/* Shared modal sizing and controls for touch screens. */
@media (max-width: 900px) and (pointer: coarse) {
  .modal-backdrop {
    height: 100vh;
    height: 100dvh;
    box-sizing: border-box;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: max(16px, env(safe-area-inset-top)) 12px max(16px, env(safe-area-inset-bottom));
    -webkit-backdrop-filter: blur(3px);
    backdrop-filter: blur(3px);
  }

  .modal-backdrop .modal {
    box-sizing: border-box;
    min-height: 0;
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - max(16px, env(safe-area-inset-top)) - max(16px, env(safe-area-inset-bottom)));
  }

  .modal-backdrop .modal-body {
    min-height: 0;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .modal-backdrop .modal-head {
    min-width: 0;
  }

  .modal-backdrop .modal-head h3 {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .modal-backdrop .modal-foot,
  .modal-backdrop .modal-footer,
  .modal-backdrop .package-detail-actions,
  .modal-backdrop .package-form-actions {
    flex-wrap: wrap;
  }

  .modal-backdrop .modal-foot .btn,
  .modal-backdrop .modal-footer .btn {
    min-width: 0;
    flex: 1 1 140px;
    justify-content: center;
  }

  .modal-backdrop .package-detail-actions > .btn,
  .modal-backdrop .package-form-actions > .btn {
    min-width: 0;
    flex: 1 1 180px;
  }
}

@media (max-width: 640px) and (pointer: coarse) {
  .modal-backdrop {
    padding-right: max(12px, env(safe-area-inset-right));
    padding-left: max(12px, env(safe-area-inset-left));
    background-color: rgba(7, 12, 22, .78);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .modal-backdrop .modal {
    width: 100%;
    max-width: 100%;
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - max(16px, env(safe-area-inset-top)) - max(16px, env(safe-area-inset-bottom)));
    border-radius: 16px;
    animation: modal-mobile-enter 150ms cubic-bezier(.2, .7, .3, 1) both;
  }

  .modal-backdrop .modal-head {
    gap: 10px;
    padding: 14px 16px;
  }

  .modal-backdrop .modal-head h3 {
    font-size: clamp(1rem, 4.5vw, 1.2rem);
  }

  .modal-backdrop .modal-body {
    padding: 16px !important;
  }

  .modal-backdrop .modal-foot,
  .modal-backdrop .modal-footer {
    gap: 8px !important;
    padding: 12px 16px !important;
  }

  .modal-backdrop .modal-foot .btn,
  .modal-backdrop .modal-footer .btn {
    flex: 1 1 calc(50% - 8px);
  }

  .modal-backdrop .modal-body > div[style*="justify-content: flex-end"] {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px !important;
  }

  .modal-backdrop .modal-body > div[style*="justify-content: flex-end"] > .btn {
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    justify-content: center;
    padding: 9px 10px;
    white-space: normal;
    line-height: 1.25;
  }

  #detailActionContainer {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    gap: 8px !important;
    margin-top: 18px !important;
    padding-top: 14px !important;
  }

  #detailActionContainer > .btn {
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    min-height: 42px;
    justify-content: center;
    margin: 0;
    padding: 9px 10px;
    white-space: normal;
    line-height: 1.25;
  }

  #packageDetailModal .modal-body {
    padding: 18px 16px !important;
  }

  #packageDetailModal .package-detail-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  #packageDetailModal .package-detail-actions > .btn {
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    min-height: 44px;
    justify-content: center;
    padding: 9px 10px;
    white-space: normal;
    line-height: 1.25;
  }

  #packageDetailModal .package-detail-actions > .btn:last-child {
    grid-column: 1 / -1;
  }

  #packageDetailModal .package-detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #packageDetailModal .package-detail-hero {
    align-items: flex-start;
  }

  .detail-subject-line,
  .broadcast-preview-subject {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (max-width: 420px) and (pointer: coarse) {
  #detailActionContainer,
  #packageDetailModal .package-detail-actions,
  .modal-backdrop .modal-body > div[style*="justify-content: flex-end"] {
    grid-template-columns: minmax(0, 1fr);
  }

  #packageDetailModal .package-detail-actions > .btn:last-child {
    grid-column: auto;
  }

  #packageDetailModal .package-detail-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) and (pointer: coarse) and (prefers-reduced-motion: reduce) {
  .modal-backdrop .modal {
    animation: none;
  }
}

@keyframes modal-mobile-enter {
  from { opacity: 0; transform: translate3d(0, 6px, 0); }
  to { opacity: 1; transform: translate3d(0, 0, 0); }
}