:root {
  color-scheme: light dark;
  --bg: light-dark(#f6f8fa, #101416);
  --panel: light-dark(#ffffff, #171d20);
  --topbar-bg: light-dark(rgba(255, 255, 255, 0.92), rgba(23, 29, 32, 0.94));
  --text: light-dark(#172026, #eef4f6);
  --muted: light-dark(#526069, #a8b6bd);
  --line: light-dark(#d8e1e7, #344147);
  --accent: light-dark(#0f766e, #32c8ba);
  --mark-bg: light-dark(#172026, #eef4f6);
  --mark-text: light-dark(#ffffff, #101416);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.siteHeader {
  min-height: 58px;
  border-bottom: 1px solid var(--line);
  background: var(--topbar-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
}

.siteHeaderInner {
  max-width: 840px;
  min-height: 58px;
  margin: 0 auto;
  padding: 8px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.brand:hover { text-decoration: none; }

.brandMark {
  width: 30px;
  height: 30px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--mark-bg);
  color: var(--mark-text);
  font-size: 14px;
  font-weight: 750;
  line-height: 1;
}

.brandName {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

.backLink {
  min-height: 34px;
  flex: none;
  display: inline-flex;
  align-items: center;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.backLink:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.page {
  max-width: 840px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.privacyCard {
  padding: 32px 40px 40px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.privacyIntro { margin-bottom: 32px; }

h1 {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 750;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.updated {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

section + section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

p { max-width: 72ch; }
section p { margin: 0; }
section p + p { margin-top: 12px; }

@media (max-width: 600px) {
  .siteHeaderInner { padding-inline: 16px; }
  .brandName { font-size: 14px; }
  .page { padding: 16px 0 32px; }
  .privacyCard {
    padding: 24px 20px 32px;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }
  .privacyIntro { margin-bottom: 24px; }
}

@media (pointer: coarse) {
  .backLink { min-height: 44px; }
}