:root {
  --pduas-bg: #ffffff;
  --pduas-text: #1f2a24;
  --pduas-muted: #66736b;
  --pduas-border: #dfe7e1;
  --pduas-brand: #6F8A4B;
  --pduas-hover: #A85941;
  --pduas-accent: #245b3a;
  --pduas-accent-soft: #edf5ef;
  --pduas-quick-bg: #edf5ef;
  --pduas-quick-text: #244c33;
  --pduas-answer-bg: #ffffff;
  --pduas-answer-text: #1f2a24;
  --pduas-user: #6F8A4B;
  --pduas-user-text: #ffffff;
  --pduas-shadow: 0 18px 55px rgba(20, 48, 31, .22);
}

.pdu-assistente,
.pdu-assistente * {
  box-sizing: border-box;
}

.pdu-assistente {
  font-family: inherit;
  color: var(--pduas-text);
}

.pdu-assistente--floating {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 99998;
}

.pdu-assistente__launcher {
  border: 0;
  border-radius: 999px;
  background: var(--pduas-brand);
  color: #fff;
  padding: 13px 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--pduas-shadow);
}

.pdu-assistente__launcher:hover,
.pdu-assistente__launcher:focus-visible {
  filter: brightness(.96);
}

.pdu-assistente__send:hover,
.pdu-assistente__send:focus-visible {
  background: var(--pduas-hover);
  color: #fff;
  filter: none;
}

.pdu-assistente__launcher-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.pdu-assistente__launcher-icon img {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.pdu-assistente__panel {
  width: min(390px, calc(100vw - 28px));
  background: var(--pduas-bg);
  border: 0;
  outline: 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--pduas-shadow);
}

.pdu-assistente--floating .pdu-assistente__panel {
  position: absolute;
  right: 0;
  bottom: 64px;
  max-height: min(680px, calc(100vh - 110px));
}

.pdu-assistente--inline .pdu-assistente__panel {
  width: min(760px, 100%);
  margin: 20px auto;
  box-shadow: 0 8px 30px rgba(20, 48, 31, .10);
}

.pdu-assistente__header {
  background: var(--pduas-brand);
  color: #fff;
  padding: 16px 18px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.pdu-assistente__eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  opacity: .8;
  margin-bottom: 2px;
}

.pdu-assistente__title {
  color: #fff;
  font-size: 18px;
  line-height: 1.2;
  margin: 0;
}

.pdu-assistente__close {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.13);
  color: #fff;
  cursor: pointer;
}

/* X disegnata via CSS: resta perfettamente centrata su tutti i browser/font. */
.pdu-assistente__close::before,
.pdu-assistente__close::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 16px;
  height: 3px;
  border-radius: 999px;
  background: currentColor;
  transform-origin: center;
}

.pdu-assistente__close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.pdu-assistente__close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.pdu-assistente__body {
  padding: 14px;
  background: #f8faf8;
  max-height: 470px;
  overflow-y: auto;
}

.pdu-assistente__messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pdu-assistente__message {
  display: flex;
  flex-direction: column;
  max-width: 92%;
}

.pdu-assistente__message--assistant {
  align-self: flex-start;
}

.pdu-assistente__message--user {
  align-self: flex-end;
}

.pdu-assistente__bubble {
  padding: 11px 13px;
  border-radius: 15px;
  font-size: 14px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.pdu-assistente__message--assistant .pdu-assistente__bubble {
  background: var(--pduas-answer-bg);
  color: var(--pduas-answer-text);
  border: 1px solid var(--pduas-border);
  border-bottom-left-radius: 5px;
}

.pdu-assistente__message--user .pdu-assistente__bubble {
  background: var(--pduas-user);
  color: var(--pduas-user-text);
  border-bottom-right-radius: 5px;
}

.pdu-assistente__source {
  margin: 5px 4px 0;
  font-size: 11px;
  line-height: 1.35;
  color: var(--pduas-muted);
}

.pdu-assistente__source a {
  color: var(--pduas-accent);
  text-decoration: underline;
}

.pdu-assistente__quick {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
}

.pdu-assistente__quick-button {
  appearance: none;
  border: 1px solid #cfe0d4;
  background: var(--pduas-quick-bg);
  color: var(--pduas-quick-text);
  border-radius: 12px;
  padding: 10px;
  text-align: left;
  font: inherit;
  font-size: 12px;
  line-height: 1.3;
  cursor: pointer;
}

.pdu-assistente__quick-button:hover,
.pdu-assistente__quick-button:focus,
.pdu-assistente__quick-button:focus-visible,
.pdu-assistente__quick-button:active {
  background: #e2f0e6 !important;
  border-color: #a9c8b2 !important;
  color: var(--pduas-brand) !important;
  box-shadow: none !important;
  outline: none !important;
  filter: none !important;
}

/* Evita il flash rosso/bianco imposto da alcuni temi durante il click/tap. */
.pdu-assistente__quick-button {
  -webkit-tap-highlight-color: transparent;
}
.pdu-assistente__quick-button:visited {
  color: #244c33 !important;
}

.pdu-assistente__form {
  padding: 12px;
  border-top: 1px solid var(--pduas-border);
  background: #fff;
  display: flex;
  gap: 8px;
}

.pdu-assistente__input {
  flex: 1 1 auto;
  min-width: 0;
  height: 42px;
  border: 1px solid #cad6ce;
  border-radius: 12px;
  padding: 0 12px;
  font: inherit;
  font-size: 14px;
  color: var(--pduas-text);
  background: #fff;
}

.pdu-assistente__input:focus {
  outline: 2px solid rgba(36,91,58,.16);
  border-color: var(--pduas-accent);
}

.pdu-assistente__send {
  border: 0;
  border-radius: 12px;
  background: var(--pduas-brand);
  color: #fff;
  padding: 0 15px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.pdu-assistente__send:disabled,
.pdu-assistente__input:disabled {
  opacity: .65;
  cursor: wait;
}

.pdu-assistente__privacy {
  padding: 0 14px 12px;
  background: #fff;
  color: var(--pduas-muted);
  font-size: 10.5px;
  line-height: 1.35;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 600px) {
  .pdu-assistente--floating {
    right: 10px;
    bottom: 10px;
  }

  .pdu-assistente--floating .pdu-assistente__panel {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: 76px;
    width: auto;
    max-height: calc(100vh - 92px);
  }

  .pdu-assistente__body {
    max-height: calc(100vh - 260px);
  }

  .pdu-assistente__quick {
    grid-template-columns: 1fr;
  }

  .pdu-assistente__launcher {
    padding: 12px 15px;
  }
}


/* Smartphone: launcher compatto, solo goccia. */
@media (max-width: 680px) {
  .pdu-assistente--floating {
    right: 14px;
    bottom: 14px;
  }

  .pdu-assistente--floating .pdu-assistente__launcher {
    width: 56px;
    height: 56px;
    padding: 0;
    justify-content: center;
    gap: 0;
  }

  .pdu-assistente--floating .pdu-assistente__launcher-label {
    display: none;
  }

  .pdu-assistente--floating .pdu-assistente__launcher-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    line-height: 1;
  }

  .pdu-assistente--floating .pdu-assistente__launcher-icon img {
    width: 36px;
    height: 36px;
  }
}