/* ============================================
   ARSES Products — responsive shop page
   ============================================ */

:root {
  --green: #1f7a5c;
  --green-dark: #165a44;
  --mint: #e8f5ef;
  --cream: #f6f7f5;
  --text: #111111;
  --muted: #6b7280;
  --border: #e5e7eb;
  --shadow: 0 4px 24px rgba(17, 17, 17, 0.08);
  --shadow-sm: 0 1px 3px rgba(17, 17, 17, 0.06);
  --radius: 16px;
  --radius-sm: 12px;
  --header-h: 72px;
  --mobile-bar-h: 60px;
  --container: 1200px;
  --sidebar-w: 280px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --focus-ring: 0 0 0 3px rgba(31, 122, 92, 0.18);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

body.shop-drawer-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ---- Main ---- */

.shop-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-3) 20px calc(var(--space-5) + var(--mobile-bar-h));
}

@media (min-width: 768px) {
  .shop-main {
    padding-bottom: var(--space-5);
  }
}

.shop-hero {
  margin-bottom: var(--space-4);
}

.shop-hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
  margin-bottom: var(--space-1);
}

.shop-hero h1 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-1);
}

.shop-hero__lead {
  color: var(--muted);
  max-width: 540px;
  font-size: 1.0625rem;
  line-height: 1.55;
}

.shop-hero__count {
  margin-top: var(--space-2);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--green-dark);
}

.shop-layout {
  display: grid;
  gap: var(--space-3);
  align-items: start;
}

/* ---- Filters ---- */

.filters-drawer__header {
  margin-bottom: var(--space-2);
}

.filters-drawer__title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.filters-drawer__subtitle {
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 4px;
  max-width: 280px;
}

.filters-drawer__close {
  display: none;
}

.filters-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
}

.filter-group + .filter-group {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}

.filter-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 4px;
}

.filter-hint {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: var(--space-1);
}

.filter-control {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--text);
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.filter-control:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: var(--focus-ring);
}

.filter-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.filter-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: var(--space-3);
}

/* Mobile filter drawer */
@media (max-width: 767px) {
  .filters-drawer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 210;
    max-height: min(88vh, 720px);
    padding: var(--space-3) 20px calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
    background: #fff;
    border-radius: var(--radius) var(--radius) 0 0;
    box-shadow: 0 -8px 40px rgba(17, 17, 17, 0.14);
    transform: translateY(105%);
    transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .filters-drawer.is-open {
    transform: translateY(0);
  }

  .filters-drawer__header {
    position: relative;
    padding-right: 40px;
  }

  .filters-drawer__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    right: 0;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--muted);
  }

  .filters-panel {
    border: none;
    box-shadow: none;
    padding: 0;
    background: transparent;
  }
}

/* Tablet compact filters */
@media (min-width: 768px) and (max-width: 1023px) {
  .shop-layout {
    grid-template-columns: 1fr;
  }

  .filters-drawer__header {
    display: none;
  }

  .filters-panel {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2) var(--space-3);
    padding: var(--space-3);
  }

  .filter-group {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
  }

  .filter-group--price {
    grid-column: 1 / -1;
  }

  .filter-actions {
    grid-column: 1 / -1;
    flex-direction: row;
    margin-top: var(--space-1);
  }

  .filter-actions .btn {
    flex: 1;
  }
}

/* Desktop sidebar */
@media (min-width: 1024px) {
  .shop-layout {
    grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
    gap: var(--space-4);
  }

  .filters-drawer__header {
    display: none;
  }

  .filters-panel {
    position: sticky;
    top: calc(var(--header-h) + var(--space-2));
  }
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 10px;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 2px 8px rgba(31, 122, 92, 0.22);
}

.btn--primary:hover:not(:disabled) {
  background: var(--green-dark);
  transform: translateY(-1px);
}

.btn--ghost {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--ghost:hover:not(:disabled) {
  border-color: var(--green);
  color: var(--green);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ---- Sort bar ---- */

.results-toolbar {
  margin-bottom: var(--space-3);
}

.sort-bar {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sort-bar__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.sort-bar__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  margin: 0 -20px;
  padding: 0 20px 4px;
}

.sort-bar__scroll::-webkit-scrollbar {
  display: none;
}

.sort-bar__buttons {
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 8px;
  min-width: min-content;
}

.sort-btn {
  flex-shrink: 0;
  padding: 8px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all 0.2s ease;
}

.sort-btn:hover:not(:disabled) {
  border-color: var(--green);
  color: var(--green);
}

.sort-btn.is-active {
  background: var(--mint);
  border-color: var(--green);
  color: var(--green-dark);
}

.sort-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.shop-content.is-loading .sort-bar__buttons {
  opacity: 0.55;
  pointer-events: none;
}

@media (min-width: 768px) {
  .sort-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
  }

  .sort-bar__scroll {
    margin: 0;
    padding: 0;
    overflow: visible;
  }

  .sort-bar__buttons {
    flex-wrap: wrap;
  }
}

@media (max-width: 767px) {
  .sort-bar--desktop {
    display: none;
  }
}

/* ---- Overlays & mobile bar ---- */

.shop-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(17, 17, 17, 0.42);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.28s ease;
  pointer-events: none;
}

.shop-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.shop-overlay[hidden] {
  display: none;
}

.sort-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 210;
  background: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
  padding: var(--space-3) 20px calc(var(--space-3) + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -8px 40px rgba(17, 17, 17, 0.14);
  transform: translateY(105%);
  transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
}

.sort-sheet.is-open {
  transform: translateY(0);
}

.sort-sheet[hidden] {
  display: block;
  visibility: hidden;
}

.sort-sheet.is-open[hidden] {
  visibility: visible;
}

.sort-sheet__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.sort-sheet__title {
  font-size: 1.0625rem;
  font-weight: 700;
}

.sort-sheet__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.sort-sheet__options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sort-sheet__option {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  background: var(--cream);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.sort-sheet__option.is-active {
  background: var(--mint);
  border-color: rgba(31, 122, 92, 0.25);
  color: var(--green-dark);
}

.mobile-shop-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  box-shadow: 0 -4px 24px rgba(17, 17, 17, 0.08);
}

.mobile-shop-bar__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--mobile-bar-h);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: color 0.2s ease, background 0.2s ease;
}

.mobile-shop-bar__btn:hover,
.mobile-shop-bar__btn[aria-expanded="true"] {
  color: var(--green-dark);
  background: var(--mint);
}

.mobile-shop-bar__btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

@media (min-width: 768px) {
  .mobile-shop-bar,
  .sort-sheet {
    display: none !important;
  }
}

/* ---- Skeleton ---- */

.skeleton-grid {
  pointer-events: none;
}

#products-skeleton[hidden],
#products-grid[hidden] {
  display: none !important;
}

.skeleton-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  min-height: 380px;
}

.skeleton-card__media {
  aspect-ratio: 1 / 1;
  background: linear-gradient(110deg, var(--mint) 8%, #f3f6f4 18%, var(--mint) 33%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
}

.skeleton-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(110deg, #eef1ef 8%, #f8faf9 18%, #eef1ef 33%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
}

.skeleton-line--sm { width: 35%; height: 10px; }
.skeleton-line--md { width: 70%; }
.skeleton-line--lg { width: 90%; height: 16px; }
.skeleton-line--price { width: 45%; height: 18px; margin-top: 4px; }

.skeleton-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 8px;
}

.skeleton-btn {
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(110deg, #eef1ef 8%, #f8faf9 18%, #eef1ef 33%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---- Product grid ---- */

.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

/* ---- States ---- */

.state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-3);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.state[hidden] {
  display: none;
}

.state__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--mint);
  color: var(--green);
}

.state h2 {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.state p {
  color: var(--muted);
  max-width: 380px;
  font-size: 0.9375rem;
  line-height: 1.55;
}

.state--error {
  border-color: #fecaca;
  background: linear-gradient(180deg, #fff 0%, #fffbfb 100%);
}

.state--error .state__icon {
  background: #fee2e2;
  color: #991b1b;
}

.state--empty .state__icon {
  background: var(--mint);
  color: var(--green-dark);
}

/* ---- Pagination ---- */

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: var(--space-4);
  padding-top: var(--space-2);
}

.pagination[hidden] {
  display: none;
}

.page-btn {
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all 0.2s ease;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--green);
  color: var(--green);
}

.page-btn.is-active {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.page-ellipsis {
  color: var(--muted);
  padding: 0 2px;
  font-size: 0.875rem;
}

/* ---- Responsive grid ---- */

@media (min-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .pagination {
    gap: 8px;
  }

  .page-btn {
    min-width: 40px;
    height: 40px;
    font-size: 0.875rem;
  }
}

@media (min-width: 900px) and (max-width: 1023px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pagination {
    justify-content: flex-end;
  }
}

@media (min-width: 1280px) {
  :root {
    --container: 1320px;
  }

  .product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}