/* ===== HUB PAGE (/browse-flashcards) ===== */
.browse-hub-section { padding: 56px 5vw 80px; background: var(--bg); }

.browse-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.browse-hub-card {
  background: #fff;
  border-radius: 18px;
  padding: 24px 26px;
  box-shadow: 0 2px 12px rgba(0,80,140,0.07);
}

.browse-hub-region {
  font-family: 'Baloo 2', cursive;
  font-weight: 800;
  font-size: 15px;
  color: var(--navy);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(0,151,167,0.15);
}

.browse-hub-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }

.browse-hub-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
  padding: 6px 8px;
  border-radius: 8px;
  transition: background 0.12s, color 0.12s;
  line-height: 1.4;
}
.browse-hub-link:hover { background: rgba(0,151,167,0.08); color: var(--teal); }
.browse-hub-arrow { color: var(--teal); font-size: 15px; font-weight: 800; flex-shrink: 0; line-height: 1; }
.browse-hub-count { margin-left: auto; font-size: 11px; font-weight: 700; color: var(--muted); flex-shrink: 0; }

.browse-hub-note { margin-top: 32px; font-size: 13.5px; font-weight: 600; color: var(--muted); text-align: center; }
.browse-hub-note a { color: var(--teal); font-weight: 700; text-decoration: none; }
.browse-hub-note a:hover { text-decoration: underline; }

@media (max-width: 600px) {
  .browse-hub-grid { grid-template-columns: 1fr; }
}

/* ===== CHAPTER PAGE (/browse-flashcards/:categoryId/:slug) ===== */
.browse-chapter-section { padding: 128px 5vw 80px; background: var(--bg); }

.browse-chapter-back { margin-bottom: 18px; }
.browse-chapter-back-link { font-size: 13.5px; font-weight: 700; color: var(--muted); text-decoration: none; }
.browse-chapter-back-link:hover { color: var(--teal); }

.browse-chapter-header { max-width: 760px; margin-bottom: 28px; }
.browse-chapter-eyebrow { font-size: 11px; font-weight: 900; letter-spacing: 2.5px; text-transform: uppercase; color: var(--teal); margin-bottom: 10px; }
.browse-chapter-title { font-family: 'Baloo 2', cursive; font-weight: 800; font-size: clamp(26px, 4vw, 38px); color: var(--navy); line-height: 1.2; margin-bottom: 14px; }
.browse-chapter-intro { font-size: 14.5px; font-weight: 600; color: var(--muted); line-height: 1.7; }

.browse-chapter-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.browse-chapter-print-btn,
.browse-chapter-action-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Nunito', sans-serif;
  font-size: 13.5px;
  font-weight: 800;
  padding: 11px 20px;
  border-radius: 50px;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid rgba(0,151,167,0.2);
  background: #fff;
  color: var(--navy);
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.browse-chapter-print-btn:hover,
.browse-chapter-action-link:hover { background: rgba(0,151,167,0.08); transform: translateY(-1px); }

.browse-chapter-partial-note { font-size: 12.5px; font-weight: 700; color: var(--muted); margin-bottom: 8px; }

.browse-chapter-fold-hint { font-size: 12.5px; font-weight: 600; color: var(--muted); margin: 0 0 16px; padding: 10px 16px; background: rgba(0,151,167,0.06); border-radius: 10px; }

/* Two-column Question | Answer table — a heavier centre border stands in for the fold line
   students crease the printed page along (see browse-chapter-fold-hint), matching the classic
   BYJU'S-style printable flashcard sheet layout: fold to hide the Answer column while recalling. */
.browse-chapter-qa-table-wrap { overflow-x: auto; margin-top: 24px; }
.browse-chapter-qa-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,80,140,0.06);
}
.browse-chapter-qa-table th {
  background: rgba(0,151,167,0.08);
  color: var(--navy);
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 12px 20px;
  text-align: left;
}
.browse-chapter-qa-table td {
  padding: 14px 20px;
  font-size: 13.5px;
  line-height: 1.55;
  vertical-align: top;
  border-top: 1px dashed rgba(0,0,0,0.14);
}
.browse-chapter-qa-table tbody tr:first-child td { border-top: none; }
.browse-chapter-qa-th-q, .browse-chapter-qa-q { width: 50%; border-right: 2px solid var(--teal); }
.browse-chapter-qa-q { font-weight: 700; color: var(--navy); }
.browse-chapter-qa-a { font-weight: 600; color: var(--muted); width: 50%; }

.browse-chapter-footer-actions { margin-top: 32px; text-align: center; }

.browse-chapter-cta { max-width: 760px; margin: 48px auto 0; background: #fff; border-radius: 18px; padding: 28px 30px; box-shadow: 0 2px 12px rgba(0,80,140,0.07); }
.browse-chapter-cta-title { font-family: 'Baloo 2', cursive; font-weight: 800; font-size: 19px; color: var(--navy); margin-bottom: 12px; }
.browse-chapter-cta-text { font-size: 13.5px; font-weight: 600; color: var(--muted); line-height: 1.7; margin-bottom: 12px; }
.browse-chapter-cta-text:last-child { margin-bottom: 0; }
.browse-chapter-cta-text a { color: var(--teal); font-weight: 700; text-decoration: none; }
.browse-chapter-cta-text a:hover { text-decoration: underline; }

@media (max-width: 600px) {
  .browse-chapter-qa-table th, .browse-chapter-qa-table td { padding: 10px 14px; }
}

/* ===== PRINT ===== */
@media print {
  nav, footer, .browse-chapter-back, .browse-chapter-actions, .browse-chapter-footer-actions, .browse-chapter-cta { display: none !important; }
  body { background: #fff; }
  .browse-chapter-section { padding: 0; }
  .browse-chapter-header { max-width: none; }
  .browse-chapter-intro { display: none; }
  .browse-chapter-qa-table-wrap { overflow-x: visible; }
  .browse-chapter-qa-table { box-shadow: none; border: 1px solid #ddd; }
  .browse-chapter-qa-table tr { break-inside: avoid; page-break-inside: avoid; }
  .browse-chapter-qa-th-q, .browse-chapter-qa-q { border-right: 2px solid #000; }
}