/* 泠靈小工具的首頁與隱私權政策：只有這一份樣式，不載入任何外部資源 */

:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #1f2328;
  --muted: #57606a;
  --border: #d8dee4;
  --link: #0b5cad;
  --accent: #7a3e12;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --surface: #1c1f24;
    --text: #e6e8eb;
    --muted: #a3abb5;
    --border: #353b43;
    --link: #7cb7ff;
    --accent: #e0a46e;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", "Noto Sans CJK TC", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.75;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  padding: 0.5rem 0.75rem;
  background: var(--surface);
  border: 2px solid var(--link);
  z-index: 1;
}

header,
main,
footer {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  padding-top: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  align-items: baseline;
}

.site-nav .brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  margin-right: auto;
}

main {
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

h1 {
  font-size: 2rem;
  line-height: 1.3;
  margin: 0.5rem 0 0.5rem;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.4;
  margin: 2.25rem 0 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

h3 {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.25rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  margin-top: 0;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

a {
  color: var(--link);
  text-underline-offset: 0.15em;
}

a:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
}

.download {
  display: inline-block;
  margin: 0.5rem 0;
  padding: 0.6rem 1.1rem;
  border: 2px solid var(--accent);
  border-radius: 0.4rem;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.download:hover {
  background: var(--surface);
}

.summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  padding: 0.75rem 1.25rem;
}

code {
  font-family: ui-monospace, "Cascadia Mono", Consolas, "Noto Sans Mono", monospace;
  font-size: 0.92em;
  overflow-wrap: anywhere;
}

ul {
  padding-left: 1.4rem;
}

li + li {
  margin-top: 0.25rem;
}

footer {
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}