/* ============================================
       PAY IN VIEW
       ============================================ */
    .invoice-card {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border: 1px solid rgba(255, 255, 255, 0.5);
      border-radius: 24px;
      padding: 40px 36px;
      max-width: 480px;
      width: 100%;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    }

    .invoice-card-title {
      font-size: 20px;
      font-weight: 700;
      color: #1c132c;
      letter-spacing: -0.3px;
      margin-bottom: 28px;
    }

    /* Fiat currency text icon (circular badge with $, EUR, GBP) */
    .denom-text-icon {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(24, 148, 232, 0.1);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 700;
      color: #1894E8;
      font-family: 'JetBrains Mono', monospace;
      flex-shrink: 0;
    }

    .dropdown-option .denom-text-icon {
      width: 24px;
      height: 24px;
      font-size: 12px;
    }

    /* Dropdown group headers & divider */
    .dropdown-group-header {
      padding: 6px 12px 4px;
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.6px;
      color: #b0b4bd;
      font-family: 'JetBrains Mono', monospace;
    }

    .dropdown-group-divider {
      height: 1px;
      background: rgba(0, 0, 0, 0.06);
      margin: 4px 6px;
    }

    #payin-denomination-select { min-width: 110px; }

    /* Receive-on vertical stack */
    .receive-stack {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .receive-stack .dropdown-wrapper {
      flex: unset;
      width: 100%;
    }

    /* Generate button */
    .btn-generate {
      width: 100%;
      padding: 16px 24px;
      border-radius: 14px;
      background: linear-gradient(135deg, #1894E8, #9F72FF);
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      font-family: 'JetBrains Mono', monospace;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: box-shadow 0.2s, transform 0.2s;
      margin-top: 4px;
    }

    .btn-generate:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(24, 148, 232, 0.35); }
    .btn-generate:active { transform: translateY(0); }
    .btn-generate svg { width: 16px; height: 16px; }

    /* Result Card (Pay In) */
    .payin-result-card {
      display: none;
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border: 1px solid rgba(255, 255, 255, 0.5);
      border-radius: 24px;
      padding: 40px 36px;
      max-width: 480px;
      width: 100%;
      text-align: center;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
      animation: fadeInUp 0.35s ease;
    }

    .result-check {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #22c55e, #4ade80);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 22px;
      color: #fff;
    }

    .result-title {
      font-size: 20px;
      font-weight: 700;
      color: #1c132c;
      margin-bottom: 24px;
      letter-spacing: -0.3px;
    }

    /* QR + amount block */
    .result-preview {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 20px;
      background: rgba(248, 249, 252, 0.8);
      border: 1px solid rgba(0, 0, 0, 0.04);
      border-radius: 16px;
      margin-bottom: 20px;
      text-align: left;
    }

    .qr-code {
      width: 100px;
      height: 100px;
      flex-shrink: 0;
      border-radius: 8px;
      overflow: hidden;
    }

    .qr-code svg, .qr-code img {
      width: 100%;
      height: 100%;
      display: block;
    }

    .result-amount-block {
      flex: 1;
    }

    .result-amount {
      font-size: 24px;
      font-weight: 800;
      font-family: 'JetBrains Mono', monospace;
      color: #1c132c;
      letter-spacing: -1px;
    }

    .result-token {
      font-size: 14px;
      color: #6b7280;
      margin-top: 4px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .result-token img {
      width: 16px;
      height: 16px;
      border-radius: 50%;
    }

    /* Link display */
    .link-box {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 12px 16px;
      background: rgba(243, 244, 246, 0.8);
      border-radius: 12px;
      margin-bottom: 12px;
    }

    .link-url {
      flex: 1;
      font-size: 13px;
      font-family: 'JetBrains Mono', monospace;
      color: #6b7280;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .result-desc {
      font-size: 13px;
      color: #9ca3af;
      margin-bottom: 16px;
    }

    .link-actions {
      display: flex;
      gap: 8px;
    }

    .btn-copy, .btn-share {
      flex: 1;
      padding: 14px 18px;
      border-radius: 14px;
      font-size: 14px;
      font-weight: 600;
      font-family: 'JetBrains Mono', monospace;
      cursor: pointer;
      transition: background 0.15s, transform 0.2s, box-shadow 0.2s;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .btn-copy {
      background: linear-gradient(135deg, #1894E8, #9F72FF);
      color: #fff;
      border: none;
    }

    .btn-copy:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(24, 148, 232, 0.35); }
    .btn-copy:active { transform: translateY(0); }

    .btn-copy svg, .btn-share svg {
      width: 16px;
      height: 16px;
      flex-shrink: 0;
    }

    .btn-share {
      background: transparent;
      color: #6b7280;
      border: 1.5px solid rgba(0, 0, 0, 0.08);
    }

    .btn-share:hover { background: rgba(243, 244, 246, 0.8); transform: translateY(-1px); }
    .btn-share:active { transform: translateY(0); }