/* ============================================
   Store Page Styles
   ============================================ */

/* Store Header */
.store-header {
  text-align: center;
  padding: 140px var(--space-margin-desktop) 48px;
}

@media (max-width: 768px) {
  .store-header {
    padding: 120px var(--space-margin-mobile) 32px;
  }
}

.store-header__title {
  font-family: var(--font-headline);
  font-size: var(--text-headline-lg-size);
  font-weight: var(--text-headline-lg-weight);
  letter-spacing: var(--text-headline-lg-tracking);
  text-transform: uppercase;
  color: var(--color-on-surface);
  margin-bottom: 16px;
}

.store-header__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-body-lg-size);
  line-height: var(--text-body-lg-line);
  color: var(--color-on-surface-variant);
  max-width: 600px;
  margin: 0 auto;
}

/* Store Tabs */
.store-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 0 var(--space-margin-desktop) 48px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .store-tabs {
    padding: 0 var(--space-margin-mobile) 32px;
  }
}

.store-tab {
  font-family: var(--font-headline);
  font-size: var(--text-label-size);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  padding: 10px 24px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.store-tab:hover {
  border-color: var(--color-primary-container);
  color: var(--color-primary);
}

.store-tab.active {
  color: var(--color-primary);
  border-color: var(--color-primary-container);
  background: rgba(0, 229, 255, 0.08);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.15);
}

.store-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary-container);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
}

/* Product Grid */
.store-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-margin-desktop) 96px;
}

@media (max-width: 1024px) {
  .store-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

@media (max-width: 768px) {
  .store-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 0 var(--space-margin-mobile) 64px;
  }
}

@media (max-width: 540px) {
  .store-grid {
    grid-template-columns: 1fr;
  }
}

/* Product Card */
.product-card {
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--color-primary-container);
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}

.product-card__image {
  width: 100%;
  height: 240px;
  position: relative;
  overflow: hidden;
}

.product-card__image-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6) saturate(0.9);
  transition: all 0.4s ease;
}

.product-card__placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--color-primary);
  background: rgba(0, 229, 255, 0.08);
  font-family: var(--font-headline);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0;
  opacity: 0;
  z-index: 1;
  transition: all 0.3s ease;
}

.product-card__image--no-icon .product-card__placeholder {
  opacity: 1;
}

.product-card__icon-img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  object-fit: contain;
  z-index: 2;
  filter: drop-shadow(0 0 12px rgba(0, 229, 255, 0.3));
  transition: all 0.4s ease;
}

.product-card__icon-img.is-hidden {
  display: none;
}

.product-card:hover .product-card__icon-img {
  transform: translate(-50%, -50%) scale(1.1);
  filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.5));
}

.product-card:hover .product-card__image--no-icon .product-card__placeholder {
  transform: translate(-50%, -50%) scale(1.06);
  box-shadow: 0 0 22px rgba(0, 229, 255, 0.2);
}

.product-card:hover .product-card__image-bg {
  filter: brightness(0.75) saturate(1);
  transform: scale(1.05);
}

.product-card__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, var(--color-surface-container) 100%);
  z-index: 3;
}

.product-card__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--font-headline);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  padding: 4px 12px;
  border: 1px solid;
  z-index: 4;
}

.product-card__badge--premium {
  color: var(--color-primary);
  border-color: var(--color-primary-container);
  background: rgba(0, 229, 255, 0.1);
}

.product-card__badge--titan {
  color: #fbbf24;
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
}

.product-card__badge--utility {
  color: var(--color-secondary);
  border-color: var(--color-outline);
  background: rgba(168, 180, 192, 0.08);
}

.product-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__name {
  font-family: var(--font-headline);
  font-size: var(--text-headline-md-size);
  font-weight: var(--text-headline-md-weight);
  color: var(--color-on-surface);
  margin-bottom: 8px;
}

.product-card__desc {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-on-surface-variant);
  margin-bottom: 20px;
  flex: 1;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-card__price {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
}

.product-card__price-currency {
  font-size: 0.875rem;
  font-weight: 600;
  opacity: 0.7;
}

.product-card__buy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  font-family: var(--font-headline);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: transparent;
  border: 1px solid var(--color-primary-container);
  cursor: pointer;
  transition: all 0.2s ease;
}

.product-card__buy:hover {
  background: linear-gradient(135deg, var(--color-primary-container), var(--color-on-primary));
  color: var(--color-on-primary);
  box-shadow: var(--glow-primary);
}

.product-card__buy svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* Hidden tab panels */
.store-panel {
  display: none;
}

.store-panel.active {
  display: block;
}

/* Store Filters */
.store-filters {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-margin-desktop) 24px;
}

.store-filter-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 12px;
}

.store-filter {
  display: flex;
  align-items: center;
  min-width: 0;
}

.store-filter--sort {
  justify-content: flex-end;
}

.store-filter__label {
  font-family: var(--font-headline);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  margin-right: 10px;
}

.store-filter__input,
.store-filter__select {
  width: 100%;
  font-family: var(--font-body);
  border: 1px solid var(--color-outline-variant);
  background: var(--color-surface-container);
  color: var(--color-on-surface);
  padding: 10px 12px;
}

.store-filter__input:focus,
.store-filter__select:focus {
  outline: none;
  border-color: var(--color-primary-container);
  box-shadow: var(--glow-primary);
}

.store-empty {
  text-align: center;
  font-family: var(--font-body);
  color: var(--color-on-surface-variant);
  margin: 0 auto;
  padding: 0 var(--space-margin-desktop) 96px;
}

/* Checkout */
.store-checkout {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(2, 8, 16, 0.78);
}

.store-checkout.active {
  display: flex;
}

.store-checkout__dialog {
  width: min(560px, 100%);
  max-height: min(760px, 92vh);
  overflow: auto;
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  box-shadow: var(--glow-primary);
  padding: 24px;
}

.store-checkout__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.store-checkout__header h2 {
  font-family: var(--font-headline);
  font-size: 1.35rem;
  text-transform: uppercase;
  color: var(--color-on-surface);
}

.store-checkout__close {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-outline-variant);
  background: transparent;
  color: var(--color-on-surface);
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
}

.store-checkout__items {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.store-checkout__item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface);
}

.store-checkout__item button {
  border: 1px solid var(--color-outline-variant);
  background: transparent;
  color: var(--color-on-surface-variant);
  padding: 6px 10px;
  cursor: pointer;
}

.store-checkout__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 18px 0;
}

.store-checkout__fields label {
  display: grid;
  gap: 6px;
  font-family: var(--font-headline);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

.store-checkout__fields input,
.store-checkout__fields select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--color-outline-variant);
  background: rgba(0, 0, 0, 0.18);
  color: var(--color-on-surface);
  padding: 10px 12px;
  font-family: var(--font-body);
}

.store-checkout__coupon {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.store-checkout__coupon input {
  flex: 1;
  min-height: 42px;
  border: 1px solid var(--color-outline-variant);
  background: rgba(0, 0, 0, 0.18);
  color: var(--color-on-surface);
  padding: 10px 12px;
  font-family: var(--font-body);
  text-transform: uppercase;
}

.store-checkout__coupon button {
  border: 1px solid var(--color-outline-variant);
  background: transparent;
  color: var(--color-on-surface);
  padding: 0 16px;
  cursor: pointer;
  font-family: var(--font-headline);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.store-checkout__coupon button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.store-checkout__discount {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  color: var(--color-on-surface);
  font-family: var(--font-headline);
}

.store-checkout__discount strong {
  color: #4ade80;
}

.store-checkout__total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  color: var(--color-on-surface);
  font-family: var(--font-headline);
}

.store-checkout__total strong {
  color: var(--color-primary);
  font-size: 1.25rem;
}

.store-checkout__message {
  min-height: 22px;
  margin-bottom: 12px;
  color: var(--color-secondary);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.store-checkout__message--error {
  color: #f87171;
}

.store-checkout__paypal {
  min-height: 48px;
}

@media (max-width: 768px) {
  .store-filters {
    padding: 0 var(--space-margin-mobile) 20px;
  }

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

  .store-filter--sort {
    justify-content: stretch;
  }

  .store-checkout {
    align-items: flex-end;
    padding: 0;
  }

  .store-checkout__dialog {
    width: 100%;
    max-height: 90vh;
    padding: 20px;
  }

  .store-checkout__fields {
    grid-template-columns: 1fr;
  }
}