.wpai-chatbot {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
  font-family: Arial, sans-serif;
  max-width: calc(100vw - 24px);
}

.wpai-chatbot__toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #0b1f3a 0%, #0f5aa9 55%, #2eb1ff 100%);
  color: #fff;
  padding: 14px 20px;
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 14px 34px rgba(15, 90, 169, 0.34);
}

.wpai-chatbot__toggle-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #7dd3fc;
  box-shadow: 0 0 0 6px rgba(125, 211, 252, 0.18);
}

.wpai-chatbot__panel {
  width: 390px;
  max-width: calc(100vw - 24px);
  margin-top: 12px;
  border: 1px solid rgba(46, 177, 255, 0.45);
  border-radius: 22px;
  background: linear-gradient(180deg, #f9fdff 0%, #ffffff 100%);
  box-shadow: 0 24px 50px rgba(7, 33, 68, 0.24);
  overflow: hidden;
  animation: wpai-chatbot-pulse 3.2s ease-in-out infinite;
}

.wpai-chatbot__header {
  padding: 18px 18px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  background: linear-gradient(135deg, #071d36 0%, #0f5aa9 58%, #38bdf8 100%);
  color: #fff;
}

.wpai-chatbot__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wpai-chatbot__brand-logo {
  width: 120px;
  max-width: 42%;
  height: auto;
}

.wpai-chatbot__brand-title {
  display: block;
  font-size: 15px;
}

.wpai-chatbot__brand-subtitle {
  margin-top: 4px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.84);
}

.wpai-chatbot__messages {
  max-height: 360px;
  overflow-y: auto;
  padding: 18px;
  background:
    radial-gradient(circle at top right, rgba(46, 177, 255, 0.12), transparent 34%),
    linear-gradient(180deg, #eef8ff 0%, #f8fbfd 100%);
}

.wpai-chatbot__message {
  margin-bottom: 12px;
  padding: 13px 14px;
  border-radius: 16px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.wpai-chatbot__message--user {
  background: linear-gradient(135deg, #0d284a 0%, #0f5aa9 100%);
  color: #fff;
  margin-left: 28px;
}

.wpai-chatbot__message--assistant {
  background: #fff;
  border: 1px solid rgba(148, 163, 184, 0.28);
  color: #0f172a;
  margin-right: 28px;
}

.wpai-chatbot__sources {
  margin: -4px 28px 12px 0;
  font-size: 12px;
  color: #0f5aa9;
}

.wpai-chatbot__sources a {
  color: #0f5aa9;
  margin-right: 8px;
  font-weight: 600;
}

.wpai-chatbot__form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px 18px;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  background: #fff;
}

.wpai-chatbot__input {
  width: 100%;
  resize: vertical;
  min-height: 72px;
  padding: 12px 14px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 14px;
  background: #f8fbff;
}

.wpai-chatbot__input:focus {
  outline: none;
  border-color: #38bdf8;
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.16);
}

.wpai-chatbot__submit {
  align-self: flex-end;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #0b1f3a 0%, #0f5aa9 55%, #2eb1ff 100%);
  color: #fff;
  padding: 11px 18px;
  cursor: pointer;
  font-weight: 700;
}

.wpai-chatbot__submit:disabled {
  opacity: 0.6;
  cursor: wait;
}

@keyframes wpai-chatbot-pulse {
  0%,
  100% {
    box-shadow:
      0 24px 50px rgba(7, 33, 68, 0.24),
      0 0 0 0 rgba(46, 177, 255, 0.16);
  }

  50% {
    box-shadow:
      0 24px 50px rgba(7, 33, 68, 0.28),
      0 0 0 7px rgba(46, 177, 255, 0.06);
  }
}

@media (max-width: 480px) {
  .wpai-chatbot {
    right: 12px;
    bottom: 12px;
  }

  .wpai-chatbot__panel {
    width: calc(100vw - 24px);
  }

  .wpai-chatbot__brand-logo {
    width: 92px;
  }
}