/* 法律頁共用樣式。build.mjs 會把它內嵌進 terms.html / privacy.html，
   所以這兩頁部署出去仍然是自帶樣式的單檔。 */
:root {
  --bg: #0b0f14;
  --card: #121821;
  --line: rgba(255, 255, 255, 0.08);
  --text: #e8edf2;
  --muted: rgba(232, 237, 242, 0.55);
  --accent: #7cc4ff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans TC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-text-size-adjust: 100%;
}
.wrap { width: min(820px, calc(100% - 40px)); margin: 0 auto; padding: 56px 0 96px; }

header.doc { padding-bottom: 28px; border-bottom: 1px solid var(--line); margin-bottom: 40px; }
.back { display: inline-block; margin-bottom: 26px; color: var(--muted); font-size: 13.5px; text-decoration: none; }
.back:hover { color: var(--accent); }
h1 { margin: 0 0 12px; font-size: clamp(30px, 4.6vw, 42px); line-height: 1.15; letter-spacing: -0.02em; }
.meta { margin: 0; color: var(--muted); font-size: 13.5px; }
.meta b { color: var(--text); font-weight: 600; }
.lang-switch { margin: 12px 0 0; color: var(--muted); font-size: 13.5px; }
.lang-switch a[aria-current="page"] { color: var(--text); font-weight: 600; text-decoration: none; }

.lede {
  margin: 0 0 40px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 4px 12px 12px 4px;
  background: var(--card);
  color: var(--muted);
  font-size: 15px;
}
.lede strong { color: var(--text); }

nav.toc {
  margin: 0 0 48px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
}
nav.toc h2 { margin: 0 0 12px; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
nav.toc ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 32px; font-size: 14.5px; }
nav.toc li { margin-bottom: 5px; break-inside: avoid; }
nav.toc a { color: var(--text); text-decoration: none; }
nav.toc a:hover { color: var(--accent); text-decoration: underline; }
@media (max-width: 620px) { nav.toc ol { columns: 1; } }

section { margin-bottom: 44px; scroll-margin-top: 24px; }
h2 { margin: 0 0 14px; font-size: 21px; line-height: 1.3; letter-spacing: -0.01em; }
h2 .num { color: var(--accent); font-variant-numeric: tabular-nums; margin-right: 10px; }
h3 { margin: 26px 0 10px; font-size: 16.5px; }
p { margin: 0 0 14px; }
ul, ol.body { margin: 0 0 14px; padding-left: 22px; }
li { margin-bottom: 7px; }
strong { color: #fff; font-weight: 600; }
a { color: var(--accent); }
code { padding: 1px 6px; border-radius: 5px; background: rgba(255,255,255,.07); font-size: 0.9em; }

table { width: 100%; margin: 0 0 16px; border-collapse: collapse; font-size: 14.5px; }
th, td { padding: 10px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: rgba(255,255,255,.04); font-weight: 600; }
.scroller { overflow-x: auto; margin-bottom: 16px; }
.scroller table { margin-bottom: 0; min-width: 480px; }

.callout {
  margin: 0 0 16px;
  padding: 16px 18px;
  border: 1px solid rgba(124, 196, 255, 0.28);
  border-radius: 12px;
  background: rgba(124, 196, 255, 0.06);
  font-size: 15px;
}
.callout p:last-child { margin-bottom: 0; }

.yes { color: #7ee2a8; }
.no  { color: #ff9a8f; }

footer.doc {
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13.5px;
}
footer.doc a { color: var(--muted); }
footer.doc a:hover { color: var(--accent); }

@media (prefers-color-scheme: light) {
  :root { --bg: #f7f9fb; --card: #fff; --line: rgba(11,15,20,.11); --text: #14202b; --muted: rgba(20,32,43,.62); --accent: #1f6fb8; }
  strong { color: #000; }
  th { background: rgba(11,15,20,.03); }
  code { background: rgba(11,15,20,.06); }
  .yes { color: #1f7a4d; }
  .no  { color: #b23c2e; }
}