/* Base chatbot widget styles */
.chatbot-widget {
  --chatbot-primary-color: #007bff;
  --chatbot-secondary-color: #6c757d;
  --chatbot-background-color: #ffffff;
  --chatbot-text-color: #333333;
  --chatbot-border-color: #dee2e6;
  --chatbot-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --chatbot-border-radius: 8px;
  --chatbot-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --chatbot-font-size: 14px;
  --chatbot-line-height: 1.5;

  position: fixed;
  z-index: 9999;
  font-family: var(--chatbot-font-family);
  font-size: var(--chatbot-font-size);
  line-height: var(--chatbot-line-height);
}

.chatbot-widget.position-bottom-right {
  bottom: 20px;
  right: 20px;
}

.chatbot-widget.position-bottom-left {
  bottom: 20px;
  left: 20px;
}

.chatbot-widget.position-top-right {
  top: 20px;
  right: 20px;
}

.chatbot-widget.position-top-left {
  top: 20px;
  left: 20px;
}

/* Trigger button */
.chatbot-trigger {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--chatbot-primary-color);
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  box-shadow: var(--chatbot-shadow);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chatbot-trigger:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.chatbot-trigger.open {
  background: var(--chatbot-secondary-color);
}

/* Chat container */
.chatbot-container {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 350px;
  height: 500px;
  background: var(--chatbot-background-color);
  border-radius: var(--chatbot-border-radius);
  box-shadow: var(--chatbot-shadow);
  display: none;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--chatbot-border-color);
}

.chatbot-container.open {
  display: flex;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header */
.chatbot-header {
  padding: 16px;
  background: var(--chatbot-primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--chatbot-border-color);
}

.chatbot-title {
  font-weight: 600;
  margin: 0;
  font-size: 16px;
}

.chatbot-close {
  background: none;
  border: none;
  color: white;
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.chatbot-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Agent selector */
.chatbot-agent-selector {
  padding: 12px 16px;
  border-bottom: 1px solid var(--chatbot-border-color);
  background: #f8f9fa;
}

.chatbot-agent-select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--chatbot-border-color);
  border-radius: 4px;
  background: white;
  font-size: var(--chatbot-font-size);
  cursor: pointer;
}

.chatbot-agent-select:focus {
  outline: none;
  border-color: var(--chatbot-primary-color);
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

/* Messages area */
.chatbot-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  background: var(--chatbot-background-color);
}

.chatbot-message {
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chatbot-message.user {
  flex-direction: row-reverse;
}

.chatbot-message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--chatbot-primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.chatbot-message.user .chatbot-message-avatar {
  background: var(--chatbot-secondary-color);
}

.chatbot-message-content {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 18px;
  background: #f1f3f4;
  color: var(--chatbot-text-color);
  word-wrap: break-word;
}

.chatbot-message.user .chatbot-message-content {
  background: var(--chatbot-primary-color);
  color: white;
}

.chatbot-message-time {
  font-size: 11px;
  color: var(--chatbot-secondary-color);
  margin-top: 4px;
  text-align: center;
}

/* Input area */
.chatbot-input-area {
  padding: 16px;
  border-top: 1px solid var(--chatbot-border-color);
  background: var(--chatbot-background-color);
}

.chatbot-input-container {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.chatbot-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--chatbot-border-color);
  border-radius: 20px;
  resize: none;
  min-height: 20px;
  max-height: 100px;
  font-family: inherit;
  font-size: var(--chatbot-font-size);
  line-height: var(--chatbot-line-height);
}

.chatbot-input:focus {
  outline: none;
  border-color: var(--chatbot-primary-color);
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.chatbot-input::placeholder {
  color: var(--chatbot-secondary-color);
}

.chatbot-send-button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--chatbot-primary-color);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background-color 0.2s;
  flex-shrink: 0;
}

.chatbot-send-button:hover:not(:disabled) {
  background: #0056b3;
}

.chatbot-send-button:disabled {
  background: var(--chatbot-secondary-color);
  cursor: not-allowed;
}

/* Typing indicator */
.chatbot-typing {
  display: none;
  padding: 12px 16px;
  color: var(--chatbot-secondary-color);
  font-style: italic;
  font-size: 13px;
}

.chatbot-typing.show {
  display: block;
}

.chatbot-typing::after {
  content: '';
  animation: typing 1.5s infinite;
}

@keyframes typing {
  0%, 60%, 100% {
    content: '';
  }
  20% {
    content: '.';
  }
  40% {
    content: '..';
  }
  80% {
    content: '...';
  }
}

/* Scrollbar styling */
.chatbot-messages::-webkit-scrollbar {
  width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

.chatbot-messages::-webkit-scrollbar-thumb {
  background: var(--chatbot-secondary-color);
  border-radius: 3px;
}

.chatbot-messages::-webkit-scrollbar-thumb:hover {
  background: #495057;
}

/* Mobile responsive */
@media (max-width: 480px) {
  .chatbot-container {
    width: calc(100vw - 40px);
    height: calc(100vh - 140px);
    max-width: 350px;
    max-height: 500px;
  }
  
  .chatbot-widget.position-bottom-right,
  .chatbot-widget.position-bottom-left {
    left: 20px;
    right: 20px;
  }
  
  .chatbot-container {
    right: 0;
    left: 0;
  }
}