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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  padding-bottom: 80px;
}

.header {
  display: flex;
  align-items: center;
  padding: 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.back-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
  margin-right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-title {
  font-size: 18px;
  font-weight: 600;
  flex: 1;
}

.header-action {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
  position: relative;
}

.cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: #3b82f6;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Search */
.search-container {
  padding: 12px 16px;
  background: var(--bg-primary);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px 16px;
}

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

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

.search-box svg {
  color: var(--text-secondary);
}

/* Category Tabs */
.category-tabs {
  display: flex;
  gap: 8px;
  padding: 0 16px 12px;
  overflow-x: auto;
  scrollbar-width: none;
}

.category-tabs::-webkit-scrollbar {
  display: none;
}

.cat-tab {
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s;
}

.cat-tab.active {
  background: #3b82f6;
  border-color: #3b82f6;
  color: #fff;
}

/* Content Area */
.content-area {
  padding: 0 16px 16px;
}

/* Featured Banner */
.featured-banner {
  position: relative;
  height: 180px;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #1e3a8a, #3b82f6, #8b5cf6);
}

.featured-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
}

.featured-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
}

.featured-label {
  font-size: 11px;
  font-weight: 600;
  color: #fbbf24;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.featured-title {
  font-size: 22px;
  font-weight: 700;
  margin: 4px 0;
}

.featured-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 10px;
}

.featured-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 12px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.stat-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.6);
}

.featured-btn {
  padding: 10px 20px;
  background: #fff;
  color: #000;
  border: none;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

/* Section */
.section {
  margin-bottom: 24px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.section-title {
  font-size: 16px;
  font-weight: 600;
}

.see-all {
  font-size: 13px;
  color: #3b82f6;
  text-decoration: none;
}

.filter-btns {
  display: flex;
  gap: 6px;
}

.filter-btn {
  padding: 4px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
}

.filter-btn.active {
  background: #3b82f6;
  border-color: #3b82f6;
  color: #fff;
}

/* Collections Scroll */
.collections-scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 4px;
}

.collections-scroll::-webkit-scrollbar {
  display: none;
}

.collection-card {
  flex-shrink: 0;
  width: 140px;
  background: var(--bg-secondary);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s;
}

.collection-card:hover {
  transform: translateY(-2px);
}

.collection-img {
  width: 100%;
  height: 100px;
  background: linear-gradient(135deg, #374151, #1f2937);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.collection-info {
  padding: 10px;
}

.collection-name {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.collection-floor {
  font-size: 11px;
  color: var(--text-secondary);
}

.collection-floor span {
  color: #10b981;
  font-weight: 500;
}

/* NFT Grid */
.nft-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.nft-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s;
}

.nft-card:hover {
  transform: translateY(-2px);
}

.nft-image {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #374151, #1f2937);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  position: relative;
}

.nft-chain {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.nft-info {
  padding: 10px;
}

.nft-collection {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.nft-name {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nft-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nft-price {
  font-size: 12px;
  font-weight: 600;
  color: #10b981;
}

.nft-last {
  font-size: 10px;
  color: var(--text-secondary);
}

/* Activity List */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-secondary);
  border-radius: 12px;
}

.activity-img {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: linear-gradient(135deg, #374151, #1f2937);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.activity-content {
  flex: 1;
  min-width: 0;
}

.activity-title {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.activity-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.activity-price {
  text-align: right;
}

.activity-amount {
  font-size: 13px;
  font-weight: 600;
  color: #10b981;
}

.activity-time {
  font-size: 11px;
  color: var(--text-secondary);
}

/* Bottom Nav */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  padding: 10px 0 20px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  z-index: 100;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 11px;
}

.nav-item svg {
  width: 24px;
  height: 24px;
}

.nav-item.active {
  color: #3b82f6;
}