/* Guida informativa gratuita, interamente locale. Isolata dal CSS del sito. */
.sd-assistant {
  position: fixed;
  right: 24px;
  bottom: 22px;
  z-index: 1100; /* Il banner privacy del sito rimane prioritario (z-index: 2000). */
  color: var(--text);
  font-family: "Avenir Next", Avenir, "Segoe UI", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.55;
}

.sd-assistant * { box-sizing: border-box; }
.sd-assistant button { cursor: pointer; font: inherit; }
.sd-assistant button:focus-visible,
.sd-assistant a:focus-visible,
.sd-assistant input:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.sd-assistant__toggle {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-left: auto;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  padding: 11px 18px 11px 11px;
  background: var(--peacock-dark);
  color: #fff;
  box-shadow: 0 12px 36px rgba(5, 44, 55, .26);
  font-weight: 650;
  transition: transform .2s ease, background .2s ease;
}
.sd-assistant__toggle:hover { background: var(--peacock); transform: translateY(-2px); }
.sd-assistant__toggle-icon {
  display: inline-grid;
  place-items: center;
  flex: 0 0 33px;
  width: 33px;
  height: 33px;
  border: 1px solid var(--gold-soft);
  border-radius: 50%;
  color: var(--gold-soft);
  font-family: Baskerville, Georgia, serif;
  font-size: 26px;
  line-height: 1;
}
.sd-assistant__toggle-label { white-space: nowrap; }

.sd-assistant__panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 13px);
  width: min(405px, calc(100vw - 24px));
  max-height: min(670px, calc(100dvh - 112px));
  overflow-y: auto;
  border: 1px solid rgba(201, 154, 61, .4);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: 0 22px 70px rgba(5, 44, 55, .24);
  overscroll-behavior: contain;
}
.sd-assistant__panel[hidden],
.sd-assistant__reply[hidden] { display: none; }

.sd-assistant__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  background: var(--peacock-dark);
  color: #fff;
}
.sd-assistant__header > div { display: grid; gap: 3px; }
.sd-assistant__eyebrow {
  color: var(--gold-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.sd-assistant__header strong {
  color: #fff;
  font-family: Baskerville, Georgia, serif;
  font-size: 23px;
  font-weight: 500;
  line-height: 1.15;
}
.sd-assistant__close {
  flex: 0 0 37px;
  height: 37px;
  border: 1px solid rgba(255, 255, 255, .4);
  border-radius: 50%;
  background: transparent;
  color: #fff;
  font-size: 25px !important;
  line-height: 1 !important;
}
.sd-assistant__close:hover { background: rgba(255, 255, 255, .14); }
.sd-assistant__body { display: grid; gap: 16px; padding: 19px; }
.sd-assistant__intro {
  margin: 0;
  color: var(--text);
  font-size: 13px;
  line-height: 1.55;
}
.sd-assistant__intro strong { color: var(--peacock-dark); }
.sd-assistant__choices { display: grid; grid-template-columns: 1fr; gap: 8px; }
.sd-assistant__choices button {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 10px 13px;
  background: var(--ivory);
  color: var(--peacock-dark);
  font-size: 13px;
  font-weight: 650;
  text-align: left;
}
.sd-assistant__choices button:hover {
  border-color: var(--border-gold);
  background: var(--ivory-deep);
}
.sd-assistant__reply {
  border: 1px solid rgba(201, 154, 61, .35);
  border-left: 3px solid var(--gold);
  border-radius: 10px;
  padding: 12px 13px;
  background: rgba(234, 213, 164, .18);
}
.sd-assistant__reply p { margin: 0; color: var(--text); font-size: 13px; }
.sd-assistant__reply a {
  display: inline-block;
  margin-top: 10px;
  color: var(--peacock);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.sd-assistant__form { display: grid; gap: 7px; }
.sd-assistant__form label { color: var(--peacock-dark); font-size: 12px; font-weight: 700; }
.sd-assistant__form-row { display: flex; gap: 6px; }
.sd-assistant__form-row input {
  flex: 1 1 auto;
  min-width: 0;
  border: 1px solid rgba(13, 83, 100, .28);
  border-radius: 10px;
  padding: 10px 11px;
  background: white;
  color: var(--text);
  font: inherit;
  font-size: 12px;
}
.sd-assistant__form-row button {
  flex: 0 0 auto;
  border: 0;
  border-radius: 10px;
  padding: 9px 13px;
  background: var(--peacock);
  color: white;
  font-size: 12px;
  font-weight: 700;
}
.sd-assistant__form-row button:hover { background: var(--peacock-dark); }
.sd-assistant__note {
  margin: 0;
  border-top: 1px solid var(--border);
  padding-top: 11px;
  color: var(--text-soft);
  font-size: 11px;
  line-height: 1.55;
}

@media (max-width: 620px) {
  .sd-assistant { right: 12px; bottom: 13px; }
  .sd-assistant__panel {
    max-height: calc(100dvh - 95px);
    border-radius: 17px;
  }
  .sd-assistant__toggle { padding: 9px 13px 9px 9px; }
  .sd-assistant__body { padding: 15px; gap: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .sd-assistant__toggle { transition: none; }
  .sd-assistant__toggle:hover { transform: none; }
}