/* ========================================
   AI Chatbot Widget Styles
   ======================================== */

.chat-widget-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Chat Toggle Button (Floating) */
.chat-toggle-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-toggle-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(102, 126, 234, 0.6);
}

.chat-toggle-btn:active {
  transform: scale(0.95);
}

.chat-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: #ff4757;
  color: white;
  border-radius: 12px;
  padding: 2px 6px;
  font-size: 11px;
  font-weight: bold;
  min-width: 20px;
  text-align: center;
}

/* Chat Window */
.chat-window {
  width: 380px;
  height: 600px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.3s ease;
}

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

/* Chat Header */
.chat-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 16px 16px 0 0;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.chat-header-text h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.chat-status {
  font-size: 12px;
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 5px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2ecc71;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.chat-header-actions {
  display: flex;
  gap: 8px;
}

.btn-icon {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Chat Messages */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: #f5f7fa;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: #cbd5e0;
  border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: #a0aec0;
}

/* Message Wrapper */
.message-wrapper {
  display: flex;
  animation: fadeIn 0.3s ease;
}

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

.message-user {
  justify-content: flex-end;
}

.message-bot {
  justify-content: flex-start;
}

/* Message Bubble */
.message-bubble {
  display: flex;
  gap: 10px;
  max-width: 80%;
  align-items: flex-end;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.message-user .message-avatar {
  background: #4a5568;
}

.message-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.message-text {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.message-bot .message-text {
  background: white;
  color: #2d3748;
  border-bottom-left-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.message-user .message-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-bottom-right-radius: 4px;
}

.error-message .message-text {
  background: #fed7d7;
  color: #c53030;
  border-left: 3px solid #fc8181;
}

.message-time {
  font-size: 11px;
  color: #a0aec0;
  padding: 0 8px;
}

.message-user .message-time {
  text-align: right;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  background: white;
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e0;
  animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.7;
  }
  30% {
    transform: translateY(-10px);
    opacity: 1;
  }
}

/* Empty State */
.chat-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: #a0aec0;
  text-align: center;
}

.chat-empty-state i {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.chat-empty-state p {
  font-size: 14px;
}

/* Quick Actions */
.chat-quick-actions {
  padding: 0 20px 10px 20px;
  background: #f5f7fa;
  border-top: 1px solid #e2e8f0;
}

.quick-actions-label {
  font-size: 12px;
  color: #718096;
  margin-bottom: 8px;
  font-weight: 500;
}

.quick-action-btn {
  display: block;
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 6px;
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 13px;
  color: #4a5568;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.quick-action-btn:hover {
  background: #edf2f7;
  border-color: #cbd5e0;
  transform: translateX(2px);
}

/* Chat Input */
.chat-input-container {
  background: white;
  border-top: 1px solid #e2e8f0;
  padding: 16px;
}

.chat-input-wrapper {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 14px;
  resize: none;
  max-height: 100px;
  overflow-y: auto;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.chat-input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.chat-input:disabled {
  background: #f7fafc;
  cursor: not-allowed;
}

.chat-send-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: white;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-send-btn:hover:not(:disabled) {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.chat-send-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.chat-input-hint {
  font-size: 11px;
  color: #a0aec0;
  margin-top: 8px;
  text-align: center;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .chat-widget-container {
    bottom: 10px;
    right: 10px;
  }
  
  .chat-window {
    width: calc(100vw - 20px);
    height: calc(100vh - 100px);
    max-width: 380px;
  }
  
  .chat-toggle-btn {
    width: 55px;
    height: 55px;
    font-size: 22px;
  }
}

/* Tablet */
@media (max-width: 1024px) and (min-width: 769px) {
  .chat-window {
    width: 350px;
    height: 550px;
  }
}

/* Animations for opening/closing */
.chat-widget-container.chat-open .chat-toggle-btn {
  display: none;
}

/* Accessibility */
.chat-input:focus,
.chat-send-btn:focus,
.btn-icon:focus,
.quick-action-btn:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .chat-widget-container {
    display: none;
  }
}