/* Scroll-scene layout: the article text lives inside moving glass panels.
 * The toolbar stays available, while the article, glass and sticky TOC share
 * one outer scroll container.
 */

.article-reader-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto 2px minmax(0, 1fr);
  gap: 10px;
  width: min(1380px, calc(100vw - 32px));
  height: calc(100dvh - 24px);
  margin: 12px auto;
}

.article-control-bar {
  position: relative;
  z-index: 20;
  grid-column: 1;
  grid-row: 1;
  min-height: 48px;
  padding: 5px 8px;
  overflow: hidden;
  border-radius: 28px;
  background: #12375a;
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, .25));
  isolation: isolate;
}

.article-control-bar > :not(.v295-standard-gb):not(.v295-standard-gl) {
  position: relative;
  z-index: 2;
}

.article-control-bar .legacy-glass-control {
  overflow: visible;
  border-radius: 18px;
  background: transparent !important;
  box-shadow: none !important;
  filter: none !important;
}

.article-control-bar .legacy-glass-control::before,
.article-control-bar .legacy-glass-control::after {
  display: none !important;
}

.article-control-bar .legacy-glass-control:hover {
  background: rgba(255, 255, 255, .07) !important;
}

.article-control-bar .legacy-glass-control:active {
  background: rgba(255, 255, 255, .11) !important;
}

.article-progress-track {
  position: relative !important;
  inset: auto !important;
  z-index: 18 !important;
  grid-column: 1;
  grid-row: 2;
  display: block !important;
  width: calc(100% - 28px);
  height: 2px;
  margin: 0 14px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, .09);
}

.article-progress-track span {
  border-radius: inherit;
}

.article-scroll {
  position: relative !important;
  inset: auto !important;
  z-index: 3;
  grid-column: 1;
  grid-row: 3;
  box-sizing: border-box;
  min-width: 0;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 8px 8px 72px;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: rgba(229, 183, 232, .42) transparent;
}

.article-scroll::-webkit-scrollbar {
  width: 10px;
}

.article-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.article-scroll::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 99px;
  background: rgba(231, 188, 234, .44);
  background-clip: padding-box;
}

.article-scroll-world {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  align-items: start;
  gap: 20px;
  width: min(1280px, 100%);
  margin: 0 auto;
}

.article-glass-shell {
  position: relative;
  grid-column: 1;
  grid-row: auto;
  min-width: 0;
  min-height: 0;
  overflow: visible !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  filter: none !important;
}

.article-glass-shell > .v295-standard-gb,
.article-glass-shell > .v295-standard-gl {
  display: none !important;
}

.article-document {
  display: grid;
  gap: 26px;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 0 48px;
}

.article-glass-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border-radius: 46px;
  background: #12375a;
  filter: drop-shadow(0 22px 34px rgba(0, 0, 0, .32));
  isolation: isolate;
  scroll-margin-top: 14px;
}

.article-glass-card > :not(.v295-standard-gb):not(.v295-standard-gl) {
  position: relative;
  z-index: 2;
}

.article-hero-card {
  padding: 60px 66px 58px;
}

.article-chapter-card {
  padding: 50px 64px 54px;
}

.article-ending-card {
  padding: 34px 64px;
}

.article-card-continuation {
  margin: 0 0 24px;
  color: rgba(241, 213, 239, .66);
  font-family: var(--pixel, monospace);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.article-glass-card .article-header {
  padding-bottom: 34px;
}

.article-glass-card .article-body {
  position: relative;
  z-index: 2;
}

.article-hero-card .article-body {
  margin-top: 34px;
}

.article-chapter-card .article-body > :first-child {
  margin-top: 0;
}

.article-chapter-card .article-body > :last-child,
.article-hero-card .article-body > :last-child {
  margin-bottom: 0;
}

.article-toc {
  position: sticky;
  top: 8px;
  grid-column: 2;
  grid-row: 1;
  max-height: calc(100dvh - 104px);
  overflow-x: hidden;
  overflow-y: auto;
  border-radius: 34px;
  background: #12375a;
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, .25));
  scroll-margin-top: 8px;
}

.article-toc > :not(.v295-standard-gb):not(.v295-standard-gl) {
  position: relative;
  z-index: 2;
}

.toc-links a {
  scroll-margin-top: 16px;
}

.article-reader:not(.v295-ready) .article-glass-card,
.article-reader:not(.v295-ready) .article-control-bar,
.article-reader:not(.v295-ready) .article-toc,
.article-reader.glass-fallback .article-glass-card,
.article-reader.glass-fallback .article-control-bar,
.article-reader.glass-fallback .article-toc {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, .09), rgba(18, 55, 90, .72) 42%, rgba(18, 35, 76, .82));
}

@media (max-width: 980px) {
  .article-scroll-world {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 14px;
  }

  .article-hero-card,
  .article-chapter-card {
    padding-inline: 48px;
  }
}

@media (max-width: 820px) {
  .article-reader-stage {
    width: calc(100vw - 12px);
    height: calc(100dvh - 12px);
    margin: 6px auto;
    gap: 7px;
  }

  .article-control-bar {
    min-height: 44px;
    border-radius: 23px;
    padding: 3px 5px;
  }

  .article-control-bar.mobile-stable-toolbar {
    border: 1px solid rgba(255, 255, 255, .17);
    background:
      radial-gradient(circle at 16% -40%, rgba(255, 142, 218, .24), transparent 54%),
      radial-gradient(circle at 84% 130%, rgba(99, 219, 255, .22), transparent 58%),
      linear-gradient(180deg, rgba(255, 255, 255, .105), rgba(255, 255, 255, .035) 42%, rgba(5, 12, 35, .18)),
      rgba(24, 31, 71, .58) !important;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, .21),
      inset 0 -1px 0 rgba(3, 8, 27, .32),
      0 12px 28px rgba(0, 0, 0, .28);
    -webkit-backdrop-filter: blur(18px) saturate(138%);
    backdrop-filter: blur(18px) saturate(138%);
  }

  .article-control-bar.mobile-stable-toolbar::before,
  .article-control-bar.mobile-stable-toolbar::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
  }

  .article-control-bar.mobile-stable-toolbar::before {
    z-index: 0;
    background:
      linear-gradient(110deg, rgba(255, 255, 255, .18), transparent 18%, transparent 72%, rgba(118, 231, 255, .11)),
      linear-gradient(180deg, rgba(255, 255, 255, .08), transparent 44%);
    mix-blend-mode: screen;
  }

  .article-control-bar.mobile-stable-toolbar::after {
    z-index: 1;
    inset: 1px;
    border: 1px solid rgba(255, 255, 255, .07);
    box-shadow: inset 0 0 18px rgba(120, 157, 255, .07);
  }

  .article-control-bar.mobile-stable-toolbar > .v295-standard-gb,
  .article-control-bar.mobile-stable-toolbar > .v295-standard-gl {
    display: none !important;
  }

  .article-control-bar.mobile-stable-toolbar > :not(.v295-standard-gb):not(.v295-standard-gl) {
    position: relative;
    z-index: 2;
  }

  .article-scroll {
    padding: 6px 4px 68px;
  }

  .article-scroll-world {
    display: block;
    width: 100%;
  }

  .article-document {
    gap: 18px;
    padding-bottom: 34px;
  }

  .article-glass-card {
    border-radius: 30px;
    filter: drop-shadow(0 16px 27px rgba(0, 0, 0, .28));
  }

  .article-hero-card,
  .article-chapter-card {
    padding: 40px 26px 44px;
  }

  .article-ending-card {
    padding: 28px 26px;
  }

  .article-toc {
    position: fixed;
    inset: auto 10px 10px 10px;
    z-index: 40;
    max-height: min(56dvh, 520px);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(calc(100% + 24px));
    transition: opacity 180ms ease, transform 220ms cubic-bezier(.2, .8, .2, 1), visibility 180ms;
  }

  .article-reader.toc-open .article-toc {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
}

@media (max-width: 560px) {
  .article-control-bar {
    gap: 2px;
  }

  .article-control-bar .legacy-glass-control {
    min-width: 40px;
    height: 36px;
    padding-inline: 9px;
  }

  .article-control-bar .control-back {
    min-width: 78px;
  }

  .article-hero-card,
  .article-chapter-card {
    padding: 34px 22px 38px;
  }

  .article-ending-card {
    padding: 24px 22px;
  }

  .article-header h1 {
    font-size: clamp(30px, 10vw, 46px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-toc {
    transition: none;
  }
}