/* ============================================
   Bitxo — Tienda (Shop) Styles
   ============================================ */

/* ---- Shop Header ---- */
.shop-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  padding: 0 32px;
  box-shadow: var(--shadow-sm);
}

.shop-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.shop-logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

/* ---- Category Navigation ---- */
.shop-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.shop-nav-link {
  padding: 8px 18px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-gray-700);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-normal);
  white-space: nowrap;
  cursor: pointer;
  border: none;
  background: none;
}

.shop-nav-link:hover {
  color: var(--color-primary);
  background: rgba(196, 30, 30, 0.06);
}

.shop-nav-link.active {
  color: var(--color-white);
  background: var(--color-primary);
  box-shadow: 0 2px 10px var(--color-primary-glow);
}

/* ---- Cart Button ---- */
.cart-toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-gray-700);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid var(--color-gray-100);
  background: var(--color-white);
  flex-shrink: 0;
}

.cart-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(196, 30, 30, 0.04);
}

.cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-bounce);
  box-shadow: 0 2px 8px var(--color-primary-glow);
}

.cart-count.empty {
  transform: scale(0);
}

.cart-count.pulse {
  animation: cart-pulse 0.4s ease;
}

@keyframes cart-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.4); }
  100% { transform: scale(1); }
}

/* ---- Mobile Menu Toggle ---- */
.mobile-menu-toggle {
  display: none;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--color-gray-700);
}

.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  border-radius: 2px;
  transition: all var(--transition-normal);
}

/* ---- Main Content ---- */
.shop-main {
  padding-top: calc(var(--header-height) + 24px);
  min-height: 100vh;
}

/* ---- Hero Banner ---- */
.shop-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 30%, var(--color-primary-light) 60%, var(--color-primary-dark) 100%);
  background-size: 300% 300%;
  color: var(--color-white);
  padding: 48px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 40px;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  animation: hero-gradient-shift 15s ease infinite;
}

@keyframes hero-gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.shop-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/logo-pattern.jpg');
  background-size: 300px;
  background-repeat: repeat;
  opacity: 0.08;
  animation: pattern-drift 40s linear infinite;
}

@keyframes pattern-drift {
  0% { transform: translate(0, 0) rotate(-5deg); }
  100% { transform: translate(-150px, -150px) rotate(-5deg); }
}

.shop-hero h1 {
  position: relative;
  z-index: 1;
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: 8px;
}

.shop-hero p {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
}

/* ---- Product Grid ---- */
.products-section {
  padding: 0 32px 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

/* ---- Product Card ---- */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  border-color: transparent;
}

.product-card-image {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--color-gray-100);
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
  transform: scale(1.06);
}

.product-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}

.product-card-quick {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 2;
}

.product-card:hover .product-card-quick {
  opacity: 1;
  transform: translateY(0);
}

.product-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.product-card-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.product-card-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-black);
  line-height: 1.3;
}

.product-card-desc {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  line-height: 1.5;
  flex: 1;
}

.product-card-colors {
  display: flex;
  gap: 6px;
  align-items: center;
}

.product-card-colors .mini-swatch {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 1px var(--color-gray-300);
  transition: all var(--transition-fast);
  padding: 0;
  cursor: pointer;
  outline: none;
}

.product-card-colors .mini-swatch:hover,
.product-card-colors .mini-swatch.active {
  transform: scale(1.25);
}

.product-card-colors .mini-swatch.active {
  box-shadow: 0 0 0 2px var(--color-primary);
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.product-card-price {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-black);
}

.product-card-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-bounce);
  box-shadow: var(--shadow-sm);
}

.product-card-btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.1);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.product-card-btn:active {
  transform: scale(0.95);
}

.product-card-btn svg {
  width: 18px;
  height: 18px;
}

/* Unavailable product */
.product-card.unavailable {
  opacity: 0.75;
}

.product-card.unavailable .product-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
}

.product-card.unavailable .product-card-btn {
  background: var(--color-gray-300);
  cursor: not-allowed;
}

/* ---- Product Detail Modal ---- */
.product-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  z-index: 1150;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.product-modal-overlay.open {
  display: flex;
}

.product-modal {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.product-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  z-index: 10;
  transition: all var(--transition-fast);
  font-size: 1.2rem;
  color: var(--color-gray-700);
}

.product-modal-close:hover {
  background: var(--color-primary);
  color: white;
}

.product-modal-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.product-modal-image {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
  background: var(--color-gray-100);
}

.product-modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-modal-info {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-modal-info h2 {
  font-size: 1.5rem;
  color: var(--color-black);
}

.product-modal-info .price {
  font-size: 2rem;
}

/* Size selector */
.size-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.size-btn {
  min-width: 48px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-gray-300);
  background: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-gray-700);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
}

.size-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.size-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* Quantity */
.quantity-selector {
  display: flex;
  align-items: center;
  gap: 0;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: fit-content;
}

.quantity-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-100);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-gray-700);
  transition: background var(--transition-fast);
}

.quantity-btn:hover {
  background: var(--color-gray-300);
}

.quantity-value {
  width: 50px;
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  outline: none;
  background: white;
}

/* ---- Cart Sidebar ---- */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.cart-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 90vw;
  height: 100vh;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  z-index: var(--z-cart);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
  border-left: 1px solid var(--glass-border);
}

.cart-sidebar.open {
  transform: translateX(0);
}

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  border-bottom: 1px solid var(--color-gray-100);
  flex-shrink: 0;
}

.cart-header h3 {
  font-size: 1.3rem;
  color: var(--color-black);
}

.cart-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 1.1rem;
  color: var(--color-gray-700);
  transition: all var(--transition-fast);
}

.cart-close:hover {
  background: var(--color-primary);
  color: white;
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 16px 24px;
}

.cart-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-gray-500);
}

.cart-empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.3;
}

.cart-item {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-gray-100);
  align-items: start;
}

.cart-item-image {
  width: 70px;
  height: 85px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-gray-100);
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-info h4 {
  font-size: 0.9rem;
  color: var(--color-black);
  margin-bottom: 4px;
}

.cart-item-info p {
  font-size: 0.78rem;
  color: var(--color-gray-500);
}

.cart-item-info .cart-item-price {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-black);
  font-size: 0.95rem;
  margin-top: 6px;
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--color-gray-300);
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition-fast);
  font-size: 1.2rem;
}

.cart-item-remove:hover {
  color: var(--color-primary);
}

.cart-footer {
  border-top: 1px solid var(--color-gray-100);
  padding: 24px;
  flex-shrink: 0;
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.cart-total-label {
  font-weight: 600;
  color: var(--color-gray-700);
}

.cart-total-price {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-black);
}

.cart-shipping-note {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  margin-bottom: 16px;
  text-align: center;
}

.cart-whatsapp-btn {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
}

.cart-whatsapp-btn svg {
  width: 20px;
  height: 20px;
}

.cart-clear-btn {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--color-gray-500);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: color var(--transition-fast);
}

.cart-clear-btn:hover {
  color: var(--color-primary);
}

/* ---- "Quiénes Somos" Section (in shop) ---- */
.shop-about-section {
  background: var(--color-off-white);
  padding: 80px 32px;
  text-align: center;
  margin-top: 60px;
}

.shop-about-inner {
  max-width: 700px;
  margin: 0 auto;
}

.shop-about-inner h2 {
  margin-bottom: 24px;
}

.shop-about-inner p {
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ---- Empty State ---- */
.no-products {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--color-gray-500);
}

.no-products-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.3;
}

/* ---- Responsive Shop ---- */
@media (max-width: 1024px) {
  .shop-nav {
    display: none;
  }

  .shop-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 16px;
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    z-index: 999;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
  }

  .product-modal-content {
    grid-template-columns: 1fr;
  }

  .product-modal-image {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: 300px;
  }
}

@media (max-width: 768px) {
  .shop-header {
    padding: 0 16px;
  }

  .products-section {
    padding: 0 16px 40px;
  }

  .shop-hero {
    padding: 32px 20px;
    margin-bottom: 24px;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
  }

  .product-card-body {
    padding: 14px;
    gap: 6px;
  }

  .product-card-name {
    font-size: 0.95rem;
  }

  .product-card-desc {
    display: none;
  }

  .product-card-price {
    font-size: 1.1rem;
  }

  .product-card-btn {
    width: 36px;
    height: 36px;
  }

  .cart-sidebar {
    width: 100%;
    max-width: 100vw;
  }

  .product-modal-info {
    padding: 24px 20px;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .product-card-body {
    padding: 10px;
  }
}