.shop-header {
      background: rgba(15, 15, 15, 0.25);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border: 2px solid rgba(122, 184, 255, 0.12);
      border-radius: var(--radius-xl);
      padding: 3rem 2rem;
      margin-top: 2rem;
      margin-bottom: 2rem;
      text-align: center;
      position: relative;
      overflow: hidden;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4),
                  0 0 0 1px rgba(255, 255, 255, 0.08),
                  inset 0 1px 0 rgba(255, 255, 255, 0.15);
    }

    .shop-header::before {
      /* Removed - no animation needed */
      display: none;
    }

    .shop-header::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 50%;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, transparent 100%);
      opacity: 0.7;
      z-index: 1;
      pointer-events: none;
    }

    .shop-header-content {
      position: relative;
      z-index: 1;
    }

    .shop-title {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--text-primary);
      margin: 0 0 0.5rem 0;
    }

    .shop-subtitle {
      color: var(--text-secondary);
      font-size: 1.125rem;
    }

    .coin-balance {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(122, 184, 255, 0.1);
      border: 1px solid rgba(122, 184, 255, 0.3);
      padding: 0.75rem 1.5rem;
      border-radius: var(--radius-lg);
      margin-top: 1rem;
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--text-primary);
    }

    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
      gap: 1.5rem;
      margin-bottom: 2rem;
    }

    .product-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--card-radius);
      padding: 2rem;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4),
                  0 0 0 1px rgba(255, 255, 255, 0.08),
                  inset 0 1px 0 rgba(255, 255, 255, 0.15);
    }

    .product-card:hover {
      transform: translateY(-2px);
      background: rgba(25, 25, 25, 0.35);
      border: 2px solid rgba(122, 184, 255, 0.35);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5),
                  0 0 15px rgba(122, 184, 255, 0.3),
                  0 0 0 1px rgba(122, 184, 255, 0.2),
                  inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }

    /* Light refraction effect */
    .product-card::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 50%;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, transparent 100%);
      opacity: 0.7;
      z-index: 1;
      pointer-events: none;
    }

    .product-badge {
      position: absolute;
      top: 1rem;
      right: 1rem;
      padding: 0.25rem 0.75rem;
      border-radius: var(--radius-sm);
      font-size: 0.75rem;
      font-weight: 600;
    }

    .product-badge.one-time {
      background: rgba(251, 191, 36, 0.2);
      color: var(--warning);
    }

    .product-badge.purchased {
      background: rgba(251, 191, 36, 0.2);
      color: var(--warning);
    }

    .product-icon {
      font-size: 4rem;
      margin-bottom: 1rem;
      text-align: center;
    }

    .product-name {
      font-size: 1.5rem;
      font-weight: 600;
      margin: 0 0 0.5rem 0;
      color: var(--text-primary);
    }

    .product-description {
      color: var(--text-secondary);
      margin-bottom: 1.5rem;
      line-height: 1.5;
    }

    .product-details {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      margin-bottom: 1.5rem;
      padding: 1rem;
      background: rgba(96, 165, 250, 0.05);
      border-radius: var(--radius-md);
    }

    .product-detail {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .product-detail-label {
      color: var(--text-secondary);
      font-size: 0.875rem;
    }

    .product-detail-value {
      color: var(--text-primary);
      font-weight: 600;
    }

    .product-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }

    .product-price {
      display: flex;
      align-items: baseline;
      gap: 0.5rem;
    }

    .price-amount {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--warning);
    }

    .price-currency {
      font-size: 1.125rem;
      color: var(--text-secondary);
    }

    /* Mobile styles for shop page */
    @media (max-width: 768px) {
      .shop-header {
        padding: 2rem 1rem;
      }

      .shop-title {
        font-size: 1.75rem;
      }

      .shop-subtitle {
        font-size: 1rem;
      }

      .coin-balance {
        font-size: 1.125rem;
        padding: 0.625rem 1.25rem;
      }

      .products-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
      }

      .product-card {
        padding: 1.5rem;
      }

      .product-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
      }

      .product-price {
        width: 100%;
      }

      .price-amount {
        font-size: 2rem;
      }

      .product-footer .btn {
        width: 100%;
      }
    }

    /* Premium Key Success Modal */
    .key-modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.85);
      z-index: 9999;
      align-items: center;
      justify-content: center;
      animation: fadeIn 0.3s ease;
    }

    .key-modal.active {
      display: flex;
    }

    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    @keyframes slideUp {
      from { transform: translateY(50px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }

    .key-modal-content {
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: var(--radius-xl);
      padding: 2.5rem;
      max-width: 550px;
      width: 90%;
      text-align: center;
      animation: slideUp 0.4s ease;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }

    .key-modal-icon {
      font-size: 4rem;
      margin-bottom: 1rem;
      animation: bounce 0.6s ease;
    }

    @keyframes bounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-20px); }
    }

    .key-modal-title {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--text-primary);
      margin: 0 0 0.5rem 0;
    }

    .key-modal-subtitle {
      color: var(--text-secondary);
      margin-bottom: 2rem;
      font-size: 1rem;
    }

    .key-display {
      background: rgba(96, 165, 250, 0.1);
      border: 2px solid var(--accent-primary);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      margin-bottom: 1.5rem;
      position: relative;
    }

    .key-display-label {
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--text-secondary);
      margin-bottom: 0.5rem;
    }

    .key-display-value {
      font-family: 'Courier New', monospace;
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--accent-primary);
      letter-spacing: 0.1em;
      word-break: break-all;
    }

    .key-actions {
      display: flex;
      gap: 1rem;
      margin-bottom: 1.5rem;
    }

    .key-actions button {
      flex: 1;
    }

    .key-activate-success {
      background: rgba(34, 197, 94, 0.15);
      border: 1px solid rgba(34, 197, 94, 0.3);
      color: #22c55e;
      border-radius: var(--radius-md);
      padding: 0.75rem 1rem;
      font-weight: 600;
      margin-bottom: 1rem;
      text-align: center;
    }

    .key-info {
      background: rgba(251, 191, 36, 0.1);
      border-left: 4px solid var(--warning);
      padding: 1rem;
      border-radius: var(--radius-md);
      margin-bottom: 1.5rem;
      text-align: left;
    }

    .key-info-title {
      font-weight: 600;
      color: var(--warning);
      margin-bottom: 0.5rem;
      font-size: 0.95rem;
    }

    .key-info-text {
      font-size: 0.875rem;
      color: var(--text-secondary);
      line-height: 1.5;
    }

    @media (max-width: 576px) {
      .key-modal-content {
        padding: 2rem 1.5rem;
      }

      .key-modal-title {
        font-size: 1.5rem;
      }

      .key-display-value {
        font-size: 1.125rem;
      }

      .key-actions {
        flex-direction: column;
      }
    }

    /* ===== PAID CARDS ROW (centered below coin cards) ===== */
    .paid-cards-row {
      display: flex;
      justify-content: center;
      gap: 1.5rem;
      margin-bottom: 2rem;
      flex-wrap: wrap;
    }

    .paid-cards-row .product-card {
      flex: 0 1 350px;
      max-width: 440px;
    }

    @media (max-width: 768px) {
      .paid-cards-row {
        flex-direction: column;
        align-items: center;
      }

      .paid-cards-row .product-card {
        max-width: 100%;
        flex: 1 1 auto;
      }
    }

    /* ===== SAVINGS REMINDER BANNER ===== */
    .savings-banner {
      background: linear-gradient(135deg, rgba(251, 191, 36, 0.08) 0%, rgba(34, 197, 94, 0.06) 100%);
      border: 1px solid rgba(251, 191, 36, 0.22);
      border-radius: var(--radius-lg);
      padding: 1rem 1.5rem;
      margin-top: 2rem;
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .savings-banner-text {
      font-size: 0.95rem;
      color: var(--text-secondary);
    }

    .savings-banner-text strong {
      color: var(--warning);
    }

    .savings-banner-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--warning);
      text-decoration: none;
      white-space: nowrap;
      opacity: 0.85;
      transition: opacity 0.2s;
    }

    .savings-banner-link:hover { opacity: 1; }

    /* ===== COMING SOON PRODUCT CARDS ===== */
    .product-card.coming-soon {
      opacity: 0.72;
      border-color: rgba(251, 191, 36, 0.2);
      position: relative;
    }

    .product-card.coming-soon:hover {
      transform: none;
      border-color: rgba(251, 191, 36, 0.35);
      box-shadow: var(--shadow-md);
    }

    .product-badge.soon {
      background: rgba(251, 191, 36, 0.12);
      color: var(--warning);
      border: 1px solid rgba(251, 191, 36, 0.25);
    }

    .product-badge.yearly-best {
      background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(251, 191, 36, 0.25));
      color: var(--warning);
      border: 1px solid rgba(251, 191, 36, 0.4);
    }

    .product-subprice {
      font-size: 0.8rem;
      color: var(--text-tertiary);
      margin-top: 0.25rem;
    }

    .price-amount-md {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--warning);
    }

    .price-amount-free {
      font-size: 1.5rem;
      color: var(--text-secondary);
    }

    /* Close button after key-info box */
    .key-info + .btn {
      margin-top: 0.5rem;
    }