/* ===========================================================
   Shop page — filter tabs, product grid, cart drawer.
   =========================================================== */

/* Filter tabs */
.shop__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 3rem;
}
.shop__tab {
  padding: 0.6rem 1.25rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 4px;
  color: var(--text-dim);
  transition: all 200ms var(--ease);
}
.shop__tab:hover {
  color: var(--accent-hot);
  border-color: var(--accent-hot);
}
.shop__tab.is-active {
  color: var(--accent-hot);
  border-color: var(--accent-hot);
  box-shadow: var(--shadow-glow);
}

/* Product grid */
.shop__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1024px) { .shop__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .shop__grid { grid-template-columns: 1fr; } }

.product {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid rgba(59, 130, 246, 0.18);
  border-radius: 8px;
  overflow: hidden;
  transition: all 300ms var(--ease);
}
.product:hover {
  border-color: var(--accent-hot);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}
.product__media {
  position: relative;
  overflow: hidden;
  background: var(--bg-2);
}
.product__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  filter: brightness(0.78) saturate(1.1);
  transition: transform 500ms var(--ease), filter 500ms var(--ease);
}
.product:hover .product__media img {
  transform: scale(1.05);
  filter: brightness(0.9) saturate(1.2);
}

/* Badges (Ready / Custom) */
.badge {
  display: inline-flex;
  align-items: center;
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.3rem 0.7rem;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  z-index: 1;
}
.badge--ready {
  background: rgba(59, 130, 246, 0.25);
  color: var(--accent-hot);
  border: 1px solid rgba(96, 165, 250, 0.5);
}
.badge--custom {
  background: rgba(255, 140, 60, 0.18);
  color: #fbbf77;
  border: 1px solid rgba(255, 140, 60, 0.45);
}

.product__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}
.product__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0;
  line-height: 1.3;
  background: linear-gradient(180deg, #f3f4f6, #6b7280);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.product__desc {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0;
  flex: 1;
}
.product__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.product__price {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--silver);
  font-weight: 700;
}
.product__price--quote {
  color: var(--accent-hot);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.product__cta {
  flex-shrink: 0;
  padding: 0.55rem 1rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 200ms var(--ease);
  text-decoration: none;
}
.product__cta--ready {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: #fff;
}
.product__cta--ready:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-hot));
  box-shadow: var(--shadow-glow);
  color: #fff;
}
.product__cta--custom {
  background: transparent;
  color: var(--accent-hot);
  border-color: rgba(96, 165, 250, 0.5);
}
.product__cta--custom:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: var(--accent-hot);
  box-shadow: var(--shadow-glow);
  color: var(--accent-hot);
}

/* Cart drawer */
.cart-drawer {
  position: fixed;
  top: 0; right: 0;
  height: 100vh;
  width: 420px;
  max-width: 100vw;
  background: var(--bg);
  border-left: 1px solid rgba(59, 130, 246, 0.25);
  box-shadow: -16px 0 48px rgba(0, 0, 0, 0.7);
  transform: translateX(100%);
  transition: transform 350ms var(--ease);
  z-index: 200;
  display: flex;
  flex-direction: column;
}
.cart-drawer.is-open { transform: translateX(0); }
.cart-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid rgba(59, 130, 246, 0.18);
}
.cart-drawer__head h2 { margin: 0; font-size: 1.1rem; }
.cart-drawer__close {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(96, 165, 250, 0.4);
  border-radius: 4px;
  color: var(--accent-hot);
}
.cart-drawer__close:hover {
  border-color: var(--accent-hot);
  box-shadow: var(--shadow-glow);
}
.cart-drawer__close svg { width: 18px; height: 18px; }
.cart-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.75rem;
}
.cart-drawer__empty {
  color: var(--text-dim);
  text-align: center;
  padding: 4rem 0;
  font-size: 0.95rem;
}
.cart-drawer__empty svg {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  color: var(--accent-hot);
  opacity: 0.5;
  display: block;
}

.cart-line {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 0.85rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(59, 130, 246, 0.1);
  align-items: center;
}
.cart-line__img {
  width: 64px;
  height: 64px;
  border-radius: 4px;
  overflow: hidden;
}
.cart-line__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cart-line__title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.cart-line__price { color: var(--accent-hot); font-size: 0.78rem; }
.cart-line__qty {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
}
.cart-line__qty button {
  width: 24px;
  height: 24px;
  background: transparent;
  color: var(--accent-hot);
  border: 1px solid rgba(96, 165, 250, 0.4);
  border-radius: 4px;
  font-family: var(--font-display);
}
.cart-line__qty button:hover {
  border-color: var(--accent-hot);
  box-shadow: var(--shadow-glow);
}
.cart-line__qty span {
  min-width: 24px;
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text);
}
.cart-line__remove {
  background: transparent;
  color: var(--text-dim);
  border: none;
  cursor: pointer;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--font-display);
  padding: 0.25rem 0.5rem;
  margin-left: 0.5rem;
}
.cart-line__remove:hover { color: var(--danger); }
.cart-line__lineprice {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--silver);
}

.cart-drawer__foot {
  padding: 1.5rem 1.75rem;
  border-top: 1px solid rgba(59, 130, 246, 0.18);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: rgba(8, 16, 32, 0.5);
}
.cart-drawer__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-display);
  font-size: 1.05rem;
  padding-bottom: 0.5rem;
}
.cart-drawer__total strong { color: var(--accent-hot); font-size: 1.2rem; }
.cart-drawer__note {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  text-align: center;
  padding-top: 0.5rem;
}

.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 8, 0.75);
  backdrop-filter: blur(4px);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms var(--ease);
}
.cart-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 480px) { .cart-drawer { width: 100vw; } }

/* CTA banner */
.shop__cta {
  margin-top: 4rem;
  padding: 2.5rem;
  text-align: center;
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 16px;
}
.shop__cta h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 0.5rem;
}
.shop__cta p {
  max-width: 560px;
  margin: 0 auto 1.5rem;
}

/* Catalog load states */
.shop__loading,
.shop__empty,
.shop__error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-dim);
  font-size: 0.95rem;
  border: 1px dashed rgba(96, 165, 250, 0.25);
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.04);
}
.shop__error a { color: var(--accent-hot); }

/* Product image lightbox */
.product__media { cursor: zoom-in; }

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 8, 0.93);
  backdrop-filter: blur(8px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms var(--ease);
}
.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}
.lightbox__img {
  max-width: min(92vw, 1200px);
  max-height: 88vh;
  object-fit: contain;
  border-radius: 6px;
  border: 1px solid rgba(96, 165, 250, 0.25);
  box-shadow: 0 0 80px rgba(59, 130, 246, 0.12);
  display: block;
  cursor: zoom-in;
  user-select: none;
  -webkit-user-drag: none;
}
.lightbox__hint {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  pointer-events: none;
  white-space: nowrap;
}
.lightbox__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(96, 165, 250, 0.4);
  border-radius: 4px;
  color: var(--accent-hot);
  cursor: pointer;
  transition: all 200ms var(--ease);
}
.lightbox__close:hover {
  border-color: var(--accent-hot);
  box-shadow: var(--shadow-glow);
}
.lightbox__close svg { width: 18px; height: 18px; }

/* Product image thumbnails */
.product__thumbs {
  display: flex;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  flex-wrap: wrap;
  background: rgba(10, 10, 20, 0.4);
  border-top: 1px solid rgba(59, 130, 246, 0.1);
}
.product__thumb {
  padding: 0;
  border: 2px solid transparent;
  border-radius: 4px;
  background: rgba(10, 10, 20, 0.6);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 150ms var(--ease);
  flex-shrink: 0;
}
.product__thumb img {
  display: block;
  width: 60px;
  height: 45px;
  object-fit: cover;
}
.product__thumb:hover { border-color: rgba(96, 165, 250, 0.5); }
.product__thumb.is-active { border-color: var(--accent-hot); }

/* Variant option pickers */
.product__option {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.product__option + .product__option { margin-top: 0.35rem; }
.product__option-label {
  font-family: var(--font-display);
  font-size: 0.63rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.product__option-select {
  width: 100%;
  padding: 0.38rem 0.6rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  background: rgba(10, 10, 20, 0.7);
  border: 1px solid rgba(59, 130, 246, 0.28);
  border-radius: 4px;
  color: var(--text-bright);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2360a5fa' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  padding-right: 1.8rem;
  transition: border-color 150ms var(--ease);
}
.product__option-select:hover,
.product__option-select:focus {
  border-color: var(--accent-hot);
  outline: none;
}
.product__option-select option:disabled {
  color: var(--text-dim);
  opacity: 0.5;
}

/* Variant label in cart drawer */
.cart-line__variant {
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
}

/* Fallback when a product has no featured image */
.product__media__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 3rem;
  color: rgba(96, 165, 250, 0.3);
  background: var(--bg-2);
}