/* Endleaf pages. Colours, type and space come from inkmirage-tokens.css.
   On these pages --im-accent follows --im-endleaf. Fonts are same-origin subsets. */

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/source-serif-4-600.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+2000-206F;
}
@font-face {
  font-family: "Noto Serif TC";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/noto-serif-tc-600.woff2") format("woff2");
  unicode-range: U+3000-303F, U+4E00-9FFF, U+FF00-FFEF;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/inter-400.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+2000-206F;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/inter-600.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+2000-206F;
}
@font-face {
  font-family: "Noto Sans TC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/noto-sans-tc-400.woff2") format("woff2");
  unicode-range: U+3000-303F, U+4E00-9FFF, U+FF00-FFEF;
}
@font-face {
  font-family: "Noto Sans TC";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/noto-sans-tc-600.woff2") format("woff2");
  unicode-range: U+3000-303F, U+4E00-9FFF, U+FF00-FFEF;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/jetbrains-mono-400.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+2000-206F;
}

/* Same specificity as tokens.css, loaded after it, so the green accent wins in dark mode. */
:root,
[data-theme="dark"] {
  --im-accent: var(--im-endleaf);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --im-accent: var(--im-endleaf);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--im-bg);
  color: var(--im-text);
  font-family: var(--im-font-body);
  font-size: var(--im-text-md);
  font-weight: var(--im-weight-regular);
  line-height: var(--im-leading-body);
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--im-selection); }
:lang(zh-Hant), :lang(zh-Hant-TW) { line-height: var(--im-leading-cjk); }
a { color: var(--im-accent); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, label:focus-visible {
  outline: none;
  box-shadow: var(--im-focus-ring);
  border-radius: var(--im-radius-sm);
}
h1, h2 {
  font-family: var(--im-font-display);
  color: var(--im-ink);
  font-weight: var(--im-weight-semibold);
  line-height: var(--im-leading-tight);
  margin: 0;
}
:lang(zh-Hant) h2, :lang(zh-Hant-TW) h2 { line-height: 1.45; }

.langpick {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}
#show-en:checked ~ .page .zh { display: none; }
#show-zh:checked ~ .page .en { display: none; }

.page { min-height: 100vh; display: flex; flex-direction: column; min-width: 0; }
.wrap {
  width: 100%;
  max-width: 44rem;
  min-width: 0;
  margin: 0 auto;
  padding-left: var(--im-space-6);
  padding-right: var(--im-space-6);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--im-bg);
  border-bottom: var(--im-border-width) solid var(--im-border);
}
.header-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--im-space-4);
  min-height: 72px;
  padding-top: var(--im-space-3);
  padding-bottom: var(--im-space-3);
}
h1.brand { line-height: 0; }
h1.brand svg, .brand svg {
  display: block;
  height: 40px;
  width: auto;
  max-width: 100%;
}
/* One byline file. The other is display:none, not opacity.
   Light: default, prefers-color-scheme: light, or html[data-theme=light].
   Dark: prefers-color-scheme: dark, or html[data-theme=dark].
   These selectors beat a bare .byline-lockup img { display } rule. */
.byline-lockup { display: block; line-height: 0; }
.byline-lockup img {
  height: 40px;
  width: auto;
  max-width: 100%;
}
.byline-lockup img.byline-dark { display: none; }
.byline-lockup img.byline-light { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .byline-lockup img.byline-light { display: block; }
  :root:not([data-theme="dark"]) .byline-lockup img.byline-dark { display: none; }
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .byline-lockup img.byline-light { display: none; }
  :root:not([data-theme="light"]) .byline-lockup img.byline-dark { display: block; }
}
[data-theme="light"] .byline-lockup img.byline-light { display: block; }
[data-theme="light"] .byline-lockup img.byline-dark { display: none; }
[data-theme="dark"] .byline-lockup img.byline-light { display: none; }
[data-theme="dark"] .byline-lockup img.byline-dark { display: block; }
.lang-toggle {
  display: inline-flex;
  align-items: center;
  margin: 0 0 0 auto;
  border: var(--im-border-width) solid var(--im-border);
  border-radius: var(--im-radius-pill);
  padding: 3px;
  background: var(--im-surface);
}
.lang-toggle label {
  font-family: var(--im-font-body);
  font-size: var(--im-text-xs);
  font-weight: var(--im-weight-semibold);
  line-height: var(--im-leading-tight);
  color: var(--im-muted);
  padding: 6px 10px;
  border-radius: var(--im-radius-pill);
  cursor: pointer;
}
#show-en:checked ~ .page label[for="show-en"],
#show-zh:checked ~ .page label[for="show-zh"] {
  background: var(--im-bg);
  color: var(--im-text);
  box-shadow: 0 0 0 1px var(--im-border);
}

main { flex: 1; min-width: 0; }
main article h1 { font-size: var(--im-text-2xl); }
main button {
  min-height: 44px;
  font: inherit;
  font-weight: var(--im-weight-semibold);
  color: var(--im-on-accent);
  background: var(--im-accent);
  border: 0;
  border-radius: var(--im-radius);
  padding: 0 var(--im-space-5);
  cursor: pointer;
}
main .warning {
  margin: 0;
  background: var(--im-surface);
  border: var(--im-border-width) solid var(--im-border);
  border-left: 3px solid var(--im-endleaf);
  border-radius: var(--im-radius);
  padding: var(--im-space-4);
}
main .key {
  margin: 0;
  font-family: var(--im-font-mono);
  font-size: var(--im-text-sm);
  word-break: break-all;
}
main .wrap { padding-top: var(--im-space-7); padding-bottom: var(--im-space-8); }
article { display: flex; flex-direction: column; gap: var(--im-space-5); min-width: 0; }
.lede {
  margin: 0;
  max-width: var(--im-measure);
  font-size: var(--im-text-lg);
  line-height: var(--im-leading-body);
}
:lang(zh-Hant) .lede, :lang(zh-Hant-TW) .lede { line-height: var(--im-leading-cjk); }
main > .wrap > h2 { font-size: var(--im-text-2xl); }
.card {
  background: var(--im-surface);
  border: var(--im-border-width) solid var(--im-border);
  border-top: 3px solid var(--im-endleaf);
  border-radius: var(--im-radius-lg);
  padding: var(--im-space-6);
  min-width: 0;
  max-width: 100%;
}
.card h2 { font-size: var(--im-text-xl); margin-bottom: var(--im-space-4); }
.card p { margin: var(--im-space-3) 0 0; }
.card p:first-of-type { margin-top: 0; }
ul { margin: 0; padding-left: 1.2rem; }
li { margin: 0.35rem 0; }
li::marker { color: var(--im-endleaf); }
code, pre {
  font-family: var(--im-font-mono);
  font-size: var(--im-text-sm);
}
pre {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  white-space: pre;
  margin: var(--im-space-4) 0 0;
  padding: var(--im-space-4);
  background: var(--im-bg);
  border: var(--im-border-width) solid var(--im-border);
  border-radius: var(--im-radius);
  line-height: 1.45;
}

.site-footer {
  background: var(--im-surface);
  border-top: var(--im-border-width) solid var(--im-border);
  color: var(--im-muted);
  font-size: var(--im-text-sm);
}
.site-footer .wrap { padding-top: var(--im-space-5); padding-bottom: var(--im-space-5); }
.site-footer p { margin: 0 0 var(--im-space-2); }
.site-footer a { color: var(--im-muted); }
.site-footer a:hover { color: var(--im-text); }
.legal { display: flex; flex-wrap: wrap; gap: var(--im-space-2) var(--im-space-4); margin: var(--im-space-3) 0; }
.byline { margin-top: var(--im-space-3); }

body.sheet main {
  max-width: 38rem;
  margin: 0 auto;
  padding: var(--im-space-7) var(--im-space-5) var(--im-space-8);
}
body.sheet h1 { font-size: var(--im-text-2xl); margin-bottom: var(--im-space-3); }
body.sheet .brand svg, body.sheet .byline-lockup { margin-bottom: var(--im-space-5); }
body.sheet p { margin: var(--im-space-3) 0; }
body.sheet .zh { margin-top: 0; }
body.sheet form { margin-top: var(--im-space-5); }
body.sheet label {
  display: block;
  font-weight: var(--im-weight-semibold);
  margin-bottom: var(--im-space-2);
}
body.sheet input[type="email"] {
  width: 100%;
  max-width: 28rem;
  box-sizing: border-box;
  min-height: 44px;
  font: inherit;
  color: var(--im-text);
  background: var(--im-bg);
  border: var(--im-border-width) solid var(--im-border);
  border-radius: var(--im-radius);
  padding: 0.55rem 0.7rem;
}
body.sheet button {
  margin-top: var(--im-space-4);
  min-height: 44px;
  font: inherit;
  font-weight: var(--im-weight-semibold);
  color: var(--im-on-accent);
  background: var(--im-accent);
  border: 0;
  border-radius: var(--im-radius);
  padding: 0 var(--im-space-5);
  cursor: pointer;
}
body.sheet .notice {
  background: var(--im-surface);
  border: var(--im-border-width) solid var(--im-border);
  border-radius: var(--im-radius);
  padding: var(--im-space-4);
}
body.sheet pre {
  color: var(--im-text);
  background: var(--im-surface);
  border: var(--im-border-width) solid var(--im-border);
  border-radius: var(--im-radius);
  padding: var(--im-space-4);
  white-space: pre-wrap;
  word-break: break-all;
}
body.sheet .byline { margin-top: var(--im-space-6); font-size: var(--im-text-sm); color: var(--im-muted); }
body.sheet .byline a { color: var(--im-muted); }

@media (max-width: 760px) {
  .wrap { padding-left: var(--im-space-4); padding-right: var(--im-space-4); }
  .header-row { min-height: 64px; gap: var(--im-space-3); }
  h1.brand svg, .brand svg, .byline-lockup img { height: 32px; }
  .card { padding: var(--im-space-5); }
  main .wrap { padding-top: var(--im-space-6); padding-bottom: var(--im-space-7); }
  .lede { font-size: var(--im-text-md); }
}