#seller-chatbot-root {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#seller-chatbot-toggle {
  background: #2c3e50;
  color: #fff;
  border: none;
  border-radius: 24px;
  padding: 12px 20px;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

#seller-chatbot-toggle:hover {
  background: #1a252f;
}

#seller-chatbot-panel {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 340px;
  max-height: 480px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#seller-chatbot-panel[hidden] {
  display: none;
}

#seller-chatbot-header {
  background: #2c3e50;
  color: #fff;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#seller-chatbot-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}

#seller-chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 200px;
}

.seller-chatbot-message {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.4;
  max-width: 90%;
  white-space: pre-wrap;
}

.seller-chatbot-message-user {
  align-self: flex-end;
  background: #2c3e50;
  color: #fff;
}

.seller-chatbot-message-assistant {
  align-self: flex-start;
  background: #f1f1f1;
  color: #222;
}

.seller-chatbot-message-error {
  align-self: flex-start;
  background: #fde8e8;
  color: #9b1c1c;
}

.seller-chatbot-sources {
  font-size: 11px;
  color: #777;
  padding: 0 4px;
}

.seller-chatbot-source {
  font-style: italic;
}

#seller-chatbot-form {
  display: flex;
  border-top: 1px solid #e5e5e5;
  padding: 8px;
  gap: 8px;
}

#seller-chatbot-input {
  flex: 1;
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 14px;
}

#seller-chatbot-form button[type="submit"] {
  background: #2c3e50;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
}

#seller-chatbot-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: default;
}

@media (max-width: 480px) {
  #seller-chatbot-panel {
    width: calc(100vw - 24px);
    right: 12px;
  }
}