/* ================================================================
   news.css — /news/ ページ専用スタイル
   デザイントークンは common.css の CSS変数を使用
   ================================================================ */

/* ----------------------------------------------------------------
   News Main Layout
   ---------------------------------------------------------------- */
.news-main {
  min-height: 60vh;
  padding-bottom: var(--space-5xl, 6rem);
}

/* ----------------------------------------------------------------
   Filter Bar (店舗フィルタ)
   ---------------------------------------------------------------- */
.filter-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid rgba(240, 237, 232, 0.06);
  position: sticky;
  top: 64px; /* header height */
  z-index: 40;
  padding: 1rem 0;
}

.filter-bar__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl, 2rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.filter-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 1.1rem;
  border: 1px solid rgba(240, 237, 232, 0.15);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.filter-btn:hover {
  border-color: var(--mars-400);
  color: var(--text-primary);
}

.filter-btn--active {
  background: var(--mars-500);
  border-color: var(--mars-500);
  color: #fff;
}

/* ----------------------------------------------------------------
   Category Tabs
   ---------------------------------------------------------------- */
.news-tabs {
  max-width: 1200px;
  margin: 2.5rem auto 0;
  padding: 0 var(--space-xl, 2rem);
  display: flex;
  gap: 0;
  border-bottom: 1px solid rgba(240, 237, 232, 0.08);
}

.news-tab {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.75rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}

.news-tab::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--mars-500);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}

.news-tab:hover {
  color: var(--text-primary);
}

.news-tab--active {
  color: var(--text-primary);
}

.news-tab--active::after {
  transform: scaleX(1);
}

/* ----------------------------------------------------------------
   News Container / Grid
   ---------------------------------------------------------------- */
.news-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem var(--space-xl, 2rem) 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: rgba(240, 237, 232, 0.04);
}

/* ----------------------------------------------------------------
   News Card
   ---------------------------------------------------------------- */
.news-card {
  background: var(--bg-card);
  padding: 1.75rem;
  cursor: default;
  transition: background 0.25s, transform 0.25s;
  border: 1px solid transparent;
}

.news-card:hover {
  background: #242220;
  border-color: rgba(232, 76, 58, 0.15);
  transform: translateY(-2px);
}

.news-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}

.news-card__date {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.news-card__badge {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.6rem;
  border-radius: 2px;
  text-transform: uppercase;
}

.news-card__badge--event {
  background: rgba(232, 76, 58, 0.15);
  color: var(--mars-400);
  border: 1px solid rgba(232, 76, 58, 0.3);
}

.news-card__badge--campaign {
  background: rgba(180, 140, 60, 0.12);
  color: #c8a84b;
  border: 1px solid rgba(180, 140, 60, 0.25);
}

.news-card__badge--info {
  background: rgba(100, 160, 200, 0.1);
  color: #7ab8d4;
  border: 1px solid rgba(100, 160, 200, 0.2);
}

.news-card__shop {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-left: auto;
}

.news-card__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 0.7rem;
}

.news-card__body {
  font-family: var(--font-body);
  font-size: 0.825rem;
  line-height: 1.7;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ----------------------------------------------------------------
   Skeleton Loader
   ---------------------------------------------------------------- */
.news-card--skeleton {
  min-height: 160px;
  background: linear-gradient(90deg,
    var(--bg-card) 25%,
    rgba(255,255,255,0.04) 50%,
    var(--bg-card) 75%
  );
  background-size: 400% 100%;
  animation: skeleton-shimmer 1.4s infinite;
  cursor: default;
}

@keyframes skeleton-shimmer {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* ----------------------------------------------------------------
   Empty State
   ---------------------------------------------------------------- */
.news-empty {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 5rem 0;
  color: var(--text-muted);
}

.news-empty__icon {
  font-size: 2.5rem;
  opacity: 0.5;
}

.news-empty__text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* ----------------------------------------------------------------
   Pagination / Load More
   ---------------------------------------------------------------- */
.news-pagination {
  justify-content: center;
  padding: 3rem 0 0;
}

.btn-load-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  padding: 0.85rem 2.5rem;
  border: 1px solid rgba(240, 237, 232, 0.18);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.25s;
}

.btn-load-more:hover {
  border-color: var(--mars-500);
  color: var(--mars-400);
}

.btn-load-more svg {
  transition: transform 0.25s;
}

.btn-load-more:hover svg {
  transform: translateY(3px);
}

/* ----------------------------------------------------------------
   Responsive
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .filter-bar {
    top: 56px;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .news-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .news-tab {
    white-space: nowrap;
    padding: 0.75rem 1rem;
  }

  .news-card__shop {
    display: none;
  }
}