.article-reading-layout {
  width: min(100% - 48px, 1220px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(184px, 230px) minmax(0, 720px) 30px;
  column-gap: clamp(24px, 3vw, 44px);
  align-items: start;
  justify-content: center;
}

.article-reading-layout > .article-head,
.article-reading-layout > .article-body { grid-column: 2; width: 100%; min-width: 0; }
.article-reading-layout > .article-head { grid-row: 1; }
.article-reading-layout > .article-body { grid-row: 2; }
.article-reading-layout .article-head .container { padding-inline: 0; }
.article-reading-layout .article-body { margin: 0; }
.article-reading-layout .audio-player[hidden] { display: none; }
.article-reading-layout .article-cover { margin: 32px auto 0; max-width: 720px; }
.article-reading-layout .article-cover img { width: 100%; max-height: 520px; display: block; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--card-shadow-lg); }

.article-contents,
.article-progress { grid-row: 1 / span 2; align-self: stretch; min-width: 0; }
.article-contents { grid-column: 1; }
.article-progress { grid-column: 3; }
.article-contents-inner,
.article-progress-inner { position: sticky; top: 112px; }
.article-contents-inner {
  max-height: calc(100vh - 132px);
  overflow: auto;
  padding: 20px 14px 20px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--shade-line) transparent;
}
.article-contents-title,
.article-contents-subtitle {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--muted);
}
.article-contents-title { margin: 0 0 16px; color: var(--ink); }
.article-contents-list,
.article-media-list { list-style: none; padding: 0; margin: 0; }
.article-contents-list { border-left: 1px solid var(--hairline); }
.article-contents-item a,
.article-media-list a {
  display: block;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.article-contents-item a {
  margin-left: -1px;
  padding: 7px 0 7px 15px;
  border-left: 2px solid transparent;
}
.article-contents-item[data-level="3"] a { padding-left: 28px; font-size: 12px; }
.article-contents-item a:hover,
.article-media-list a:hover { color: var(--ink); }
.article-contents-item a:focus-visible,
.article-media-list a:focus-visible,
.article-contents-toggle:focus-visible {
  outline: 2px solid var(--accent-ink);
  outline-offset: 2px;
  border-radius: 2px;
}
.article-contents-item.is-active a {
  color: var(--ink);
  font-weight: 700;
  border-left-color: var(--accent);
}
.article-contents-subtitle { margin: 24px 0 10px; }
.article-media-group + .article-media-group { margin-top: 16px; }
.article-media-group-title {
  margin: 0 0 4px;
  color: var(--shade);
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.4;
  text-transform: uppercase;
}
.article-media-list li + li { margin-top: 5px; }
.article-media-list a { padding: 5px 0; }
.article-media-type {
  display: block;
  color: var(--shade);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.article-contents-toggle { display: none; }

.article-reading-layout .audio-player {
  position: relative;
  isolation: isolate;
  flex-wrap: wrap;
  overflow: hidden;
  background: var(--panel-deep);
  border: 1px solid rgba(161, 158, 206, .26);
  border-radius: var(--radius-lg);
  box-shadow: 0 14px 32px rgba(24, 29, 82, .14);
  transition: transform .28s cubic-bezier(.22,1,.36,1), box-shadow .28s ease;
}
.article-reading-layout .audio-player::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, rgba(219,227,91,.08), transparent 36%, rgba(161,158,206,.08));
  pointer-events: none;
}
.article-reading-layout .audio-player .info span { display: none; }
.article-reading-layout .audio-player .play {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: none;
  transition: transform .2s ease, background-color .2s ease;
}
.article-reading-layout .audio-player .play:hover { transform: scale(1.05); background: var(--accent-soft); }
.article-reading-layout .audio-player .bar { background: rgba(236,233,246,.18); }
.article-reading-layout .audio-player .bar i { background: var(--accent); }
.article-reading-layout .audio-player .time,
.article-reading-layout .audio-player .ctrls { color: rgba(255,255,255,.72); }
.article-reading-layout .audio-player .ctrls button,
.article-reading-layout .audio-player .ctrls a { color: inherit; transition: transform .18s ease, color .18s ease; }
.article-reading-layout .audio-player .ctrls button:hover,
.article-reading-layout .audio-player .ctrls a:hover { color: #fff; transform: translateY(-2px); }
.audio-platforms {
  flex: 1 0 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  padding-top: 12px;
  border-top: 1px solid rgba(236,233,246,.14);
}
.audio-platforms-label { margin-right: 3px; color: var(--shade); font-size: 10px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.audio-platforms a,
.audio-platforms .is-pending {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 4px 9px;
  border: 1px solid rgba(161,158,206,.34);
  border-radius: 999px;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
}
.audio-platforms a { background: rgba(236,233,246,.08); }
.audio-platforms a:hover { border-color: var(--accent); background: rgba(219,227,91,.1); transform: translateY(-1px); }
.audio-platforms .is-pending { opacity: .6; cursor: help; }
@media (hover: hover) {
  .article-reading-layout .audio-player:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 42px rgba(24, 29, 82, .2);
  }
}

.article-preview-link {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--shade) 55%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  background: color-mix(in srgb, var(--shade-soft) 58%, transparent);
  border-radius: 4px;
  padding: 1px 4px;
  margin-inline: 1px;
}
.article-preview-link:hover { background: var(--shade-soft); }
.article-link-preview {
  --preview-hue: 240;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 244px;
  padding: 8px;
  border: 1px solid rgba(24,29,82,.1);
  border-radius: 14px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 20px 48px rgba(24,29,82,.2);
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -100%) translateY(-8px) scale(.9) rotate(-1.5deg);
  transition: opacity .18s ease, transform .28s cubic-bezier(.22,1,.36,1);
  will-change: transform, opacity;
}
.article-link-preview.is-visible { opacity: 1; transform: translate(-50%, -100%) translateY(-16px) scale(1) rotate(-1.5deg); }
.article-link-preview::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 12px;
  height: 12px;
  border-right: 1px solid rgba(24,29,82,.08);
  border-bottom: 1px solid rgba(24,29,82,.08);
  background: #fff;
  transform: translateX(-50%) rotate(45deg);
}
.article-link-preview-visual {
  height: 88px;
  border-radius: 9px;
  background: var(--bg-soft);
  overflow: hidden;
}
.article-link-preview-visual img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: top center; }
.article-link-preview-copy { padding: 9px 5px 4px; }
.article-link-preview-copy strong,
.article-link-preview-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-link-preview-copy strong { color: var(--ink); font-size: 13px; line-height: 1.35; }
.article-link-preview-copy small { margin-top: 3px; color: var(--muted); font-size: 11px; }

.article-progress-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}
.article-progress-ticks {
  height: min(var(--article-progress-height, 320px), calc(100vh - 150px));
  width: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
}
.article-progress-tick {
  display: block;
  flex: 0 0 2px;
  width: 7px;
  background: var(--shade-line);
  border-radius: 3px;
  transition: width .15s ease, background-color .15s ease;
}
.article-progress-tick.is-complete { background: var(--shade); }
.article-progress-tick.is-current { width: 18px; background: var(--accent); }
.article-reading-layout [id^="article-"] { scroll-margin-top: 120px; }
.article-mobile-progress { display: none; }

.article-reading-layout .article-head figure img,
.article-reading-layout .article-body figure img,
.article-reading-layout .article-body p > img {
  box-shadow: 0 12px 28px rgba(24, 29, 82, .12);
  transition: transform .3s ease, box-shadow .3s ease;
}
@media (hover: hover) {
  .article-reading-layout .article-head figure:hover img,
  .article-reading-layout .article-body figure:hover img,
  .article-reading-layout .article-body p > img:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 44px rgba(24, 29, 82, .18);
  }
}

.article-reading-layout .resources {
  max-width: 720px;
  margin: 32px auto 0;
  padding: 28px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
}
.article-reading-layout .resources .label {
  display: block;
  margin-bottom: 18px;
  color: var(--shade);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.article-reading-layout .resources .cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.article-reading-layout .resources .col h5 {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1.5;
  text-transform: uppercase;
}
.article-reading-layout .resources .item { margin-bottom: 10px; padding: 0; border-radius: var(--radius); background: var(--card); }
.article-reading-layout .resources .item a { display: block; padding: 12px 14px; border: 1px solid transparent; border-radius: inherit; }
.article-reading-layout .resources .item a:hover { border-color: var(--shade-line); box-shadow: var(--card-shadow); }
.article-reading-layout .resources .item a:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 2px; }
.article-reading-layout .resources .item b { display: block; color: var(--ink); font-size: 13px; line-height: 1.4; }
.article-reading-layout .resources .item span { display: block; margin-top: 3px; color: var(--muted); font-size: 11.5px; line-height: 1.45; }

@media (max-width: 1060px) {
  .article-reading-layout { grid-template-columns: minmax(165px, 210px) minmax(0, 720px); }
  .article-progress { display: none; }
}

@media (max-width: 760px) {
  .article-reading-layout { width: min(100% - 36px, 720px); display: flex; flex-direction: column; }
  .article-contents { order: 0; width: 100%; }
  .article-reading-layout > .article-head { order: 1; }
  .article-reading-layout > .article-body { order: 2; }
  .article-contents-inner { position: static; max-height: none; overflow: visible; padding: 0; }
  .article-contents-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 13px 16px;
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    background: var(--bg-soft);
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
  }
  .article-contents-toggle::after { content: '+'; font-size: 19px; line-height: 1; }
  .article-contents-toggle[aria-expanded="true"]::after { content: '−'; }
  .article-contents-panel { display: none; padding: 18px 16px 20px; border: 1px solid var(--hairline); border-top: 0; border-radius: 0 0 var(--radius) var(--radius); }
  .article-contents-toggle[aria-expanded="true"] + .article-contents-panel { display: block; }
  .article-contents-title { display: none; }
  .article-mobile-progress { display: block; position: fixed; left: 0; right: 0; top: 0; height: 3px; z-index: 60; background: var(--hairline); }
  .article-mobile-progress > span { display: block; height: 100%; width: 0; background: var(--accent); }
  .article-reading-layout .resources .cols { grid-template-columns: 1fr; }
  .audio-platforms { align-items: flex-start; }
  .article-reading-layout .audio-player { gap: 14px; padding: 16px; }
  .article-reading-layout .audio-player .info { flex: 1 1 calc(100% - 64px); }
  .article-reading-layout .audio-player .bar { order: 4; flex: 1 0 calc(100% - 96px); max-width: none; }
  .article-reading-layout .audio-player .time { order: 5; }
  .article-reading-layout .audio-player .ctrls { order: 6; margin-left: auto; }
  .audio-platforms { order: 7; padding-top: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  .article-progress-tick { transition: none; }
  .article-reading-layout figure img,
  .article-reading-layout .article-body p > img { transition: none; }
  .article-reading-layout .audio-player,
  .article-link-preview { transition: none; }
}
@media (hover: none) {
  .article-link-preview { display: none; }
}