/* Article tools belong to the byline, not to the site header. */
.guide-pdf-controls.guide-article-tools {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .45rem 1.1rem;
  position: relative;
  margin: 1.1rem 0 .5rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #30483d;
  font: 500 .875rem/1.45 system-ui, sans-serif;
  text-align: start;
}
.guide-pdf-controls.guide-article-tools button,
.guide-pdf-controls.guide-article-tools .guide-cite-link,
.guide-pdf-controls.guide-article-tools [data-pdf-login] {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-block-size: 44px;
  max-inline-size: 100%;
  margin: 0;
  font: inherit;
  line-height: 1.4;
  text-decoration: none;
}
.guide-pdf-controls.guide-article-tools button {
  padding: .6rem .9rem;
  border: 1px solid #99aaa0;
  border-radius: .35rem;
  background: #f8f7f1;
  color: #263e32;
  cursor: pointer;
}
.guide-pdf-controls.guide-article-tools button::before {
  content: "↓";
  display: inline-block;
  flex: 0 0 auto;
  inline-size: .85rem;
  padding-block-end: .08rem;
  border-block-end: 1px solid currentColor;
  font: 600 1rem/1 system-ui, sans-serif;
  text-align: center;
}
.guide-pdf-controls.guide-article-tools button:hover {
  border-color: #486556;
  background: #eeefe7;
}
.guide-pdf-controls.guide-article-tools button:disabled {
  opacity: .65;
  cursor: wait;
}
.guide-pdf-controls.guide-article-tools .guide-cite-link {
  padding: .55rem .1rem;
  border: 0;
  color: #42584c;
  text-decoration: underline;
  text-decoration-color: #a2ada5;
  text-underline-offset: .23em;
  text-decoration-thickness: 1px;
}
.guide-pdf-controls.guide-article-tools .guide-cite-link:hover {
  color: #1c392a;
  text-decoration-color: currentColor;
}
.guide-pdf-controls.guide-article-tools button:focus-visible,
.guide-pdf-controls.guide-article-tools a:focus-visible,
.guide-pdf-controls.guide-article-tools select:focus-visible {
  outline: 2px solid #8c6b36;
  outline-offset: 4px;
}
.guide-pdf-controls.guide-article-tools [role="status"] {
  flex: 0 1 auto;
  min-height: 0;
  flex-basis: auto;
  min-inline-size: 0;
  max-inline-size: 100%;
  color: #526157;
  font-size: .82rem;
  overflow-wrap: anywhere;
}
.guide-pdf-controls.guide-article-tools [role="status"]:empty {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.guide-pdf-controls.guide-article-tools [data-pdf-login] {
  min-inline-size: 44px;
  padding: .35rem;
  color: #304c3c;
  text-decoration: underline;
  text-underline-offset: .2em;
  font-size: .875rem;
}
.guide-pdf-controls.guide-article-tools [hidden] {
  display: none !important;
}
#citation {
  scroll-margin-block-start: 7rem;
}
#citation:focus {
  outline: 2px solid #9b814f;
  outline-offset: 5px;
}
@media (max-width: 480px) {
  .guide-pdf-controls.guide-article-tools {
    gap: .35rem 1rem;
    margin-block-start: 1rem;
  }
  .guide-pdf-controls.guide-article-tools button {
    padding-inline: .75rem;
  }
}
@media (forced-colors: active) {
  .guide-pdf-controls.guide-article-tools button {
    border-color: ButtonText;
  }
}
@media print {
  .guide-pdf-controls.guide-article-tools {
    display: none !important;
  }
}

/* A bounded native selector keeps original and translated PDF choices explicit. */
.guide-pdf-controls.guide-article-tools .guide-pdf-language-field {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .4rem .6rem;
  min-inline-size: 0;
  max-inline-size: 100%;
  color: #526157;
  font-size: .82rem;
}
.guide-pdf-controls.guide-article-tools select[data-pdf-language] {
  box-sizing: border-box;
  min-block-size: 44px;
  min-inline-size: 0;
  max-inline-size: 100%;
  padding: .55rem .7rem;
  border: 1px solid #aab7ae;
  border-radius: .35rem;
  background: #f8f7f1;
  color: #263e32;
  font: inherit;
  line-height: 1.4;
  cursor: pointer;
}
.guide-pdf-controls.guide-article-tools [data-translation-warning] {
  flex-basis: 100%;
  max-inline-size: 100%;
  margin: .15rem 0 0;
  padding: 0;
  color: #74603d;
  font: 400 .8rem/1.5 system-ui, sans-serif;
  overflow-wrap: anywhere;
}


.guide-translation-notice{margin:.8rem 0 1.1rem;padding:.6rem 0;color:#697165;font:400 .82rem/1.55 system-ui,sans-serif;max-width:75ch;text-align:start}
.guide-translation-notice strong{font-weight:600;color:#4e6053}.guide-translation-notice a{color:#526642;text-underline-offset:.2em}
main[data-content-locale="ar"]{text-align:right}main[data-content-locale="ar"] .prose{direction:rtl;text-align:start}main[data-content-locale="ar"] .prose ul,main[data-content-locale="ar"] .prose ol{padding-inline-start:1.5rem;padding-inline-end:0}
main[data-content-locale="ar"] .guide-technical-island{direction:ltr;unicode-bidi:isolate}
main[data-content-locale="ar"] .katex,main[data-content-locale="ar"] .formula,main[data-content-locale="ar"] .paper-math,main[data-content-locale="ar"] code,main[data-content-locale="ar"] pre,main[data-content-locale="ar"] .references,main[data-content-locale="ar"] .citation,main[data-content-locale="ar"] .source-links{direction:ltr;unicode-bidi:isolate;text-align:left}
main[data-content-locale="ja"] .prose,main[data-content-locale="zh"] .prose{line-break:strict;overflow-wrap:anywhere}main[data-content-locale="ja"] h1,main[data-content-locale="zh"] h1{line-height:1.35}
@media print{.guide-translation-notice{display:block!important;color:#384838!important;border-block-start:1px solid #c9d3ca!important;padding:2mm 0!important;font-size:8.5pt!important;break-inside:avoid}}

.guide-source-clarification{margin:1rem 0;padding:.8rem 1rem;border-inline-start:3px solid #8b733b;background:#f0eee5;color:#283632;font-size:.9rem;line-height:1.65;overflow-wrap:anywhere}.guide-source-clarification[dir=rtl]{text-align:right}@media print{.guide-source-clarification{display:block!important;break-inside:avoid;font-size:8.5pt!important;margin:2mm 0!important;padding:2mm!important}}