* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #333;
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 30px;
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.header-content {
  text-align: center;
}

.header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 20px;
  font-weight: 400;
}

.status-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 500;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ffc107;
  animation: pulse 2s infinite;
}

.status-dot.connected {
  background: #28a745;
  animation: none;
}

.status-dot.error {
  background: #dc3545;
  animation: none;
}

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

.main-content {
  display: grid;
  grid-template-columns: 350px 1fr 400px;
  gap: 20px;
  flex: 1;
  min-height: 0;
}

.panel {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: #444;
}

.tool-section {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.tool-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.tool-section h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 12px;
  color: #555;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group input {
  padding: 12px 16px;
  border: 2px solid #e1e5e9;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.2s ease;
  background: white;
}

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

.btn {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-chat {
  background: #28a745;
  color: white;
  min-width: 80px;
}

.btn-chat:hover {
  background: #218838;
  transform: translateY(-1px);
}

.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 400px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #f8f9fa;
  border-radius: 12px;
  margin-bottom: 16px;
  border: 1px solid #e9ecef;
}

.message {
  margin-bottom: 16px;
  padding: 16px;
  border-radius: 12px;
  max-width: 85%;
}

.user-message {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  margin-left: auto;
}

.bot-message {
  background: white;
  border: 1px solid #e9ecef;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.message-content {
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 8px;
}

.message-time {
  font-size: 12px;
  opacity: 0.7;
  font-weight: 400;
}

.chat-input-container {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.chat-input-container input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid #e1e5e9;
  border-radius: 8px;
  font-size: 14px;
  background: white;
  transition: all 0.2s ease;
}

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

.results-container {
  height: 100%;
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.results-content {
  flex: 1;
  background: #f8f9fa;
  border-radius: 12px;
  padding: 20px;
  overflow-y: auto;
  border: 1px solid #e9ecef;
  font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.4;
}

.placeholder {
  text-align: center;
  color: #888;
  padding: 40px 20px;
  font-family: 'Inter', sans-serif;
}

.placeholder-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.placeholder-hint {
  font-size: 14px;
  margin-top: 8px;
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.loading-overlay.hidden {
  display: none;
}

.loading-spinner {
  background: white;
  padding: 40px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.2);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.error {
  color: #dc3545;
  background: #f8d7da;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #f5c6cb;
  margin: 8px 0;
}

.success {
  color: #155724;
  background: #d4edda;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #c3e6cb;
  margin: 8px 0;
}

.file-item {
  padding: 8px 12px;
  margin: 4px 0;
  background: white;
  border-radius: 6px;
  border: 1px solid #e9ecef;
  font-size: 13px;
}

.directory {
  background: #e3f2fd;
  border-color: #bbdefb;
}

.file {
  background: #f3e5f5;
  border-color: #ce93d8;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .main-content {
    grid-template-columns: 320px 1fr 350px;
  }
}

@media (max-width: 992px) {
  .main-content {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
  }

  .container {
    padding: 15px;
  }

  .header {
    padding: 20px;
  }

  .header h1 {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .input-group {
    flex-direction: column;
  }

  .chat-input-container {
    flex-direction: column;
    align-items: stretch;
  }

  .header h1 {
    font-size: 1.8rem;
  }

  .subtitle {
    font-size: 1rem;
  }
}