/* Blog-only overrides: game pages continue to use their original styles. */
html:has(body.blog-site), body.blog-site {
  height: auto;
  min-height: 100%;
  overflow: visible;
}
body.blog-site { --blog-page-w: 1500px; --blog-sidebar-w: 420px; }
.blog-site #content.blog-page,
.blog-site #content.article-page { width: min(1500px, calc(100% - 32px)); }
.blog-site .blog-main-row { align-items: stretch; }
.blog-site .blog-right,
.blog-site .article-right {
  flex: 0 0 var(--blog-sidebar-w);
  width: var(--blog-sidebar-w);
  min-width: 0;
  max-width: none;
  align-self: stretch;
}
.blog-site .article-main-row, .blog-site .article-wrap { min-width: 0; }
.blog-site .article-col { flex: 1 1 0; min-width: 0; }
.blog-site .article-prose, .blog-site .article-references { overflow-wrap: anywhere; }
.blog-site .article-keywords {
  margin: 22px 0 28px;
  padding: 16px 18px;
  border-radius: 14px;
  background: rgba(220,237,244,.46);
  text-indent: 0;
  text-align: left;
}
.blog-site .article-equation {
  max-width: 100%;
  margin: 18px 0;
  padding: 15px 18px;
  overflow-x: auto;
  border: 1px solid rgba(125,163,179,.22);
  border-radius: 14px;
  background: rgba(255,255,255,.48);
  color: #29414c;
  font-family: "STIX Two Math", "Cambria Math", Georgia, serif;
  font-size: 1.02em;
  line-height: 1.6;
  text-align: center;
  text-indent: 0;
  white-space: normal;
}
.blog-site .blog-card-title, .blog-site .blog-excerpt {
  display: block;
  overflow: visible;
  -webkit-line-clamp: unset;
}
.blog-site .blog-card[hidden], .blog-site [hidden] { display: none !important; }
.blog-demo {
  position: sticky;
  top: calc(var(--site-menus-height, 104px) + 20px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.6);
  background: rgba(228,244,249,.52);
  backdrop-filter: blur(26px) saturate(160%);
  -webkit-backdrop-filter: blur(26px) saturate(160%);
  box-shadow: 0 24px 64px rgba(0,0,0,.12), inset 0 1px 0 rgba(255,255,255,.7);
  color: var(--font_text_color, #27313a);
}
.blog-demo-heading { display: flex; gap: 14px; align-items: center; }
.blog-demo .header-title { display: flex; flex: 1; margin: 0; font-size: 26px; }
.blog-demo-heading > span { font-size: 13px; }
.blog-demo .board-meta { display: grid; grid-template-columns: 1.25fr 1fr .8fr; z-index: auto; gap: 8px; }
.blog-demo .board-meta-tile { min-width: 0; font-size: 18px; }
.blog-demo .board-meta-tile::before { font-size: 28px; }
.blog-demo-controls { display: flex; align-items: center; gap: 10px; }
.blog-demo-controls [data-demo-status] { font-size: 12px; font-weight: 700; color: #65747c; }
.blog-demo.is-playing [data-demo-status] { color: #176f4b; }
.blog-demo .debug-timer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  flex: 1;
  height: 40px;
  margin: 0;
  transform: none;
  padding: 0 8px;
  font-size: 19px;
  font-variant-numeric: tabular-nums;
  border-radius: 10px;
  background: var(--background_color_info_box);
  border: 1px solid rgba(255,255,255,.35);
  box-shadow: 0 10px 25px rgba(0,0,0,.14), inset 0 1px 0 rgba(255,255,255,.5);
}
.blog-demo-stage {
  aspect-ratio: 13 / 7;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 16px;
  background: rgba(255,255,255,.55);
}
.blog-demo-stage iframe, .blog-demo-stage video, .blog-demo-stage > img:not(.blog-demo-poster) { width: 100%; height: 100%; border: 0; object-fit: contain; }
.blog-demo-poster { width: 100%; height: 100%; object-fit: contain; }
.blog-demo-play { text-align: center; text-decoration: none; }
.blog-game-choice { margin-top: 28px; min-height: 0; gap: 20px; padding: 28px 20px; }
.blog-game-choice h2 { margin: 0 0 22px; text-align: center; font-size: 24px; }
.blog-game-choice a { text-decoration: none; }
.blog-game-choice a:focus-visible { outline: 2px solid #005f73; outline-offset: -4px; }
.blog-game-choice .new-game-choice__card { min-height: 280px; }
.blog-game-choice .new-game-choice__card strong { font-size: 24px; }
.blog-game-choice .new-game-choice__preview { width: 120px; height: 120px; }
@media (max-width: 1200px) {
  body.blog-site { --blog-sidebar-w: 360px; }
  .blog-site .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-col .blog-game-choice .new-game-choice__cards { grid-template-columns: 1fr; }
  .article-col .blog-game-choice .new-game-choice__card { min-height: 200px; }
}
@media (max-width: 960px) {
  .blog-site .blog-main-row, .blog-site .article-main-row { flex-direction: column; }
  .blog-site .blog-right, .blog-site .article-right { width: 100%; flex: 0 0 auto; }
  .blog-demo { position: static; max-width: 560px; margin-inline: auto; }
  .article-col .blog-game-choice .new-game-choice__cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .blog-site #content.blog-page, .blog-site #content.article-page { width: 100%; padding: 24px 12px 56px; }
  .blog-site .article-inner { padding: 22px 18px; }
  .blog-game-choice .new-game-choice__cards,
  .article-col .blog-game-choice .new-game-choice__cards { grid-template-columns: 1fr; }
  .blog-game-choice .new-game-choice__card { min-height: 220px; }
}
@media (max-width: 560px) {
  .blog-site .blog-grid { grid-template-columns: 1fr; }
  .blog-demo { padding: 16px; }
  .blog-demo .board-meta { gap: 6px; }
  .blog-demo .board-meta-tile { font-size: 16px; }
  .blog-demo .board-meta-tile::before { font-size: 23px; }
}
@media (max-height: 680px) and (min-width: 961px) {
  .blog-demo { gap: 10px; padding: 14px; }
  .blog-demo .blog-ad-text { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .blog-site .blog-card, .blog-site .blog-btn { transition: none; }
}

/* On phones the article game selector follows the compact Challenge layout. */
@media (max-width: 620px) {
  .blog-game-choice {
    width: 100%;
    margin-top: 18px;
    padding: 14px 8px;
    gap: 10px;
    border-radius: 16px;
  }

  .blog-game-choice h2 {
    margin: 0 0 10px;
    font-size: 15px;
    line-height: 1.2;
  }

  .blog-game-choice .new-game-choice__cards,
  .article-col .blog-game-choice .new-game-choice__cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
  }

  .blog-game-choice .new-game-choice__card,
  .article-col .blog-game-choice .new-game-choice__card {
    min-width: 0;
    min-height: 126px;
    padding: 8px 4px 7px;
    justify-content: center;
    gap: 4px;
    border: 1px solid rgba(255,255,255,.5);
    border-radius: 13px;
    background: linear-gradient(135deg,var(--inactive-a),var(--inactive-b));
    box-shadow: inset 0 1px rgba(255,255,255,.72), 0 5px 13px rgba(63,87,101,.06);
  }

  .blog-game-choice .new-game-choice__preview {
    display: grid;
    width: 44px;
    height: 44px;
    margin: 0 0 4px;
    padding: 3px;
    border-radius: 10px;
  }

  .blog-game-choice .new-game-choice__preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .blog-game-choice .new-game-choice__card strong {
    min-height: 27px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(10px,3vw,12px);
    line-height: 1.12;
    overflow-wrap: anywhere;
    text-align: center;
  }

  .blog-game-choice .new-game-choice__card small {
    display: none;
  }
}

/* Article subscription: matches feedback_thanks.html without global overrides. */
.blog-subscribe {
  --subscribe-ink: #35414b;
  --subscribe-muted: #657581;
  --subscribe-blue-dark: #397f8d;
  --subscribe-action-a: rgba(198,224,246,.76);
  --subscribe-action-b: rgba(172,210,241,.52);
  margin-top: 30px;
  padding: clamp(28px,6vw,54px);
  border: 1px solid rgba(255,255,255,.82);
  border-radius: 20px;
  background: rgba(249,252,254,.9);
  box-shadow: 0 18px 45px rgba(70,91,104,.16);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--subscribe-ink);
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif;
  font-weight: 400;
  text-align: left;
  scroll-margin-top: calc(var(--site-menus-height, 104px) + 20px);
}
.blog-subscribe h2 { margin: 0; font-size: 21px; font-weight: 600; }
.blog-subscribe p { margin: 8px 0 15px; color: var(--subscribe-muted); line-height: 1.5; }
/* Keep the associated label available to assistive technology. */
.blog-subscribe label {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0;
}
.blog-subscribe-fields { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 10px; }
.blog-subscribe input {
  min-width: 0; width: 100%; min-height: 50px; padding: 0 15px;
  border: 1px solid #cedde3; border-radius: 12px; background: #fff;
  color: var(--subscribe-ink); font: inherit;
}
.blog-subscribe input:focus {
  border-color: var(--subscribe-blue-dark);
  box-shadow: 0 0 0 3px rgba(57,127,141,.14); outline: 0;
}
.blog-subscribe .blog-btn {
  min-height: 58px; padding: 0 24px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; border-radius: 18px; color: #20303a;
  background: linear-gradient(135deg,var(--subscribe-action-a),var(--subscribe-action-b));
  box-shadow: 0 12px 28px rgba(103,147,183,.16),inset 0 1px 0 rgba(255,255,255,.72);
  backdrop-filter: none; -webkit-backdrop-filter: none;
  font: 600 16px/1 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif;
  text-decoration: none; cursor: pointer;
  transition: transform .18s ease,box-shadow .18s ease;
}
.blog-subscribe .blog-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(103,147,183,.20),inset 0 1px 0 rgba(255,255,255,.78);
}
.blog-subscribe .blog-btn:focus-visible { outline: 2px solid var(--subscribe-blue-dark); outline-offset: 3px; }
.blog-subscribe input[aria-invalid] { border-color: #8b3d3d; }
.blog-subscribe .blog-subscribe-success,
.blog-subscribe .blog-subscribe-error {
  margin: 14px 0 0; padding: 11px; border-radius: 10px;
  color: #376b49; background: #dff3e7; font-weight: 500; text-align: center;
}
.blog-subscribe .blog-subscribe-error { color: #8b3d3d; background: #fce8e8; }
@media (max-width: 580px) {
  .blog-subscribe { padding: 28px 18px; }
  .blog-subscribe-fields { grid-template-columns: 1fr; }
  .blog-subscribe .blog-btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .blog-subscribe .blog-btn { transition: none; }
}

/* Back to blog: same glass button styling as Show more. */
.blog-site .article-back{
  border-radius: 999px;
  border: 1px solid var(--blog-btn-border);
  background: var(--blog-btn-bg);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  box-shadow: 0 18px 40px rgba(0,0,0,.10), inset 0 1px 0 rgba(255,255,255,.55);
  color: var(--blog-ink);
  padding: 12px 18px;
  font-size: 14px;
  cursor: pointer;
  transition: transform .16s ease, opacity .16s ease;
  user-select: none;
}

.blog-site .article-back:hover{
  transform: translateY(-1px);
}

.blog-site .article-back:active{
  transform: translateY(0) scale(.99);
}
.blog-site .article-back,
.blog-site .article-back:hover {
  text-decoration: none;
}