-panel {
  position: fixed;
  right: 18px;
  bottom: var(--fixed-bottom-bis, 14px);
  z-index: 10000;
  width: min(380px, calc(100vw - 36px));
  height: min(620px, calc(100vh - 80px));
  background: var(--cb-bg);
  border-radius: var(--cb-radius);
  box-shadow: var(--cb-shadow);
  display: none;
  flex-direction: column;
  overflow: hidden;
  font-family: inherit;
  color: var(--cb-ink);
}
.isb-chatbot-panel.is-open { display: flex; }

.isb-chatbot-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  background: linear-gradient(135deg, var(--cb-brand), var(--cb-brand-2));
  color: #fff;
}
.isb-chatbot-header-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.18);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px;
}
.isb-chatbot-header-title { font-weight: 700; font-size: 15px; line-height: 1.15; }
.isb-chatbot-header-sub   { font-size: 12px; opacity: .85; line-height: 1.2; }
.isb-chatbot-header-close {
  margin-left: auto;
  background: transparent; color: #fff; border: none;
  width: 32px; height: 32px; border-radius: 50%;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.isb-chatbot-header-close:hover { background: rgba(255,255,255,.15); }

.isb-chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex; flex-direction: column; gap: 10px;
  background: #fafbfc;
}
.isb-chatbot-msg {
  max-width: 85%;
  padding: 10px 13px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.isb-chatbot-msg--bot  { align-self: flex-start; background: var(--cb-bubble-bot);  border-top-left-radius: 4px; }
.isb-chatbot-msg--user { align-self: flex-end;   background: var(--cb-bubble-user); border-top-right-radius: 4px; }
.isb-chatbot-msg--err  { align-self: flex-start; background: #fde9e7; color: #7a1a10; border-top-left-radius: 4px; }
.isb-chatbot-msg strong { font-weight: 700; }
.isb-chatbot-msg a { color: var(--cb-brand-2); text-decoration: underline; }

.isb-chatbot-typing {
  display: inline-flex; gap: 4px; align-items: center; padding: 12px 14px;
  align-self: flex-start; background: var(--cb-bubble-bot); border-radius: 14px;
  border-top-left-radius: 4px;
}
.isb-chatbot-typing span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--cb-muted);
  animation: cb-blink 1.2s infinite ease-in-out both;
}
.isb-chatbot-typing span:nth-child(2) { animation-delay: .2s; }
.isb-chatbot-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes cb-blink {
  0%, 80%, 100% { opacity: .25; transform: scale(.85); }
  40%           { opacity: 1;   transform: scale(1); }
}

.isb-chatbot-footer {
  border-top: 1px solid var(--cb-line);
  padding: 10px 12px;
  background: #fff;
}
.isb-chatbot-form {
  display: flex; gap: 8px; align-items: flex-end;
}
.isb-chatbot-input {
  flex: 1;
  min-height: 40px; max-height: 120px;
  padding: 10px 12px;
  border: 1px solid var(--cb-line);
  border-radius: 12px;
  font: inherit;
  font-size: 14px;
  resize: none;
  background: #fff;
  color: var(--cb-ink);
  outline: none;
}
.isb-chatbot-input:focus {
  border-color: var(--cb-brand-2);
  box-shadow: 0 0 0 2px rgba(43,138,160,.18);
}

.isb-chatbot-send {
  width: 40px; height: 40px;
  border: none; border-radius: 12px;
  background: var(--cb-brand); color: #fff;
  cursor: pointer; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
}
.isb-chatbot-send:hover:not(:disabled) { background: var(--cb-brand-2); }
.isb-chatbot-send:disabled { opacity: .5; cursor: not-allowed; }

.isb-chatbot-disclaimer {
  margin-top: 8px;
  font-size: 11px;
  color: var(--cb-muted);
  text-align: center;
}

/* ============================================
   MOBILE
   - Pannello full-width sotto, lascia respiro al TOC e iubenda
   - Quando aperto, hide TOC button e Iubenda badge per non sovrapporsi
   ============================================ */
@media (max-width: 899px) {
  .isb-chatbot-panel {
    right: 8px;
    left: 8px;
    width: auto;
    bottom: 8px;
    max-height: calc(100vh - 16px);
    height: auto;
    border-radius: var(--cb-radius);
  }

  /* Quando il pannello e' aperto su mobile, evitiamo che TOC e iubenda
     compaiano sopra di lui. */
  body.isb-chatbot-open .toc-mobile__btn,
  body.isb-chatbot-open #iubenda-cs-banner,
  body.isb-chatbot-open .iubenda-tp-btn,
  body.isb-chatbot-open .iubenda-cs-preferences-link {
    visibility: hidden !important;
    pointer-events: none !important;
  }
}

/* ============================================
   Coerenza con TOC mobile e Iubenda
   ============================================ */

/* TOC mobile ("Sezioni"):
   per non finire in collisione con la row di quick-actions (4 icone) sulla
   destra, lo solleviamo ~70px quando il widget chatbot e' presente. */
@media (max-width: 899px) {
  body.isb-chatbot-active .toc-mobile__btn {
    bottom: calc(var(--fixed-bottom) + 70px) !important;
  }
}

/* Iubenda (banner cookie + bottone preferenze):
   - Banner cookie a tutta larghezza: il nostro panel (z-index 10000) gli sta
     comunque sopra, ma quando il pannello e' aperto nascondiamo le UI di
     iubenda per non distrarre.
   - Bottone "preferenze cookie" piccolo (key/scudo) bottom-left: lasciamo
     che convivano col launcher (siamo a destra, lui a sinistra). */
body.isb-chatbot-open #iubenda-cs-banner,
body.isb-chatbot-open .iubenda-tp-btn,
body.isb-chatbot-open .iub-cn-buttons,
body.isb-chatbot-open .iubenda-cs-preferences-link {
  visibility: hidden !important;
  pointer-events: none !important;
}

/* Su mobile, il bottone iubenda preferenze tende a stare bottom-left a
   ~10px. Se compare nello stesso spazio di TOC, alziamolo leggermente
   anche lui per coerenza. */
@media (max-width: 899px) {
  body.isb-chatbot-active .iubenda-tp-btn {
    bottom: calc(var(--fixed-bottom) + 70px) !important;
  }
}