/* ================================================
   SHOP PAGE — Wotaku Mart
   ================================================ */

/* ─── SHOP HERO BANNER ─── */
.shop-hero {
  background: var(--text-primary);
  color: white;
  padding: 72px 40px 40px;
  position: relative;
  overflow: hidden;
}
.shop-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(200,16,46,0.25) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(200,16,46,0.12) 0%, transparent 50%);
  pointer-events: none;
}
.shop-hero-inner {
  max-width: 1440px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.shop-hero-sub {
  font-family: var(--font-jp);
  font-size: 11px;
  letter-spacing: 0.35em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.shop-hero-title {
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 0.9;
  margin-bottom: 14px;
  background: linear-gradient(135deg, #fff 60%, rgba(200,16,46,0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.shop-hero-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.04em;
  max-width: 480px;
}
.breadcrumb {
  max-width: 1440px;
  margin: 24px auto 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  position: relative;
  z-index: 1;
}
.breadcrumb a { color: rgba(255,255,255,0.45); transition: color var(--transition); }
.breadcrumb a:hover { color: white; }
.breadcrumb span[aria-current] { color: rgba(255,255,255,0.8); }

/* ─── SHOP LAYOUT ─── */
.shop-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  max-width: 1440px;
  margin: 0 auto;
  min-height: 80vh;
  background: var(--bg-primary);
}

/* ─── SIDEBAR ─── */
.shop-sidebar {
  border-right: 1px solid var(--border);
  background: var(--bg-white);
  position: sticky;
  top: 68px;
  height: calc(100vh - 68px);
  overflow-y: auto;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
}
.shop-sidebar::-webkit-scrollbar { width: 4px; }
.shop-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-inner { padding: 28px 24px; }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.sidebar-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.sidebar-close-btn {
  display: none;
  padding: 4px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.sidebar-close-btn:hover { color: var(--text-primary); }

.filter-group {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-light);
}
.filter-group:last-of-type { border-bottom: none; }

.filter-group-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.filter-check {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 5px 0;
  margin-bottom: 4px;
  transition: color var(--transition);
}
.filter-check:hover .check-label { color: var(--text-primary); }
.filter-check input[type="radio"],
.filter-check input[type="checkbox"] {
  appearance: none;
  width: 16px; height: 16px;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: all var(--transition);
}
.filter-check input[type="checkbox"] { border-radius: 3px; }
.filter-check input:checked {
  background: var(--accent-red);
  border-color: var(--accent-red);
}
.filter-check input:checked::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: white;
  border-radius: 50%;
}
.filter-check input[type="checkbox"]:checked::after {
  content: '✓';
  inset: auto;
  background: none;
  font-size: 10px;
  color: white;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 0;
  line-height: 1;
}
.check-label {
  font-size: 13px;
  color: var(--text-secondary);
  flex: 1;
  transition: color var(--transition);
}
.check-count {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Price Range */
.price-range-wrap { padding: 4px 0; }
.price-slider {
  width: 100%;
  -webkit-appearance: none;
  height: 3px;
  background: linear-gradient(to right, var(--accent-red) 0%, var(--border) 0%);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  margin-bottom: 12px;
}
.price-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent-red);
  border: 2px solid white;
  box-shadow: 0 2px 8px rgba(200,16,46,0.4);
  cursor: pointer;
  transition: transform var(--transition);
}
.price-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.price-labels { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); }

/* Reset button */
.filter-reset-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 10px 16px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  width: 100%;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 8px;
}
.filter-reset-btn:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
}

/* ─── SHOP MAIN ─── */
.shop-main {
  padding: 32px 36px;
  min-width: 0;
}

/* ─── TOOLBAR ─── */
.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.filter-toggle-btn {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-toggle-btn:hover { border-color: var(--text-primary); }
.filter-toggle-btn.active { background: var(--text-primary); color: white; border-color: var(--text-primary); }

.product-count {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.product-count span { color: var(--text-primary); font-weight: 700; }

.sort-label { font-size: 12px; color: var(--text-muted); }
.sort-select {
  font-size: 13px;
  font-family: var(--font-sans);
  font-weight: 600;
  padding: 8px 32px 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  appearance: none;
  background: var(--bg-white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right 8px center / 14px;
  cursor: pointer;
  transition: border-color var(--transition);
}
.sort-select:focus { outline: none; border-color: var(--text-primary); }

.view-toggle { display: flex; border: 1.5px solid var(--border); border-radius: 4px; overflow: hidden; }
.view-btn {
  padding: 8px 10px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all var(--transition);
  border-right: 1px solid var(--border);
}
.view-btn:last-child { border-right: none; }
.view-btn:hover { background: var(--bg-secondary); color: var(--text-primary); }
.view-btn.active { background: var(--text-primary); color: white; }

/* ─── ACTIVE FILTERS TAGS ─── */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  min-height: 0;
}
.filter-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 12px;
  background: var(--accent-red-light);
  border: 1px solid rgba(200,16,46,0.2);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-red);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-tag:hover { background: rgba(200,16,46,0.2); }
.filter-tag button {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: rgba(200,16,46,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 9px;
  cursor: pointer;
  transition: background var(--transition);
}
.filter-tag button:hover { background: var(--accent-red); color: white; }

/* ─── BRAND SECTIONS ─── */
.shop-brand-section {
  margin-bottom: 52px;
}
.brand-section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding: 20px 24px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.brand-section-logo img { display: block; }
.brand-section-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.1;
}
.brand-section-sub {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  font-family: var(--font-jp);
  margin-top: 3px;
}

/* ─── CATEGORY TABS ─── */
.category-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.cat-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.cat-tab:hover { border-color: var(--text-primary); color: var(--text-primary); }
.cat-tab.active {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: white;
}

/* ─── PRODUCT GRID ─── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.product-grid.list-view {
  grid-template-columns: 1fr;
}
.product-grid.list-view .product-card {
  flex-direction: row;
  display: flex;
  gap: 20px;
}
.product-grid.list-view .product-image-wrap {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}
.product-grid.list-view .product-info { padding: 8px 0; }

/* Quick Add overlay */
.card-quick-add {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 12px;
  transform: translateY(100%);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 3;
}
.quick-add-btn {
  width: 100%;
  padding: 10px;
  background: var(--text-primary);
  color: white;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--transition);
}
.quick-add-btn:hover { background: var(--accent-red); }
.product-card:hover .card-quick-add { transform: translateY(0); }

/* ─── NO RESULTS ─── */
.no-results {
  text-align: center;
  padding: 80px 24px;
  color: var(--text-secondary);
}
.no-results-icon { font-size: 48px; margin-bottom: 16px; }
.no-results h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
.no-results p { font-size: 14px; }
.no-results-reset {
  color: var(--accent-red);
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

/* ─── HIDDEN/VISIBLE CARDS ─── */
.shop-card.hidden { display: none; }

/* ─── SIDEBAR BACKDROP (mobile) ─── */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.3s;
}
.sidebar-backdrop.active { opacity: 1; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px) {
  .shop-layout {
    grid-template-columns: 240px 1fr;
  }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}

@media (max-width: 900px) {
  .shop-layout {
    grid-template-columns: 1fr;
  }

  .shop-sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 300px;
    height: 100vh;
    transform: translateX(-100%);
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 500;
  }
  .shop-sidebar.open { transform: translateX(0); }
  .sidebar-backdrop { display: block; pointer-events: none; }
  .sidebar-backdrop.active { pointer-events: all; }
  .sidebar-close-btn { display: flex; }
  .filter-toggle-btn { display: flex; }
}

@media (max-width: 768px) {
  .shop-hero { padding: 80px 20px 32px; }
  .shop-main { padding: 24px 16px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .shop-toolbar { flex-direction: column; align-items: flex-start; }
  .toolbar-right { width: 100%; justify-content: space-between; }
  .brand-section-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .view-toggle { display: none; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; gap: 14px; }
  .category-tabs { gap: 6px; }
  .cat-tab { padding: 6px 12px; font-size: 11px; }
}