@media (min-width: 768px) {
  .ai-textarea {
    width: 500px !important;
  }
}
@media (max-width: 767px) {
  .ai-textarea {
    width: 100% !important;
  }
}

/* ---------- AI 容器 ---------- */
.ai-container {
  width: 90%;
  max-width: 500px;
  margin: 0 auto 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ai-textarea {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  font-size: 1rem;
  padding: 12px;
  border: 1px solid var(--general-border-color);
  border-radius: 8px;
  background: #fff;
}

.char-count {
  position: absolute;
  right: 12px;
  bottom: 8px;
  color: var(--secondary-font-color);
  font-size: 12px;
}

.ai-button-group {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.ai-reset,
.ai-send {
  padding: 6px 12px;
  font-size: 0.9rem;
  border: 1px solid var(--general-border-color);
  border-radius: 0.5rem;
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}
.ai-send.active {
  background-color: var(--primary-color);
  color: var(--white-color);
  border-color: var(--primary-color);
}

/* ---------- 驗證與打字區 ---------- */
.turnstile-container {
  display: none;
  justify-content: center;
  margin: 20px 0;
}
.verification-message {
  display: none;
  text-align: center;
  font-size: 14px;
  color: var(--secondary-font-color);
}
.typing-container {
  display: none;
  margin-top: 20px;
  padding: 15px;
  background: var(--light-grey-bg);
  border-radius: 8px;
}