@media (max-width: 1050px) {
  body[data-page="workspace"] .app-container {
    height: 100dvh;
  }

  body[data-page="workspace"] .workspace {
    flex-direction: column;
    gap: 0;
    min-height: 0;
  }

  body[data-page="workspace"] .chat-pane {
    width: 100%;
    max-width: none;
    min-width: 0;
    border-right: none;
    border-bottom: none;
    min-height: 0;
  }

  body[data-page="workspace"] .preview-pane {
    display: none;
  }

  body[data-page="workspace"] .mobile-shortcut-card {
    display: flex;
  }

  body[data-page="workspace"] .mobile-shortcut-card.hidden {
    display: none;
  }

  body[data-page="workspace"] #top-download-btn {
    display: none !important;
  }

  body[data-page="workspace"] .messages-container {
    max-height: none;
    padding-top: 0.65rem;
    padding-bottom: calc(15rem + env(safe-area-inset-bottom));
    min-height: 0;
  }

  body[data-page="workspace"] .messages-container:empty::before {
    content: none;
    display: none;
  }

  body[data-page="workspace"] #chat-empty-state {
    position: absolute;
    top: 190px;
    left: 1.5rem;
    right: 1.5rem;
    bottom: calc(11rem + env(safe-area-inset-bottom));
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
  }

  body[data-page="workspace"] #chat-empty-state.hidden {
    display: none;
  }

  body[data-page="workspace"] .chat-input-area {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  }

  body[data-page="workspace"] .resize-handle {
    display: none;
  }

  body[data-page="workspace"] .chat-header {
    padding: 0 0.75rem;
    height: 56px;
    gap: 0.5rem;
    display: grid;
    grid-template-columns: 36px 1fr 36px;
    align-items: center;
    top: 0;
  }

  body[data-page="workspace"] #chat-header-title {
    display: none;
  }

  body[data-page="workspace"] #mobile-project-name-input {
    display: block;
    width: 100%;
  }

  body[data-page="workspace"] #mobile-project-edit-btn {
    display: inline-flex;
    justify-self: end;
  }

  body[data-page="workspace"] .chat-header-titles {
    justify-content: center;
    text-align: center;
  }

  body[data-page="workspace"] .mobile-shortcut-card {
    position: fixed;
    left: 0.75rem;
    right: 0.75rem;
    bottom: calc(5.3rem + env(safe-area-inset-bottom));
    margin: 0;
    z-index: 45;
  }

  body[data-page="workspace"] .mobile-shortcut-card.hidden {
    display: none;
  }

  body[data-page="workspace"].mobile-preview-open .preview-pane {
    display: flex;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    z-index: 70;
    background: var(--bg-color);
    overflow: hidden;
  }

  body[data-page="workspace"].mobile-preview-open .preview-canvas {
    overflow: hidden;
    overflow-y: auto;
  }

  body[data-page="workspace"].mobile-preview-open .mobile-preview-close-btn {
    display: inline-flex;
  }

  body[data-page="workspace"].mobile-preview-open .chat-header-titles {
    display: none;
  }

  body[data-page="workspace"].mobile-preview-open .chat-header {
    display: none;
  }

  body[data-page="workspace"].mobile-preview-open .preview-toolbar {
    height: 48px;
    padding: 0 0.75rem;
    border-top: 1px solid var(--border-color);
    border-bottom: none;
    gap: 0.5rem;
    flex-wrap: nowrap;
    background: var(--surface-color);
    position: relative;
    z-index: 5;
  }

  body[data-page="workspace"].mobile-preview-open .project-title-wrap {
    display: none;
  }

  body[data-page="workspace"].mobile-preview-open .toolbar-actions {
    width: auto;
    margin-left: auto;
  }

  body[data-page="workspace"].mobile-preview-open .toolbar-actions > * {
    display: none;
  }

  body[data-page="workspace"].mobile-preview-open #edit-btn {
    display: inline-flex;
    width: auto;
    height: 32px;
    padding: 0 0.85rem;
    font-size: 0.8rem;
  }

  body[data-page="workspace"].mobile-preview-open .mobile-preview-close-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--surface-hover);
    color: var(--text-color);
    box-shadow: var(--shadow-sm);
    align-items: center;
    justify-content: center;
  }

  body[data-page="workspace"].mobile-preview-open .mobile-preview-close-btn:hover {
    background: var(--surface-color);
    border-color: rgba(59, 130, 246, 0.35);
  }

  body[data-page="workspace"].mobile-preview-open .chat-input-area {
    display: none;
  }

  body.dragging-action {
    overscroll-behavior: contain;
    touch-action: none;
  }

  body.dragging-action .preview-canvas {
    touch-action: none;
  }

  body.dragging-action #actions-container {
    touch-action: none;
  }

  body[data-page="workspace"].mobile-preview-open .preview-canvas {
    padding: 0.9rem 0.85rem;
    overflow-x: hidden;
  }

  body[data-page="workspace"].mobile-preview-open .action-node,
  body[data-page="workspace"].mobile-preview-open .if-block,
  body[data-page="workspace"].mobile-preview-open .repeat-block,
  body[data-page="workspace"].mobile-preview-open .menu-block {
    flex-direction: row;
    align-items: flex-start;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0.85rem;
    gap: 0.75rem;
  }

  body[data-page="workspace"].mobile-preview-open .node-header {
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.5rem;
  }

  body[data-page="workspace"].mobile-preview-open .node-title {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }

  body[data-page="workspace"].mobile-preview-open .action-node.nested,
  body[data-page="workspace"].mobile-preview-open .action-node[data-type="Otherwise"] {
    margin-left: 0.6rem;
  }

  body[data-page="workspace"].mobile-preview-open .node-param {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
  }

  body[data-page="workspace"].mobile-preview-open .node-params {
    gap: 0.4rem;
  }

  body[data-page="workspace"].mobile-preview-open .node-param {
    font-size: 0.8rem;
  }

  body[data-page="workspace"].mobile-preview-open .node-param .param-label {
    font-size: 0.75rem;
    line-height: 1.2;
    min-width: 110px;
    flex: 0 0 110px;
  }

  body[data-page="workspace"].mobile-preview-open .node-param .param-value {
    padding: 0.3rem 0.45rem;
    font-size: 0.75rem;
    min-height: 30px;
    width: auto;
    flex: 1 1 auto;
    word-break: break-word;
  }

  body[data-page="workspace"].mobile-preview-open .param-with-insert {
    flex: 1 1 auto;
  }

  body[data-page="workspace"].mobile-preview-open .param-number,
  body[data-page="workspace"].mobile-preview-open .param-select {
    width: auto;
    flex: 1 1 auto;
  }

  body[data-page="workspace"].mobile-preview-open .node-param.checkbox-param {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
  }

  body[data-page="workspace"].mobile-preview-open .node-param.checkbox-param .param-checkbox {
    width: 18px;
    height: 18px;
  }

  body.dragging-action {
    overflow: hidden;
  }

  /* Prevent text selection during pill drag */
  body.dragging-pill {
    user-select: none;
    -webkit-user-select: none;
    cursor: grabbing !important;
  }

  body.dragging-pill * {
    cursor: grabbing !important;
  }
}

/* Very narrow mobile devices (under 380px) */
@media (max-width: 380px) {
  body[data-page="workspace"] .chat-header {
    grid-template-columns: 32px 1fr 32px;
    gap: 0.35rem;
    padding: 0 0.5rem;
    height: 48px;
  }

  body[data-page="workspace"] #mobile-project-name-input {
    font-size: 0.9rem;
    padding: 0.3rem 0.45rem;
  }

  body[data-page="workspace"] #mobile-project-edit-btn {
    width: 28px;
    height: 28px;
  }

  body[data-page="workspace"] .mobile-shortcut-card {
    left: 0.5rem;
    right: 0.5rem;
    bottom: calc(4.8rem + env(safe-area-inset-bottom));
    padding: 0.65rem 0.85rem;
  }

  body[data-page="workspace"] .mobile-shortcut-card .shortcut-icon {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }

  body[data-page="workspace"] .mobile-shortcut-card .shortcut-name {
    font-size: 0.85rem;
  }

  body[data-page="workspace"] .mobile-shortcut-card .shortcut-action-count {
    font-size: 0.7rem;
  }

  body[data-page="workspace"] .mobile-card-actions button {
    width: 32px;
    height: 32px;
    min-width: 32px;
  }

  body[data-page="workspace"] .chat-input-area {
    padding: 0.5rem 0.65rem calc(0.5rem + env(safe-area-inset-bottom));
  }

  body[data-page="workspace"] .messages-container {
    padding: 0.5rem;
    padding-bottom: calc(13rem + env(safe-area-inset-bottom));
  }

  body[data-page="workspace"] #chat-empty-state {
    left: 1rem;
    right: 1rem;
    bottom: calc(9.5rem + env(safe-area-inset-bottom));
  }

  body[data-page="workspace"] #chat-empty-state h3 {
    font-size: 1rem;
  }

  body[data-page="workspace"] #chat-empty-state p {
    font-size: 0.8rem;
  }

  body[data-page="workspace"] .chat-empty-state .empty-icon {
    width: 48px;
    height: 48px;
    font-size: 1.75rem;
  }

  body[data-page="workspace"].mobile-preview-open .preview-canvas {
    padding: 0.65rem 0.5rem;
  }

  body[data-page="workspace"].mobile-preview-open .action-node,
  body[data-page="workspace"].mobile-preview-open .if-block,
  body[data-page="workspace"].mobile-preview-open .repeat-block,
  body[data-page="workspace"].mobile-preview-open .menu-block {
    padding: 0.65rem;
    gap: 0.5rem;
  }

  body[data-page="workspace"].mobile-preview-open .node-title {
    font-size: 0.8rem;
  }

  body[data-page="workspace"].mobile-preview-open .node-param .param-label {
    font-size: 0.7rem;
    min-width: 90px;
    flex: 0 0 90px;
  }

  body[data-page="workspace"].mobile-preview-open .node-param .param-value {
    font-size: 0.7rem;
    padding: 0.25rem 0.35rem;
    min-height: 26px;
  }
}