/* ============================================
   CONTENTS CARD — Section list overlay
   Opens from scroll indicator click
   ============================================ */

.contents-card {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%) scale(0.95);
  z-index: 950;
  width: 320px;
  max-height: 80vh;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  overflow-y: auto;
  padding: var(--spacing-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease, transform 250ms ease;
}

.contents-card.is-open {
  opacity: 1;
  transform: translateY(-50%) scale(1);
  pointer-events: auto;
}

/* Header */
.contents-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.contents-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.contents-card__close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--color-text);
  padding: var(--spacing-xs);
  line-height: 1;
}

/* Section items */
.contents-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contents-card__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  border: none;
  background: none;
  text-align: left;
  font-family: var(--font-family-body);
  width: 100%;
}

.contents-card__item:hover {
  background: rgba(0, 0, 0, 0.05);
}

.contents-card__item.is-active {
  background: rgba(0, 0, 0, 0.07);
}

.contents-card__thumb {
  width: 80px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  color: var(--color-text-muted);
}

.contents-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contents-card__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contents-card__name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.contents-card__desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Hide scroll indicator dots when card is open */
.scroll-indicator.is-card-open {
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 768px) {
  .contents-card {
    right: 16px;
    left: 16px;
    width: auto;
  }
}