esengine/packages/editor-app/src/styles/App.css

.editor-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-base);
  color: var(--color-text-secondary);
}

.editor-loading h2 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  margin-top: var(--spacing-md);
}

.editor-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
}

.editor-titlebar {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  background: linear-gradient(to bottom, #3a3a3f, #2a2a2f);
  border-bottom: 1px solid rgba(0, 0, 0, 0.3);
  flex-shrink: 0;
  position: relative;
  -webkit-app-region: drag;
}

.titlebar-project-name {
  position: absolute;
  left: 8px;
  font-size: 11px;
  font-weight: 500;
  color: #fff;
}

.titlebar-app-name {
  font-size: 11px;
  color: #888;
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 28px;
  padding: 0 8px;
  background-color: #1a1a1f;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
  transition: all 0.3s ease;
  z-index: var(--z-index-dropdown);
  position: relative;
}

.editor-header.remote-connected .status {
  color: #4ade80;
}

.editor-header.remote-connected .status::before {
  background-color: #4ade80;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  height: var(--size-button-sm);
  padding: 0 var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.toolbar-btn:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.toolbar-btn:active:not(:disabled) {
  background-color: var(--color-primary-active);
  transform: translateY(0);
  box-shadow: var(--shadow-inner);
}

.toolbar-btn:disabled {
  background-color: var(--color-bg-input);
  color: var(--color-text-disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

.toolbar-btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.toolbar-btn svg {
  width: var(--size-icon-sm);
  height: var(--size-icon-sm);
}

.locale-btn {
  width: 22px;
  height: 22px;
  padding: 0;
  background-color: transparent;
  color: #888;
  border: none;
  border-radius: 2px;
}

.locale-btn:hover:not(:disabled) {
  background-color: rgba(255, 255, 255, 0.08);
  color: #ccc;
  border-color: transparent;
  transform: none;
  box-shadow: none;
}

.locale-dropdown {
  position: relative;
}

.locale-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  width: auto;
  padding: 0 6px;
}

.locale-label {
  font-size: 10px;
}

.locale-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 100px;
  background: #252529;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
  padding: 4px 0;
  z-index: var(--z-index-dropdown);
}

.locale-menu-item {
  display: block;
  width: 100%;
  padding: 6px 12px;
  background: transparent;
  border: none;
  color: #ccc;
  font-size: 11px;
  text-align: left;
  cursor: pointer;
  transition: all 0.1s;
}

.locale-menu-item:hover {
  background: #3b82f6;
  color: #fff;
}

.locale-menu-item.active {
  color: #3b82f6;
}

.locale-menu-item.active:hover {
  color: #fff;
}

.editor-header .status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: #4ade80;
  white-space: nowrap;
}

.editor-header .status::before {
  content: '';
  width: 5px;
  height: 5px;
  background-color: #4ade80;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

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

.editor-content {
  display: flex;
  flex: 1;
  overflow: hidden;
  cursor: default;
}

.viewport {
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--color-bg-base);
  padding: var(--spacing-lg);
}

.viewport h3 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-md) 0;
}

.viewport p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.editor-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--layout-footer-height);
  padding: 0 var(--spacing-lg);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-xs);
  flex-shrink: 0;
}

.editor-footer span {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(30, 30, 30, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-index-overlay);
  backdrop-filter: blur(4px);
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px 48px;
  background-color: #252526;
  border: 1px solid #3e3e42;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.loading-message {
  font-size: 14px;
  color: #cccccc;
  margin: 0;
  white-space: nowrap;
}