/* 设计变量 —— 详见 docs/DESIGN.md */
:root {
  --paper: #faf9f6;
  --surface: #ffffff;
  --ink: #1d2129;
  --ink-2: #5a6070;
  --accent: #2c3e8f;
  --accent-soft: #eceef8;
  --risk: #a13333;
  --risk-soft: #f7ecec;
  --ok: #2d6a4a;
  --ok-soft: #eaf2ed;
  --line: #e3e1da;
  --line-strong: #c9c6bc;

  /* 简中字体优先:界面语言为简体中文,PingFang SC 在前,否则 macOS 会用日文字形渲染汉字 */
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans",
    "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --fs-body: 17px;
  --fs-small: 14px;
  --fs-h1: 28px;
  --fs-h2: 22px;
  --fs-h3: 18px;

  --measure: 42rem;
  --sidebar-w: 264px;
  --radius-ctl: 6px;
  --radius-panel: 10px;
  --shadow-float: 0 8px 24px rgba(0, 0, 0, 0.18);
  --speed: 160ms;
}

[data-theme="dark"] {
  --paper: #191a1c;
  --surface: #202124;
  --ink: #e6e4df;
  --ink-2: #a4a49d;
  --accent: #8fa0e8;
  --accent-soft: #262a3d;
  --risk: #d98c8c;
  --risk-soft: #332424;
  --ok: #8cc7a5;
  --ok-soft: #1f2e26;
  --line: #33353a;
  --line-strong: #4a4d55;
  --shadow-float: 0 8px 24px rgba(0, 0, 0, 0.5);
}

@media (prefers-reduced-motion: reduce) {
  :root { --speed: 0ms; }
  * { animation: none !important; transition: none !important; }
}