/**
 * LLM Chat Widget Styles
 * Match classes from LlmChatWidget.vue component
 */

/* Chat Widget Container */
#llm-chat-widget-container {
  position: fixed !important;
  bottom: 20px !important;
  right: 20px !important;
  z-index: 999999 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
}

#llm-chat-widget-container * {
  box-sizing: border-box;
}

/* Toggle Button */
.chat-toggle-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: white;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.chat-toggle-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.chat-icon {
  width: 28px;
  height: 28px;
}

.pulse-indicator {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 12px;
  height: 12px;
  background: #4ade80;
  border-radius: 50%;
  border: 2px solid white;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* Chat Window */
.chat-window {
  width: 380px;
  height: 600px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.3s ease;
}

.chat-window.minimized {
  height: 60px;
}

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

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

.bot-icon {
  width: 32px;
  height: 32px;
}

.header-text h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.status-indicator {
  font-size: 12px;
  opacity: 0.9;
}

.status-indicator.connected {
  color: #4ade80;
}

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

.header-btn {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

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

.close-btn:hover {
  background: rgba(255, 255, 255, 0.4);
}

/* Sidebar */
.chat-sidebar {
  width: 280px;
  background: #f8fafc;
  border-right: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e2e8f0;
}

.sidebar-header h4 {
  margin: 0;
  font-size: 14px;
  color: #334155;
}

.sidebar-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  color: #64748b;
}

.conversation-list {
  flex: 1;
  overflow-y: auto;
}

.conversation-item {
  padding: 12px 16px;
  border-bottom: 1px solid #e2e8f0;
  cursor: pointer;
  transition: background 0.2s;
}

.conversation-item:hover {
  background: #f1f5f9;
}

.conversation-item.active {
  background: #e0e7ff;
  border-left: 3px solid #667eea;
}

.conv-title {
  font-weight: 500;
  font-size: 14px;
  color: #1e293b;
  margin-bottom: 4px;
}

.conv-preview {
  font-size: 12px;
  color: #64748b;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conv-time {
  font-size: 11px;
  color: #94a3b8;
  margin-top: 4px;
}

/* Chat Body */
.chat-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #f8fafc;
}

.welcome-message {
  text-align: center;
  padding: 40px 20px;
}

.welcome-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.welcome-message h4 {
  margin: 0 0 8px 0;
  color: #1e293b;
}

.welcome-message p {
  color: #64748b;
  margin-bottom: 24px;
}

.suggestions-title {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 12px;
}

.suggestion-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.suggestion-chip {
  background: white;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 13px;
  color: #475569;
  cursor: pointer;
  transition: all 0.2s;
}

.suggestion-chip:hover {
  background: #667eea;
  color: white;
  border-color: #667eea;
}

/* Messages */
.messages-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

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

.message-avatar {
  font-size: 24px;
  flex-shrink: 0;
}

.message-content {
  max-width: 75%;
}

.message.user .message-content {
  align-items: flex-end;
}

.message-text {
  background: white;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
  color: #1e293b;
}

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

.message-text p {
  margin: 0 0 8px 0;
}

.message-text p:last-child {
  margin: 0;
}

.message-text code {
  background: rgba(0, 0, 0, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
}

.message.user .message-text code {
  background: rgba(255, 255, 255, 0.2);
}

.message-text pre {
  background: #1e293b;
  color: #f1f5f9;
  padding: 12px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 8px 0;
}

.message-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 6px;
  font-size: 11px;
  color: #94a3b8;
}

.query-info {
  background: #e0e7ff;
  color: #667eea;
  padding: 2px 8px;
  border-radius: 10px;
}

.message-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.action-btn {
  background: none;
  border: none;
  font-size: 12px;
  color: #64748b;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.2s;
}

.action-btn:hover {
  background: #f1f5f9;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background: #94a3b8;
  border-radius: 50%;
  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;
  }
}

/* Input Area */
.input-area {
  border-top: 1px solid #e2e8f0;
  background: white;
}

.input-wrapper {
  display: flex;
  padding: 12px 16px;
  gap: 12px;
  align-items: flex-end;
}

.input-wrapper textarea {
  flex: 1;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 12px 16px;
  font-size: 14px;
  resize: none;
  max-height: 120px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.input-wrapper textarea:focus {
  border-color: #667eea;
}

.send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, opacity 0.2s;
  flex-shrink: 0;
}

.send-btn:hover:not(:disabled) {
  transform: scale(1.05);
}

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

.send-btn svg {
  width: 18px;
  height: 18px;
}

.input-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: #f8fafc;
}

.powered-by {
  font-size: 11px;
  color: #94a3b8;
}

.history-btn {
  background: none;
  border: none;
  font-size: 12px;
  color: #667eea;
  cursor: pointer;
}

.history-btn:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 480px) {
  .chat-window {
    width: calc(100vw - 20px);
    height: calc(100vh - 100px);
  }
}

/* Scrollbar Styles */
.messages-container::-webkit-scrollbar,
.conversation-list::-webkit-scrollbar {
  width: 6px;
}

.messages-container::-webkit-scrollbar-track,
.conversation-list::-webkit-scrollbar-track {
  background: #f1f5f9;
}

.messages-container::-webkit-scrollbar-thumb,
.conversation-list::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}

.messages-container::-webkit-scrollbar-thumb:hover,
.conversation-list::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}