/* Hide left nav sidebar on desktop — nav is in the header tabs instead. */
@media screen and (min-width: 76.25em) {
  .md-sidebar--primary { display: none; }
  .md-content { margin-left: 0; }
}

/* GitHub-style pill badges tagging each source's origin (RSS vs Research). */
.src-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.6;
  padding: 0 0.4rem;
  margin-left: 0.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  vertical-align: middle;
  text-transform: uppercase;
  white-space: nowrap;
}
.src-rss {
  background: var(--md-default-fg-color--lightest);
  color: var(--md-default-fg-color--light);
  border-color: var(--md-default-fg-color--lighter);
}
.src-research {
  background: rgba(46, 160, 67, 0.15);
  color: #1a7f37;
  border-color: rgba(46, 160, 67, 0.4);
}
[data-md-color-scheme="slate"] .src-research {
  color: #3fb950;
}
.src-discovery {
  background: rgba(210, 130, 0, 0.12);
  color: #9a5800;
  border-color: rgba(210, 130, 0, 0.35);
}
[data-md-color-scheme="slate"] .src-discovery {
  color: #e3a135;
}

/* Star CTA in the footer copyright line (replaces the Material generator note). */
.md-copyright__highlight a {
  font-weight: 700;
  text-decoration: underline;
}

/* Importance score badge: numeric 1–10, colour-coded by tier. */
.imp {
  display: inline-block;
  font-size: 0.72em;
  font-weight: 700;
  line-height: 1;
  padding: 0.1em 0.35em;
  border-radius: 3px;
  margin-right: 0.4rem;
  vertical-align: 0.1em;
  color: #fff;
  background: var(--md-default-fg-color--lightest);
}
.imp-low  { background: #e5484d; }   /* 1–3 */
.imp-mid  { background: #f6ad3c; }   /* 4–6 */
.imp-high { background: #2ea043; }   /* 7–10 */

/* Word quiz + word-list pages. */
.wq-btn,
.wq-opt {
  cursor: pointer;
  font: inherit;
  border: 1px solid var(--md-default-fg-color--lighter);
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  border-radius: 6px;
  padding: 0.5rem 0.8rem;
}
.wq-progress { font-size: 0.72rem; color: var(--md-default-fg-color--light); text-transform: uppercase; letter-spacing: 0.05em; }
.wq-def { margin: 0.5rem 0 0.9rem; font-size: 1.05rem; }
.wq-options { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.wq-opt:hover:not(:disabled) { border-color: #f6ad3c; }
.wq-opt.correct { background: rgba(46, 160, 67, 0.18); border-color: #1a7f37; color: #1a7f37; }
.wq-opt.wrong { background: rgba(220, 60, 60, 0.15); border-color: #c0392b; color: #c0392b; }
.wq-feedback { margin-top: 0.9rem; }
.wq-ok { color: #1a7f37; font-weight: 700; }
.wq-no { color: #c0392b; font-weight: 700; }
.wq-ex { margin-top: 0.4rem; font-style: italic; color: var(--md-default-fg-color--light); }
.wq-btn { margin-top: 0.8rem; }
.wq-done { font-size: 1.2rem; text-align: center; padding: 1rem; }

.wl-cards { display: grid; gap: 0.8rem; }
.wl-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-left: 3px solid #f6ad3c;
  border-radius: 4px;
  padding: 0.6rem 0.9rem;
  background: var(--md-code-bg-color);
}
.wl-word { font-size: 1.15rem; font-weight: 700; }
.wl-def { margin-top: 0.25rem; }
.wl-ex { margin-top: 0.3rem; font-style: italic; color: var(--md-default-fg-color--light); }
.wl-src { display: inline-block; margin-top: 0.35rem; font-size: 0.7rem; }
.wl-pager { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 1.1rem; }
.wl-page { font-size: 0.8rem; color: var(--md-default-fg-color--light); }
.wq-btn:disabled { opacity: 0.45; cursor: default; }

/* "On this day" fact card on the home page (blue accent vs the amber WOTD). */
.md-typeset .fact {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-left: 3px solid #2b6cb0;
  border-radius: 4px;
  padding: 0.7rem 1rem;
  margin: 1.3rem 0;
  background: var(--md-code-bg-color);
}
.fact-label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
  color: var(--md-default-fg-color--light);
}
.fact-text { margin-top: 0.3rem; }
.fact-src { font-size: 0.78rem; white-space: nowrap; }
.md-typeset .fact.funfact { border-left-color: #2ea043; }   /* green accent */
.wl-date {
  font-size: 0.7rem;
  color: var(--md-default-fg-color--light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Compact teaser bar at the top of the home page linking down to cards. */
/* Collapsible daily panels (word, on-this-day, fact) */
.md-typeset .daily-panel {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  margin-bottom: 0.5rem;
  padding: 0;
  background: var(--md-code-bg-color);
}
.md-typeset .daily-panel > summary {
  cursor: pointer;
  list-style: none;
  padding: 0.5rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--md-default-fg-color--light);
  user-select: none;
}
.md-typeset .daily-panel > summary::-webkit-details-marker { display: none; }
.md-typeset .daily-panel > summary::before { content: "▸ "; font-size: 0.65rem; transition: transform 0.15s; display: inline-block; }
.md-typeset .daily-panel[open] > summary::before { transform: rotate(90deg); }
.md-typeset .daily-panel > summary:hover { color: var(--md-default-fg-color); }
.md-typeset .daily-panel .wotd,
.md-typeset .daily-panel .fact {
  border: none;
  border-radius: 0;
  margin: 0;
  border-top: 1px solid var(--md-default-fg-color--lightest);
}

/* Word of the day card on the home page. */
.md-typeset .wotd {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-left: 3px solid #f6ad3c;
  border-radius: 4px;
  padding: 0.7rem 1rem;
  margin: 0 0 1.3rem;
  background: var(--md-code-bg-color);
}
.wotd-label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
  color: var(--md-default-fg-color--light);
}
.wotd-word { font-size: 1.3rem; font-weight: 700; margin-top: 0.15rem; }
.wotd-pos {
  font-size: 0.8rem;
  font-weight: 400;
  font-style: italic;
  color: var(--md-default-fg-color--light);
  margin-left: 0.35rem;
}
.wotd-def { margin-top: 0.3rem; }
.wotd-ex {
  margin-top: 0.35rem;
  font-style: italic;
  color: var(--md-default-fg-color--light);
}
.wotd-src { display: inline-block; margin-top: 0.5rem; font-size: 0.7rem; }

/* Slicker content bullets: an amber ▸ marker instead of the default grey disc. */
.md-typeset ul:not(.takeaways) > li::marker {
  content: "▸";
  color: #f6ad3c;
}
/* Rows led by an importance meter (TL;DR, Top stories) drop the bullet — the
   meter is the visual lead. Covers both tight lists (span direct child of li)
   and loose lists (span wrapped in a <p> by CommonMark). */
.md-typeset ul > li:has(> .imp:first-child)::marker,
.md-typeset ul > li:has(> p > .imp:first-child)::marker {
  content: "";
}

/* "Key facts" takeaways card (replaces plain bullets). */
.md-typeset .takeaways {
  list-style: none;
  margin: 0.5rem 0 0.9rem;
  padding: 0.55rem 0.9rem;
  border-left: 3px solid #f6ad3c;
  background: var(--md-code-bg-color);
  border-radius: 0 4px 4px 0;
}
.md-typeset .takeaways li {
  position: relative;
  padding-left: 1.15rem;
  margin: 0.28rem 0;
  font-size: 0.8rem;
  line-height: 1.55;
}
.md-typeset .takeaways li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: #f6ad3c;
  font-weight: 700;
}

/* Daily/Weekly/Monthly period-view widget (home, feed, and topic pages). */
.pv-toolbar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  margin: 0.6rem 0 1.1rem;
}
.pv-periods { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.pv-btn {
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
  border: 1px solid var(--md-default-fg-color--lighter);
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
}
.pv-btn:hover:not(:disabled) { border-color: #f6ad3c; }
.pv-btn.pv-active { background: #f6ad3c; border-color: #f6ad3c; color: #1a1a1a; }
.pv-btn:disabled { opacity: 0.35; cursor: default; }

/* Feed / Subfeed / Sort share one pill-shaped control bar, compartmentalized
   by thin dividers, so they read as one cohesive group instead of three
   disconnected boxes. */
.pv-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 999px;
  background: var(--md-code-bg-color);
  overflow: hidden;
}
.pv-filter {
  display: flex;
  align-items: center;
  border-right: 1px solid var(--md-default-fg-color--lightest);
}
.pv-filter:last-child { border-right: none; }
.pv-filter label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 0.7rem;
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md-default-fg-color--light);
  white-space: nowrap;
}
.pv-filter select {
  font: inherit;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 500;
  font-size: 0.78rem;
  border: none;
  background: transparent;
  color: var(--md-default-fg-color);
  padding: 0.35rem 0;
  cursor: pointer;
  max-width: 13rem;
}
.pv-filter select:focus-visible {
  outline: 2px solid #f6ad3c;
  outline-offset: 2px;
  border-radius: 3px;
}
.pv-filter:hover { background: var(--md-default-fg-color--lightest); }

/* On narrow screens the pill shape breaks when filters wrap — switch to a
   clean stacked column with each filter as its own bordered row. */
@media (max-width: 600px) {
  .pv-filters {
    flex-direction: column;
    border-radius: 0.5rem;
    overflow: visible;
  }
  .pv-filter {
    border-right: none;
    border-bottom: 1px solid var(--md-default-fg-color--lightest);
    width: 100%;
  }
  .pv-filter:last-child { border-bottom: none; }
  .pv-filter label { width: 100%; padding-right: 0; }
  .pv-filter select { max-width: none; flex: 1; }
}

.pv-clear {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--md-default-fg-color--lighter);
  border-radius: 999px;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color--light);
  padding: 0.25rem 0.75rem;
  font-size: 0.78rem;
}
.pv-clear:hover { border-color: #e5484d; color: #e5484d; }
/* Card grid replacing the old flat list */
.pv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 0;
  overflow: visible;
}
@media (max-width: 720px) {
  .pv-grid { grid-template-columns: 1fr; }
}
.pv-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 6px;
  padding: 0.75rem 2rem 0.75rem 0.9rem; /* right padding makes room for share button */
  background: var(--md-code-bg-color);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  position: relative;
}
/* Deck stacking — each depth level adds a card shadow behind */
.pv-card--update[data-depth="1"] { box-shadow: 4px 4px 0 var(--md-default-fg-color--lightest); }
.pv-card--update[data-depth="2"] { box-shadow: 4px 4px 0 var(--md-default-fg-color--lightest), 7px 7px 0 var(--md-default-fg-color--lightest); }
.pv-card--update:not([data-depth="1"]):not([data-depth="2"]) {
  box-shadow: 4px 4px 0 var(--md-default-fg-color--lightest),
              7px 7px 0 var(--md-default-fg-color--lightest),
              10px 10px 0 var(--md-default-fg-color--lightest);
}
/* Update badge */
.pv-update-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #f6ad3c;
  border: 1px solid #f6ad3c;
  border-radius: 999px;
  padding: 0.05rem 0.4rem;
  margin-right: 0.3rem;
  vertical-align: middle;
}
/* Ranking note */
.pv-rank-note {
  font-size: 0.72rem;
  color: var(--md-default-fg-color--light);
  margin: -0.4rem 0 0.7rem;
  font-style: italic;
}
.pv-title { font-weight: 600; }
.pv-summary {
  font-size: 0.9rem;
  color: var(--md-default-fg-color);
  line-height: 1.5;
}
.pv-date {
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--md-default-fg-color--light);
}
.pv-empty { color: var(--md-default-fg-color--light); }
.pv-card-footer {
  margin-top: auto;
  padding-top: 0.4rem;
  font-size: 0.72rem;
  color: var(--md-default-fg-color--light);
  font-variant-numeric: tabular-nums;
  border-top: 1px solid var(--md-default-fg-color--lightest);
}
.pv-footer-badges {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}
.pv-received { font-size: 0.72rem; color: var(--md-default-fg-color--light); }
.pv-related {
  font-size: 0.78rem;
  color: var(--md-default-fg-color--light);
}

.pv-feed-badge,
.pv-subfeed-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.6;
  padding: 0 0.4rem;
  border-radius: 999px;
  vertical-align: middle;
  white-space: nowrap;
  cursor: pointer;
  margin: 0 0.15rem 0.15rem 0;
}
.pv-feed-badge {
  background: rgba(220, 60, 60, 0.12);
  color: #c0392b;
  border: 1px solid rgba(220, 60, 60, 0.35);
  text-transform: uppercase;
}
.pv-feed-badge:hover { background: rgba(220, 60, 60, 0.22); }
[data-md-color-scheme="slate"] .pv-feed-badge { color: #ff6b6b; }
.pv-subfeed-badge {
  background: rgba(43, 108, 176, 0.12);
  color: #2b6cb0;
  border: 1px solid rgba(43, 108, 176, 0.35);
  text-transform: uppercase;
}
.pv-subfeed-badge:hover { background: rgba(43, 108, 176, 0.22); }
[data-md-color-scheme="slate"] .pv-subfeed-badge { color: #6ab0f3; }

.pv-pager {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 1rem;
  justify-content: center;
}
.pv-page {
  font: inherit;
  cursor: pointer;
  min-width: 1.9rem;
  border-radius: 4px;
  border: 1px solid var(--md-default-fg-color--lighter);
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  padding: 0.2rem 0.5rem;
  font-size: 0.8rem;
}
.pv-page:hover { border-color: #f6ad3c; }
.pv-page.pv-active { background: #f6ad3c; border-color: #f6ad3c; color: #1a1a1a; }

/* Share button — pinned to upper-right corner of card */
.share-link {
  position: absolute;
  top: 0.45rem;
  right: 0.55rem;
  border: 0;
  background: none;
  cursor: pointer;
  font-size: 0.7rem;
  padding: 0.15rem 0.2rem;
  color: var(--md-default-fg-color--light);
  opacity: 0.35;
  transition: opacity 0.15s ease;
  line-height: 1;
  z-index: 1;
}
.pv-card:hover > .share-link,
.share-link:hover,
.share-link:focus,
.share-link.copied { opacity: 1; }
.share-link.copied { color: #1a7f37; }
[data-md-color-scheme="slate"] .share-link.copied { color: #3fb950; }

/* Deep-link highlight pulse */
@keyframes pv-highlight {
  0%   { box-shadow: 0 0 0 0 rgba(246, 173, 60, 0.55); }
  60%  { box-shadow: 0 0 0 8px rgba(246, 173, 60, 0); }
  100% { box-shadow: 0 0 0 0 rgba(246, 173, 60, 0); }
}
.pv-card--highlight {
  border-color: #f6ad3c;
  animation: pv-highlight 1.1s ease-out 2;
}

/* ── Podcast player ─────────────────────────────────────────── */
.podcast-player {
  margin: 0.75rem 0 0.4rem;
}
.podcast-player audio {
  width: 100%;
  max-width: 480px;
  display: block;
  margin-bottom: 0.4rem;
}
.podcast-controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.3rem;
}
.skip-btn {
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  border: 1px solid var(--md-default-fg-color--lighter);
  border-radius: 999px;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  padding: 0.2rem 0.65rem;
}
.skip-btn:hover { border-color: #f6ad3c; }
.podcast-archive {
  font-size: 0.78rem;
  color: var(--md-default-fg-color--light);
  margin-top: 0.3rem;
}

/* ── API warning banner ─────────────────────────────────────── */
.api-warning-bar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: #7c2d12;
  color: #fef3c7;
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.api-warning-dismiss {
  margin-left: auto;
  background: none;
  border: 1px solid #fef3c7;
  border-radius: 999px;
  color: #fef3c7;
  cursor: pointer;
  padding: 0.1rem 0.45rem;
  font-size: 0.75rem;
}

/* ── Larger site logo ───────────────────────────────────────── */
.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 2.5rem;
  width: auto;
}

/* ── Crawler-only story list (hidden from humans, indexed by search engines) ── */
.crawler-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Always show site name in header — prevent page title from replacing it on scroll. */
.md-header__title .md-header__topic:nth-child(2) { display: none; }
.md-header__title .md-header__topic:first-child { opacity: 1 !important; transform: none !important; }

/* Sources in card footer — always show name(s) */
.pv-src { font-size: 0.72rem; color: var(--md-default-fg-color--light); }
.pv-src-toggle-btn {
  font: inherit;
  font-size: 0.68rem;
  background: none;
  border: none;
  color: var(--md-default-fg-color--light);
  cursor: pointer;
  padding: 0;
  text-decoration: underline dotted;
}
.pv-src-rest { font-size: 0.72rem; color: var(--md-default-fg-color--light); }

/* Key Takeaways section */
.pv-takeaways-block { margin-top: 0.4rem; }
.pv-section-label {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--md-default-fg-color--light);
  margin-bottom: 0.2rem;
}

/* Story history timeline — clickable, at card bottom */
.pv-timeline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.1rem;
  margin-top: 0.6rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--md-default-fg-color--lightest);
  font-size: 0.72rem;
  color: var(--md-default-fg-color--light);
}
.pv-tl-node { white-space: nowrap; cursor: pointer; user-select: none; }
.pv-tl-node:hover { color: #f6ad3c; }
.pv-tl-current { color: #f6ad3c; font-weight: 700; }
.pv-tl-sep { color: var(--md-default-fg-color--lightest); margin: 0 0.1rem; }