:root {
  --bg: #0d0f14;
  --surface: #161a22;
  --border: #2a3140;
  --text: #e8ecf4;
  --muted: #9aa3b5;
  --accent: #7c5cff;
  --accent-dim: #5a3fd4;
  --danger: #f87171;
  --nav-control-height: 2.75rem;
  --cart-badge-bg: #dc2626;
  --cart-badge-bg-has-items: #16a34a;
  --cart-badge-fg: #fff;
}

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

  .nav-cart.nav-cart-shake,
  .nav-cart.nav-cart-shake .badge {
    animation: none !important;
  }
}

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

html {
  scroll-padding-top: calc(6rem + env(safe-area-inset-top, 0px));
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, "Segoe UI", Roboto, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  z-index: 300;
}
.skip-link:focus { left: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 1.25rem;
  padding: calc(1rem + env(safe-area-inset-top, 0px)) 1.25rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-logo { flex-shrink: 0; }

.site-header .brand {
  align-self: center;
}

.brand-text { font-weight: 700; letter-spacing: 0.02em; }
.brand-name { color: var(--accent); }
.brand-sub { color: var(--muted); font-weight: 500; font-size: 0.95em; }

.nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 1rem 1.25rem;
  align-items: flex-end;
  min-width: 0;
}

.nav-tabs {
  display: inline-flex;
  align-items: stretch;
  gap: 2px;
  min-width: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.nav-tab {
  position: relative;
  z-index: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: var(--nav-control-height);
  box-sizing: border-box;
  padding: 0.55rem 1.25rem;
  margin-bottom: -1px;
  border-radius: 10px 10px 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  color: var(--muted);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.nav-tab:hover:not(.nav-tab-active) {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}
.nav-tab:focus-visible {
  color: var(--text);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  z-index: 2;
}

.nav-tab-active {
  z-index: 1;
  color: var(--text);
  font-weight: 700;
  background: var(--bg);
  border-color: var(--border);
  border-bottom: 1px solid var(--bg);
  box-shadow: 0 -1px 0 rgba(124, 92, 255, 0.35) inset;
}

.nav-cart {
  flex-shrink: 0;
  align-self: flex-end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: var(--nav-control-height);
  box-sizing: border-box;
  padding: 0 0.65rem;
  border-radius: 8px;
  border: 1px solid rgba(124, 92, 255, 0.4);
  color: #c9b8ff;
  background: rgba(124, 92, 255, 0.12);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.nav-cart:hover:not(.nav-cart-active) {
  color: #f4f2ff;
  background: rgba(124, 92, 255, 0.22);
  border-color: rgba(168, 140, 255, 0.65);
}
.nav-cart:focus-visible {
  color: #f4f2ff;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-cart-active {
  color: #f4f2ff;
  font-weight: 600;
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.5) 0%, rgba(124, 92, 255, 0.18) 100%);
  border-color: rgba(168, 140, 255, 0.85);
  box-shadow:
    0 0 0 1px rgba(124, 92, 255, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.badge {
  display: inline-block;
  min-width: 1.25rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--cart-badge-bg);
  color: var(--cart-badge-fg);
  font-size: 0.75rem;
  text-align: center;
}

.nav-cart.cart-has-items .badge {
  background: var(--cart-badge-bg-has-items);
  color: var(--cart-badge-fg);
}

@keyframes cartShake {
  0%, 100% { transform: translateX(0); }
  18% { transform: translateX(-5px); }
  38% { transform: translateX(4px); }
  58% { transform: translateX(-3px); }
  78% { transform: translateX(1px); }
}

@keyframes badgeShake {
  0%, 100% { transform: rotate(0deg) scale(1); }
  22% { transform: rotate(-6deg) scale(1.04); }
  44% { transform: rotate(5deg) scale(1.05); }
  66% { transform: rotate(-3deg) scale(1.03); }
  88% { transform: rotate(1deg) scale(1.01); }
}

.nav-cart.nav-cart-shake {
  animation: cartShake 0.52s ease-out;
}

.nav-cart.nav-cart-shake .badge {
  animation: badgeShake 0.52s ease-out;
  transform-origin: center;
}

@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    padding: calc(1rem + env(safe-area-inset-top, 0px)) 1rem 0;
  }

  .site-header .brand {
    align-self: flex-start;
  }

  .nav {
    flex-wrap: nowrap;
    align-items: flex-end;
    gap: 0.35rem 0.45rem;
    width: 100%;
  }

  .nav-tabs {
    display: flex;
    flex: 1 1 auto;
    flex-wrap: nowrap;
    min-width: 0;
  }

  .nav-tab {
    flex: 1 1 0;
    min-width: 0;
    min-height: var(--nav-control-height);
    padding: 0.45rem 0.35rem;
    font-size: clamp(0.72rem, 3.2vw, 0.95rem);
  }

  .nav-cart {
    flex-shrink: 0;
    align-self: flex-end;
    min-height: var(--nav-control-height);
    padding: 0 0.45rem;
    font-size: clamp(0.72rem, 3vw, 0.85rem);
  }
}

.main {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.view-transition {
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

h1 { font-size: 1.75rem; margin: 0 0 1rem; }

.catalog-filters-panel {
  margin-bottom: 1.25rem;
}
.catalog-filters-panel > summary {
  list-style: none;
}
.catalog-filters-panel > summary::-webkit-details-marker {
  display: none;
}
.catalog-filters-summary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.4rem 0;
  user-select: none;
}
.catalog-filters-summary:hover .catalog-filters-summary-text {
  text-decoration: underline;
}
.catalog-filters-summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
.catalog-filters-summary::after {
  content: "";
  display: inline-block;
  width: 0.45em;
  height: 0.45em;
  margin-left: 0.15em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-0.1em);
  transition: transform 0.2s ease;
}
.catalog-filters-panel[open] .catalog-filters-summary::after {
  transform: rotate(225deg) translateY(0.05em);
}
.catalog-filters-active-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.35rem;
  height: 1.35rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  background: var(--accent);
  color: #fff;
}

.catalog-filters {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  align-items: end;
  margin-top: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}
.catalog-filters label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.catalog-filters label span { font-weight: 500; }
.catalog-filters input {
  font: inherit;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  min-width: 0;
}
.catalog-filters input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.catalog-filters-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  grid-column: 1 / -1;
}

.card-meta {
  margin: 0 0 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  background: var(--surface);
}

.card h2 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.card .price { color: var(--accent); font-weight: 600; }
.card .price-exclusive { color: var(--muted); font-weight: 500; font-size: 0.95rem; }
.card .desc { color: var(--muted); font-size: 0.9rem; margin: 0 0 0.75rem; }

.license-pick {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  margin: 0.75rem 0 0;
  background: rgba(0, 0, 0, 0.15);
}
.license-pick legend {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0 0.25rem;
}
.license-option {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 0.4rem;
  cursor: pointer;
  font-size: 0.9rem;
}
.license-option:first-of-type { margin-top: 0.35rem; }
.license-option input {
  margin-top: 0.2rem;
  accent-color: var(--accent);
}
.license-option-price { color: var(--accent); font-weight: 600; }
.license-option-disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
  align-items: stretch;
}
.card-actions button {
  flex: 1 1 auto;
  min-width: 120px;
}

.cart-table-wrap {
  overflow-x: auto;
  margin: 0 0 1.25rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}
.cart-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.cart-table th,
.cart-table td {
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.cart-table thead th {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.cart-table tbody tr:last-child td {
  border-bottom: 1px solid var(--border);
}
.cart-table tfoot td,
.cart-table tfoot th {
  border-bottom: none;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.cart-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.cart-lic-short,
.cart-th-lic-short {
  display: none;
}
@media (max-width: 520px) {
  .cart-lic-long,
  .cart-th-lic-long {
    display: none;
  }
  .cart-lic-short,
  .cart-th-lic-short {
    display: inline;
  }
  .cart-col-license {
    max-width: 3.25rem;
    white-space: nowrap;
  }
  .cart-table th,
  .cart-table td {
    padding: 0.5rem 0.4rem;
  }
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.cart-menu {
  position: relative;
  display: inline-flex;
  justify-content: flex-end;
  width: 100%;
}
.cart-menu-trigger {
  padding: 0.3rem 0.45rem;
  min-width: 2.25rem;
  min-height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.cart-menu-trigger svg {
  display: block;
}
.cart-menu-popup {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 0.2rem;
  z-index: 20;
  min-width: 11rem;
  list-style: none;
  margin: 0;
  padding: 0.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}
.cart-menu-popup li {
  margin: 0;
}
.cart-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  cursor: pointer;
  text-align: left;
}
.cart-menu-item:hover,
.cart-menu-item:focus-visible {
  background: rgba(124, 92, 255, 0.15);
  outline: none;
}
.cart-menu-item svg {
  flex-shrink: 0;
  color: var(--danger);
}
.cart-th-action-icon {
  display: inline-flex;
  vertical-align: middle;
  opacity: 0.55;
}
.cart-th-action-icon svg {
  display: block;
}

.cart-col-action {
  width: 1%;
  white-space: nowrap;
  text-align: right;
}
.cart-total-label {
  font-weight: 600;
  text-align: right;
}
.cart-total {
  font-weight: 700;
  color: var(--accent);
}

button, .btn {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  display: inline-block;
}
button:hover, .btn:hover { background: var(--accent-dim); }
button:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn-checkout {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.btn-checkout-icon {
  display: inline-flex;
  line-height: 0;
}
.btn-checkout-icon svg {
  width: 1.15em;
  height: 1.15em;
}

button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.site-footer {
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--border);
}

.help-blocks { display: grid; gap: 1rem; }
.help-blocks section {
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.empty-state { color: var(--muted); padding: 2rem; text-align: center; }

audio { width: 100%; margin-top: 0.5rem; }