/* Base styles and variables */
:root {
  --primary-color: #fff;
  --secondary-color: #ccc;
  --accent-color: #d01818;
  --background-color: #000;
  --border-color: #111;
  --text-color: #ccc;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --max-width: 1400px;
  --sidebar-width: 240px;
  --header-height: 80px;
  --font-family: 'Maven Pro', sans-serif;
}

/* Reset and base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  color: var(--text-color);
  line-height: 1.6;
  background: var(--background-color);
}

/* Layout */
.page-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
  flex: 1;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--spacing-md);
}

.header a img {
  object-fit: cover;
  max-width: 1080px;
  width: 100%;
  height: auto;
}

/* Main content area */
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
}

@media (min-width: 768px) {
  .content-wrapper {
    flex-direction: row;
  }
}

/* Sidebar Navigation */
.sidenav {
  width: 100%;
}

@media (min-width: 768px) {
  .sidenav {
    width: var(--sidebar-width);
    flex-shrink: 0;
  }
}

.sidenav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.sidenav-list-item {
  padding: var(--spacing-sm) 0;
}

.sidenav-list-item a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.2s;
  display: block;
}

.sidenav-list-item a:hover {
  color: var(--accent-color);
}

.sidenav-list-item-d1 { padding-left: 0; }
.sidenav-list-item-d2 { padding-left: var(--spacing-md); }
.sidenav-list-item-d3 { padding-left: calc(var(--spacing-md) * 2); }

.sidenav-active-item a {
  color: var(--accent-color);
  font-weight: 600;
}

/* Main Content */
.content {
  flex: 1;
}

.content h2 {
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
}

/* Product Grid */
.product-grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 500px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.category-product-container {
  position: relative;
}

.category-product-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: opacity 0.2s;
}

.category-product-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: var(--spacing-sm);
  text-align: center;
  opacity: 0;
  transition: opacity 0.2s;
}

.category-product-container:hover .category-product-title {
  opacity: 1;
}

/* Product Detail */
.product-detail {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: 1fr;
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .product-detail {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }
}

.product-images-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.product-image-container {
  position: relative;
  cursor: zoom-in;
}

.product-detail-image {
  width: 100%;
  height: auto;
  display: block;
}

.product-thumbnails {
  margin-top: var(--spacing-sm);
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--spacing-sm);
}

.thumbnail-button {
  padding: 0;
  border: 2px solid transparent;
  background: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

.thumbnail-button:hover,
.thumbnail-button.active {
  border-color: var(--accent-color);
}

.thumbnail-button img {
  width: 100%;
  height: 80px;
  object-fit: cover;
  display: block;
}

.product-info {
  background: var(--background-color);
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
}

.product-description {
  margin-bottom: var(--spacing-lg);
}

.product-description p {
  margin-bottom: var(--spacing-md);
}

.product-options h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

.product-option-list {
  list-style: none;
}

.product-option-list-item {
  margin-bottom: var(--spacing-sm);
  display: flex;
  gap: var(--spacing-sm);
}

.option-type {
  font-weight: 600;
}

/* Image Zoom Modal */
.image-zoom-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  z-index: 1000;
}

.image-zoom-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.zoomed-image {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

.modal-close-button {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
}

.modal-close-button:hover {
  opacity: 0.8;
}

/* Footer */
.footer {
  margin-top: auto;
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer a {
  color: var(--text-color);
  text-decoration: none;
}

.footer a:hover {
  color: var(--accent-color);
}

/* Media Queries */
@media (min-width: 768px) {
  .container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: calc(var(--spacing-unit) * 2);
  }
  
  .header {
    grid-column: 1 / -1;
  }
  
  .footer {
    grid-column: 1 / -1;
  }
  
  #content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-unit);
  }
}

@media (min-width: 1024px) {
  #content {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  #content {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Mobile Navigation */
.mobile-nav-toggle {
  display: none;
  position: fixed;
  top: var(--spacing-md);
  left: var(--spacing-md);
  z-index: 100;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 20px;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
}

.mobile-nav-toggle.active .hamburger span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-nav-toggle.active .hamburger span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.active .hamburger span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

@media (max-width: 767px) {
  .mobile-nav-toggle {
    display: block;
  }

  .sidenav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    background: var(--background-color);
    border-right: 1px solid var(--border-color);
    padding: calc(var(--spacing-lg) * 2) var(--spacing-md) var(--spacing-md);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    z-index: 90;
  }

  .sidenav.active {
    transform: translateX(0);
  }

  .nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 80;
  }

  .nav-overlay.active {
    display: block;
  }

  /* Prevent scrolling when nav is open */
  body.nav-open {
    overflow: hidden;
  }

  .header {
    justify-content: right;
    align-items: right;
  }

  .header a {
    width: 90%;
  }
}

/* Index Page */
.intro-text {
  font-size: 12pt;
  font-weight: bold;
  margin-bottom: var(--spacing-lg);
}

/* Search Functionality */
.search-container {
  margin: var(--spacing-lg) 0;
}

.search-form {
  max-width: 500px;
}

.search-input-group {
  display: flex;
  border: 2px solid var(--text-color);
  border-radius: 4px;
  overflow: hidden;
}

.search-input {
  flex: 1;
  padding: 10px 15px;
  border: none;
  font-size: 14px;
  outline: none;
  background: var(--primary-color);
  color: var(--background-color);
}

.search-input:focus {
  background: var(--secondary-color);
}

.search-button {
  padding: 10px 20px;
  background: var(--text-color);
  color: var(--background-color);
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: bold;
  transition: background-color 0.2s;
}

.search-button:hover {
  background: var(--primary-color);
  color: var(--background-color);
}

.search-button:active {
  background: var(--secondary-color);
}

.search-info {
  margin: var(--spacing-lg) 0;
  font-size: 14px;
  color: var(--text-color);
}

.search-info em {
  color: var(--primary-color);
  font-style: normal;
  font-weight: bold;
}

.no-image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  font-size: 12px;
}