/**
 * Frontend CSS for AI Chatbot
 * Optimized for knowledge base responses and cost efficiency
 */

/* CSS Variables for easy theming */
:root {
  --ai-chatbot-primary: #ed5424;
  --ai-chatbot-primary-hover: #d13d1a;
  --ai-chatbot-secondary: #1c2aa3;
  --ai-chatbot-accent: #0b1651;
  --ai-chatbot-success: #10b981;
  --ai-chatbot-warning: #f59e0b;
  --ai-chatbot-error: #ef4444;
  
  --ai-chatbot-bg-primary: #ffffff;
  --ai-chatbot-bg-secondary: #f8fafc;
  --ai-chatbot-bg-tertiary: #f1f5f9;
  
  --ai-chatbot-text-primary: #1e293b;
  --ai-chatbot-text-secondary: #64748b;
  --ai-chatbot-text-muted: #94a3b8;
  
  --ai-chatbot-border: #e2e8f0;
  --ai-chatbot-border-hover: #cbd5e1;
  
  --ai-chatbot-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --ai-chatbot-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --ai-chatbot-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --ai-chatbot-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  --ai-chatbot-radius: 12px;
  --ai-chatbot-radius-lg: 16px;
  --ai-chatbot-radius-xl: 20px;
  
  --ai-chatbot-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --ai-chatbot-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Header customization variables */
  --ai-chatbot-header-bg: linear-gradient(135deg, var(--ai-chatbot-primary) 0%, var(--ai-chatbot-secondary) 50%, var(--ai-chatbot-accent) 100%);
  --ai-chatbot-header-text: #ffffff;
  --ai-chatbot-header-title-size: 1.125rem;
  --ai-chatbot-header-subtitle-size: 0.875rem;
}

/* Widget Container Styles */
.ai-chatbot-widget {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 400px;
  height: 500px;
  z-index: 9999;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--ai-chatbot-text-primary);
}

.ai-chatbot-widget .ai-chatbot-container {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: var(--ai-chatbot-bg-primary);
  border: 1px solid var(--ai-chatbot-border);
  border-radius: var(--ai-chatbot-radius-xl);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  transform: translateY(100%) scale(0.95);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.ai-chatbot-widget .ai-chatbot-container.ai-chatbot-open {
  transform: translateY(0) scale(1);
}

.ai-chatbot-widget .ai-chatbot-toggle {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--ai-chatbot-primary) 0%, var(--ai-chatbot-secondary) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(237, 84, 36, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10000;
  border: 3px solid var(--ai-chatbot-bg-primary);
}

.ai-chatbot-widget .ai-chatbot-toggle:hover {
  background: linear-gradient(135deg, var(--ai-chatbot-primary-hover) 0%, var(--ai-chatbot-accent) 100%);
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 40px rgba(237, 84, 36, 0.6);
}

.ai-chatbot-widget .ai-chatbot-toggle:active {
  transform: scale(1.05) rotate(2deg);
}

/* Floating Chatbot Styles */
.ai-chatbot-floating {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--ai-chatbot-text-primary);
}

.ai-chatbot-floating-btn {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--ai-chatbot-primary) 0%, var(--ai-chatbot-secondary) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(237, 84, 36, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  border: 3px solid var(--ai-chatbot-bg-primary);
}

.ai-chatbot-floating-btn:hover {
  background: linear-gradient(135deg, var(--ai-chatbot-primary-hover) 0%, var(--ai-chatbot-accent) 100%);
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 40px rgba(237, 84, 36, 0.6);
}

.ai-chatbot-floating-btn:active {
  transform: scale(1.05) rotate(2deg);
}

.ai-chatbot-floating-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--ai-chatbot-error);
  color: white;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  border: 2px solid var(--ai-chatbot-bg-primary);
  animation: pulse 2s infinite;
}

.ai-chatbot-floating-container {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 400px;
  height: 500px;
  background: var(--ai-chatbot-bg-primary);
  border: 1px solid var(--ai-chatbot-border);
  border-radius: var(--ai-chatbot-radius-xl);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  overflow: visible;
  transform: translateY(100%) scale(0.95);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  display: flex;
  flex-direction: column;
}

/* Mobile initial transform state */
@media (max-width: 768px) {
  .ai-chatbot-floating-container {
    transform: translate(-50%, -50%) scale(0.95);
  }
}

@media (max-width: 480px) {
  .ai-chatbot-floating-container {
    transform: translate(-50%, -50%) scale(0.95);
  }
}

.ai-chatbot-floating-container.ai-chatbot-floating-open {
  transform: translateY(0) scale(1);
  opacity: 1;
  visibility: visible;
}

/* Override transform for mobile when open */
@media (max-width: 768px) {
  .ai-chatbot-floating-container.ai-chatbot-floating-open {
    transform: translate(-50%, -50%) scale(1);
  }
}

@media (max-width: 480px) {
  .ai-chatbot-floating-container.ai-chatbot-floating-open {
    transform: translate(-50%, -50%) scale(1);
  }
}

/* Floating Container Internal Elements */
.ai-chatbot-floating-container .ai-chatbot-header {
  background: var(--ai-chatbot-header-bg);
  padding: 1.5rem;
  color: var(--ai-chatbot-header-text);
  position: relative;
  flex-shrink: 0;
}

.ai-chatbot-floating-container .ai-chatbot-body {
  flex: 1;
  min-height: 400px !important;
  overflow-y: auto;
  padding: 1.5rem;
  background: var(--ai-chatbot-bg-secondary);
  scroll-behavior: smooth;
}

.ai-chatbot-floating-container .ai-chatbot-body:hover {
  overflow-y: auto;
}

.ai-chatbot-floating-container .ai-chatbot-quick-actions {
  padding: 0.35rem 1.5rem;
  background: var(--ai-chatbot-bg-primary);
  border-top: 1px solid var(--ai-chatbot-border);
  display: flex;
  gap: 0.75rem;
  flex-wrap: nowrap;
  flex-shrink: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--ai-chatbot-border) transparent;
}

.ai-chatbot-floating-container .ai-chatbot-quick-actions::-webkit-scrollbar {
  height: 4px;
}

.ai-chatbot-floating-container .ai-chatbot-quick-actions::-webkit-scrollbar-track {
  background: transparent;
}

.ai-chatbot-floating-container .ai-chatbot-quick-actions::-webkit-scrollbar-thumb {
  background: var(--ai-chatbot-border);
  border-radius: 2px;
}

.ai-chatbot-floating-container .ai-chatbot-quick-actions::-webkit-scrollbar-thumb:hover {
  background: var(--ai-chatbot-border-hover);
}

.ai-chatbot-floating-container .ai-chatbot-input-area {
  padding: 0.35rem 1.5rem;
  background: var(--ai-chatbot-bg-primary);
  border-top: 1px solid var(--ai-chatbot-border);
  position: relative;
  flex-shrink: 0;
}

.ai-chatbot-floating-container .ai-chatbot-input-wrapper {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
  background: var(--ai-chatbot-bg-secondary);
  border: 2px solid var(--ai-chatbot-border);
  border-radius: 24px;
  padding: 0.5rem;
  transition: var(--ai-chatbot-transition-fast);
  position: relative;
}

.ai-chatbot-floating-container .ai-chatbot-input-wrapper:focus-within {
  border-color: var(--ai-chatbot-primary);
  box-shadow: 0 0 0 3px rgba(237, 84, 36, 0.1);
  background: var(--ai-chatbot-bg-primary);
}

.ai-chatbot-floating-container .ai-chatbot-input-field {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: 20px;
  font-size: 0.9rem;
  transition: var(--ai-chatbot-transition-fast);
  background: transparent;
  color: var(--ai-chatbot-text-primary);
  resize: none;
  min-height: 20px;
  max-height: 120px;
  line-height: 1.4;
  font-family: inherit;
  overflow-y: auto;
}

.ai-chatbot-floating-container .ai-chatbot-input-field:focus {
  outline: none;
  box-shadow: none;
}

.ai-chatbot-floating-container .ai-chatbot-input-field::placeholder {
  color: var(--ai-chatbot-text-muted);
  font-style: normal;
}

.ai-chatbot-floating-container .ai-chatbot-send-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: var(--ai-chatbot-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--ai-chatbot-transition-fast);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.ai-chatbot-floating-container .ai-chatbot-send-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: var(--ai-chatbot-transition-fast);
}

.ai-chatbot-floating-container .ai-chatbot-send-btn:hover:not(:disabled)::before {
  width: 100%;
  height: 100%;
}

.ai-chatbot-floating-container .ai-chatbot-send-btn:hover:not(:disabled) {
  background: var(--ai-chatbot-primary-hover);
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(237, 84, 36, 0.4);
}

.ai-chatbot-floating-container .ai-chatbot-send-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.ai-chatbot-floating-container .ai-chatbot-send-btn:disabled {
  background: var(--ai-chatbot-text-muted);
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
}

.ai-chatbot-floating-container .ai-chatbot-send-btn svg {
  position: relative;
  z-index: 1;
  transition: var(--ai-chatbot-transition-fast);
}

.ai-chatbot-floating-container .ai-chatbot-send-btn:hover:not(:disabled) svg {
  transform: translateX(1px);
}

/* Floating Container Close Button - Position Outside */
.ai-chatbot-floating-container .ai-chatbot-close-btn {
  position: absolute;
  top: -15px;
  right: -15px;
  width: 36px;
  height: 36px;
  border: none;
  background: #ff4444;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid white;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.ai-chatbot-floating-container .ai-chatbot-close-btn:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.ai-chatbot-floating-container .ai-chatbot-close-btn:active {
  transform: scale(0.95) rotate(90deg);
}

.ai-chatbot-floating-container .ai-chatbot-close-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.ai-chatbot-floating-container .ai-chatbot-close-text {
  position: absolute;
  font-size: 20px;
  font-weight: bold;
  line-height: 1;
  color: white;
  display: block;
}

/* Floating Container Quick Action Buttons */
.ai-chatbot-floating-container .ai-chatbot-action-btn {
  background: var(--ai-chatbot-bg-tertiary);
  border: 1px solid var(--ai-chatbot-border);
  border-radius: 20px;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  color: var(--ai-chatbot-text-secondary);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  white-space: nowrap;
}

.ai-chatbot-floating-container .ai-chatbot-action-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.ai-chatbot-floating-container .ai-chatbot-action-btn:hover::before {
  left: 100%;
}

.ai-chatbot-floating-container .ai-chatbot-action-btn:hover {
  background: var(--ai-chatbot-primary);
  color: white;
  border-color: var(--ai-chatbot-primary);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(237, 84, 36, 0.4);
}

.ai-chatbot-floating-container .ai-chatbot-action-btn:active {
  transform: translateY(-1px) scale(1.01);
}

/* Floating Container Scrollbar */
.ai-chatbot-floating-container .ai-chatbot-body::-webkit-scrollbar {
  width: 6px;
}

.ai-chatbot-floating-container .ai-chatbot-body::-webkit-scrollbar-track {
  background: var(--ai-chatbot-bg-secondary);
}

.ai-chatbot-floating-container .ai-chatbot-body::-webkit-scrollbar-thumb {
  background: var(--ai-chatbot-border);
  border-radius: 3px;
}

.ai-chatbot-floating-container .ai-chatbot-body::-webkit-scrollbar-thumb:hover {
  background: var(--ai-chatbot-border-hover);
}

/* Floating Container Messages */
.ai-chatbot-floating-container .ai-chatbot-message {
  margin-bottom: 1.25rem;
  animation: slideIn 0.3s ease-out;
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
}

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

.ai-chatbot-floating-container .ai-chatbot-message.bot {
  flex-direction: row;
}

.ai-chatbot-floating-container .ai-chatbot-message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
}

.ai-chatbot-floating-container .ai-chatbot-message.user .ai-chatbot-message-avatar {
  background: var(--ai-chatbot-primary);
  color: white;
}

.ai-chatbot-floating-container .ai-chatbot-message.bot .ai-chatbot-message-avatar {
  background: var(--ai-chatbot-bg-tertiary);
  color: var(--ai-chatbot-text-secondary);
  border: 1px solid var(--ai-chatbot-border);
}

.ai-chatbot-floating-container .ai-chatbot-message-content {
  max-width: 75%;
  padding: 0.875rem 1.125rem;
  border-radius: 18px;
  font-size: 0.9rem;
  line-height: 1.5;
  position: relative;
  word-wrap: break-word;
  box-shadow: var(--ai-chatbot-shadow-sm);
}

.ai-chatbot-floating-container .ai-chatbot-message.user .ai-chatbot-message-content {
  background: var(--ai-chatbot-primary);
  color: white;
  border-bottom-right-radius: 6px;
}

.ai-chatbot-floating-container .ai-chatbot-message.bot .ai-chatbot-message-content {
  background: var(--ai-chatbot-bg-primary);
  color: var(--ai-chatbot-text-primary);
  border: 1px solid var(--ai-chatbot-border);
  border-bottom-left-radius: 6px;
}

.ai-chatbot-floating-container .ai-chatbot-message-time {
  font-size: 0.75rem;
  color: var(--ai-chatbot-text-muted);
  margin-top: 0.5rem;
  display: block;
}

.ai-chatbot-floating-container .ai-chatbot-message.user .ai-chatbot-message-time {
  text-align: right;
}

/* Floating Container Typing Indicator */
.ai-chatbot-floating-container .ai-chatbot-typing {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  animation: slideIn 0.3s ease-out;
}

.ai-chatbot-floating-container .ai-chatbot-typing-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ai-chatbot-bg-tertiary);
  color: var(--ai-chatbot-text-secondary);
  border: 1px solid var(--ai-chatbot-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
}

.ai-chatbot-floating-container .ai-chatbot-typing-content {
  padding: 0.875rem 1.125rem;
  background: var(--ai-chatbot-bg-primary);
  border: 1px solid var(--ai-chatbot-border);
  border-radius: 18px;
  border-bottom-left-radius: 6px;
  max-width: 75%;
  box-shadow: var(--ai-chatbot-shadow-sm);
}

.ai-chatbot-floating-container .ai-chatbot-typing-text {
  font-size: 0.875rem;
  color: var(--ai-chatbot-text-secondary);
}

.ai-chatbot-floating-container .ai-chatbot-typing-dots {
  display: flex;
  gap: 0.25rem;
}

.ai-chatbot-floating-container .ai-chatbot-typing-dot {
  width: 6px;
  height: 6px;
  background: var(--ai-chatbot-text-muted);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out;
}

.ai-chatbot-floating-container .ai-chatbot-typing-dot:nth-child(1) { animation-delay: -0.32s; }
.ai-chatbot-floating-container .ai-chatbot-typing-dot:nth-child(2) { animation-delay: -0.16s; }

/* Inline and Embed Styles */
.ai-chatbot-inline,
.ai-chatbot-embed {
  width: 100%;
  max-width: 600px;
  margin: 2rem auto;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--ai-chatbot-text-primary);
}

.ai-chatbot-inline .ai-chatbot-widget,
.ai-chatbot-embed .ai-chatbot-widget {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--ai-chatbot-bg-primary);
  border: 1px solid var(--ai-chatbot-border);
  border-radius: var(--ai-chatbot-radius-xl);
  box-shadow: var(--ai-chatbot-shadow-lg);
  overflow: hidden;
  transform: none;
}

/* Header Styles */
.ai-chatbot-header {
  background: var(--ai-chatbot-header-bg);
  padding: 1.5rem;
  color: var(--ai-chatbot-header-text);
  position: relative;
}

.ai-chatbot-header-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.ai-chatbot-avatar {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.ai-chatbot-info {
  flex: 1;
}

.ai-chatbot-title {
  margin: 0 0 0.25rem 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
}

.ai-chatbot-subtitle {
  margin: 0;
  font-size: 0.875rem;
  opacity: 0.9;
  font-weight: 400;
}

.ai-chatbot-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.ai-chatbot-status-dot {
  width: 8px;
  height: 8px;
  background: var(--ai-chatbot-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.ai-chatbot-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border: none;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.4);
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.ai-chatbot-close-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ai-chatbot-close-text {
  position: absolute;
  font-size: 20px;
  font-weight: bold;
  line-height: 1;
  color: white;
  display: none;
}

.ai-chatbot-close-btn:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.ai-chatbot-close-btn:active {
  transform: scale(0.95) rotate(90deg);
}

.ai-chatbot-close-btn svg {
  pointer-events: none;
}

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

/* Body Styles */
.ai-chatbot-body {
  min-height: 300px;
  max-height: 400px;
  overflow-y: auto;
  padding: 1.5rem;
  background: var(--ai-chatbot-bg-secondary);
}

.ai-chatbot-welcome {
  text-align: center;
  color: var(--ai-chatbot-text-secondary);
  font-style: italic;
  margin-bottom: 1rem;
}

.ai-chatbot-message {
  margin-bottom: 1.25rem;
  animation: slideIn 0.3s ease-out;
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
}

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

.ai-chatbot-message.bot {
  flex-direction: row;
}

.ai-chatbot-message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
}

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

.ai-chatbot-message.bot .ai-chatbot-message-avatar {
  background: var(--ai-chatbot-bg-tertiary);
  color: var(--ai-chatbot-text-secondary);
  border: 1px solid var(--ai-chatbot-border);
}

.ai-chatbot-message-content {
  max-width: 75%;
  padding: 0.875rem 1.125rem;
  border-radius: 18px;
  font-size: 0.9rem;
  line-height: 1.5;
  position: relative;
  word-wrap: break-word;
  box-shadow: var(--ai-chatbot-shadow-sm);
}

.ai-chatbot-message.user .ai-chatbot-message-content {
  background: var(--ai-chatbot-primary);
  color: white;
  border-bottom-right-radius: 6px;
}

.ai-chatbot-message.bot .ai-chatbot-message-content {
  background: var(--ai-chatbot-bg-primary);
  color: var(--ai-chatbot-text-primary);
  border: 1px solid var(--ai-chatbot-border);
  border-bottom-left-radius: 6px;
}

.ai-chatbot-message-time {
  font-size: 0.75rem;
  color: var(--ai-chatbot-text-muted);
  margin-top: 0.5rem;
  display: block;
}

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

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

/* Quick Actions */
.ai-chatbot-quick-actions {
  padding: 1.25rem 1.5rem;
  background: var(--ai-chatbot-bg-primary);
  border-top: 1px solid var(--ai-chatbot-border);
  display: flex;
  gap: 0.75rem;
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--ai-chatbot-border) transparent;
}

.ai-chatbot-quick-actions::-webkit-scrollbar {
  height: 4px;
}

.ai-chatbot-quick-actions::-webkit-scrollbar-track {
  background: transparent;
}

.ai-chatbot-quick-actions::-webkit-scrollbar-thumb {
  background: var(--ai-chatbot-border);
  border-radius: 2px;
}

.ai-chatbot-quick-actions::-webkit-scrollbar-thumb:hover {
  background: var(--ai-chatbot-border-hover);
}

.ai-chatbot-action-btn {
  background: var(--ai-chatbot-bg-tertiary);
  border: 1px solid var(--ai-chatbot-border);
  border-radius: 20px;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  color: var(--ai-chatbot-text-secondary);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  white-space: nowrap;
}

.ai-chatbot-action-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.ai-chatbot-action-btn:hover::before {
  left: 100%;
}

.ai-chatbot-action-btn:hover {
  background: var(--ai-chatbot-primary);
  color: white;
  border-color: var(--ai-chatbot-primary);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(237, 84, 36, 0.4);
}

.ai-chatbot-action-btn:active {
  transform: translateY(-1px) scale(1.01);
}

/* Input Area - Modern Chatbot Style */
.ai-chatbot-input-area {
  padding: 1.25rem 1.5rem;
  background: var(--ai-chatbot-bg-primary);
  border-top: 1px solid var(--ai-chatbot-border);
  position: relative;
}

.ai-chatbot-input-wrapper {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
  background: var(--ai-chatbot-bg-secondary);
  border: 2px solid var(--ai-chatbot-border);
  border-radius: 24px;
  padding: 0.5rem;
  transition: var(--ai-chatbot-transition-fast);
  position: relative;
}

.ai-chatbot-input-wrapper:focus-within {
  border-color: var(--ai-chatbot-primary);
  box-shadow: 0 0 0 3px rgba(237, 84, 36, 0.1);
  background: var(--ai-chatbot-bg-primary);
}

.ai-chatbot-input-field {
  flex: 1;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 20px;
  font-size: 0.9rem;
  transition: var(--ai-chatbot-transition-fast);
  background: transparent;
  color: var(--ai-chatbot-text-primary);
  resize: none;
  min-height: 20px;
  max-height: 120px;
  line-height: 1.4;
  font-family: inherit;
  overflow-y: auto;
}

.ai-chatbot-input-field:focus {
  outline: none;
  box-shadow: none;
}

.ai-chatbot-input-field::placeholder {
  color: var(--ai-chatbot-text-muted);
  font-style: normal;
}

.ai-chatbot-send-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: var(--ai-chatbot-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--ai-chatbot-transition-fast);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.ai-chatbot-send-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: var(--ai-chatbot-transition-fast);
}

.ai-chatbot-send-btn:hover:not(:disabled)::before {
  width: 100%;
  height: 100%;
}

.ai-chatbot-send-btn:hover:not(:disabled) {
  background: var(--ai-chatbot-primary-hover);
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(237, 84, 36, 0.4);
}

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

.ai-chatbot-send-btn:disabled {
  background: var(--ai-chatbot-text-muted);
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
}

.ai-chatbot-send-btn svg {
  position: relative;
  z-index: 1;
  transition: var(--ai-chatbot-transition-fast);
}

.ai-chatbot-send-btn:hover:not(:disabled) svg {
  transform: translateX(1px);
}

/* Typing Indicator */
.ai-chatbot-typing {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  animation: slideIn 0.3s ease-out;
}

.ai-chatbot-typing-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ai-chatbot-bg-tertiary);
  color: var(--ai-chatbot-text-secondary);
  border: 1px solid var(--ai-chatbot-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
}

.ai-chatbot-typing-content {
  padding: 0.875rem 1.125rem;
  background: var(--ai-chatbot-bg-primary);
  border: 1px solid var(--ai-chatbot-border);
  border-radius: 18px;
  border-bottom-left-radius: 6px;
  max-width: 75%;
  box-shadow: var(--ai-chatbot-shadow-sm);
}

.ai-chatbot-typing-text {
  font-size: 0.875rem;
  color: var(--ai-chatbot-text-secondary);
}

.ai-chatbot-typing-dots {
  display: flex;
  gap: 0.25rem;
}

.ai-chatbot-typing-dot {
  width: 6px;
  height: 6px;
  background: var(--ai-chatbot-text-muted);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out;
}

.ai-chatbot-typing-dot:nth-child(1) { animation-delay: -0.32s; }
.ai-chatbot-typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Scrollbar Styling */
.ai-chatbot-body::-webkit-scrollbar {
  width: 6px;
}

.ai-chatbot-body::-webkit-scrollbar-track {
  background: var(--ai-chatbot-bg-secondary);
}

.ai-chatbot-body::-webkit-scrollbar-thumb {
  background: var(--ai-chatbot-border);
  border-radius: 3px;
}

.ai-chatbot-body::-webkit-scrollbar-thumb:hover {
  background: var(--ai-chatbot-border-hover);
}

/* Responsive Design */
@media (max-width: 640px) {
  .ai-chatbot-widget {
    bottom: 10px;
    right: 10px;
    left: 10px;
    width: auto;
    height: 400px;
  }
  
  .ai-chatbot-floating {
    bottom: 10px;
    right: 10px;
  }
  
  .ai-chatbot-floating-container {
    bottom: 80px;
    right: 10px;
    left: 10px;
    width: auto;
    height: 600px !important;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-header {
    padding: 1rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-body {
    padding: 1rem;
    max-height: 250px;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-quick-actions {
    padding: 0.75rem 1rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-input-area {
    padding: 0.75rem 1rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-action-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
  }
  
  .ai-chatbot-inline,
  .ai-chatbot-embed {
    margin: 1rem;
  }
  
  .ai-chatbot-header {
    padding: 1rem;
  }
  
  .ai-chatbot-body {
    padding: 1rem;
    max-height: 250px;
  }
  
  .ai-chatbot-quick-actions {
    padding: 0.75rem 1rem;
  }
  
  .ai-chatbot-input-area {
    padding: 0.75rem 1rem;
  }
  
  .ai-chatbot-action-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
  }
}

/* Enhanced Responsive Design for Floating Chatbot */
@media (max-width: 768px) {
  .ai-chatbot-floating-container {
    width: calc(100vw - 2rem) !important;
    min-width: 320px;
    height: calc(100vh - 4rem) !important;
    max-width: 400px;
    max-height: 600px;
    top: 50%;
    left: 50%;
    right: auto;
    bottom: auto;
    transform: translate(-50%, -50%);
  }
  
  .ai-chatbot-floating-container .ai-chatbot-header {
    padding: 1rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-title {
    font-size: 1rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-subtitle {
    font-size: 0.75rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-action-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-input-area {
    padding: 1rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-input-field {
    font-size: 0.9rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-send-btn {
    width: 40px;
    height: 40px;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-send-btn svg {
    width: 16px;
    height: 16px;
  }
}

@media (max-width: 480px) {
  .ai-chatbot-floating-container {
    width: calc(100vw - 2rem) !important;
    min-width: 320px;
    height: calc(100vh - 4rem) !important;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: var(--ai-chatbot-radius-lg);
  }
  
  .ai-chatbot-floating-container .ai-chatbot-header {
    padding: 0.75rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-title {
    font-size: 0.9rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-subtitle {
    font-size: 0.7rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-action-btn {
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-input-area {
    padding: 0.75rem;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-close-btn {
    width: 32px;
    height: 32px;
    top: -12px;
    right: -12px;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-close-btn svg {
    width: 16px;
    height: 16px;
  }
  
  .ai-chatbot-floating-container .ai-chatbot-close-text {
    font-size: 18px;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --ai-chatbot-bg-primary: #1e293b;
    --ai-chatbot-bg-secondary: #0f172a;
    --ai-chatbot-bg-tertiary: #1e293b;
    --ai-chatbot-text-primary: #f1f5f9;
    --ai-chatbot-text-secondary: #cbd5e1;
    --ai-chatbot-text-muted: #64748b;
    --ai-chatbot-border: #334155;
    --ai-chatbot-border-hover: #475569;
  }
}

/* Knowledge base specific styles */
.ai-chatbot-knowledge-response {
  background: linear-gradient(135deg, #f0f8ff 0%, #e6f3ff 100%);
  border-left: 4px solid var(--ai-chatbot-primary);
  padding: 1rem;
  margin: 0.5rem 0;
  border-radius: 0 var(--ai-chatbot-radius) var(--ai-chatbot-radius) 0;
}

.ai-chatbot-knowledge-source {
  font-size: 0.75rem;
  color: var(--ai-chatbot-text-muted);
  margin-top: 0.5rem;
  font-style: italic;
}

/* Cost optimization indicator */
.ai-chatbot-cost-indicator {
  position: absolute;
  top: 5px;
  right: 5px;
  background: var(--ai-chatbot-success);
  color: white;
  font-size: 0.6rem;
  padding: 2px 6px;
  border-radius: 10px;
  opacity: 0.7;
}

.ai-chatbot-cost-indicator.ai-chatbot-ai-used {
  background: var(--ai-chatbot-warning);
}