/* ================================================================
   EC2 — list.css  商品一覧ページ
   ================================================================ */

/* ── Page Hero ───────────────────────────────────────────────── */
.list-hero {
  background: var(--off-white);
  padding: 48px 40px 40px;
  border-bottom: 1px solid var(--border);
}
.list-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.list-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.list-breadcrumb a { color: var(--text-muted); transition: color 0.2s ease; }
.list-breadcrumb a:hover { color: var(--text); }
.list-breadcrumb-sep { font-size: 0.6rem; }
.list-page-title {
  font-family: var(--ff-en);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text);
  line-height: 1;
}

/* ── Filter Bar ──────────────────────────────────────────────── */
.filter-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.filter-bar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 56px;
}
.filter-chips {
  display: flex;
  gap: 4px;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
}
.filter-chips::-webkit-scrollbar { display: none; }
.filter-chip {
  flex-shrink: 0;
  padding: 7px 16px;
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mid);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
  font-family: var(--ff-ui);
}
.filter-chip:hover { color: var(--text); border-color: var(--border); }
.filter-chip.is-active {
  color: var(--white);
  background: var(--text);
  border-color: var(--text);
}

.filter-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}
.product-count {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  white-space: nowrap;
}
.sort-select {
  font-family: var(--ff-ui);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-mid);
  background: transparent;
  border: 1px solid var(--border);
  padding: 7px 30px 7px 12px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.sort-select:focus { outline: none; border-color: var(--text); color: var(--text); }

/* ── Product List Area ───────────────────────────────────────── */
.list-body {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 40px 100px;
}
.list-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

/* ── Empty State ─────────────────────────────────────────────── */
.list-empty {
  display: none;
  flex-direction: column;
  align-items: center;
  padding: 100px 20px;
  text-align: center;
}
.list-empty.is-visible { display: flex; }
.list-empty-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  opacity: 0.3;
}
.list-empty-title {
  font-family: var(--ff-en);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text-mid);
  margin-bottom: 10px;
}
.list-empty-sub {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.9;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1080px) {
  .list-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .list-hero  { padding: 36px 20px 28px; }
  .filter-bar-inner { padding: 0 16px; }
  .list-body  { padding: 32px 20px 80px; }
  .list-grid  { grid-template-columns: repeat(2, 1fr); }
  .product-count { display: none; }
}
@media (max-width: 480px) {
  .filter-chip { padding: 6px 12px; font-size: 0.62rem; }
}