/* Decade Archive page styles */
.decade-archive-page {
  padding-block-end: var(--space-3xl);
}

.decade-archive-header {
  padding-block-start: var(--space-2xl);
  padding-block-end: var(--space-xl);
}

.decade-archive-header__heading {
  max-width: var(--measure-body);
}

.decade-archive-header__title {
  margin-block-end: var(--space-md);
}

.decade-archive-header__intro {
  max-width: var(--measure-body);
  margin-block-end: var(--space-lg);
}

.decade-timeline {
  margin-block-start: var(--space-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-block-end: var(--border-default);
}

.decade-timeline__list {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: max-content;
}

.decade-timeline__item {
  flex: none;
}

.decade-timeline__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--space-xs);
  font-size: var(--text-small-size);
  font-weight: 500;
  color: var(--color-ink);
  text-decoration: none;
  border-block-end: 2px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.decade-timeline__link:hover {
  color: var(--color-oxblood);
  border-block-end-color: var(--color-oxblood);
}

.decade-timeline__link:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
  border-radius: var(--radius-xs);
}

.decade-timeline__link.is-active {
  color: var(--color-oxblood);
  border-block-end-color: var(--color-oxblood);
}

.decade-archive-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.filter-rail {
  position: sticky;
  top: calc(var(--header-height-desktop) + var(--space-md));
  background-color: var(--color-paper-raised);
  border: var(--border-default);
  border-radius: var(--radius-none);
  padding: var(--space-md);
  max-height: calc(100vh - var(--header-height-desktop) - var(--space-xl));
  overflow-y: auto;
}

.filter-rail__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-block-end: var(--space-sm);
}

.filter-rail__title {
  font-size: var(--text-h3-size);
  margin: 0;
}

.filter-rail__close {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-ink);
  cursor: pointer;
  padding: var(--space-xs);
}

.filter-rail__instruction {
  font-size: var(--text-small-size);
  color: var(--color-slate);
  margin-block-end: var(--space-md);
  max-width: 30ch;
}

.filter-group {
  margin-block-end: var(--space-md);
}

.filter-group__label {
  font-size: var(--text-caption-size);
  letter-spacing: var(--text-caption-letter-spacing);
  text-transform: var(--text-caption-transform);
  color: var(--color-slate);
  margin-block-end: var(--space-xs);
}

.filter-group__options {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.filter-chip {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: 44px;
  padding: var(--space-xs) var(--space-sm);
  border: var(--border-default);
  border-radius: var(--radius-xs);
  background-color: var(--color-paper-raised);
  cursor: pointer;
  font-size: var(--text-small-size);
  color: var(--color-ink);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.filter-chip:hover {
  border-color: var(--color-ink);
}

.filter-chip input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  min-height: 16px;
  border: var(--border-strong);
  border-radius: var(--radius-xs);
  background-color: var(--color-paper);
  cursor: pointer;
  position: relative;
  flex: none;
}

.filter-chip input[type="checkbox"]:checked {
  background-color: var(--color-oxblood);
  border-color: var(--color-oxblood);
}

.filter-chip input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  inset: 3px;
  background-color: var(--color-paper);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.filter-chip input[type="checkbox"]:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

.filter-chip.is-active {
  border-inline-start: 4px solid var(--color-brass);
  color: var(--color-oxblood);
}

.filter-rail__result {
  margin-block-start: var(--space-md);
  padding-block-start: var(--space-sm);
  border-block-start: var(--border-default);
  font-size: var(--text-small-size);
  color: var(--color-slate);
}

.filter-rail__result-count {
  font-weight: 600;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

.decade-archive-content {
  min-width: 0;
}

.mobile-filter-bar {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-block-end: var(--space-md);
}

.mobile-filter-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: 44px;
  padding: var(--space-xs) var(--space-md);
  background-color: var(--color-paper-raised);
  border: var(--border-default);
  border-radius: var(--radius-xs);
  font-size: var(--text-small-size);
  font-weight: 500;
  color: var(--color-ink);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.mobile-filter-button:hover {
  border-color: var(--color-ink);
}

.mobile-filter-button__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding-inline: var(--space-2xs);
  background-color: var(--color-brass);
  color: var(--color-ink);
  border-radius: var(--radius-xs);
  font-size: var(--text-caption-size);
  font-weight: 600;
}

.mobile-filter-result {
  font-size: var(--text-small-size);
  color: var(--color-slate);
}

.decade-section {
  margin-block-end: var(--space-2xl);
}

.decade-section__header {
  margin-block-end: var(--space-md);
  padding-block-end: var(--space-sm);
  border-block-end: 1px solid var(--color-brass-soft);
}

.decade-section__title {
  margin: 0;
}

.decade-section__editorial {
  max-width: var(--measure-body);
  margin-block-end: var(--space-lg);
}

.decade-section__editorial p {
  margin: 0;
}

.film-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.film-card {
  background-color: var(--color-paper-raised);
  border: var(--border-default);
  border-radius: var(--radius-none);
  padding: var(--space-md);
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.film-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center;
  display: block;
  background-color: var(--color-paper);
  margin: -var(--space-md) -var(--space-md) 0 -var(--space-md);
}

.film-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.film-card__title {
  font-size: var(--text-h3-size);
  line-height: var(--text-h3-line-height);
  font-weight: 600;
  margin: 0;
}

.film-card__title a {
  color: var(--color-ink);
  text-decoration: none;
}

.film-card__title a:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-oxblood);
  text-decoration-thickness: 1px;
}

.film-card__meta {
  font-size: var(--text-small-size);
  color: var(--color-slate);
  margin: 0;
}

.film-card__summary {
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  color: var(--color-ink);
  margin: 0;
}

.editorial-note {
  background-color: var(--color-deep-slate);
  color: var(--color-paper);
  border-block-start: 1px solid var(--color-brass);
  padding: var(--space-lg);
  border-radius: var(--radius-none);
  margin-block-start: var(--space-2xl);
}

.editorial-note__title {
  color: var(--color-paper);
  margin-block-end: var(--space-sm);
}

.editorial-note__text {
  color: var(--color-paper);
  max-width: 52ch;
  margin: 0;
}

/* Tablet breakpoint */
@media (max-width: 900px) {
  .decade-archive-layout {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .filter-rail {
    position: static;
    max-height: none;
    overflow-y: visible;
  }

  .filter-rail__close {
    display: inline-flex;
  }

  .mobile-filter-bar {
    display: flex;
  }

  .filter-rail {
    display: none;
  }

  .filter-rail.is-open {
    display: block;
    position: fixed;
    inset: auto 0 0 0;
    z-index: 1000;
    max-height: 80vh;
    overflow-y: auto;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    border-block-start: var(--border-strong);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  }
}

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

  .decade-archive-header {
    padding-block-start: var(--space-xl);
    padding-block-end: var(--space-lg);
  }

  .decade-timeline__list {
    gap: var(--space-md);
  }

  .decade-timeline__link {
    padding-inline: var(--space-xs);
    font-size: var(--text-caption-size);
  }

  .editorial-note {
    padding: var(--space-md);
  }
}

@media (prefers-reduced-motion: reduce) {
  .decade-timeline__link,
  .filter-chip,
  .mobile-filter-button {
    transition: none;
  }
}