.product-page { padding: 3rem 0; padding-bottom: 6rem; }

    .breadcrumb-nav {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 1.5rem;
      font-size: 0.875rem;
      color: var(--muted-foreground);
    }
    .breadcrumb-nav a {
      color: var(--muted-foreground);
      text-decoration: none;
      transition: color 0.2s;
    }
    .breadcrumb-nav a:hover { color: var(--foreground); }
    .breadcrumb-sep { opacity: 0.4; }
    .breadcrumb-current { color: var(--foreground); font-weight: 500; }

    /* Step indicators */
    .step-flow {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 1.5rem;
      padding: 1rem 1.25rem;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
    }
    .step-item {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.875rem;
      color: var(--muted-foreground);
      transition: color 0.3s;
    }
    .step-item.active { color: var(--foreground); font-weight: 600; }
    .step-item.completed { color: #16a34a; }
    .step-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 1.75rem;
      height: 1.75rem;
      border-radius: 50%;
      border: 2px solid var(--border);
      font-size: 0.8rem;
      font-weight: 700;
      flex-shrink: 0;
      transition: all 0.3s;
    }
    .step-item.active .step-number {
      background: var(--foreground);
      color: var(--background);
      border-color: var(--foreground);
    }
    .step-item.completed .step-number {
      background: #16a34a;
      color: white;
      border-color: #16a34a;
    }
    .step-connector {
      flex: 1;
      height: 2px;
      background: var(--border);
      min-width: 1.5rem;
      transition: background 0.3s;
    }
    .step-connector.done { background: #16a34a; }

    .product-hero {
      background-color: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      margin-bottom: 1.5rem;
    }
    .product-hero-image {
      width: 100%;
      height: 280px;
      object-fit: cover;
      display: block;
    }
    .product-hero-placeholder {
      width: 100%;
      height: 280px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--muted);
      font-size: 4rem;
      color: var(--muted-foreground);
      opacity: 0.2;
    }
    .product-hero-info {
      padding: 1.75rem;
    }
    .product-hero-type {
      display: inline-flex;
      padding: 0.25rem 0.75rem;
      border-radius: 6px;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      background: var(--foreground);
      color: var(--background);
      margin-bottom: 0.75rem;
    }
    .product-hero-title {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--foreground);
      margin-bottom: 0.375rem;
      line-height: 1.3;
    }
    .product-hero-category {
      font-size: 0.875rem;
      color: var(--muted-foreground);
      margin-bottom: 1rem;
    }
    /* Instructions / description section — separate from hero */
    .instructions-section {
      background-color: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.75rem;
      margin-bottom: 1.5rem;
    }
    .instructions-header {
      display: flex;
      align-items: center;
      gap: 0.625rem;
      margin-bottom: 1.25rem;
      padding-bottom: 1rem;
      border-bottom: 1px solid var(--border);
    }
    .instructions-header i {
      font-size: 1.25rem;
      color: var(--foreground);
    }
    .instructions-header h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--foreground);
      margin: 0;
    }
    .product-description {
      font-size: 1rem;
      color: var(--foreground);
      line-height: 1.8;
    }
    /* Intro line before steps — e.g. "To activate the game:" */
    .product-description .desc-intro {
      font-size: 1.0625rem;
      font-weight: 600;
      color: var(--foreground);
      margin-bottom: 1rem;
    }
    .product-description p {
      margin-bottom: 0.875rem;
      font-size: 1rem;
    }
    .product-description p:last-child { margin-bottom: 0; }
    .product-description strong,
    .product-description b {
      color: var(--foreground);
      font-weight: 700;
    }
    .product-description a {
      color: var(--foreground);
      text-decoration: underline;
      font-weight: 500;
    }
    /* Ordered lists — step-by-step instructions */
    .product-description ol {
      list-style: none;
      counter-reset: step-counter;
      padding: 0;
      margin: 0;
    }
    .product-description ol li {
      counter-increment: step-counter;
      position: relative;
      padding: 1rem 1.125rem 1rem 3.5rem;
      margin-bottom: 0.625rem;
      background: var(--muted);
      border-radius: var(--radius);
      font-size: 1rem;
      line-height: 1.6;
      color: var(--foreground);
    }
    .product-description ol li:last-child { margin-bottom: 0; }
    .product-description ol li::before {
      content: counter(step-counter);
      position: absolute;
      left: 1rem;
      top: 1rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 1.75rem;
      height: 1.75rem;
      border-radius: 50%;
      background: var(--foreground);
      color: var(--background);
      font-size: 0.8125rem;
      font-weight: 700;
      flex-shrink: 0;
      line-height: 1;
    }
    /* Unordered lists */
    .product-description ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .product-description ul li {
      position: relative;
      padding: 0.75rem 1rem 0.75rem 2.25rem;
      margin-bottom: 0.375rem;
      font-size: 1rem;
      line-height: 1.6;
      background: var(--muted);
      border-radius: var(--radius);
    }
    .product-description ul li:last-child { margin-bottom: 0; }
    .product-description ul li::before {
      content: '';
      position: absolute;
      left: 0.875rem;
      top: 1.125rem;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--foreground);
    }
    .product-description br {
      display: block;
      content: '';
      margin-top: 0.5rem;
    }
    /* Headings inside description */
    .product-description h1,
    .product-description h2,
    .product-description h3,
    .product-description h4 {
      font-weight: 700;
      color: var(--foreground);
      margin-top: 1.25rem;
      margin-bottom: 0.625rem;
    }
    .product-description h2 { font-size: 1.125rem; }
    .product-description h3 { font-size: 1.0625rem; }
    .product-description h4 { font-size: 1rem; }
    /* Short/inline description fallback for hero area */
    .product-description-short {
      font-size: 0.9375rem;
      color: var(--muted-foreground);
      line-height: 1.6;
    }

    /* Trust indicators */
    .trust-badges {
      display: flex;
      gap: 1.25rem;
      flex-wrap: wrap;
      margin-top: 1rem;
      padding-top: 1rem;
      border-top: 1px solid var(--border);
    }
    .trust-badge {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.8125rem;
      color: var(--muted-foreground);
    }
    .trust-badge i {
      color: #16a34a;
      font-size: 0.875rem;
    }

    .sidebar-card {
      background-color: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.5rem;
      margin-bottom: 1.25rem;
    }

    .balance-amount {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--foreground);
      letter-spacing: -0.02em;
    }
    .balance-label {
      color: var(--muted-foreground);
      font-weight: 500;
      margin-bottom: 0.5rem;
      font-size: 0.8125rem;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    /* Section headings with step numbers */
    .section-heading {
      display: flex;
      align-items: center;
      gap: 0.625rem;
      margin-bottom: 1rem;
    }
    .section-heading-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 1.75rem;
      height: 1.75rem;
      border-radius: 50%;
      background: var(--foreground);
      color: var(--background);
      font-size: 0.8rem;
      font-weight: 700;
      flex-shrink: 0;
    }
    .section-heading h3 {
      font-size: 1.05rem;
      font-weight: 600;
      margin: 0;
    }
    .section-heading-hint {
      font-size: 0.8125rem;
      color: var(--muted-foreground);
      margin-left: auto;
      font-weight: 400;
    }

    .sku-list {
      display: flex;
      flex-direction: column;
      gap: 0.625rem;
    }
    .sku-card {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1rem 1.25rem;
      cursor: pointer;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }
    .sku-card:hover {
      border-color: var(--ring);
      background-color: var(--accent);
    }
    .sku-card.selected {
      border-color: var(--foreground);
      background-color: var(--accent);
      box-shadow: 0 0 0 1px var(--foreground);
    }
    .sku-card.out-of-stock {
      opacity: 0.5;
      cursor: not-allowed;
    }
    .sku-info { flex: 1; min-width: 0; }
    .sku-name {
      font-weight: 600;
      font-size: 0.9375rem;
      color: var(--foreground);
      margin-bottom: 0.125rem;
    }
    .sku-stock {
      font-size: 0.8125rem;
      color: var(--muted-foreground);
    }
    .sku-stock.in-stock { color: #16a34a; }
    .sku-stock.low-stock { color: #ea580c; }
    .sku-stock.no-stock { color: var(--destructive); }
    .sku-price {
      font-weight: 700;
      font-size: 1.1rem;
      color: var(--foreground);
      white-space: nowrap;
    }
    .sku-price-na {
      font-size: 0.875rem;
      color: var(--muted-foreground);
      font-weight: 500;
    }

    .custom-amount-field {
      display: none;
      margin-top: 1rem;
    }
    .custom-amount-field.visible { display: block; }
    .custom-amount-field label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--foreground);
      margin-bottom: 0.375rem;
    }
    .custom-amount-field .field-hint {
      font-size: 0.8125rem;
      color: var(--muted-foreground);
      margin-bottom: 0.5rem;
      line-height: 1.4;
    }
    .custom-amount-field input {
      width: 100%;
      padding: 0.75rem 1rem;
      border-radius: var(--radius);
      border: 1px solid var(--input);
      background-color: var(--background);
      color: var(--foreground);
      font-size: 1rem;
    }
    .custom-amount-field input:focus {
      outline: none;
      border-color: var(--ring);
      box-shadow: 0 0 0 2px rgba(0,0,0,0.06);
    }

    .required-fields {
      margin-top: 1.5rem;
      padding: 1.25rem;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
    }
    .required-fields-header {
      display: flex;
      align-items: center;
      gap: 0.625rem;
      margin-bottom: 1rem;
      padding-bottom: 0.75rem;
      border-bottom: 1px solid var(--border);
    }
    .required-fields-header .section-heading-number {
      width: 1.5rem;
      height: 1.5rem;
      font-size: 0.75rem;
    }
    .required-fields-header h4 {
      font-size: 0.9375rem;
      font-weight: 600;
      margin: 0;
    }
    .required-fields-header p {
      font-size: 0.8125rem;
      color: var(--muted-foreground);
      margin: 0;
      margin-left: auto;
    }
    .field-group { margin-bottom: 1rem; }
    .field-group:last-child { margin-bottom: 0; }
    .field-group label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--foreground);
      margin-bottom: 0.375rem;
    }
    .field-group .field-help {
      font-size: 0.8125rem;
      color: var(--muted-foreground);
      margin-bottom: 0.375rem;
      line-height: 1.4;
    }
    .field-group input,
    .field-group select {
      width: 100%;
      padding: 0.75rem 1rem;
      border-radius: var(--radius);
      border: 1px solid var(--input);
      background-color: var(--background);
      color: var(--foreground);
      font-size: 0.9375rem;
    }
    .field-group input:focus,
    .field-group select:focus {
      outline: none;
      border-color: var(--ring);
      box-shadow: 0 0 0 2px rgba(0,0,0,0.06);
    }

    .purchase-section { margin-top: 1.25rem; }
    .total-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.75rem 0;
      border-top: 1px solid var(--border);
      margin-bottom: 0.75rem;
    }
    .total-label {
      font-weight: 500;
      font-size: 0.9375rem;
      color: var(--muted-foreground);
    }
    .total-value {
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--foreground);
    }

    .btn-purchase {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      width: 100%;
      padding: 0.875rem 1.5rem;
      border-radius: var(--radius);
      background-color: var(--foreground);
      color: var(--background);
      font-weight: 600;
      font-size: 0.9375rem;
      border: none;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .btn-purchase:hover { opacity: 0.85; }
    .btn-purchase:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }
    .btn-purchase .spinner {
      display: none;
      width: 16px;
      height: 16px;
      border: 2px solid var(--background);
      border-top-color: transparent;
      border-radius: 50%;
      animation: spin 0.6s linear infinite;
    }
    .btn-purchase.loading .spinner { display: inline-block; }
    .btn-purchase.loading .btn-text { display: none; }
    @keyframes spin { to { transform: rotate(360deg); } }

    .alert-msg {
      padding: 0.875rem 1rem;
      border-radius: var(--radius);
      font-size: 0.875rem;
      font-weight: 500;
      margin-top: 0.75rem;
      display: none;
    }
    .alert-msg.visible { display: block; }
    .alert-msg.error {
      background-color: #fef2f2;
      color: #991b1b;
      border: 1px solid #fecaca;
    }
    .alert-msg.success {
      background-color: #f0fdf4;
      color: #166534;
      border: 1px solid #bbf7d0;
    }

    .delivery-result {
      margin-top: 1rem;
      display: none;
    }
    .delivery-result.visible { display: block; }
    .delivery-card {
      background-color: #f0fdf4;
      border: 1px solid #bbf7d0;
      border-radius: var(--radius);
      padding: 1.25rem 1.5rem;
    }
    .delivery-card h4 {
      font-size: 1rem;
      font-weight: 600;
      color: #166534;
      margin-bottom: 0.75rem;
    }
    .delivery-item {
      display: flex;
      align-items: flex-start;
      gap: 0.5rem;
      margin-bottom: 0.5rem;
      font-size: 0.875rem;
    }
    .delivery-item-label {
      font-weight: 600;
      color: #166534;
      min-width: 100px;
    }
    .delivery-item-value {
      color: #15803d;
      word-break: break-all;
      font-family: 'Courier New', monospace;
    }

    .btn-back {
      display: inline-flex;
      align-items: center;
      gap: 0.375rem;
      padding: 0.5rem 1rem;
      border-radius: var(--radius);
      background-color: var(--card);
      border: 1px solid var(--border);
      color: var(--foreground);
      font-weight: 500;
      font-size: 0.875rem;
      text-decoration: none;
      transition: all 0.2s ease;
    }
    .btn-back:hover {
      background-color: var(--accent);
      color: var(--foreground);
    }

    .attributes-list {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-top: 0.75rem;
    }
    .attr-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.25rem;
      padding: 0.3rem 0.75rem;
      border-radius: 6px;
      border: 1px solid var(--border);
      font-size: 0.8125rem;
      color: var(--muted-foreground);
    }
    .attr-tag strong {
      color: var(--foreground);
      font-weight: 600;
    }

    /* Mobile sticky purchase bar */
    .mobile-purchase-bar {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: var(--card);
      border-top: 1px solid var(--border);
      padding: 0.875rem 1.25rem;
      z-index: 99;
      box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
    }
    .mobile-purchase-bar .mobile-bar-inner {
      display: flex;
      align-items: center;
      gap: 1rem;
      max-width: 1200px;
      margin: 0 auto;
    }
    .mobile-bar-price {
      font-weight: 700;
      font-size: 1.125rem;
      color: var(--foreground);
      white-space: nowrap;
    }
    .mobile-bar-label {
      font-size: 0.75rem;
      color: var(--muted-foreground);
    }
    .mobile-bar-btn {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.75rem 1rem;
      border-radius: var(--radius);
      background-color: var(--foreground);
      color: var(--background);
      font-weight: 600;
      font-size: 0.9375rem;
      border: none;
      cursor: pointer;
    }
    .mobile-bar-btn:disabled { opacity: 0.5; cursor: not-allowed; }

    @media (max-width: 768px) {
      .product-page { padding: 1.5rem 0; padding-bottom: 7rem; }
      .product-hero-title { font-size: 1.25rem; }
      .product-hero-image,
      .product-hero-placeholder { height: 200px; }
      .step-flow { 
        padding: 0.75rem 1rem;
        gap: 0.25rem;
      }
      .step-item { font-size: 0.75rem; }
      .step-number { width: 1.5rem; height: 1.5rem; font-size: 0.7rem; }
      .step-label { display: none; }
      .step-label-short { display: inline; }
      .mobile-purchase-bar.visible { display: block; }
      .trust-badges {
        gap: 0.75rem;
      }
      .trust-badge { font-size: 0.75rem; }
      .instructions-section { padding: 1.25rem; }
      .instructions-header h3 { font-size: 1rem; }
      .product-description { font-size: 0.9375rem; }
      .product-description .desc-intro { font-size: 1rem; }
      .product-description ol li {
        padding: 0.875rem 1rem 0.875rem 3rem;
        font-size: 0.9375rem;
      }
      .product-description ol li::before {
        left: 0.75rem;
        top: 0.875rem;
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.75rem;
      }
      .product-description ul li {
        padding: 0.625rem 0.875rem 0.625rem 2rem;
        font-size: 0.9375rem;
      }
    }
    @media (min-width: 769px) {
      .step-label-short { display: none; }
      .mobile-purchase-bar { display: none !important; }
    }