/* ==========================================================================
   YEEZY RAW MINIMALIST STYLE
   ========================================================================== */

/* 1. Reset & General Variables */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* Force raw brutalist sharp edges */
  -webkit-tap-highlight-color: transparent !important;
  outline: none !important;
}

:root {
  --bg-color: #000000;
  --bg-semi: rgba(0, 0, 0, 0.85);
  --text-color: #ffffff;
  --text-muted: #aaaaaa;
  --border-color: #ffffff;
  --border-muted: #333333;
  --loading-bg: #111111;
  
  --font-mono: 'Space Mono', monospace;
  --font-sans: 'Inter', sans-serif;
  
  --header-height: 60px;
  --transition-fast: 0.15s ease-in-out;
}

:root.light-theme {
  --bg-color: #ffffff;
  --bg-semi: rgba(255, 255, 255, 0.85);
  --text-color: #000000;
  --text-muted: #666666;
  --border-color: #000000;
  --border-muted: #e0e0e0;
  --loading-bg: #f9f9f9;
}

body, html, main, #app, .view-section {
  background-color: var(--bg-color);
  color: var(--text-color);
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Base Monospace styles for numbers and labels */
.monospace {
  font-family: var(--font-mono);
}

.text-center {
  text-align: center;
}

/* 2. Global Navigation Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--bg-semi);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  transition: opacity var(--transition-fast), background-color var(--transition-fast);
}

header.hidden {
  opacity: 0;
  pointer-events: none;
}

.header-inner {
  max-width: 1600px;
  height: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -2px;
  user-select: none;
}

.logo-word {
  display: inline;
}
.logo-word:not(:last-child)::after {
  content: '\00a0';
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-item {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 1px;
  padding: 5px 0;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  transition: opacity var(--transition-fast);
}

.nav-item:hover {
  opacity: 0.6;
}

.cart-btn {
  font-weight: 700;
}

/* 3. Main Views Layout */
main {
  margin-top: 0;
  min-height: 100vh;
}

.view-section {
  min-height: 100vh;
  width: 100%;
  display: block;
  opacity: 1;
  transition: opacity var(--transition-fast);
}

.view-section.hidden {
  display: none;
  opacity: 0;
}

#view-product {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 500;
  background-color: var(--bg-semi);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

/* Apply top margin only for non-home pages when header is visible */
#view-catalog,
#view-about,
#view-contacts,
#view-order-status {
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
}

/* 4. HOME VIEW */
.home-container {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--bg-color);
}

.big-logo-btn {
  font-family: var(--font-mono);
  font-size: 96px;
  font-weight: 700;
  letter-spacing: -8px;
  text-decoration: none;
  color: var(--text-color);
  padding: 40px 80px;
  border: 4px solid var(--border-color);
  user-select: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.big-logo-btn:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
}



/* 5. CATALOG VIEW */
.catalog-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 40px;
}

.catalog-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
  margin-bottom: 40px;
}

.page-title {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 2px;
}

.catalog-filters {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

/* Products Grid (Yeezy style: default 6 columns) */
.products-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 30px 20px;
  background-color: transparent;
  border: none;
  transition: grid-template-columns 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.products-grid.grid-zoomed {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1200px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .products-grid.grid-zoomed {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .products-grid.grid-zoomed {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .products-grid.grid-zoomed {
    grid-template-columns: 1fr;
  }
}

/* Grid Zoom Toggle Button (Top-left) */
.grid-toggle-btn {
  position: absolute;
  top: calc(var(--header-height) + 20px);
  left: 40px;
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  cursor: pointer;
  z-index: 95;
  color: var(--text-color);
  line-height: 1;
  padding: 5px;
  transition: transform var(--transition-fast);
}

.grid-toggle-btn:hover {
  transform: scale(1.1);
}

@media (max-width: 600px) {
  .grid-toggle-btn {
    left: 20px;
    top: calc(var(--header-height) + 15px);
    font-size: 24px;
  }
}

/* Theme Toggle Button Icons */
.theme-toggle-btn .sun-icon {
  display: block;
}
.theme-toggle-btn .moon-icon {
  display: none;
}
.light-theme .theme-toggle-btn .sun-icon {
  display: none;
}
.light-theme .theme-toggle-btn .moon-icon {
  display: block;
}
.theme-icon {
  transition: transform var(--transition-fast);
}
.theme-toggle-btn:hover .theme-icon {
  transform: scale(1.1);
}

/* Centered categories stack menu */
.catalog-categories-container {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 50px;
  text-align: center;
  padding-top: 10px;
}

.catalog-categories-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.category-filter-item {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px 12px;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.category-filter-item.active {
  color: var(--text-color);
  font-weight: 700;
  text-decoration: underline;
}

.category-filter-item:hover {
  color: var(--text-color);
}

/* Product Card */
.product-card {
  background-color: transparent;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s ease;
}

.product-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: var(--text-color);
}

.product-card-image-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--loading-bg);
  overflow: hidden;
  position: relative;
  border-bottom: none;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.product-card-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background-color: transparent;
}

.product-card:hover .product-card-image {
  transform: scale(1.05);
}

.product-card-info {
  padding: 15px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  flex-grow: 1;
  background-color: transparent;
  z-index: 2;
  text-align: center;
}

.product-card-category {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.product-card-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
  color: var(--text-color);
}

.product-card-price {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-color);
}

/* 6. PRODUCT DETAILS VIEW (Yeezy White fullscreen slider) */
.product-detail-container {
  width: 100%;
  height: 100%;
  background: transparent;
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px;
  box-sizing: border-box;
}

/* Fixed Header actions (Back button and Cart) */
.product-detail-header-actions {
  position: absolute;
  top: 20px;
  left: 0;
  width: 100%;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 510;
}

.product-detail-back-btn,
.product-detail-cart-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.product-detail-back-btn:hover,
.product-detail-cart-btn:hover {
  opacity: 0.7;
}

/* Main Slider layout */
.product-slider-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 700px;
  flex-grow: 1;
  margin-top: 30px;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s ease;
}

.product-slider-image-container {
  position: relative;
  width: 100%;
  height: 48vh;
  overflow: hidden;
}

.product-slider-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-slide {
  min-width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
}

.product-slider-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Slider Nav Arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-color);
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 300;
  cursor: pointer;
  z-index: 505;
  padding: 20px;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  user-select: none;
}

.slider-arrow-left {
  left: -100px;
}

.slider-arrow-right {
  right: -100px;
}

@media (max-width: 900px) {
  .slider-arrow-left { left: -20px; }
  .slider-arrow-right { right: -20px; }
}

.slider-arrow:hover {
  opacity: 0.8;
  transform: translateY(-50%) scale(1.1);
}

/* Dot pagination */
.slider-dots {
  display: flex;
  gap: 8px;
  margin-top: 15px;
  margin-bottom: 15px;
  z-index: 505;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50% !important;
  background-color: #dddddd;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  border: none;
  padding: 0;
}

.slider-dot.active {
  background-color: var(--text-color);
}

/* Bottom Centered Meta details */
.product-slider-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 500px;
  z-index: 505;
  margin-top: 30px;
}

.slider-category {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #888888;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.slider-title {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 1px;
  color: var(--text-color);
}

.slider-price {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-color);
  margin-bottom: 20px;
}

/* Sizes Picker Button */
.slider-open-picker-btn {
  font-family: var(--font-mono);
  background: none;
  border: 1px solid var(--text-color);
  color: var(--text-color);
  padding: 10px 24px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 25px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.slider-open-picker-btn:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
}

/* Inline sizes picker list */
.inline-size-picker-container {
  width: 100%;
  max-width: 250px;
  margin-bottom: 25px;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  display: flex;
  justify-content: center;
}

.inline-size-picker-container.active {
  max-height: 120px;
  opacity: 1;
}

.inline-size-picker-wheel {
  width: 100%;
  height: 120px;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  padding-top: 40px;
  padding-bottom: 40px;
  box-sizing: border-box;
}

.inline-size-picker-wheel::-webkit-scrollbar {
  display: none;
}

.inline-size-picker-item {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 16px;
  color: #cccccc;
  cursor: pointer;
  scroll-snap-align: center;
  transition: all 0.2s ease;
  user-select: none;
}

.inline-size-picker-item.selected {
  color: var(--text-color);
  font-size: 20px;
  font-weight: 700;
}

/* Sizes selector inside dark view */
.slider-sizes-row {
  display: flex;
  gap: 10px;
  margin-bottom: 25px;
  flex-wrap: wrap;
  justify-content: center;
}

.slider-size-btn {
  font-family: var(--font-mono);
  background: none;
  color: var(--text-color);
  border: 1px solid var(--border-muted);
  padding: 6px 14px;
  font-size: 11px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.slider-size-btn.active {
  background-color: var(--text-color);
  color: var(--bg-color);
  border-color: var(--text-color);
  font-weight: 700;
}

/* Central Plus Add Button */
.slider-add-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-family: var(--font-mono);
  font-size: 34px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  line-height: 1;
}

.slider-add-btn .checkmark-svg {
  display: none;
  width: 24px;
  height: 24px;
  color: var(--text-color);
}

.slider-add-btn.success .btn-icon {
  display: none;
}

.slider-add-btn.success .checkmark-svg {
  display: inline-block;
}

.checkmark-check {
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: drawCheckmark 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

@keyframes drawCheckmark {
  to {
    stroke-dashoffset: 0;
  }
}

.slider-add-btn:hover {
  transform: scale(1.2);
  opacity: 0.8;
}

.slider-add-btn:active {
  transform: scale(0.9);
}

.slider-add-btn.disabled {
  opacity: 0.2;
  cursor: not-allowed;
  color: #444444;
}

.slider-add-btn.disabled:hover {
  transform: none;
  opacity: 0.2;
}


.size-btn.disabled {
  opacity: 0.3;
  text-decoration: line-through;
  cursor: not-allowed;
}

/* 7. Buttons */
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 18px 30px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
}

.btn-black {
  background-color: var(--text-color);
  color: var(--bg-color);
  border: 1px solid var(--border-color);
}

.btn-black:hover {
  background-color: var(--bg-color);
  color: var(--text-color);
}

.btn-outline {
  background-color: var(--bg-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 8. Text Blocks (About, Contacts) */
.text-block {
  max-width: 800px;
}

.text-block p {
  margin-bottom: 25px;
  font-size: 16px;
  line-height: 1.7;
  font-family: var(--font-mono);
}

.about-container,
.contacts-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 40px;
}

.about-container .page-title,
.contacts-container .page-title {
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
}

.contacts-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-row {
  display: flex;
  font-family: var(--font-mono);
  font-size: 16px;
  border-bottom: 1px dashed var(--border-muted);
  padding-bottom: 15px;
}

.contact-row .label {
  font-weight: 700;
  width: 200px;
}

.link-item {
  position: relative;
  font-weight: 700;
}

.link-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--text-color);
}

.link-item:hover::after {
  height: 2px;
}

/* 9. CART DRAWER */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  visibility: hidden;
  pointer-events: none;
}

.cart-drawer.open {
  visibility: visible;
  pointer-events: auto;
}

.cart-drawer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.18);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cart-drawer.open .cart-drawer-overlay {
  opacity: 1;
}

.cart-drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  width: 500px;
  max-width: 100%;
  height: 100%;
  background-color: var(--bg-color);
  border-left: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0,0,0,0.05);
}

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

.cart-drawer-header {
  padding: 30px 40px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-title {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
}

.close-btn {
  font-size: 32px;
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}

.cart-items-list {
  flex-grow: 1;
  overflow-y: auto;
  padding: 40px;
}

.empty-cart-msg {
  font-family: var(--font-mono);
  text-align: center;
  color: var(--text-muted);
  margin-top: 100px;
}

/* Cart Item Row */
.cart-item {
  display: flex;
  gap: 20px;
  padding-bottom: 25px;
  margin-bottom: 25px;
  border-bottom: 1px solid var(--border-muted);
}

.cart-item-img {
  width: 80px;
  height: 80px;
  background-color: var(--loading-bg);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

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

.cart-item-details {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cart-item-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.cart-item-size-row {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.cart-item-price {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  margin-top: 6px;
}

.cart-item-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
}

.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
}

.qty-btn {
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 16px;
  width: 25px;
  height: 25px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qty-btn:hover {
  background-color: var(--border-muted);
}

.qty-val {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 0 10px;
}

.remove-item-btn {
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-decoration: underline;
  cursor: pointer;
}

.remove-item-btn:hover {
  color: var(--text-color);
}

/* Cart Footer & Form */
.cart-drawer-footer {
  padding: 30px 40px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-color);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 25px;
}

/* Form inputs */
.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.form-group input,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 13px;
  padding: 10px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--text-color);
  outline: none;
}

.form-group textarea {
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-width: 2px;
}

/* 10. Order Status Page */
.order-status-container {
  max-width: 600px;
  margin: 100px auto 0;
  padding: 40px;
  border: 2px solid var(--border-color);
}

.status-title {
  margin-bottom: 20px;
  border: none;
  padding: 0;
}

#order-status-msg {
  font-size: 15px;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.order-status-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  padding: 10px 20px;
  background-color: var(--text-color);
  color: var(--bg-color);
  margin: 30px 0;
  text-transform: uppercase;
}

.back-actions {
  margin-top: 20px;
}

/* 11. Loading & Toast */
.loading-spinner {
  font-family: var(--font-mono);
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 0;
  letter-spacing: 2px;
  background-color: var(--loading-bg);
}

.toast {
  position: fixed;
  bottom: 30px;
  left: 30px;
  background-color: var(--text-color);
  color: var(--bg-color);
  padding: 15px 30px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  z-index: 1100;
  border: 1px solid var(--border-color);
  box-shadow: 5px 5px 0 rgba(0,0,0,0.15);
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
  cursor: pointer;
}

.toast:hover {
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
  border-color: var(--text-color);
}

.toast.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

/* 12. SHOPPING BAG ICON & BADGE IN HEADER */
.cart-icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  padding: 5px;
  transition: transform var(--transition-fast);
}

.cart-icon-btn:hover {
  transform: scale(1.05);
}

.cart-badge {
  position: absolute;
  top: -2px;
  right: -6px;
  background-color: var(--text-color);
  color: var(--bg-color);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50% !important;
}

/* Theme overrides for cart button inside dark/light pages */
#view-product .cart-icon-btn,
#view-checkout .cart-icon-btn {
  color: var(--text-color);
}

/* 13. CENTERED "ELOCHKA" CATEGORY MENUS */
.category-row {
  display: flex;
  gap: 25px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 14. FULLSCREEN CHECKOUT */
.checkout-fullscreen-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-color);
  color: var(--text-color);
  z-index: 600;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.checkout-header-actions {
  height: 70px;
  border-bottom: 1px solid var(--border-muted);
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 610;
  flex-shrink: 0;
}

.checkout-back-btn,
.checkout-cart-icon-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 24px;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.checkout-back-btn:hover,
.checkout-cart-icon-btn:hover {
  opacity: 0.7;
}

.checkout-brand-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

/* Two-column layout grid */
.checkout-layout-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  flex-grow: 1;
  overflow: hidden;
  height: calc(100vh - 70px);
}

@media (max-width: 900px) {
  .checkout-layout-grid {
    grid-template-columns: 1fr;
    overflow-y: auto;
    height: calc(100vh - 70px);
  }
}

.checkout-left-panel {
  padding: 60px 80px;
  overflow-y: auto;
  border-right: 1px solid var(--border-muted);
}

.checkout-right-panel {
  padding: 60px 80px;
  background-color: var(--loading-bg);
  overflow-y: auto;
}

@media (max-width: 1200px) {
  .checkout-left-panel,
  .checkout-right-panel {
    padding: 40px;
  }
}

/* Form groups and sections */
.checkout-section-group {
  margin-bottom: 45px;
}

.checkout-section-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--text-color);
  text-transform: uppercase;
}

.checkout-input-group input {
  width: 100%;
  background: none;
  border: 1px solid var(--border-muted);
  color: var(--text-color);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.checkout-input-group input:focus {
  border-color: var(--border-color);
}

.checkout-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 15px;
  font-size: 10px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  font-family: var(--font-mono);
}

.checkout-checkbox-label input {
  accent-color: var(--text-color);
}

.checkout-form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.checkout-form-group label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}

.checkout-form-group input {
  background: none;
  border: 1px solid var(--border-muted);
  color: var(--text-color);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.checkout-form-group input:focus {
  border-color: var(--border-color);
}

.checkout-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 480px) {
  .checkout-form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* Payments Info Box */
.checkout-payments-info-box {
  background-color: var(--bg-color);
  border: 1px solid var(--border-muted);
  padding: 20px;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 25px;
  line-height: 1.6;
  font-family: var(--font-mono);
}

.checkout-payment-method-card {
  display: flex;
  gap: 15px;
  border: 1px solid var(--border-muted);
  padding: 15px 20px;
  background-color: var(--loading-bg);
  align-items: center;
  transition: border-color var(--transition-fast);
}

.checkout-payment-method-card.active {
  border-color: var(--border-color);
  background-color: var(--bg-color);
  cursor: pointer;
}

.checkout-payment-method-card.disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.checkout-payment-method-card .card-icon {
  font-size: 20px;
}

.checkout-payment-method-card .card-desc {
  display: flex;
  flex-direction: column;
}

.checkout-payment-method-card .card-type {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-color);
}

.checkout-payment-method-card .card-networks {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  margin-top: 2px;
}

.checkout-pay-now-btn {
  margin-top: 20px;
  padding: 18px 0;
}

/* Right Panel: Order summaries */
.checkout-summary-scroll {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.checkout-summary-items-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-height: 40vh;
  overflow-y: auto;
  border-bottom: 1px solid var(--border-muted);
  padding-bottom: 20px;
}

.checkout-summary-item {
  display: flex;
  gap: 15px;
  align-items: center;
}

.checkout-summary-item img {
  width: 55px;
  height: 55px;
  object-fit: cover;
  border: 1px solid var(--border-muted);
  background-color: var(--bg-color);
}

.checkout-summary-item-details {
  flex-grow: 1;
  display: flex;
  justify-content: space-between;
}

.checkout-summary-item-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-color);
}

.checkout-summary-item-qty {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

.checkout-summary-item-price {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-color);
}

/* Pricing summary rows */
.checkout-pricing-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkout-price-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.checkout-total-row {
  color: var(--text-color);
  font-size: 14px;
  font-weight: 700;
  border-top: 1px dashed var(--border-muted);
  padding-top: 12px;
  margin-top: 5px;
}

/* Promo Row */
.checkout-promo-row {
  margin-top: 15px;
}

.promo-link {
  font-family: var(--font-mono);
  font-size: 11px;
  text-decoration: underline;
  cursor: pointer;
  color: var(--text-muted);
}

.promo-link:hover {
  color: var(--text-color);
}

.promo-input-field {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.promo-input-field input {
  background: none;
  border: 1px solid var(--border-muted);
  color: var(--text-color);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  outline: none;
  flex-grow: 1;
}

.promo-input-field button {
  background: var(--text-color);
  color: var(--bg-color);
  border: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 0 15px;
  cursor: pointer;
}

/* Vertical Slide Animations for swapping products */
@keyframes slideDownUnfold {
  0% {
    opacity: 0;
    transform: translateY(-80px) scaleY(0.95);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scaleY(1);
  }
}

.catalog-slide-down {
  animation: slideDownUnfold 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transform-origin: top center;
}

.product-slider-wrapper.slide-up-out {
  transform: translateY(-80px) scale(0.98);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.product-slider-wrapper.slide-up-in {
  transform: translateY(80px) scale(0.98);
  opacity: 0;
  transition: none;
}

.product-slider-wrapper.slide-down-out {
  transform: translateY(80px) scale(0.98);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.product-slider-wrapper.slide-down-in {
  transform: translateY(-80px) scale(0.98);
  opacity: 0;
  transition: none;
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVE ADAPTATIONS
   ========================================================================== */

@media (max-width: 768px) {
  /* Navigation header on mobile */
  .header-inner {
    padding: 0 10px;
  }
  .logo-link {
    font-size: 11px;
    letter-spacing: -0.5px;
    display: flex !important;
    flex-direction: column !important;
    line-height: 0.95 !important;
    align-items: center !important;
    text-align: center !important;
  }
  .logo-link .logo-word {
    display: block !important;
  }
  .logo-link .logo-word:not(:last-child)::after {
    content: '' !important;
  }
  
  .nav-links {
    gap: 6px;
    margin: 0 auto;
  }
  .nav-item {
    font-size: 9px;
    letter-spacing: 0.2px;
    white-space: nowrap;
  }
  .theme-toggle-btn {
    font-size: 10px !important;
    padding: 3px !important;
  }
  
  .big-logo-btn {
    display: flex !important;
    flex-direction: column !important;
    line-height: 0.95 !important;
    align-items: center !important;
    text-align: center !important;
    font-size: 40px !important;
    letter-spacing: -3px !important;
    padding: 20px 30px !important;
    border-width: 3px !important;
  }
  .big-logo-btn .logo-word {
    display: block !important;
  }
  .big-logo-btn .logo-word:not(:last-child)::after {
    content: '' !important;
  }

  /* Catalog grid toggle positioning */
  .grid-toggle-btn {
    left: 15px;
    font-size: 20px;
    top: calc(var(--header-height) + 10px);
  }

  /* Product details scrollable overlay on mobile */
  #view-product {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow-y: auto !important;
    background-color: var(--bg-color);
  }
  .product-detail-container {
    padding: 20px 15px 80px 15px;
    min-height: 100%;
    justify-content: flex-start;
  }
  .product-slider-wrapper {
    margin-top: 50px;
    height: auto;
    flex-grow: 0;
  }
  .product-slider-image-container {
    height: 38vh;
  }
  .slider-arrow {
    font-size: 24px;
    padding: 10px;
  }
  .slider-arrow-left {
    left: -5px;
  }
  .slider-arrow-right {
    right: -5px;
  }
  .product-slider-meta {
    padding: 0 10px;
  }
}

@media (max-width: 900px) {
  /* Checkout page layout stacking */
  .checkout-layout-grid {
    grid-template-columns: 1fr;
    overflow-y: auto;
    height: calc(100vh - 70px);
  }
  .checkout-left-panel,
  .checkout-right-panel {
    overflow-y: visible;
    padding: 30px 20px;
  }
  .checkout-left-panel {
    border-right: none;
    border-bottom: 1px solid var(--border-muted);
  }
}

@media (max-width: 480px) {
  /* Cart Drawer adjustments */
  .cart-drawer-header {
    padding: 20px 15px;
  }
  .cart-items-list {
    padding: 20px 15px;
  }
}

/* Interactive elements springy micro-feedbacks */
button, 
.btn-black, 
.btn-outline, 
.category-filter-item, 
.nav-item, 
.cart-icon-btn, 
.grid-toggle-btn, 
.theme-toggle-btn,
.product-card-link,
.slider-arrow,
.slider-dot,
.inline-size-picker-item,
.checkout-back-btn,
.checkout-cart-icon-btn,
.checkout-payment-method-card,
.checkout-pay-now-btn {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), 
              background-color 0.2s ease, 
              color 0.2s ease, 
              opacity 0.2s ease, 
              border-color 0.2s ease !important;
}

button:active, 
.btn-black:active, 
.btn-outline:active, 
.category-filter-item:active, 
.nav-item:active, 
.cart-icon-btn:active, 
.grid-toggle-btn:active, 
.theme-toggle-btn:active,
.product-card-link:active,
.slider-arrow:active,
.inline-size-picker-item:active,
.checkout-back-btn:active,
.checkout-cart-icon-btn:active,
.checkout-payment-method-card:active,
.checkout-pay-now-btn:active {
  transform: scale(0.96) !important;
}