.settings-page {
  display: flex;
  gap: var(--space-lg);
  min-height: 0;
}

.settings-page--mobile {
  padding: var(--space-md);
}

.settings-subnav {
  width: 14rem;
  flex-shrink: 0;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: var(--space-sm);
  align-self: flex-start;
  position: sticky;
  top: var(--space-md);
}

.settings-subnav__header {
  padding: var(--space-xs) var(--space-sm) var(--space-sm);
  border-bottom: 1px solid var(--color-outline-variant);
  margin-bottom: var(--space-xs);
}

.settings-subnav__title {
  margin: 0;
  color: var(--color-on-surface);
}

.settings-subnav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-base);
}

.settings-subnav__list--scroll {
  flex-direction: row;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: var(--space-xs);
}

.settings-subnav__item {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-lg);
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  min-height: 2.75rem;
  white-space: nowrap;
}

.settings-subnav__item:hover {
  background: var(--color-surface-container-high);
  color: var(--color-on-surface);
  text-decoration: none;
}

.settings-subnav__item--active {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.settings-subnav__item--active:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.settings-content {
  flex: 1;
  min-width: 0;
}

.settings-pdf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: var(--space-md);
}

.settings-pdf-card {
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  background: var(--color-surface-container-lowest);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.settings-pdf-card:hover {
  box-shadow: var(--shadow-overlay);
  transform: translateY(-2px);
}

.settings-pdf-card__preview {
  position: relative;
  height: 12.5rem;
  overflow: hidden;
  background: var(--color-surface-container-low);
  border-bottom: 1px solid var(--color-outline-variant);
}

.settings-pdf-card__iframe {
  position: absolute;
  top: 0;
  left: 50%;
  border: none;
  background: var(--color-surface-container-lowest);
  transform-origin: top center;
  pointer-events: none;
}

.settings-pdf-card__preview-empty {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  color: var(--color-on-surface-variant);
  font-size: var(--font-size-label-sm);
}

.settings-pdf-card__body {
  padding: var(--space-md);
}

.settings-pdf-card__name {
  margin: 0 0 var(--space-xs);
  font-size: var(--font-size-body-md);
  font-weight: 700;
  color: var(--color-on-surface);
}

.settings-pdf-card__dates {
  font-size: var(--font-size-label-sm);
  color: var(--color-on-surface-variant);
  margin-bottom: var(--space-xs);
}

.settings-pdf-card__labels {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.settings-pdf-card__badge {
  padding: var(--space-base) var(--space-xs);
  border-radius: var(--radius-full);
  font-size: var(--font-size-label-sm);
  font-weight: 700;
  color: var(--color-on-primary);
}

.settings-pdf-card__badge--premium {
  background: var(--color-primary);
}

.settings-pdf-card__badge--free {
  background: var(--color-secondary);
}

.settings-pdf-card__badge--active {
  background: var(--color-secondary);
}

.settings-pdf-card__badge--inactive {
  background: var(--color-outline);
}

.settings-pdf-card__badge--count {
  background: color-mix(in srgb, var(--color-primary) 85%, var(--color-tertiary));
}

.settings-pdf-card__badge--size {
  background: var(--color-surface-container-highest);
  color: var(--color-on-surface-variant);
}

.settings-pdf-card__actions {
  display: flex;
  gap: var(--space-xs);
}

.settings-placeholder {
  background: var(--color-surface-container-low);
  border: 1px dashed var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  color: var(--color-on-surface-variant);
}

.settings-placeholder__title {
  font-size: var(--font-size-headline-sm);
  font-weight: 700;
  color: var(--color-on-surface);
  margin-bottom: var(--space-xs);
}

@media (max-width: 768px) {
  .settings-page {
    flex-direction: column;
  }

  .settings-subnav {
    width: 100%;
    position: static;
  }

  .settings-pdf-grid {
    grid-template-columns: 1fr;
  }

  .set-page-header {
    flex-direction: column;
    align-items: stretch;
  }
}