/* The page stays in place beneath a single accessible, top-layer reader. */
html.guide-reader-open { overflow: hidden; scrollbar-gutter: stable; }
.guide-reader {
  width: min(1120px, calc(100vw - 64px)); height: calc(100dvh - 64px);
  max-width: none; max-height: none; margin: auto; padding: 0;
  border: 1px solid var(--line); border-radius: 20px;
  background: var(--paper); color: var(--ink);
  box-shadow: 0 24px 90px #233d3233; overflow: hidden;
}
.guide-reader[open] { display: flex; flex-direction: column; }
.guide-reader::backdrop { background: #23352e66; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.guide-reader-toolbar { display: flex; align-items: center; gap: 16px; flex-shrink: 0; padding: 12px 24px; border-bottom: 1px solid var(--line); }
.guide-reader-toolbar strong { margin-right: auto; font-size: 14px; white-space: nowrap; }
.guide-reader-toolbar :is(a, button) { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; flex-shrink: 0; white-space: nowrap; font: inherit; font-size: 14px; }
.guide-reader-toolbar button, .guide-reader-feedback button { border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; background: transparent; color: inherit; cursor: pointer; }
.guide-reader-toolbar .guide-reader-close { background: var(--ink); color: #fff; border-color: var(--ink); }
.guide-reader-close span { font-size: 23px; line-height: 1; }
.guide-reader [hidden] { display: none !important; }
.guide-reader-scroll { min-height: 0; flex: 1; overflow: auto; overscroll-behavior: contain; scrollbar-gutter: stable; scroll-padding-top: 24px; }
.guide-reader [data-reader-content] { padding: 0 44px 36px; }
.guide-reader-feedback { padding: 32px 44px; }
.guide-reader .page-head { padding: 32px 0 28px; }
.guide-reader .page-head h1 { font-size: clamp(26px, 3.2vw, 40px); line-height: 1.35; }
.guide-reader .guide-layout { display: block; }
.guide-reader .guide-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 32px; border-top: 1px solid var(--line); padding-top: 24px; }
.guide-reader [id] { scroll-margin-top: 24px; }
.guide-reader :is(h1, h2, h3)[tabindex="-1"]:focus { outline: none; }
@media (max-width: 640px) {
  .guide-reader { width: calc(100vw - 16px); height: calc(100dvh - 16px); border-radius: 14px; }
  .guide-reader-toolbar { gap: 8px; padding: 8px 12px; flex-wrap: wrap; }
  .guide-reader-toolbar strong { font-size: 12px; }
  .guide-reader-toolbar :is(a, button) { font-size: 12px; gap: 4px; }
  .guide-reader-toolbar button { padding: 8px 10px; }
  .guide-reader-toolbar [data-reader-back] { order: 4; }
  .guide-reader [data-reader-content], .guide-reader-feedback { padding: 0 16px 24px; }
  .guide-reader-feedback { padding-top: 24px; }
  .guide-reader .page-head { padding: 24px 0; }
  .guide-reader .guide-aside { grid-template-columns: 1fr; }
}