.title-bar {
  height: 41px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 16px;
  padding-right: 16px;
  border-bottom: 1px solid var(--border-color);
  -webkit-app-region: drag;
  flex-shrink: 0;
  gap: 8px;
  position: relative;
  z-index: 2101;
}

// 繁花如梦：标题栏毛玻璃
[data-theme="blossom-dream"] .title-bar {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.title-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.title-logo {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.titles {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
}

.title-sidebar-toggle {
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-tertiary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  -webkit-app-region: no-drag;

  &:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
  }
}

.title-window-controls {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  -webkit-app-region: no-drag;
}

.title-window-control-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-tertiary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;

  &:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
  }

  &.is-close:hover {
    background: #e5484d;
    color: #fff;
  }
}