/* App Builder Module Styles */
.appbuilder-layout {
  display: flex;
  height: 100%;
}

/* Sidebar */
.appbuilder-sidebar {
  width: 180px;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.appbuilder-sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.appbuilder-new-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 16px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.appbuilder-new-btn:hover {
  background: var(--accent-primary);
}

/* Apps List */
.appbuilder-apps-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
}

.appbuilder-app-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.appbuilder-app-item:hover {
  background: var(--bg-secondary);
}

.appbuilder-app-item.active {
  background: var(--bg-tertiary);
  border-left: 2px solid var(--accent-primary);
}

.appbuilder-app-item-content {
  flex: 1;
  min-width: 0;
}

.appbuilder-app-item-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.appbuilder-app-delete-btn {
  width: 20px;
  height: 20px;
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  flex-shrink: 0;
}

.appbuilder-app-item:hover .appbuilder-app-delete-btn {
  display: flex;
}

.appbuilder-app-delete-btn:hover {
  background: var(--control-close);
  color: white;
}

/* Sidebar Footer */
.appbuilder-sidebar-footer {
  padding: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.appbuilder-import-btn {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.appbuilder-import-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Main Area */
.appbuilder-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* API Setup Screen */
.appbuilder-api-setup {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

.appbuilder-api-setup-content {
  max-width: 440px;
}

.appbuilder-api-setup-content h2 {
  margin: 0 0 var(--spacing-sm);
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  text-align: center;
}

.appbuilder-api-intro {
  margin: 0 0 var(--spacing-lg);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  text-align: center;
}

.appbuilder-open-settings-btn {
  display: block;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--accent-primary);
  border: none;
  border-radius: 6px;
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.appbuilder-open-settings-btn:hover {
  background: var(--accent-hover);
}

.appbuilder-api-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.appbuilder-api-step {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.appbuilder-step-number {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-primary);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: 50%;
  flex-shrink: 0;
}

.appbuilder-step-content {
  flex: 1;
  text-align: left;
}

.appbuilder-step-content strong {
  display: block;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  margin-bottom: 4px;
}

.appbuilder-step-content p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.appbuilder-step-content a {
  color: var(--accent-primary);
  text-decoration: none;
}

.appbuilder-step-content a:hover {
  text-decoration: underline;
}

.appbuilder-step-content code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.appbuilder-api-input-group {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.appbuilder-api-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
}

.appbuilder-api-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.appbuilder-api-save-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--accent-primary);
  border: none;
  border-radius: 4px;
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.appbuilder-api-save-btn:hover {
  background: var(--accent-hover);
}

.appbuilder-api-privacy {
  color: var(--text-muted);
  font-size: 11px;
  text-align: center;
  margin: 0;
}

.appbuilder-api-hint a {
  color: var(--accent-primary);
  text-decoration: none;
}

.appbuilder-api-hint a:hover {
  text-decoration: underline;
}

.appbuilder-api-error {
  color: var(--control-close);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-sm);
}

/* Workspace */
.appbuilder-workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* Chat Pane */
.appbuilder-chat-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
  min-width: 300px;
}

.appbuilder-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Chat Welcome */
.appbuilder-chat-welcome {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-secondary);
}

.appbuilder-chat-welcome h3 {
  margin: 0 0 var(--spacing-sm);
  color: var(--text-primary);
  font-size: var(--font-size-lg);
}

.appbuilder-chat-welcome p {
  margin: 0 0 var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.appbuilder-chat-examples {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.appbuilder-example-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.appbuilder-example-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

/* Chat Messages */
.appbuilder-chat-message {
  max-width: 85%;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 8px;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.appbuilder-chat-user {
  align-self: flex-end;
  background: var(--accent-primary);
  color: white;
}

.appbuilder-chat-assistant {
  align-self: flex-start;
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.appbuilder-message-content {
  white-space: pre-wrap;
  word-break: break-word;
}

.appbuilder-message-cost {
  margin-top: var(--spacing-xs);
  padding-top: var(--spacing-xs);
  border-top: 1px solid var(--border-color);
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Loading Animation */
.appbuilder-chat-loading {
  align-self: flex-start;
  background: var(--bg-tertiary);
  padding: var(--spacing-md);
  border-radius: 8px;
}

.appbuilder-loading-dots {
  display: flex;
  gap: 4px;
}

.appbuilder-loading-dots span {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: appbuilder-bounce 1.4s ease-in-out infinite;
}

.appbuilder-loading-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.appbuilder-loading-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes appbuilder-bounce {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Chat Error */
.appbuilder-chat-error {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 95, 86, 0.1);
  border: 1px solid var(--control-close);
  border-radius: 6px;
  color: var(--control-close);
  font-size: var(--font-size-sm);
}

/* Chat Input Area */
.appbuilder-chat-input-area {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  background: var(--bg-window-header);
}

.appbuilder-chat-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-system);
  font-size: var(--font-size-sm);
  resize: none;
  line-height: 1.4;
}

.appbuilder-chat-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.appbuilder-chat-input::placeholder {
  color: var(--text-muted);
}

.appbuilder-chat-input:disabled {
  opacity: 0.6;
}

.appbuilder-send-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-primary);
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
  align-self: flex-end;
}

.appbuilder-send-btn:hover:not(:disabled) {
  background: var(--accent-hover);
}

.appbuilder-send-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.appbuilder-send-btn.loading {
  animation: appbuilder-pulse 1s ease-in-out infinite;
}

@keyframes appbuilder-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Preview Pane */
.appbuilder-preview-pane {
  width: 380px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.appbuilder-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-window-header);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  gap: var(--spacing-sm);
}

/* Complexity Meter */
.appbuilder-complexity-meter {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex: 1;
  justify-content: center;
}

.appbuilder-complexity-bar {
  width: 60px;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.appbuilder-complexity-fill {
  height: 100%;
  width: 0;
  background: #4ade80;
  border-radius: 3px;
  transition: width 0.3s ease, background 0.3s ease;
}

.appbuilder-complexity-count {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  min-width: 28px;
}

/* Complexity states */
.appbuilder-complexity-meter.simple .appbuilder-complexity-fill {
  background: #4ade80;
}

.appbuilder-complexity-meter.simple .appbuilder-complexity-count {
  color: #4ade80;
}

.appbuilder-complexity-meter.moderate .appbuilder-complexity-fill {
  background: #facc15;
}

.appbuilder-complexity-meter.moderate .appbuilder-complexity-count {
  color: #facc15;
}

.appbuilder-complexity-meter.complex .appbuilder-complexity-fill {
  background: #f87171;
}

.appbuilder-complexity-meter.complex .appbuilder-complexity-count {
  color: #f87171;
}

.appbuilder-preview-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.appbuilder-save-app-btn,
.appbuilder-export-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.appbuilder-save-app-btn:hover:not(:disabled),
.appbuilder-export-btn:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.appbuilder-save-app-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.appbuilder-preview-frame {
  flex: 1;
  width: 100%;
  border: none;
  background: #1a1a2e;
}

/* Save Dialog */
.appbuilder-save-dialog {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.appbuilder-save-dialog-content {
  background: var(--bg-window);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--spacing-lg);
  width: 320px;
  box-shadow: var(--shadow-window);
}

.appbuilder-save-dialog-content h3 {
  margin: 0 0 var(--spacing-md);
  color: var(--text-primary);
  font-size: var(--font-size-lg);
}

.appbuilder-save-name-input,
.appbuilder-save-desc-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-system);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  box-sizing: border-box;
}

.appbuilder-save-desc-input {
  resize: none;
}

.appbuilder-save-name-input:focus,
.appbuilder-save-desc-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.appbuilder-save-name-input::placeholder,
.appbuilder-save-desc-input::placeholder {
  color: var(--text-muted);
}

.appbuilder-save-dialog-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

.appbuilder-save-confirm-btn,
.appbuilder-save-cancel-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: 4px;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.appbuilder-save-confirm-btn {
  background: var(--accent-primary);
  color: white;
}

.appbuilder-save-confirm-btn:hover {
  background: var(--accent-hover);
}

.appbuilder-save-cancel-btn {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.appbuilder-save-cancel-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}