/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-btn);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: background var(--transition), color var(--transition), opacity var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}
.btn-secondary:hover { background: var(--color-accent-light); }
.btn-danger {
  background: var(--color-sale);
  color: var(--color-white);
}
.btn-danger:hover { background: #c73a39; }
.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn-ghost:hover { background: var(--color-bg); color: var(--color-text-primary); }
.btn:disabled { opacity: 0.4; pointer-events: none; }
.btn-sm { padding: 7px 14px; font-size: var(--font-size-xs); }
.btn-lg { padding: 14px 28px; font-size: var(--font-size-base); }
.btn-icon { padding: 8px; width: 36px; height: 36px; border-radius: var(--radius-sm); }
.btn-icon-lg { padding: 10px; width: 42px; height: 42px; }

/* ===== BADGES / LABELS ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.badge-sale { background: var(--color-sale); color: #fff; }
.badge-new  { background: var(--color-new);  color: #fff; }
.badge-hit  { background: var(--color-accent); color: #fff; }

/* ===== PRODUCT CARD ===== */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}
.product-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.product-card__image-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg);
}
.product-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform 0.3s ease;
}
.product-card:hover .product-card__image-wrap img { transform: scale(1.03); }
.product-card__labels {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.product-card__wishlist {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  color: var(--color-text-muted);
}
.product-card__wishlist:hover,
.product-card__wishlist.active { background: #fff0f0; color: var(--color-sale); border-color: var(--color-sale); }
.product-card__body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-card__name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.4;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card__rating {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.stars { display: flex; gap: 1px; color: #f59e0b; font-size: 12px; }
.product-card__price-row {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.product-card__price {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
}
.product-card__old-price {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-decoration: line-through;
}
.product-card__footer {
  padding: 0 14px 14px;
  display: flex;
  gap: 8px;
}
.product-card__footer .btn { flex: 1; }
.product-card--out-of-stock .product-card__image-wrap { opacity: 0.5; }
.out-of-stock-label {
  font-size: var(--font-size-xs);
  color: var(--color-sale);
  font-weight: 500;
}

/* ===== RATING STARS ===== */
.rating-stars {
  display: inline-flex;
  gap: 2px;
}
.rating-stars svg { width: 16px; height: 16px; }
.star-full  { fill: #f59e0b; stroke: #f59e0b; }
.star-empty { fill: none; stroke: #d1d5db; }

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: 24px;
}
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs-sep { opacity: 0.5; }
.breadcrumbs span:last-child { color: var(--color-text-primary); }

/* ===== SECTION HEADER ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.section-title {
  font-family: 'Rajdhani', 'Inter', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--color-text-primary);
}
.section-link {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.section-link:hover { gap: 8px; }

/* ===== FORM ELEMENTS ===== */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}
.form-input, .form-select, .form-textarea {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  background: var(--color-white);
  color: var(--color-text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}
.form-textarea { resize: vertical; min-height: 100px; }

/* ===== QUANTITY SELECTOR ===== */
.qty-selector {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.qty-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 18px;
  transition: background var(--transition);
}
.qty-btn:hover { background: var(--color-accent-light); color: var(--color-accent); }
.qty-input {
  width: 50px;
  height: 36px;
  border: none;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  outline: none;
}

/* ===== PRICE RANGE SLIDER ===== */
.price-range { padding: 8px 0; }
.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--color-accent) 0%, var(--color-accent) 50%, #e5e7eb 50%);
  border-radius: 2px;
  outline: none;
}
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.price-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 8px;
}

/* ===== TABS ===== */
.tabs {
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: 0;
}
.tab-btn {
  padding: 12px 24px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition), border-color var(--transition);
}
.tab-btn:hover { color: var(--color-text-primary); }
.tab-btn.active { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.tab-content { display: none; padding: 24px 0; }
.tab-content.active { display: block; }

/* ===== CHECKBOX ===== */
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  padding: 4px 0;
}
.checkbox-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 3px;
  accent-color: var(--color-accent);
  cursor: pointer;
}
.checkbox-item:hover input { border-color: var(--color-accent); }

/* ===== RADIO ===== */
.radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  padding: 4px 0;
}
.radio-item input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 40px;
}
.page-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-primary);
  transition: all var(--transition);
}
.page-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.page-btn.active {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.page-btn:disabled { opacity: 0.4; pointer-events: none; }

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
}
.empty-state svg { margin: 0 auto 16px; opacity: 0.3; }
.empty-state h3 { font-size: 18px; font-weight: 600; color: var(--color-text-primary); margin-bottom: 8px; }
.empty-state p { font-size: var(--font-size-sm); margin-bottom: 24px; }

/* ===== NOTIFICATION TOAST ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 14px 18px;
  box-shadow: var(--shadow-card-hover);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-size-sm);
  animation: toastIn 0.3s ease;
  max-width: 320px;
}
.toast-success { border-left: 4px solid var(--color-new); }
.toast-info    { border-left: 4px solid var(--color-accent); }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   Доповнення від 2026-08-03 — доступність і нові стани
   ============================================================ */

/* Приховано візуально, але доступно скрінрідеру (A11Y-01) */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Пропустити навігацію (WCAG 2.4.1) */
.skip-link {
  position: absolute;
  left: 8px; top: -60px;
  z-index: 9999;
  padding: 12px 20px;
  background: var(--color-accent, #7C3AED);
  color: #fff;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* Видимий фокус (WCAG 2.4.7) */
:focus-visible {
  outline: 3px solid #06B6D4;
  outline-offset: 2px;
  border-radius: 3px;
}
.dark-page :focus-visible { outline-color: #22d3ee; }

/* Мінімальний розмір тач-цілі 24×24 (WCAG 2.5.8) */
.qty-btn,
.page-btn,
.search-clear,
.gallery-thumb,
.product-card__wishlist,
.toast-close,
.modal-close {
  min-width: 40px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 768px) {
  .qty-btn, .page-btn, .product-card__wishlist { min-width: 44px; min-height: 44px; }
}

/* Скелетони завантаження (FN-20) */
.skeleton {
  background: linear-gradient(100deg,
    rgba(255,255,255,0.03) 30%,
    rgba(124,58,237,0.10) 50%,
    rgba(255,255,255,0.03) 70%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-card, 12px);
  border: 1px solid rgba(124,58,237,0.12);
}
@keyframes skeleton-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .skeleton { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* Кнопка закриття тосту */
.toast-close {
  margin-left: auto;
  background: none;
  border: 0;
  color: inherit;
  opacity: 0.6;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.toast-close:hover { opacity: 1; }

/* Розрив у пагінації */
.page-gap { padding: 0 4px; color: var(--color-text-muted, #6b7280); }

/* Статус оплати в адмінці */
.pay-status { font-weight: 600; font-size: 11px; }
.pay-ok     { color: #1D9E75; }
.pay-danger { color: #E24B4A; }
.pay-warn   { color: #d97706; }
.pay-muted  { color: #6b7280; }

/* Економія на картці товару */
.product-save {
  display: inline-block;
  margin-left: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #1D9E75;
}

/* Контраст приглушеного тексту на темному тлі (A11Y-08):
   #6b7280 давав 4.0:1 — нижче за норму AA 4.5:1 */
.dark-page { --color-text-muted: #a1a7b3; }
.dark-page .search-input::placeholder,
.dark-page .form-input::placeholder { color: #9199a6 !important; }

/* Стани помилок форм */
.form-error { color: var(--color-sale, #E24B4A); font-size: 13px; }
.form-input:invalid:not(:placeholder-shown) { border-color: var(--color-sale, #E24B4A); }

/* Бренд на картці замість фейкового рейтингу (DAT-01) */
.product-card__brand {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: .3px;
  margin: 2px 0 4px;
}