/* ── Shared Learn page hero ──────────────────────────────────── */
.learn-hero {
  padding: 120px 0 48px;
  border-bottom: 1px solid var(--border);
}
.learn-hero h1 {
  font-size: 40px;
  font-weight: 300;
  margin-bottom: 10px;
}
.learn-hero-sub {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 560px;
}
@media (max-width: 768px) {
  .learn-hero h1 { font-size: 30px; }
}

/* ── Learn index body ────────────────────────────────────────── */
.learn-body {
  padding: 48px 0 80px;
}
.learn-body .container {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.learn-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 16px;
}
.learn-rec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 680px) {
  .learn-rec-grid { grid-template-columns: 1fr; }
}
.learn-browse-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.learn-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.learn-pill {
  display: inline-flex;
  align-items: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.13s, color 0.13s, border-color 0.13s;
  font-family: var(--font-body);
}
.learn-pill:hover { border-color: var(--accent); color: var(--accent); }
.learn-pill--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.learn-search-wrap {
  position: relative;
  flex: 1;
  min-width: 160px;
  max-width: 260px;
}
.learn-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}
.learn-search {
  width: 100%;
  padding: 7px 12px 7px 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-family: var(--font-body);
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.13s;
}
.learn-search::placeholder { color: var(--muted); }
.learn-search:focus { border-color: var(--accent); }

/* ── Article grid + cards ───────────────────────────────────── */
.learn-article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
@media (max-width: 480px) {
  .learn-article-grid { grid-template-columns: 1fr; }
}
.learn-empty {
  font-size: 13px;
  color: var(--muted);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  display: none;
}
.learn-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}
.learn-card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}
.learn-card--featured {
  background: var(--surface2);
}
.learn-card--hidden {
  display: none;
}
.learn-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.learn-cat {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 4px;
  padding: 2px 7px;
}
.learn-cat--basics  { background: var(--neutral-bg); color: var(--neutral); }
.learn-cat--debt    { background: var(--bad-bg);     color: var(--bad); }
.learn-cat--saving  { background: var(--good-bg);    color: var(--good); }
.learn-card-time {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}
.learn-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}
.learn-card-summary {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  flex: 1;
}
.learn-card-hint {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-top: 4px;
}

/* ── Glossary ──────────────────────────────────────────────── */
.learn-glossary {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}
.learn-glossary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}
.learn-glossary-toggle {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  font-family: var(--font-body);
}
.learn-glossary-toggle:hover { opacity: 0.8; }
.learn-glossary-sub {
  font-size: 12px;
  color: var(--muted);
  margin: 6px 0 0;
}
.learn-glossary-grid {
  display: none;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.learn-glossary-grid--open { display: grid; }
@media (max-width: 480px) {
  .learn-glossary-grid { grid-template-columns: 1fr; }
}
.learn-glossary-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.learn-glossary-term {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.learn-glossary-def {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* ── Article detail page ───────────────────────────────────── */
.article-page {
  padding: 100px 0 80px;
}
.article-page .container {
  max-width: 760px;
}
.article-breadcrumbs {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 20px;
}
.article-breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.13s;
}
.article-breadcrumbs a:hover { color: var(--accent); }
.article-breadcrumbs span[aria-hidden="true"] {
  margin: 0 6px;
  opacity: 0.5;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.article-meta-sep {
  font-size: 11px;
  color: var(--muted);
  opacity: 0.6;
}
.article-meta-date {
  font-size: 12px;
  color: var(--muted);
}
.article-title {
  font-size: 36px;
  font-weight: 300;
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--text);
}
.article-summary {
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 36px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 28px;
}
.article-body p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  margin: 0 0 22px;
}
.article-takeaways {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 18px 22px;
  margin: 36px 0 24px;
}
.article-takeaways-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 12px;
}
.article-takeaways-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.article-takeaways-list li {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  padding-left: 20px;
  position: relative;
}
.article-takeaways-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ── Ad slot scaffolding ───────────────────────────────────── */
.ad-slot {
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 0;
}
.ad-slot:empty { display: none; }
.ad-slot--in-article {
  /* AdSense in-article responsive: replace inner with <ins class="adsbygoogle" ...> */
}
.ad-slot-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 4px;
  opacity: 0.7;
}

/* ── Related articles ──────────────────────────────────────── */
.article-related {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.article-related-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 16px;
}
.article-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  margin-top: 32px;
}
.article-back:hover { opacity: 0.8; }

@media (max-width: 768px) {
  .article-title { font-size: 28px; }
  .article-summary { font-size: 15px; }
  .article-body p { font-size: 15px; }
}