/* PDLVDS-RX site. Dark sidebar + header band, light content,
   renders presented light-on-dark on #111 panels (the project
   owner's standing presentation choice). Ported from the retired
   scripts/build_site.py inline stylesheet, with the sidebar TOC
   added for the Jekyll layout. */
body { font-family: system-ui, sans-serif; margin: 0; color: #1a1a1a; }
.shell { display: flex; align-items: stretch; min-height: 100vh; }
.sidebar { flex: 0 0 15.5rem; background: #0f2233; color: #d7e5f2;
  padding: 1.2rem 1rem 2rem; position: sticky; top: 0; height: 100vh;
  overflow-y: auto; box-sizing: border-box; }
.side-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 1rem; }
.side-title a { color: #fff; text-decoration: none; }
.sidebar nav ul.toc { list-style: none; margin: 0 0 1.2rem; padding: 0; }
.sidebar nav ul.toc li { margin: .28rem 0; }
.sidebar a { color: #cfe3f7; text-decoration: none; }
.sidebar a:hover { text-decoration: underline; }
.sidebar a.active { color: #fff; font-weight: 700;
  border-left: 3px solid #34c759; padding-left: .45rem;
  margin-left: -.75rem; }
.toc-head { color: #8fb4d9; font-size: .78rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; margin: .6rem 0 .3rem; }
.side-meta { display: block; font-size: .76rem; color: #8fb4d9;
  margin-left: .2rem; }
.content-wrap { flex: 1 1 auto; min-width: 0; }
header { background: #14304d; color: #fff; padding: 1.2rem 2rem; }
header h1 { margin: 0 0 .4rem; font-size: 1.5rem; }
header p { margin: 0; }
main { max-width: 62rem; padding: 1rem 2rem 3rem; }
img { max-width: 100%; border: 1px solid #ccc; }
table { border-collapse: collapse; margin: .8rem 0; font-size: .92rem; }
th, td { border: 1px solid #bbb; padding: .3rem .55rem; text-align: left; }
th { background: #eef3f8; }
pre { background: #f4f4f4; padding: .7rem; overflow-x: auto; }
code { background: #f0f0f0; padding: 0 .25rem; }
blockquote { border-left: 3px solid #99b; margin-left: 0;
  padding-left: 1rem; color: #444; }
.badge { font-weight: 600; padding: .05rem .45rem; border-radius: .5rem; }
.badge.pass { background: #d9ead3; color: #274e13; }
.badge.fail { background: #f4cccc; color: #7a1f1f; }
.badge.notrun { background: #e0e0e0; color: #555; }
.composite { position: relative; background: #111; line-height: 0; }
.composite img { display: block; width: 100%; border: none; }
.composite img.stack { position: absolute; inset: 0; height: 100%;
  mix-blend-mode: screen; opacity: .55; }
.legend .sw { display: inline-block; width: .8em; height: .8em;
  margin-left: .8em; }
.legend .sw:first-child { margin-left: 0; }
.layergrid { display: flex; flex-wrap: wrap; gap: .6rem; }
.layergrid figure { flex: 1 1 9rem; margin: 0; }
.layergrid img { background: #111; border: none; width: 100%;
  display: block; }
.refview { background: #111; border: 1px solid #444; display: block;
  width: 100%; box-sizing: border-box; }
.routes-viewer { margin: 0 0 .6rem; }
.routes-viewer img { background: #111; border: 1px solid #444;
  display: block; width: 100%; box-sizing: border-box; }
.routes-viewer figcaption { font-size: .85rem; padding-top: .25rem; }
.routes-thumbs { display: flex; flex-wrap: wrap; gap: .6rem;
  margin-bottom: 1rem; }
.routes-thumb { flex: 1 1 9rem; text-decoration: none; color: inherit; }
.routes-thumb img { background: #111; border: 2px solid #ccc;
  display: block; width: 100%; box-sizing: border-box; }
.routes-thumb.active img { border-color: #34c759; }
.routes-thumb span { font-size: .85rem; display: block;
  padding-top: .25rem; }
.burger { display: none; }
.sidebar details.toc-branch { margin: .2rem 0 .8rem; }
.sidebar details.toc-block { margin: .15rem 0 .15rem .4rem; }
.sidebar summary { cursor: pointer; }
.sidebar summary:hover { text-decoration: underline; }
.sidebar details.toc-block > summary { color: #cfe3f7;
  font-size: .92rem; padding: .18rem 0; }
.sidebar ul.branch-links { margin-bottom: .4rem; }
.passflip-nav { position: sticky; bottom: 1rem; z-index: 80;
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 1.5rem; pointer-events: none; }
.passflip { display: flex; align-items: center; gap: .35rem;
  pointer-events: auto;
  background: rgba(15, 34, 51, .94); color: #d7e5f2;
  border: 1.5px solid #d7e5f2;
  padding: .55rem .75rem; border-radius: 2rem; font-weight: 600;
  text-decoration: none; box-shadow: 0 2px 10px rgba(0, 0, 0, .35); }
a.passflip:hover { background: #14304d; text-decoration: none; }
.passflip.disabled { opacity: .35; }
.progresspanel { background: #111; border: 1px solid #444;
  padding: .6rem; }
.progresspanel img { border: none; display: block; width: 100%; }
.tokenpanel { background: #fff; border: 1px solid #bbb;
  padding: .6rem; }
.tokenpanel img { border: none; display: block; width: 100%; }
.layergrid figcaption { font-size: .85rem; padding-top: .25rem; }
.attempt { border-top: 2px solid #14304d; margin-top: 1.6rem;
  padding-top: .4rem; }
.passnav { margin-top: 1.6rem; }
@media (max-width: 56rem) {
  .shell { flex-direction: column; }
  .burger { display: block; position: fixed; top: .55rem; left: .55rem;
    z-index: 70; background: #14304d; color: #fff;
    border: 1px solid #34c759; border-radius: .45rem;
    font-size: 1.25rem; line-height: 1; padding: .4rem .6rem;
    cursor: pointer; }
  .sidebar { display: none; }
  .sidebar.open { display: block; position: fixed; top: 0; left: 0;
    bottom: 0; height: 100vh; width: min(18rem, 86vw); z-index: 65;
    box-shadow: 4px 0 18px rgba(0, 0, 0, .4); }
  header { padding-left: 3.6rem; }
  .passflip span { display: none; }
  .passflip { padding: .55rem .6rem; }
}