:root {
   --primary-color: #19c37d;
  --primary-hover: #1a7f64;
  --bg-color: #ffffff;
  --bg-secondary: #f8f9fa;
  --border-color: #dee2e6;
  --text-color: #212529;
  --text-secondary: #6c757d;
}


:root.dark-theme {
  --primary-color: #19c37d;
  --primary-hover: #1a7f64;
  --bg-color: #343541;
  --bg-secondary: #40414f;
  --border-color: #4a4b57;
  --text-color: #ffffff;
  --text-secondary: #d1d5db;
}

.chat-container {
  max-width: 800px;
  width: 100%;
  margin: 20px auto;
  background: var(--bg-color);
  border-radius: 12px;
  padding: 0;
  height: 60vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.chat-header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.provider-select {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.provider-select:hover {
  background-color: var(--border-color);
}

.chat-output {
  background: var(--bg-color);
  border-radius: 8px;
  flex: 1;
  padding: 0;
  margin-bottom: 20px;
  overflow-y: auto;
  white-space: pre-wrap;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) var(--bg-color);
}

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

.chat-output::-webkit-scrollbar-track {
  background: var(--bg-color);
}

.chat-output::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 3px;
}

.input-container {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  gap: 10px;
  align-items: center;
  position: relative;
}

.form-control {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 8px;
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.form-control:focus {
  background-color: var(--bg-secondary);
  border-color: var(--primary-color);
  color: var(--text-color);
  box-shadow: 0 0 0 2px rgba(25, 195, 125, 0.2);
}

.form-control::placeholder {
  color: var(--text-secondary);
}

.btn-primary {
  background-color: var(--primary-color);
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  background-color: var(--primary-hover);
  opacity: 0.7;
  transform: none;
}

.message-content {
  transition: opacity 0.1s ease-out;
  min-height: 1em;
  overflow: hidden;
}

.message-content p {
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

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

.message.streaming .message-content {
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    opacity: 1;
  }
}

.message {
  margin-bottom: 20px;
  padding: 15px;
  border-radius: 8px;
  background: var(--bg-secondary);
  animation: fadeIn 0.3s ease-out;
  position: relative;
  overflow: hidden;
  transition: all 0.2s ease-out;
}

.message.streaming {
  box-shadow: 0 0 10px rgba(25, 195, 125, 0.2);
}

.message::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease-out;
}

.message.streaming::after {
  transform: scaleX(1);
  animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
  0% {
    transform: scaleX(0);
  }
  50% {
    transform: scaleX(1);
  }
  100% {
    transform: scaleX(0);
  }
}

.message.user {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
}

.message.assistant {
  background: var(--bg-secondary);
}

.loading {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--text-color);
  font-size: 0.9rem;
  padding: 15px;
  background: var(--bg-secondary);
  border-radius: 8px;
  margin-bottom: 20px;
  animation: fadeIn 0.3s ease-out;
}

.loading-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary-color);
  border-radius: 50%;
  animation: loading 1.4s infinite ease-in-out;
}

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

@keyframes loading {
  0%,
  80%,
  100% {
    transform: scale(0);
  }
  40% {
    transform: scale(1);
  }
}

.copy-button {
  position: absolute;
  right: 10px;
  top: 10px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
  transition: all 0.2s;
  opacity: 0;
}

.message:hover .copy-button {
  opacity: 1;
}

.copy-button:hover {
  color: var(--text-color);
  background: var(--border-color);
}

.copy-button.copied {
  color: var(--primary-color);
}

@media (max-width: 768px) {
  .chat-container {
    margin: 0;
    height: 50vh;
    border-radius: 0;
  }

  .chat-header {
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
  }

  .chat-header h1 {
    font-size: 1.2rem;
  }

  .provider-select {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
}

.header-controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn-outline-danger {
  color: #dc3545;
  border-color: #dc3545;
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-outline-danger:hover {
  background-color: #dc3545;
  color: white;
}