/* ===== Luna Cross-Sell Cards ===== */
.cs-section {
  margin: 32px auto 18px;
  max-width: 720px;
  padding: 0 4px;
}
.cs-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 0 4px;
}
.cs-header-icon { font-size: 18px; }
.cs-header-text {
  font-family: 'Noto Serif KR', serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}
.cs-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cs-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(167, 139, 250, 0.20);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: all 0.18s ease;
  cursor: pointer;
}
.cs-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.12);
}
.cs-emoji {
  font-size: 30px;
  line-height: 1;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(124,58,237,0.10), rgba(236,72,153,0.08));
  border-radius: 12px;
}
.cs-body { flex: 1; min-width: 0; }
.cs-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 3px;
  flex-wrap: wrap;
}
.cs-name {
  font-family: 'Noto Serif KR', serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}
.cs-badge {
  font-size: 10.5px;
  font-weight: 600;
  color: #5B21B6;
  background: rgba(124, 58, 237, 0.10);
  border: 1px solid rgba(124, 58, 237, 0.20);
  padding: 1px 7px;
  border-radius: 999px;
  letter-spacing: 0.2px;
}
.cs-badge-free {
  color: #047857;
  background: rgba(16, 185, 129, 0.10);
  border-color: rgba(16, 185, 129, 0.25);
}
.cs-tagline {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cs-arrow {
  font-size: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.18s ease;
}
.cs-card:hover .cs-arrow {
  transform: translateX(4px);
  color: #7C3AED;
}

/* 다크 모드 */
[data-theme="dark"] .cs-card {
  background: rgba(20, 20, 42, 0.65) !important;
  border-color: rgba(167, 139, 250, 0.25) !important;
}
[data-theme="dark"] .cs-card:hover {
  background: rgba(30, 30, 56, 0.80) !important;
  border-color: rgba(167, 139, 250, 0.50) !important;
}
[data-theme="dark"] .cs-name { color: var(--text-primary) !important; }
[data-theme="dark"] .cs-tagline { color: var(--text-secondary) !important; }
[data-theme="dark"] .cs-badge {
  color: #C4B5FD !important;
  background: rgba(124, 58, 237, 0.20) !important;
  border-color: rgba(124, 58, 237, 0.40) !important;
}
[data-theme="dark"] .cs-badge-free {
  color: #34D399 !important;
  background: rgba(52, 211, 153, 0.15) !important;
  border-color: rgba(52, 211, 153, 0.35) !important;
}
[data-theme="dark"] .cs-header-text { color: var(--text-primary) !important; }

@media (min-width: 640px) {
  .cs-cards { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
  .cs-card { flex-direction: column; align-items: flex-start; gap: 10px; padding: 16px 14px; }
  .cs-emoji { width: 48px; height: 48px; font-size: 32px; }
  .cs-body { width: 100%; }
  .cs-arrow { display: none; }
  .cs-tagline { white-space: normal; }
}