.App {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
  transition: background-color 0.3s ease;
}

.App.dark {
  background-color: #0a0a0a;
}

/* shadcn-like styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  border: 1px solid #e4e4e7;
  background: #ffffff;
  color: #09090b;
  padding: 8px 16px;
  cursor: pointer;
  gap: 8px;
}

.btn:hover {
  background: #f4f4f5;
  border-color: #d4d4d8;
}

.btn.primary {
  background: #18181b;
  color: #ffffff;
  border-color: #18181b;
}

.btn.primary:hover {
  background: #27272a;
  border-color: #27272a;
}

.btn.ghost {
  border: 1px solid transparent;
  background: transparent;
}

.btn.ghost:hover {
  background: #f4f4f5;
}

.dark .btn {
  background: #27272a;
  color: #ffffff;
  border-color: #3f3f46;
}

.dark .btn:hover {
  background: #3f3f46;
  border-color: #52525b;
}

.dark .btn.primary {
  background: #ffffff;
  color: #09090b;
  border-color: #ffffff;
}

.dark .btn.primary:hover {
  background: #f4f4f5;
  border-color: #f4f4f5;
}

.dark .btn.ghost:hover {
  background: #3f3f46;
}

.input {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #e4e4e7;
  background: #ffffff;
  padding: 12px 16px;
  font-size: 14px;
  transition: all 0.2s ease;
  color: #09090b;
}

.input:focus {
  outline: none;
  border-color: #18181b;
}

.dark .input {
  background: #27272a;
  border-color: #3f3f46;
  color: #ffffff;
}

.dark .input:focus {
  border-color: #ffffff;
}

.card {
  background: #ffffff;
  border: 1px solid #e4e4e7;
  border-radius: 12px;
  padding: 24px;
  transition: all 0.2s ease;
}

.dark .card {
  background: #18181b;
  border-color: #3f3f46;
}

/* Main app layout */
.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 20px;
  gap: 20px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 600;
}

.theme-toggle {
  padding: 8px;
  border-radius: 8px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 20px 0;
  max-height: calc(100vh - 280px);
}

.message {
  display: flex;
  gap: 16px;
  max-width: 100%;
}

.message.user {
  justify-content: flex-end;
}

.message-content {
  max-width: 70%;
  padding: 16px 20px;
  border-radius: 18px;
  font-size: 14px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.message.assistant .message-content {
  background: #f4f4f5;
  color: #09090b;
  border-bottom-left-radius: 4px;
}

.dark .message.assistant .message-content {
  background: #27272a;
  color: #ffffff;
}

.message.user .message-content {
  background: #18181b;
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.dark .message.user .message-content {
  background: #ffffff;
  color: #09090b;
}

.input-container {
  position: relative;
  margin-top: auto;
}

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

.chat-input {
  resize: none;
  min-height: 150px;
  max-height: 200px;
  padding: 16px 50px 16px 16px;
  line-height: 1.5;
}

.model-selector {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 10;
  margin-left: 20px;
  width: 167px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.send-button {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 8px;
  border-radius: 8px;
  background: #18181b;
  color: #ffffff;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
}

.dark .send-button {
  background: #ffffff;
  color: #09090b;
}

.send-button:hover {
  transform: scale(1.05);
}

.send-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.welcome-message {
  text-align: center;
  padding: 60px 20px;
  color: #71717a;
}

.dark .welcome-message {
  color: #a1a1aa;
}

.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 16px 20px;
  background: #f4f4f5;
  border-radius: 18px;
  border-bottom-left-radius: 4px;
  max-width: 70%;
}

.dark .typing-indicator {
  background: #27272a;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #71717a;
  animation: typing-bounce 1.4s infinite ease-in-out;
}

.dark .typing-dot {
  background: #a1a1aa;
}

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

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

/* Dropdown styles */
.dropdown {
  position: relative;
}

.dropdown-content {
  position: absolute;
  bottom: 100%;
  left: 0;
  margin-bottom: 8px;
  background: #ffffff;
  border: 1px solid #e4e4e7;
  border-radius: 8px;
  padding: 8px;
  min-width: 320px;
  max-height: 400px;
  overflow-y: auto;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.dark .dropdown-content {
  background: #27272a;
  border-color: #3f3f46;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.company-section {
  margin-bottom: 12px;
}

.company-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-weight: 600;
  font-size: 14px;
  color: #09090b;
  border-bottom: 1px solid #f4f4f5;
  margin-bottom: 8px;
}

.dark .company-header {
  color: #ffffff;
  border-bottom-color: #3f3f46;
}

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.2s ease;
  margin-bottom: 4px;
}

.dropdown-item:last-child {
  margin-bottom: 0;
}

.dropdown-item:hover {
  background: #f4f4f5;
}

.dark .dropdown-item:hover {
  background: #3f3f46;
}

.dropdown-item.active {
  background: #18181b;
  color: #ffffff;
}

.dark .dropdown-item.active {
  background: #ffffff;
  color: #09090b;
}

.model-info {
  flex: 1;
}

.model-name {
  font-weight: 500;
  margin-bottom: 2px;
}

.model-description {
  font-size: 12px;
  opacity: 0.7;
  line-height: 1.4;
}

.model-check {
  display: flex;
  align-items: center;
  margin-top: 2px;
}

/* Auth Modal */
.auth-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
}

.auth-content {
  background: #ffffff;
  border-radius: 12px;
  padding: 32px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.dark .auth-content {
  background: #18181b;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.auth-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  text-align: center;
}

.auth-description {
  text-align: center;
  color: #71717a;
  margin-bottom: 24px;
  line-height: 1.5;
}

.dark .auth-description {
  color: #a1a1aa;
}

.auth-input {
  margin-bottom: 20px;
}

.auth-actions {
  display: flex;
  gap: 12px;
}

.auth-actions .btn {
  flex: 1;
}

.token-info {
  background: #f4f4f5;
  border-radius: 8px;
  padding: 16px;
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.4;
}

.dark .token-info {
  background: #27272a;
}

.token-info h4 {
  margin-bottom: 8px;
  font-weight: 600;
}

.token-info ol {
  padding-left: 16px;
}

.token-info li {
  margin-bottom: 4px;
}

/* Error message */
.error-message {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
}

.dark .error-message {
  background: #2a0f0f;
  border-color: #7f1d1d;
  color: #fca5a5;
}

/* Token display */
.token-display {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #f4f4f5;
  border-radius: 6px;
  font-size: 12px;
  margin-bottom: 16px;
}

.dark .token-display {
  background: #27272a;
}

.token-text {
  flex: 1;
  font-family: 'Geist Mono', monospace;
  word-break: break-all;
}

.clear-token {
  padding: 4px;
  border-radius: 4px;
  cursor: pointer;
}

.clear-token:hover {
  background: #e4e4e7;
}

.dark .clear-token:hover {
  background: #3f3f46;
}