/* ==========================================================================
   chat: FAQ as a conversation. Each message appears as "typing" dots and
   grows into a full bubble (from template Tessera "FAQ", js/modules/chat.js)
   ========================================================================== */

.chat {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  gap: var(--space-xl);
  padding-block: var(--space-xl);
}

.chat__head {
  display: grid;
  justify-items: center;
  gap: var(--space-md);
  max-width: 40rem;
  text-align: center;
}

.chat__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
  gap: 2.5rem;
  width: 100%;
  max-width: 56rem;
}

.chat__exchange {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.chat__row {
  display: flex;
  align-items: flex-start;
  margin: 0;
}

.chat__row--question {
  justify-content: flex-start;
}

.chat__row--answer {
  justify-content: flex-end;
}

.chat__message {
  position: relative;
  max-width: 90%;
  padding: 1rem 1.25rem;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.chat__message--question {
  border-bottom-left-radius: 0.15rem;
  background-color: var(--color-white);
  color: var(--color-teal);
  box-shadow: 0 1px 0 var(--line);
}

.chat__message--answer {
  border-bottom-right-radius: 0.15rem;
  background-color: var(--color-teal);
  color: var(--color-ivory);
}

.chat__text {
  max-width: 34rem;
  font-size: 1rem;
  line-height: 1.55;
}

.chat__message--question .chat__text {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.05rem + 0.4vw, 1.4rem);
  line-height: 1.3;
}

/* typing indicator (three dots) */
.chat__typing {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.chat__typing span {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background-color: currentColor;
  animation: chat-typing 1s infinite ease-in-out;
}

.chat__typing span:nth-child(2) { animation-delay: 0.2s; }
.chat__typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes chat-typing {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-0.25rem); }
}


@media (min-width: 768px) {
  .chat__message {
    max-width: 70%;
    padding: 1.5rem 2rem;
  }

  .chat__list {
    width: min(80%, 56rem);
    gap: 3rem;
  }
}