/* ============================================================
   Địa Lý Việt Nam — Design System
   Prefix: .dlvn-wrap
   ============================================================ */

.dlvn-wrap {
  --dlvn-primary:        #065f46;
  --dlvn-primary-light:  #059669;
  --dlvn-primary-dark:   #064e3b;
  --dlvn-accent:         #0284c7;
  --dlvn-gold:           #b45309;
  --dlvn-gold-light:     #f59e0b;
  --dlvn-text:           #1c1917;
  --dlvn-text-secondary: #374151;
  --dlvn-muted:          #6b7280;
  --dlvn-border:         #c6d3c9;
  --dlvn-border-accent:  #6ee7b7;
  --dlvn-bg-warm:        #ecfdf5;
  --dlvn-bg-surface:     #f8fafb;
  --dlvn-shadow-sm:      0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --dlvn-shadow:         0 4px 16px rgba(0,0,0,0.07), 0 1px 4px rgba(0,0,0,0.04);
  --dlvn-shadow-lg:      0 12px 40px rgba(0,0,0,0.09), 0 4px 12px rgba(0,0,0,0.05);
  --dlvn-radius:         16px;
  --dlvn-radius-lg:      24px;

  --dlvn-vt1: #059669;
  --dlvn-vt2: #0284c7;
  --dlvn-vt3: #b45309;
  --dlvn-vt4: #7c3aed;
  --dlvn-vt5: #0d9488;
  --dlvn-vt6: #dc2626;
  --dlvn-vt7: #c2410c;

  font-size: 1rem;
  line-height: 1.7;
  color: var(--dlvn-text);
}

.dlvn-wrap .dlvn-event-card,
.dlvn-wrap .dlvn-faq .accordion-item {
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

/* Hero */
.dlvn-wrap .dlvn-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  margin-bottom: 48px;
}
@media (max-width: 900px) {
  .dlvn-wrap .dlvn-hero-grid { grid-template-columns: 1fr; }
}
.dlvn-wrap .dlvn-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 999px;
  background: var(--dlvn-bg-warm); color: var(--dlvn-primary);
  font-size: 0.92rem; font-weight: 700;
  border: 1px solid var(--dlvn-border-accent);
  margin-bottom: 18px;
}
.dlvn-wrap .dlvn-hero-title {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.15; letter-spacing: -0.025em;
  margin: 0 0 16px; color: var(--dlvn-primary-dark);
  font-weight: 800;
}
.dlvn-wrap .dlvn-hero-desc {
  font-size: 1.08rem; color: var(--dlvn-text-secondary);
  line-height: 1.75; margin-bottom: 16px;
}
.dlvn-wrap .dlvn-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

.dlvn-wrap .dlvn-hero-panel {
  background: #fff; border: 1px solid var(--dlvn-border);
  border-radius: var(--dlvn-radius-lg); box-shadow: var(--dlvn-shadow);
  overflow: hidden;
}
.dlvn-wrap .dlvn-panel-head {
  background: linear-gradient(135deg, var(--dlvn-primary), var(--dlvn-primary-light));
  padding: 16px 20px; display: flex; justify-content: space-between; align-items: center;
}
.dlvn-wrap .dlvn-panel-title { color: #fff; font-weight: 700; font-size: 1.05rem; }
.dlvn-wrap .dlvn-status {
  background: rgba(255,255,255,0.18); color: #fff;
  padding: 4px 12px; border-radius: 999px; font-size: 0.82rem; font-weight: 600;
}
.dlvn-wrap .dlvn-phase-list { padding: 12px 16px; }
.dlvn-wrap .dlvn-phase-row {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 10px 0; border-bottom: 1px solid #f3f4f6;
}
.dlvn-wrap .dlvn-phase-row:last-child { border-bottom: none; }
.dlvn-wrap .dlvn-phase-label {
  min-width: 56px; font-weight: 800; font-size: 0.85rem;
  text-align: center; line-height: 1.2;
}
.dlvn-wrap .dlvn-phase-row h4 { margin: 0 0 2px; font-size: 0.97rem; font-weight: 700; color: var(--dlvn-text); }
.dlvn-wrap .dlvn-phase-row small { color: var(--dlvn-muted); font-size: 0.82rem; }

/* Buttons */
.dlvn-wrap .dlvn-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: 10px;
  font-weight: 700; font-size: 0.95rem;
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}
.dlvn-wrap .dlvn-btn-primary {
  background: var(--dlvn-primary); color: #fff;
  box-shadow: 0 2px 8px rgba(6,95,70,0.18);
}
.dlvn-wrap .dlvn-btn-primary:hover { background: var(--dlvn-primary-light); transform: translateY(-1px); }
.dlvn-wrap .dlvn-btn-secondary {
  background: #fff; color: var(--dlvn-primary);
  border-color: var(--dlvn-primary);
}
.dlvn-wrap .dlvn-btn-secondary:hover { background: var(--dlvn-bg-warm); }
.dlvn-wrap .dlvn-btn-light { background: #fff; color: var(--dlvn-primary); font-weight: 700; }
.dlvn-wrap .dlvn-btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.dlvn-wrap .dlvn-btn-ghost:hover { background: rgba(255,255,255,0.12); }

/* Stats */
.dlvn-wrap .dlvn-stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 40px;
}
@media (max-width: 700px) {
  .dlvn-wrap .dlvn-stats-row { grid-template-columns: repeat(2, 1fr); }
}
.dlvn-wrap .dlvn-stat-card {
  background: #fff; border: 1px solid var(--dlvn-border);
  border-radius: var(--dlvn-radius); padding: 20px 16px; text-align: center;
  box-shadow: var(--dlvn-shadow-sm);
}
.dlvn-wrap .dlvn-stat-number {
  font-size: 2rem; font-weight: 900; color: var(--dlvn-primary);
  line-height: 1; margin-bottom: 6px;
}
.dlvn-wrap .dlvn-stat-label { font-size: 0.88rem; color: var(--dlvn-muted); font-weight: 600; }

/* Memory box */
.dlvn-wrap .dlvn-memory-box {
  display: flex; gap: 16px; padding: 20px 24px;
  background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
  border: 1px solid var(--dlvn-border-accent);
  border-radius: var(--dlvn-radius); margin-bottom: 40px;
}
.dlvn-wrap .dlvn-memory-icon { font-size: 2rem; line-height: 1; }
.dlvn-wrap .dlvn-memory-label { font-weight: 700; color: var(--dlvn-primary); margin-bottom: 6px; }
.dlvn-wrap .dlvn-memory-seq { font-size: 1.15rem; font-weight: 800; color: var(--dlvn-primary-dark); margin-bottom: 4px; }
.dlvn-wrap .dlvn-memory-sub { font-size: 0.92rem; color: var(--dlvn-text-secondary); margin-bottom: 8px; }
.dlvn-wrap .dlvn-memory-heroes { display: flex; flex-wrap: wrap; gap: 8px; }
.dlvn-wrap .dlvn-memory-heroes span {
  background: #fff; padding: 4px 12px; border-radius: 8px;
  font-size: 0.82rem; font-weight: 600; color: var(--dlvn-primary);
  border: 1px solid var(--dlvn-border-accent);
}

/* Sections */
.dlvn-wrap .dlvn-section { margin-bottom: 40px; }
.dlvn-wrap .dlvn-section-header { margin-bottom: 28px; }
.dlvn-wrap .dlvn-section-header h2 {
  font-size: 1.6rem; font-weight: 800; color: var(--dlvn-primary-dark);
  margin: 0 0 8px; letter-spacing: -0.02em;
}
.dlvn-wrap .dlvn-section-header p { color: var(--dlvn-text-secondary); font-size: 1rem; margin: 0; }

/* Topic blocks */
.dlvn-wrap .dlvn-topic-block { margin-bottom: 36px; }
.dlvn-wrap .dlvn-topic-block-title {
  font-size: 1.15rem; font-weight: 800; padding: 14px 20px;
  border-radius: var(--dlvn-radius) var(--dlvn-radius) 0 0;
  color: #fff; margin-bottom: 0;
}
.dlvn-wrap .dlvn-topic-block-title.vt1 { background: linear-gradient(135deg, var(--dlvn-vt1), #34d399); }
.dlvn-wrap .dlvn-topic-block-title.vt2 { background: linear-gradient(135deg, var(--dlvn-vt2), #38bdf8); }
.dlvn-wrap .dlvn-topic-block-title.vt3 { background: linear-gradient(135deg, var(--dlvn-vt3), #fbbf24); }
.dlvn-wrap .dlvn-topic-block-title.vt4 { background: linear-gradient(135deg, var(--dlvn-vt4), #a78bfa); }
.dlvn-wrap .dlvn-topic-block-title.vt5 { background: linear-gradient(135deg, var(--dlvn-vt5), #5eead4); }
.dlvn-wrap .dlvn-topic-block-title.vt6 { background: linear-gradient(135deg, var(--dlvn-vt6), #f87171); }
.dlvn-wrap .dlvn-topic-block-title.vt7 { background: linear-gradient(135deg, var(--dlvn-vt7), #fb923c); }

/* Event cards */
.dlvn-wrap .dlvn-event-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px; padding: 20px;
  background: var(--dlvn-bg-surface);
  border: 1px solid var(--dlvn-border);
  border-top: none;
  border-radius: 0 0 var(--dlvn-radius) var(--dlvn-radius);
}
.dlvn-wrap .dlvn-event-card {
  background: #fff; border: 1px solid var(--dlvn-border);
  border-radius: 12px; padding: 20px;
  box-shadow: var(--dlvn-shadow-sm);
  border-top: 3px solid var(--dlvn-primary);
}
.dlvn-wrap .dlvn-event-card.vt1 { border-top-color: var(--dlvn-vt1); }
.dlvn-wrap .dlvn-event-card.vt2 { border-top-color: var(--dlvn-vt2); }
.dlvn-wrap .dlvn-event-card.vt3 { border-top-color: var(--dlvn-vt3); }
.dlvn-wrap .dlvn-event-card.vt4 { border-top-color: var(--dlvn-vt4); }
.dlvn-wrap .dlvn-event-card.vt5 { border-top-color: var(--dlvn-vt5); }
.dlvn-wrap .dlvn-event-card.vt6 { border-top-color: var(--dlvn-vt6); }
.dlvn-wrap .dlvn-event-card.vt7 { border-top-color: var(--dlvn-vt7); }
.dlvn-wrap .dlvn-event-card:hover { transform: translateY(-3px); box-shadow: var(--dlvn-shadow); }
.dlvn-wrap .dlvn-event-card-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 12px; margin-bottom: 10px;
}
.dlvn-wrap .dlvn-event-card-top h4 { margin: 0; font-size: 1.05rem; font-weight: 700; color: var(--dlvn-text); flex: 1; }
.dlvn-wrap .dlvn-event-card p { color: var(--dlvn-text-secondary); font-size: 0.95rem; margin-bottom: 10px; }

/* Tags */
.dlvn-wrap .dlvn-tag {
  display: inline-block; padding: 3px 10px;
  border-radius: 6px; font-size: 0.78rem; font-weight: 700;
  margin-bottom: 10px;
}
.dlvn-wrap .dlvn-tag-dia-hinh { background: #dcfce7; color: #166534; }
.dlvn-wrap .dlvn-tag-khi-hau { background: #dbeafe; color: #1e40af; }
.dlvn-wrap .dlvn-tag-song-ngoi { background: #e0f2fe; color: #0369a1; }
.dlvn-wrap .dlvn-tag-dan-cu { background: #fef3c7; color: #92400e; }
.dlvn-wrap .dlvn-tag-kinh-te { background: #fce7f3; color: #9d174d; }
.dlvn-wrap .dlvn-tag-bien-dao { background: #ccfbf1; color: #0f766e; }
.dlvn-wrap .dlvn-tag-vung-mien { background: #ffedd5; color: #9a3412; }

/* Fun fact box */
.dlvn-wrap .dlvn-fun-fact {
  background: #fffbeb; border: 1px solid #fde68a; border-radius: 10px;
  padding: 12px 16px; margin-top: 10px;
}
.dlvn-wrap .dlvn-fun-fact .dlvn-fun-label {
  font-weight: 700; color: var(--dlvn-gold); font-size: 0.88rem; margin-bottom: 2px;
}
.dlvn-wrap .dlvn-fun-fact p { margin: 0; font-size: 0.9rem; color: var(--dlvn-text-secondary); }

/* Tables */
.dlvn-wrap .dlvn-table-wrap { overflow-x: auto; margin-bottom: 20px; }
.dlvn-wrap .dlvn-table-wrap table {
  width: 100%; border-collapse: collapse; font-size: 0.92rem;
}
.dlvn-wrap .dlvn-table-wrap th {
  background: var(--dlvn-primary); color: #fff;
  padding: 10px 14px; text-align: left; font-weight: 700; font-size: 0.88rem;
  white-space: nowrap;
}
.dlvn-wrap .dlvn-table-wrap td {
  padding: 10px 14px; border-bottom: 1px solid #e5e7eb;
  color: var(--dlvn-text-secondary);
}
.dlvn-wrap .dlvn-table-wrap tr:hover td { background: var(--dlvn-bg-warm); }
.dlvn-wrap .dlvn-table-wrap .year-col {
  white-space: nowrap; font-weight: 700; color: var(--dlvn-primary);
}

/* FAQ */
.dlvn-wrap .dlvn-faq .accordion-item {
  border: 1px solid var(--dlvn-border); border-radius: 12px !important;
  margin-bottom: 10px; overflow: hidden;
}
.dlvn-wrap .dlvn-faq .accordion-button {
  font-weight: 700; font-size: 0.97rem; color: var(--dlvn-text);
  background: #fff; padding: 16px 20px;
}
.dlvn-wrap .dlvn-faq .accordion-button:not(.collapsed) {
  background: var(--dlvn-bg-warm); color: var(--dlvn-primary);
}
.dlvn-wrap .dlvn-faq .accordion-body {
  font-size: 0.95rem; color: var(--dlvn-text-secondary); padding: 16px 20px;
}

/* ---- Grade badges ---- */
.dlvn-wrap .dlvn-grade-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 6px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  vertical-align: middle;
  margin-left: 8px;
  line-height: 1.5;
}
.dlvn-wrap .dlvn-grade-l4 {
  background: #dbeafe;
  color: #1d4ed8;
  border: 1px solid #93c5fd;
}
.dlvn-wrap .dlvn-grade-l5 {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fcd34d;
}
.dlvn-wrap .dlvn-phase-row .dlvn-grade-badge {
  padding: 1px 7px;
  font-size: 0.62rem;
  margin-left: 6px;
}
.dlvn-wrap .dlvn-tag-grade {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 9px;
  border-radius: 6px;
  letter-spacing: 0.04em;
}
.dlvn-wrap .dlvn-tag-grade-l4 {
  background: #dbeafe;
  color: #1d4ed8;
  border: 1px solid #93c5fd;
}
.dlvn-wrap .dlvn-tag-grade-l5 {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fcd34d;
}

/* ---- Hero quick ref ---- */
.dlvn-wrap .dlvn-hero-quick-ref {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--dlvn-border);
}
.dlvn-wrap .dlvn-hero-quick-ref-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--dlvn-primary-dark);
  letter-spacing: 0.02em;
}
.dlvn-wrap .dlvn-hero-quick-ref-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.dlvn-wrap .dlvn-hero-quick-ref-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--dlvn-muted);
  white-space: nowrap;
}
.dlvn-wrap .dlvn-hero-quick-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.18s, color 0.18s, box-shadow 0.18s, transform 0.15s;
}
.dlvn-wrap .dlvn-hero-quick-chip i { font-size: 0.92rem; }
.dlvn-wrap .dlvn-hero-quick-chip--yt {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}
.dlvn-wrap .dlvn-hero-quick-chip--yt:hover {
  background: #dc2626;
  color: #fff;
  border-color: #dc2626;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.25);
  transform: translateY(-1px);
}

/* ============================================================
   Reference / Tài liệu tham khảo
   ============================================================ */
.dlvn-wrap .dlvn-ref-group {
  background: #fff;
  border: 1px solid var(--dlvn-border);
  border-radius: var(--dlvn-radius);
  padding: 0;
  overflow: hidden;
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}
.dlvn-wrap .dlvn-ref-group:hover {
  box-shadow: var(--dlvn-shadow-lg);
  transform: translateY(-2px);
}
.dlvn-wrap .dlvn-ref-group--video .dlvn-ref-group-header {
  background: linear-gradient(135deg, #991b1b 0%, #dc2626 100%);
  color: #fff;
  border-bottom-color: transparent;
}
.dlvn-wrap .dlvn-ref-group--video .dlvn-ref-group-header h3 { color: #fff; }
.dlvn-wrap .dlvn-ref-group--video .dlvn-ref-group-header .dlvn-ref-badge { background: rgba(255,255,255,0.2); color: #fff; }
.dlvn-wrap .dlvn-ref-group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 22px;
  margin: 0;
  border-bottom: 2px solid var(--dlvn-border);
}
.dlvn-wrap .dlvn-ref-icon {
  font-size: 1.5rem;
  line-height: 1;
}
.dlvn-wrap .dlvn-ref-group-header h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dlvn-text);
  flex: 1;
}
.dlvn-wrap .dlvn-ref-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(0,0,0,0.06);
  color: var(--dlvn-muted);
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.dlvn-wrap .dlvn-ref-list {
  list-style: none;
  margin: 0;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.dlvn-wrap .dlvn-ref-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: #fafafa;
  border: 1.5px solid #e5e7eb;
  border-radius: 12px;
  text-decoration: none;
  color: var(--dlvn-text);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.18s, background 0.2s;
}
.dlvn-wrap .dlvn-ref-link-video:hover {
  border-color: #dc2626;
  box-shadow: 0 4px 16px rgba(220, 38, 38, 0.12);
  background: #fef2f2;
  transform: translateY(-2px);
}
.dlvn-wrap .dlvn-ref-file-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.dlvn-wrap .dlvn-ref-yt {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #dc2626;
  border: 1.5px solid #ef4444;
  font-size: 1.4rem;
  box-shadow: 0 2px 6px rgba(220, 38, 38, 0.15);
}
.dlvn-wrap .dlvn-ref-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.dlvn-wrap .dlvn-ref-info strong {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--dlvn-text);
  line-height: 1.35;
}
.dlvn-wrap .dlvn-ref-info small {
  font-size: 0.78rem;
  color: var(--dlvn-muted);
  line-height: 1.4;
}
.dlvn-wrap .dlvn-ref-action {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #fef2f2;
  border: 1px solid #fca5a5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #dc2626;
  font-size: 1.15rem;
  transition: background 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.dlvn-wrap .dlvn-ref-link-video:hover .dlvn-ref-action {
  background: #dc2626;
  color: #fff;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.3);
  transform: scale(1.08);
}

/* CTA */
.dlvn-wrap .dlvn-cta-box {
  background: linear-gradient(135deg, var(--dlvn-primary), var(--dlvn-primary-light));
  border-radius: var(--dlvn-radius-lg); padding: 40px 36px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; margin-top: 40px; flex-wrap: wrap;
}
.dlvn-wrap .dlvn-cta-box h2 { font-size: 1.4rem; margin: 0 0 8px; }
.dlvn-wrap .dlvn-cta-box p { color: rgba(255,255,255,0.85); margin: 0; font-size: 1rem; }
.dlvn-wrap .dlvn-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Sub-section title */
.dlvn-wrap .dlvn-sub-section-title {
  font-size: 1.1rem; font-weight: 800; color: var(--dlvn-primary-dark);
  margin-bottom: 16px;
}

/* Two columns */
.dlvn-wrap .dlvn-two-cols {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
@media (max-width: 800px) {
  .dlvn-wrap .dlvn-two-cols { grid-template-columns: 1fr; }
}

/* Fact box / Warning box */
.dlvn-wrap .dlvn-fact-box {
  background: #ecfdf5; border: 1px solid #6ee7b7;
  border-radius: 10px; padding: 14px 18px; margin-top: 16px;
  font-size: 0.93rem; color: var(--dlvn-text-secondary);
}
.dlvn-wrap .dlvn-warning-box {
  background: #fffbeb; border: 1px solid #fde68a;
  border-radius: 10px; padding: 14px 18px; margin-top: 16px;
  font-size: 0.93rem; color: var(--dlvn-text-secondary);
}

/* ── Gallery & Lightbox → tách vào photo-gallery.css (load tự động bởi component) ── */
/* Màu accent override cho trang này */
.dlvn-wrap .dlvn-ref-gallery {
  --pg-border:        var(--dlvn-border);
  --pg-accent:        var(--dlvn-primary-light);
  --pg-text-secondary: var(--dlvn-text-secondary);
  --pg-thumb-shadow:  rgba(5, 150, 105, 0.18);
}

/* Person grid */
.dlvn-wrap .dlvn-person-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.dlvn-wrap .dlvn-person-card {
  background: #fff; border: 1px solid var(--dlvn-border);
  border-radius: 12px; padding: 20px; text-align: center;
  box-shadow: var(--dlvn-shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.dlvn-wrap .dlvn-person-card:hover { transform: translateY(-3px); box-shadow: var(--dlvn-shadow); }
.dlvn-wrap .dlvn-person-card h4 { margin: 10px 0 2px; font-size: 1rem; font-weight: 700; }
.dlvn-wrap .dlvn-person-card p { font-size: 0.9rem; color: var(--dlvn-text-secondary); margin: 8px 0 0; }

/* Timeline section */
.dlvn-wrap .dlvn-timeline-wrap-new { max-width: 780px; }
.dlvn-wrap .dlvn-timeline-wrap-new .timeline { list-style: none; padding-left: 0; }
.dlvn-wrap .dlvn-timeline-wrap-new .timeline-indicator {
  font-size: 0.78rem; font-weight: 800; white-space: nowrap;
}
.dlvn-wrap .dlvn-timeline-wrap-new .timeline-event {
  background: #fff; border: 1px solid var(--dlvn-border);
  border-radius: 12px; padding: 16px; box-shadow: var(--dlvn-shadow-sm);
}
.dlvn-wrap .dlvn-timeline-wrap-new h6 { font-weight: 700; font-size: 0.95rem; color: var(--dlvn-text); }

/* ===== THU?T NG? SONG NG? (dlvn-en inline + vocab table) ===== */
/* Inline EN annotation */
.dlvn-wrap .dlvn-en { font-style: italic; font-size: 0.85em; color: var(--dlvn-accent); font-weight: 500; }

/* Vocabulary table */
.dlvn-wrap .dlvn-vocab-wrap { overflow-x: auto; margin-bottom: 20px; }
.dlvn-wrap .dlvn-vocab-wrap table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.dlvn-wrap .dlvn-vocab-wrap thead th { background: var(--dlvn-primary); color: #fff; padding: 10px 14px; text-align: left; font-weight: 700; font-size: 0.88rem; }
.dlvn-wrap .dlvn-vocab-wrap td { padding: 10px 14px; border-bottom: 1px solid #e5e7eb; color: var(--dlvn-text-secondary); vertical-align: top; }
.dlvn-wrap .dlvn-vocab-wrap tr:hover td { background: var(--dlvn-bg-warm); }
.dlvn-wrap .dlvn-vocab-vn { display: block; font-size: 0.8rem; margin-top: 4px; color: var(--dlvn-primary); }
.dlvn-wrap .dlvn-vocab-en { display: block; font-size: 0.8rem; margin-top: 2px; color: var(--dlvn-accent); }

/* Highlight note */
.dlvn-wrap .dlvn-highlight-note { background: linear-gradient(135deg, #f0fdf4, #dcfce7); border: 1px solid var(--dlvn-border-accent); border-left: 4px solid var(--dlvn-primary-light); border-radius: var(--dlvn-radius); padding: 16px 20px; margin-top: 16px; }
.dlvn-wrap .dlvn-highlight-label { font-weight: 700; color: var(--dlvn-primary-dark); margin-bottom: 8px; font-size: 0.95rem; }
.dlvn-wrap .dlvn-highlight-note p { margin: 0; font-size: 0.92rem; color: var(--dlvn-text-secondary); }

@media (max-width: 600px) {
  .dlvn-wrap .dlvn-vocab-wrap table { font-size: 0.85rem; }
  .dlvn-wrap .dlvn-vocab-wrap td { padding: 8px 10px; }
}