codex-proxy-rs/frontend/src/styles/base.css

@layer base {
  html {
    background: var(--cp-color-bg-layout, #f6f8fb);
    color: var(--cp-color-text, #0e1726);
    font-family: var(--font-sans);
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    background: var(--cp-color-bg-layout, #f6f8fb);
    font-size: var(--cp-font-size, 13px);
  }

  /* 主题作用域同时驱动 Tailwind 数值间距，保证预览草稿与已保存主题使用同一密度算法。 */
  [data-theme] {
    --spacing: var(--cp-size-unit, 4px);
  }

  [data-theme]:not(html) {
    font-size: var(--cp-font-size, 13px);
  }

  html.theme-fallback-transition,
  html.theme-fallback-transition body {
    transition:
      background-color 180ms cubic-bezier(0.2, 0, 0, 1),
      color 180ms cubic-bezier(0.2, 0, 0, 1);
  }

  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
  }

  ::view-transition-old(root) {
    z-index: 1;
  }

  ::view-transition-new(root) {
    z-index: 2;
  }

  html.theme-view-transition-shrink::view-transition-old(root) {
    z-index: 2;
  }

  html.theme-view-transition-shrink::view-transition-new(root) {
    z-index: 1;
  }

  button:not(:disabled) {
    cursor: pointer;
  }

  button:disabled {
    cursor: not-allowed;
  }

  @media (prefers-reduced-motion: reduce) {
    html.theme-fallback-transition,
    html.theme-fallback-transition body {
      transition-duration: 0ms;
    }

    ::view-transition-old(root),
    ::view-transition-new(root) {
      animation-duration: 0ms;
    }
  }
}

@utility cp-scrollbar {
  scrollbar-color: var(--cp-scrollbar-thumb-bg) transparent;
  scrollbar-width: thin;

  &::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }

  &::-webkit-scrollbar-track {
    background: transparent;
  }

  &::-webkit-scrollbar-thumb {
    background: var(--cp-scrollbar-thumb-bg);
    border: 3px solid transparent;
    border-radius: 999px;
    background-clip: content-box;
  }

  &::-webkit-scrollbar-thumb:hover {
    background: var(--cp-scrollbar-thumb-hover-bg);
    border: 3px solid transparent;
    background-clip: content-box;
  }

  &::-webkit-scrollbar-corner {
    background: transparent;
  }
}