frontend/src/components/ChatWindow.css

/* ChatWindow Component Styles */

.chat-window {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 90vw;
  max-width: 1400px;
  background-color: #fff;
  border-radius: 0;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Header */
.chat-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 20px;
  border-bottom: 2px solid #5a67d8;
}

.chat-header h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
}

.header-info {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  font-size: 14px;
  opacity: 0.9;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

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

.status-indicator.disconnected {
  color: #f87171;
}

.tools-indicator {
  padding: 4px 10px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  font-size: 13px;
}

/* Messages Container */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  scroll-behavior: smooth;
}

.messages-container > * {
  margin-bottom: 12px;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: #666;
}

.empty-state h2 {
  font-size: 28px;
  color: #333;
  margin-bottom: 12px;
}

.empty-state p {
  font-size: 16px;
  margin-bottom: 24px;
  color: #888;
}

.available-tools {
  margin-top: 24px;
  padding: 16px;
  background-color: #f5f5f5;
  border-radius: 8px;
  max-width: 400px;
  text-align: left;
}

.available-tools h3 {
  margin-top: 0;
  color: #333;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.available-tools ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.available-tools li {
  padding: 8px 0;
  border-bottom: 1px solid #ddd;
  font-size: 13px;
  color: #666;
}

.available-tools li:last-child {
  border-bottom: none;
}

.available-tools strong {
  color: #333;
}

/* Loading Indicator */
.loading-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background-color: #e8f4f8;
  border-left: 4px solid #0ea5e9;
  border-radius: 4px;
  color: #0c63e4;
  font-size: 14px;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid #0ea5e9;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Error Message */
.error-message {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 20px 0;
  padding: 12px 16px;
  background-color: #fee2e2;
  border-left: 4px solid #ef4444;
  border-radius: 4px;
  color: #991b1b;
  font-size: 14px;
}

.error-icon {
  flex-shrink: 0;
  font-size: 18px;
}

.close-error {
  margin-left: auto;
  background: none;
  border: none;
  color: #991b1b;
  cursor: pointer;
  font-size: 20px;
  padding: 0;
  line-height: 1;
}

.close-error:hover {
  opacity: 0.7;
}

/* Input Area */
.input-area {
  padding: 16px 20px;
  background-color: #f9fafb;
  border-top: 1px solid #e5e7eb;
}

.input-wrapper {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.message-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s;
}

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

.message-input:disabled {
  background-color: #f3f4f6;
  color: #9ca3af;
  cursor: not-allowed;
}

.send-button {
  padding: 12px 24px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  min-width: 80px;
}

.send-button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

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

.send-button:active:not(:disabled) {
  transform: translateY(0);
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.clear-button {
  padding: 8px 16px;
  background-color: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  color: #374151;
}

.clear-button:hover:not(:disabled) {
  background-color: #e5e7eb;
  border-color: #9ca3af;
}

.clear-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Scrollbar Styling */
.messages-container::-webkit-scrollbar {
  width: 8px;
}

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

.messages-container::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 4px;
}

.messages-container::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
  .chat-window {
    height: 100%;
  }

  .chat-header h1 {
    font-size: 20px;
  }

  .header-info {
    flex-direction: column;
    gap: 8px;
  }

  .messages-container {
    padding: 12px;
  }

  .input-area {
    padding: 12px;
  }

  .input-wrapper {
    margin-bottom: 8px;
  }

  .action-buttons {
    flex-direction: column;
  }

  .clear-button {
    width: 100%;
  }
}