:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #0f0f0f;
  --card-bg: linear-gradient(145deg, #1a1a1a 0%, #0f0f0f 100%);
  --accent-gold: #c4a56b;
  --accent-gold-hover: #a68c55;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-muted: #666666;
  --border: rgba(196, 165, 107, 0.15);
  --border-hover: #c4a56b;
  --shadow: rgba(196, 165, 107, 0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Arial', sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
  color: var(--text-primary);
  margin: 0;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header Styles */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--accent-gold);
  padding: 1rem 2rem;
}

header h2 {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 0;
}

header nav a {
  color: var(--text-primary);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

header nav a:hover {
  background: rgba(196, 165, 107, 0.08);
  transform: translateY(-2px);
}

/* Landing Page Hero */
.hero {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(15, 15, 15, 0.9) 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4rem 3rem;
  margin: 2rem 0;
  display: flex;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  opacity: 0.6;
}

.hero h1 {
  margin: 0;
  font-size: 2.5rem;
  font-weight: bold;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-gold) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-secondary);
  margin: 1rem 0 0;
  font-size: 1.1rem;
  line-height: 1.6;
}

.cta {
  display: inline-block;
  margin-top: 2rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
  color: var(--bg-primary);
  border-radius: 25px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(196, 165, 107, 0.25);
  color: var(--bg-primary);
}

/* Listing Layout */
.listing-wrap {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
  padding: 2rem 0;
}

.filters {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 12px;
  position: sticky;
  top: 100px;
  height: fit-content;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.filters h3 {
  color: var(--accent-gold);
  margin-bottom: 1rem;
  font-size: 1.1rem;
  font-weight: bold;
}

.filters h4 {
  color: var(--accent-gold);
  margin: 1.5rem 0 1rem;
  font-size: 1rem;
}

.filters label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.filters input[type="text"], 
.filters input[type="number"],
#filter-search {
  width: 100%;
  padding: 0.75rem;
  background: rgba(196, 165, 107, 0.08);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: all 0.3s ease;
  margin-top: 0.5rem;
}

.filters input[type="text"]:focus,
.filters input[type="number"]:focus,
#filter-search:focus {
  background: rgba(196, 165, 107, 0.12);
  border-color: var(--accent-gold);
  box-shadow: 0 0 15px rgba(196, 165, 107, 0.2);
}

.filters input[type="text"]::placeholder,
.filters input[type="number"]::placeholder,
#filter-search::placeholder {
  color: var(--text-muted);
}

.filters input[type="checkbox"] {
  margin-right: 0.5rem;
  accent-color: var(--accent-gold);
}

.filters hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}

.topbar {
  display: flex;
  gap: 1rem;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 1rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

.search {
  flex: 1;
}

.search input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(196, 165, 107, 0.08);
  border: 1px solid var(--border);
  border-radius: 25px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: all 0.3s ease;
}

.search input:focus {
  background: rgba(196, 165, 107, 0.12);
  border-color: var(--accent-gold);
  box-shadow: 0 0 15px rgba(196, 165, 107, 0.2);
}

.search input::placeholder {
  color: var(--text-muted);
}

.sort select {
  padding: 0.75rem 1rem;
  background: rgba(196, 165, 107, 0.08);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  font-size: 0.9rem;
}

/* Deck Grid */
.deck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.deck-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  cursor: pointer;
}

.deck-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-gold);
  box-shadow: 0 20px 40px var(--shadow);
}

.deck-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.deck-card:hover::before {
  opacity: 1;
}

.deck-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: linear-gradient(45deg, #2a2a2a, #1a1a1a);
}

.deck-card-content {
  padding: 1.5rem;
}

.deck-title {
  font-weight: bold;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
  font-size: 1.1rem;
}

.deck-meta {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.deck-price {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.deck-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.deck-tag {
  background: rgba(196, 165, 107, 0.08);
  color: var(--accent-gold);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.7rem;
  border: 1px solid rgba(196, 165, 107, 0.2);
}

.load-more {
  display: block;
  width: 100%;
  padding: 1rem;
  margin-top: 2rem;
  border-radius: 25px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--accent-gold);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.load-more:hover {
  background: rgba(196, 165, 107, 0.08);
  transform: translateY(-2px);
}

/* How It Works Section */
.how-it-works {
  margin: 3rem 0;
}

.how-it-works h3 {
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: 12px;
  transition: all 0.3s ease;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-gold);
  box-shadow: 0 15px 30px var(--shadow);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover::before {
  opacity: 1;
}

/* Footer */
footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  text-align: center;
}

/* Mobile Filter Drawer */
.mobile-filter-btn {
  display: none;
  background: rgba(196, 165, 107, 0.08);
  border: 1px solid var(--border);
  color: var(--accent-gold);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.mobile-filter-btn:hover {
  background: rgba(196, 165, 107, 0.12);
  border-color: var(--accent-gold);
}

.filter-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.filter-overlay.active {
  opacity: 1;
  visibility: visible;
}

.filter-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 320px;
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  z-index: 1001;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.filter-drawer.active {
  transform: translateX(0);
}

.filter-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.filter-drawer-header h3 {
  color: var(--accent-gold);
  margin: 0;
  font-size: 1.1rem;
  font-weight: bold;
}

.close-drawer {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  line-height: 1;
}

.close-drawer:hover {
  color: var(--accent-gold);
  background: rgba(196, 165, 107, 0.08);
}

.filter-drawer-content {
  flex: 1;
  padding: 1.5rem;
}

.filter-drawer-content h4 {
  color: var(--accent-gold);
  margin: 1.5rem 0 1rem;
  font-size: 1rem;
}

.filter-drawer-content label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.filter-drawer-content input[type="text"], 
.filter-drawer-content input[type="number"] {
  width: 100%;
  padding: 0.75rem;
  background: rgba(196, 165, 107, 0.08);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: all 0.3s ease;
  margin-top: 0.5rem;
}

.filter-drawer-content input[type="text"]:focus,
.filter-drawer-content input[type="number"]:focus {
  background: rgba(196, 165, 107, 0.12);
  border-color: var(--accent-gold);
  box-shadow: 0 0 15px rgba(196, 165, 107, 0.2);
}

.filter-drawer-content input[type="text"]::placeholder,
.filter-drawer-content input[type="number"]::placeholder {
  color: var(--text-muted);
}

.filter-drawer-content input[type="checkbox"] {
  margin-right: 0.5rem;
  accent-color: var(--accent-gold);
}

.filter-drawer-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}

/* Responsive Design */
@media (max-width: 900px) {
  .listing-wrap {
    grid-template-columns: 1fr;
  }
  
  .filters {
    display: none; /* Hide desktop filters on mobile */
  }
  
  .mobile-filter-btn {
    display: flex;
  }
  
  .topbar {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  
  .search {
    order: 2;
    flex: 1 1 100%;
    margin-top: 0.5rem;
  }
  
  .sort {
    order: 1;
  }
  
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 2rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .container {
    padding: 1rem;
  }
}

@media (max-width: 768px) {
  header {
    padding: 1rem;
  }
  
  header h2 {
    font-size: 1.2rem;
  }
  
  .deck-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .filter-drawer {
    width: 280px;
  }
  
  .topbar {
    gap: 0.5rem;
  }
  
  .mobile-filter-btn {
    font-size: 0.85rem;
    padding: 0.6rem 0.8rem;
  }
  
  .sort select {
    font-size: 0.85rem;
    padding: 0.6rem 0.8rem;
  }
}

@media (max-width: 480px) {
  .filter-drawer {
    width: calc(100vw - 60px);
    max-width: 300px;
  }
  
  .container {
    padding: 0.75rem;
  }
  
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .mobile-filter-btn {
    order: 1;
    margin-bottom: 0.75rem;
  }
  
  .search {
    order: 2;
    margin: 0;
  }
  
  .sort {
    order: 3;
    margin-top: 0.75rem;
  }
  
  .sort select {
    width: 100%;
  }
}

@media (min-width: 1200px) {
  .deck-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}