/* Article page */
.article-head {
  max-width: 780px;
  margin: 0 auto;
  padding: 46px 0 0;
}
.article-hero { padding: 0 0 20px; }
.article-head .crumbs {
  margin: 0 0 12px;
  gap: 5px;
  font-size: 0.8rem;
}
.article-hero h1 { font-family: var(--font-display); font-size: clamp(1.8rem, 4.2vw, 2.7rem); font-weight: 700; line-height: 1.18; letter-spacing: -0.01em; color: var(--heading-color); text-wrap: balance; }
.article-meta-row { display: flex; gap: 18px; flex-wrap: wrap; color: var(--ink-3); font-size: 0.9rem; margin-top: 16px; }
.article-meta-row .article-meta-views, .article-meta-row span:nth-child(2) { font-variant-numeric: tabular-nums; }
.article-author { color: var(--accent); text-decoration: none; font-weight: 600; }
@media (hover: hover) and (pointer: fine) {
  .article-author:hover { text-decoration: underline; }
}
.article-cover { width: 100%; height: auto; max-width: 780px; max-height: 440px; object-fit: cover; border-radius: var(--radius, 14px); margin: 24px auto; display: block; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.article-body {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius, 14px);
  padding: 40px 48px;
  box-shadow: var(--shadow-sm);
  max-width: 780px;
  margin: 0 auto;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}
.block { margin-bottom: 20px; }
.block p { color: var(--ink-1); font-size: 1.08rem; line-height: 1.75; }
.block h1, .block h2, .block h3, .block h4 { margin: 12px 0 6px; line-height: 1.3; color: var(--heading-color); font-family: var(--font-display); }
.block h1 { font-size: var(--heading-h3); }
.block h2 { font-size: var(--heading-h4); }
.block h3 { font-size: 1.3rem; }
.block h4 { font-size: 1.15rem; }
.block.align-center, .block .align-center { text-align: center; }
.block.align-right, .block .align-right { text-align: right; }
.block img { max-width: 100%; height: auto; border-radius: var(--radius-sm, 8px); background: var(--surface-2); }
.block figure { margin: 10px 0; }
.block figcaption { color: var(--ink-3); font-size: 0.85rem; text-align: center; margin-top: 8px; }
.block.alert-block, .block.callout, .block.table-wrap { text-align: left; }
.block.align-center.alert-block, .block.align-center.callout, .block.align-center.table-wrap { text-align: center; }
.block.align-right.alert-block, .block.align-right.callout, .block.align-right.table-wrap { text-align: right; }
.block.media-lazy.align-center { max-width: 100%; margin-left: auto; margin-right: auto; }
.block.media-lazy.align-right { margin-left: auto; margin-right: 0; }

/* Image block: images render directly, at in-page size. */
.blockquote {
  border-left: 4px solid var(--accent);
  padding: 16px 24px;
  font-style: italic;
  color: var(--ink-1);
  background: var(--surface-2);
  border-radius: 0 var(--radius-sm, 8px) var(--radius-sm, 8px) 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  transition: background-color 0.3s ease;
}
.blockquote .cite { display: block; margin-top: 8px; font-size: 0.8rem; color: var(--ink-3); font-style: normal; }
pre.code {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 18px 20px;
  border-radius: var(--radius-sm, 8px);
  overflow-x: auto;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}
pre.code .lang { display: block; color: var(--code-muted); font-size: 0.75rem; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.05em; }
ul.block-list, ol.block-list { padding-left: 24px; color: var(--ink-1); }
ul.block-list li, ol.block-list li { margin-bottom: 6px; }
.callout { padding: 18px 20px; border-radius: var(--radius-sm, 8px); border: 1px solid var(--border); background: var(--surface-2); transition: background-color 0.3s ease; }
.callout .label { font-weight: 700; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; color: var(--ink-2); }
.callout.type-tip { border-left: 4px solid var(--success); }
.callout.type-warn { border-left: 4px solid var(--warning); }
.callout.type-danger { border-left: 4px solid var(--danger); }
.embed-wrap { position: relative; aspect-ratio: 16/9; border-radius: var(--radius-sm, 8px); overflow: hidden; border: 1px solid var(--border); }
.embed-wrap iframe { width: 100%; height: 100%; border: 0; }

/* Article tables */
.table-wrap { margin: 8px 0; }
.table-caption { color: var(--ink-3); font-size: 0.82rem; text-align: center; margin-bottom: 10px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm, 10px); }
.table-scroll table { width: 100%; border-collapse: collapse; font-size: 0.94rem; min-width: 480px; }
.table-scroll th {
  background: var(--surface-2);
  color: var(--ink-1);
  font-weight: 700;
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
}
.table-scroll td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--ink-2); vertical-align: top; }
.table-scroll tr:last-child td { border-bottom: none; }
@media (hover: hover) and (pointer: fine) {
  .table-scroll tbody tr:hover { background: var(--surface-2); }
}

/* Raw HTML block */
.raw-html { overflow-x: auto; }
.raw-html img { max-width: 100%; border-radius: var(--radius-sm, 8px); }
.raw-html pre { background: var(--code-bg); color: var(--code-ink); padding: 16px; border-radius: var(--radius-sm, 8px); overflow-x: auto; }
.raw-html table { width: 100%; border-collapse: collapse; }
.raw-html td, .raw-html th { border: 1px solid var(--border); padding: 8px 12px; }

/* Button block */
.button-block { margin: 8px 0; }
.button-block .btn { display: inline-block; padding: 12px 24px; border-radius: 999px; font-size: 0.95rem; font-weight: 600; text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: background-color 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s; }
.button-block .btn.primary { background: var(--accent); color: var(--surface); }
@media (hover: hover) and (pointer: fine) {
  .button-block .btn.primary:hover { filter: brightness(1.08); }
}
.button-block .btn.secondary { background: transparent; color: var(--ink-1); border-color: var(--border-strong); }
@media (hover: hover) and (pointer: fine) {
  .button-block .btn.secondary:hover { border-color: var(--accent); color: var(--accent); }
}
.button-block .btn.ghost { background: transparent; color: var(--ink-2); text-decoration: underline; text-underline-offset: 4px; }
@media (hover: hover) and (pointer: fine) {
  .button-block .btn.ghost:hover { color: var(--accent); }
}

/* Spacer block */
.spacer-block { min-height: 8px; }

/* Columns block */
.columns-block { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.columns-block .columns-col { color: var(--ink-2); line-height: 1.7; }
@media (max-width: 640px) { .columns-block { grid-template-columns: 1fr; } }

/* Accordion block */
.accordion-block { border: 1px solid var(--border); border-radius: var(--radius-sm, 10px); overflow: hidden; }
.accordion-title { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 14px 18px; background: var(--surface-2); color: var(--ink-1); font-family: var(--font-display); font-size: 1.02rem; font-weight: 600; border: none; cursor: pointer; text-align: left; }
@media (hover: hover) and (pointer: fine) {
  .accordion-title:hover { color: var(--accent); }
}
.accordion-caret { font-size: 1.2rem; color: var(--ink-3); transition: transform 0.25s; }
.accordion-block.open .accordion-caret { transform: rotate(45deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.accordion-block.open .accordion-body { max-height: 800px; }
.accordion-body p { padding: 14px 18px; color: var(--ink-2); margin: 0 !important; }

/* Alert block */
.alert-block { padding: 16px 18px; border-radius: var(--radius-sm, 10px); border: 1px solid var(--border); background: var(--surface-2); line-height: 1.7; color: var(--ink-1); }
.alert-block .alert-label { font-weight: 700; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; color: var(--ink-2); }
.alert-block.type-info { border-left: 4px solid var(--accent); }
.alert-block.type-success { border-left: 4px solid var(--success); }
.alert-block.type-warning { border-left: 4px solid var(--warning); }
.alert-block.type-danger { border-left: 4px solid var(--danger); }

/* Audio / Video blocks */
.audio-block, .video-block { margin: 8px 0; }
.audio-player { width: 100%; }
.video-player { width: 100%; max-height: 520px; border-radius: var(--radius-sm, 10px); background: #000; }
.media-caption { color: var(--ink-3); font-size: 0.85rem; text-align: center; margin-top: 8px; }

/* Lazy media (embed / iframe / video / audio with click-to-play) */
.media-lazy { position: relative; }
.media-lazy-inner {
  position: relative;
  aspect-ratio: 16/9;
  width: 100%;
  background: #000;
  border-radius: var(--radius-sm, 10px);
  overflow: hidden;
  cursor: pointer;
}
.media-lazy .media-lazy-poster { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; transition: transform 0.5s ease; }
@media (hover: hover) and (pointer: fine) {
  .media-lazy:hover .media-lazy-poster { transform: scale(1.03); }
}
.media-lazy .media-lazy-inner iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* video facade play button: glass circle with ring, matches the in-player toggle */
.media-lazy-play {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: rgba(15, 13, 11, 0.62);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.38), inset 0 0 0 1px rgba(255, 255, 255, 0.16);
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.2s ease;
}
.media-lazy-play::before { content: ""; position: absolute; inset: -9px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.32); opacity: 0.75; }
@media (hover: hover) and (pointer: fine) {
  .media-lazy-play:hover { transform: scale(1.07); background: rgba(15, 13, 11, 0.8); }
}
.media-lazy-play svg { margin-left: 4px; }

/* audio facade: the same card the player becomes, so nothing jumps on click */
.media-audio-facade {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px 14px 14px;
  background: var(--surface-2, #f4f1ea);
  border: 1px solid var(--border, #e2dccd);
  border-radius: var(--radius-sm, 12px);
}
.media-audio-facade .media-lazy-play {
  position: static;
  inset: auto;
  margin: 0;
  flex: none;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--accent, #d9480f), var(--accent-2, #b3560f));
  color: var(--accent-ink, #fff);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}
.media-audio-facade .media-lazy-play::before { display: none; }
@media (hover: hover) and (pointer: fine) {
  .media-audio-facade .media-lazy-play:hover { transform: scale(1.06); background: linear-gradient(135deg, var(--accent, #d9480f), var(--accent-2, #b3560f)); }
}
.media-audio-eq { flex: none; display: flex; align-items: flex-end; gap: 3px; height: 20px; width: 21px; }
.media-audio-eq i { width: 3px; border-radius: 2px; background: var(--accent, #d9480f); height: 40%; opacity: 0.5; }
.media-audio-label { font-size: 0.85rem; font-weight: 600; color: var(--ink-2, #4c463c); }
/* Audio overlay: an icon-only "listen" chip so readers don't mistake it for video */
.media-lazy-audio {
  position: relative;
  inset: auto;
  width: auto;
  height: auto;
  padding: 11px;
  color: var(--ink-1);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.media-lazy-audio svg { margin: 0; color: var(--accent); }
.media-lazy-inner iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.media-lazy-inner video, .media-lazy-inner audio { width: 100%; display: block; }
.media-lazy-inner video { background: #000; border-radius: var(--radius-sm, 10px); }

/* ---- own (in-app) media player ---- */
/* ---- Self-hosted media players ---- */
.own-player { position: relative; width: 100%; border-radius: var(--radius-sm, 12px); overflow: hidden; background: #0b0a09; color: #fff; }
.own-player-media { display: block; width: 100%; height: 100%; object-fit: contain; background: #000; }

/* video: 16/9 stage, controls overlay the picture */
.own-player--video { aspect-ratio: 16 / 9; }
.own-player--video .own-player-media { position: absolute; inset: 0; }

/* bottom shade behind the control bar */
.own-player-shade { position: absolute; left: 0; right: 0; bottom: 0; height: 92px;
  background: linear-gradient(transparent, rgba(8, 7, 6, 0.78));
  opacity: 1; transition: opacity 0.3s ease; pointer-events: none; z-index: 1; }

/* tap layer over the picture */
.own-player-click { position: absolute; inset: 0; z-index: 1; background: transparent; cursor: pointer; }

/* big center play button (paused state) */
.own-player-toggle {
  position: absolute; inset: 0; margin: auto; width: 74px; height: 74px;
  border: none; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(15, 13, 11, 0.62);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  color: #fff; cursor: pointer; z-index: 2;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.38), inset 0 0 0 1px rgba(255, 255, 255, 0.16);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.22s ease, background-color 0.2s ease;
}
.own-player-toggle::before { content: ""; position: absolute; inset: -9px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.32); opacity: 0.75; }
@media (hover: hover) and (pointer: fine) {
  .own-player-toggle:hover { transform: scale(1.07); background: rgba(15, 13, 11, 0.8); }
}
.own-player-toggle svg { margin-left: 4px; }
.own-player.is-playing .own-player-toggle { opacity: 0; transform: scale(0.82); pointer-events: none; }

/* buffering spinner */
.own-player-spinner { position: absolute; inset: 0; margin: auto; width: 46px; height: 46px;
  border-radius: 50%; border: 3px solid rgba(255, 255, 255, 0.28); border-top-color: #fff;
  opacity: 0; transition: opacity 0.2s ease; pointer-events: none; z-index: 2;
  animation: ownSpin 0.85s linear infinite; }
.own-player.is-buffering .own-player-spinner { opacity: 1; }
@keyframes ownSpin { to { transform: rotate(360deg); } }

/* play/pause flash feedback */
.own-player-flash { position: absolute; inset: 0; margin: auto; width: 66px; height: 66px;
  border-radius: 50%; background: rgba(15, 13, 11, 0.62); color: #fff;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: scale(0.72); pointer-events: none; z-index: 2; }
.own-player-flash.is-flash { animation: ownFlash 0.5s ease forwards; }
@keyframes ownFlash { 0% { opacity: 0.92; transform: scale(0.72); } 100% { opacity: 0; transform: scale(1.3); } }

/* control bar overlays the bottom edge */
.own-player-bar { position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  display: flex; align-items: center; gap: 10px; padding: 26px 14px 10px;
  background: linear-gradient(transparent, rgba(8, 7, 6, 0.82));
  font-size: 0.78rem; transition: opacity 0.28s ease; }
.own-player.is-idle .own-player-bar, .own-player.is-idle .own-player-shade { opacity: 0; }
.own-player.is-idle .own-player-click { cursor: none; }

.own-player-btn { border: none; background: none; color: inherit; cursor: pointer;
  padding: 5px; display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 8px; }
@media (hover: hover) and (pointer: fine) {
  .own-player-btn:hover { background: rgba(255, 255, 255, 0.16); }
}
.own-player-btn:focus-visible, .own-player-seek:focus-visible, .own-player-vol:focus-visible {
  outline: 2px solid var(--accent, #fff); outline-offset: 2px; }

/* seek track: buffered range + played fill + hover thumb */
.own-player-seek { flex: 1; height: 20px; position: relative; cursor: pointer;
  touch-action: none; display: flex; align-items: center; }
.own-player-seek::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 4px;
  border-radius: 4px; background: rgba(255, 255, 255, 0.24); transform: translateY(-50%); }
.own-player-seek-buffer { width: 0; background: rgba(255, 255, 255, 0.38); position: absolute;
  left: 0; top: 50%; height: 4px; border-radius: 4px; transform: translateY(-50%); }
.own-player-seek-fill { width: 0; background: var(--accent, #fff); position: absolute;
  left: 0; top: 50%; height: 4px; border-radius: 4px; transform: translateY(-50%); }
.own-player-seek-thumb { position: absolute; left: 0; top: 50%; width: 12px; height: 12px;
  border-radius: 50%; background: #fff; box-shadow: 0 1px 5px rgba(0, 0, 0, 0.45);
  transform: translate(-50%, -50%); opacity: 0; transition: opacity 0.15s ease; }
.own-player-seek:hover .own-player-seek-thumb,
.own-player-seek.is-scrubbing .own-player-seek-thumb { opacity: 1; }
.own-player-time { min-width: 76px; text-align: right; font-variant-numeric: tabular-nums; color: rgba(255, 255, 255, 0.92); }
.own-player-vol { width: 56px; height: 20px; position: relative; cursor: pointer; touch-action: none; }
.own-player-vol::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 4px;
  border-radius: 4px; background: rgba(255, 255, 255, 0.24); transform: translateY(-50%); }
.own-player-vol-fill { position: absolute; left: 0; top: 50%; height: 4px; border-radius: 4px;
  background: var(--accent, #fff); transform: translateY(-50%); }

/* audio: horizontal card */
.own-player--audio { display: flex; align-items: center; gap: 14px; padding: 14px 18px 14px 14px;
  background: var(--surface-2, #f4f1ea); border: 1px solid var(--border, #e2dccd); color: var(--ink-1, #191714); }
.own-player--audio .own-player-media { display: none; }
.own-player--audio .own-player-click, .own-player--audio .own-player-shade,
.own-player--audio .own-player-spinner, .own-player--audio .own-player-flash { display: none; }
.own-player-audio-play { flex: none; width: 52px; height: 52px; border-radius: 50%; border: none;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  background: linear-gradient(135deg, var(--accent, #d9480f), var(--accent-2, #b3560f));
  color: var(--accent-ink, #fff); box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.2s ease; }
@media (hover: hover) and (pointer: fine) {
  .own-player-audio-play:hover { transform: scale(1.06); box-shadow: 0 8px 22px rgba(0, 0, 0, 0.26); }
}
.own-player-audio-play:active { transform: scale(0.97); }
.own-player-eq { flex: none; display: flex; align-items: flex-end; gap: 3px; height: 20px; width: 21px; }
.own-player-eq i { width: 3px; border-radius: 2px; background: var(--accent, #d9480f); height: 100%; opacity: 0.45; }
.own-player--audio.is-playing .own-player-eq i { animation: ownPlayerEq 0.9s ease-in-out infinite; }
.own-player--audio.is-playing .own-player-eq i:nth-child(2) { animation-delay: 0.18s; }
.own-player--audio.is-playing .own-player-eq i:nth-child(3) { animation-delay: 0.36s; }
@keyframes ownPlayerEq { 0%, 100% { height: 30%; opacity: 0.5; } 50% { height: 100%; opacity: 1; } }
.own-player--audio .own-player-bar { position: static; flex: 1; min-width: 0; padding: 0;
  background: none; color: var(--ink-1, #191714); }
.own-player--audio .own-player-seek::before { background: var(--border-strong, #ddd5c2); }
.own-player--audio .own-player-seek-buffer { background: var(--border-strong, #ddd5c2); }
.own-player--audio .own-player-seek-fill { background: var(--accent, #d9480f); }
.own-player--audio .own-player-seek-thumb { background: var(--accent, #d9480f); }
.own-player--audio .own-player-vol::before { background: var(--border-strong, #ddd5c2); }
.own-player--audio .own-player-vol-fill { background: var(--accent, #d9480f); }
.own-player--audio .own-player-time { color: var(--ink-2, #4c463c); }
@media (hover: hover) and (pointer: fine) {
  .own-player--audio .own-player-btn:hover { background: rgba(0, 0, 0, 0.07); }
}

@media (max-width: 480px) {
  .own-player-toggle { width: 58px; height: 58px; }
  .own-player-bar { gap: 8px; padding: 22px 10px 8px; }
  .own-player-vol { display: none; }
  .own-player-time { min-width: 64px; }
  .own-player--audio { gap: 11px; padding: 12px; }
  .own-player-audio-play { width: 46px; height: 46px; }
}

@media (max-width: 640px) {
  .media-lazy-play { width: 54px; height: 54px; }
  .media-lazy-play svg { width: 22px; height: 22px; }
}
@media (max-width: 640px) {
  .table-scroll { font-size: 0.85rem; }
  .table-scroll th, .table-scroll td { padding: 8px 10px; }
}

.article-end {
  display: flex;
  justify-content: center;
  margin: 40px 0 0;
}
.article-end span {
  width: 64px;
  height: 3px;
  border-radius: 999px;
  background: var(--border-strong);
}


/* ============ Article navigation (prev/next + shuffle) ============ */
.article-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 32px;
}
.article-nav-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink-1);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
@media (hover: hover) and (pointer: fine) {
  .article-nav-link:hover { border-color: var(--accent); transform: translateY(-1px); box-shadow: var(--shadow-md); }
}
.article-nav-prev { text-align: left; }
.article-nav-next { text-align: right; }
.article-nav-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.article-nav-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.35;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.article-nav-link.is-inert { border: none; box-shadow: none; background: transparent; }
.article-nav-shuffle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
  justify-self: center;
}
@media (hover: hover) and (pointer: fine) {
  .article-nav-shuffle:hover { border-color: var(--accent); color: var(--accent); transform: rotate(180deg); }
}
@media (max-width: 640px) {
  .article-nav { grid-template-columns: 1fr auto 1fr; gap: 8px; }
  .article-nav-title { -webkit-line-clamp: 1; }
}

/* ============ Article layout variants ============ */
@media (min-width: 641px) {
  body.article-layout-wide .article-head,
  body.article-layout-wide .article-body { max-width: 900px; }
  body.article-layout-wide .article-cover { max-width: 900px; }

  body.article-layout-sidebar .article-head,
  body.article-layout-sidebar .article-body { max-width: none; }
}
.article-sidebar-layout .home-main { min-width: 0; }
@media (max-width: 1024px) {
  .article-sidebar-layout { grid-template-columns: 1fr; }
  .article-sidebar-layout .home-side { position: static; }
}

/* ============ Mobile (keeps the article tight under the floating header) ============ */
@media (max-width: 640px) {
  .article-body { padding: 16px 14px; max-width: none; }
  .article-body .block { margin-bottom: 12px; }
  .article-body .block p { font-size: 0.97rem; line-height: 1.65; }
  .article-body .block h1 { font-size: 1.5rem; }
  .article-body .block h2 { font-size: 1.3rem; }
  .article-body .block h3 { font-size: 1.15rem; }
  .article-body .blockquote { padding: 12px 16px; font-size: 1rem; }
  .article-body pre.code { padding: 14px 16px; font-size: 0.83rem; }
  .article-body .callout { padding: 14px 16px; }
  .article-body ul.block-list, .article-body ol.block-list { padding-left: 20px; }
  .article-hero { padding: 8px 0 10px; }
  .article-head { padding-top: 14px; }
  .article-head .crumbs { margin-bottom: 6px; }
  .article-hero h1 { font-size: 1.5rem; line-height: 1.22; }
  .article-meta-row { gap: 8px 14px; font-size: 0.8rem; margin-top: 12px; }
  .article-cover { max-height: 240px; margin: 16px auto; }
}