.tk-inline-toast {
      position: fixed;
      left: 50%;
      bottom: 24px;
      transform: translate(-50%, 16px);
      padding: 10px 14px;
      border-radius: 999px;
      background: rgba(17, 24, 39, 0.9);
      color: #fff;
      font-size: 13px;
      line-height: 1.2;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.18s ease, transform 0.18s ease;
      z-index: 80;
      white-space: nowrap;
    }
    .tk-inline-toast.is-visible {
      opacity: 1;
      transform: translate(-50%, 0);
    }
    .tk-share-modal {
      position: fixed;
      inset: 0;
      display: none;
      z-index: 70;
    }
    .tk-share-modal.is-open {
      display: block;
    }
    .tk-share-modal-backdrop {
      position: absolute;
      inset: 0;
      border: 0;
      margin: 0;
      background: rgba(17, 24, 39, 0.42);
    }
    .tk-share-modal-card {
      position: relative;
      width: min(92vw, 420px);
      margin: 6vh auto 0;
      padding: 20px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid #e8dfd3;
      box-shadow: 0 24px 48px rgba(17, 24, 39, 0.18);
    }
    .tk-share-modal-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }
    .tk-share-modal-head h3 {
      margin: 0 0 4px;
      font-size: 22px;
      line-height: 1.2;
      color: #111827;
    }
    .tk-share-modal-head p {
      margin: 0;
      color: #6b7280;
      font-size: 13px;
      line-height: 1.45;
    }
    .tk-share-close {
      width: 36px;
      height: 36px;
      border-radius: 999px;
      border: 1px solid #e5e7eb;
      background: #fff;
      color: #4b5563;
      font-size: 24px;
      line-height: 1;
      cursor: pointer;
    }
    .tk-share-product {
      margin: 0 0 12px;
      color: #4a230f;
      font-size: 16px;
      font-weight: 600;
      line-height: 1.4;
    }
    .tk-share-qr-shell {
      display: flex;
      justify-content: center;
      padding: 14px;
      border-radius: 18px;
      border: 1px solid #ece6dc;
      background: #fff;
      margin-bottom: 12px;
    }
    .tk-share-qr-shell img {
      width: min(68vw, 240px);
      height: min(68vw, 240px);
      object-fit: contain;
    }
    .tk-share-url {
      margin: 0 0 14px;
      padding: 10px 12px;
      border-radius: 14px;
      background: #f8fafc;
      border: 1px solid #e5e7eb;
      color: #475569;
      font-size: 13px;
      line-height: 1.5;
      word-break: break-all;
    }
    .tk-share-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .tk-share-actions .btn {
      flex: 1 1 120px;
      justify-content: center;
      text-decoration: none;
    }
    @media (max-width: 480px) {
      .tk-share-modal-card {
        margin-top: 4vh;
        padding: 16px;
      }
      .tk-inline-toast {
        bottom: 16px;
        max-width: calc(100vw - 24px);
        text-align: center;
        white-space: normal;
      }
    }