/* Mobile editor layout. Desktop unchanged. */
@media (min-width: 769px) {
  #mobile-toolbar,
  #mobile-settings-drawer {
    display: none !important;
  }
}

/* Phones and small tablets */
@media (max-width: 768px) {
  /* Hide typical desktop panels if present */
  .editor-sidebar-left,
  .editor-sidebar-right,
  .top-toolbar,
  .left-toolbar {
    display: none !important;
  }

  /* Make the editor root fill the viewport */
  html, body {
    height: 100%;
    overflow: hidden; /* prevent background scroll under drawer */
  }

  .editor-root,
  .editor-layout,
  .editor-main,
  .canvas-container,
  #canvas-stage {
    height: 100%;
  }

  /* Reserve space for bottom toolbar */
  .editor-main,
  .canvas-container,
  #canvas-stage {
    position: relative;
    padding-bottom: 64px; /* toolbar height */
    box-sizing: border-box;
  }

  /* Center canvas content */
  .canvas-container,
  #canvas-stage {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Bottom toolbar */
  .lb-mobile-toolbar {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    height: 64px;
    background: #ffffff;
    border-top: 1px solid #d9d9d9;
    z-index: 1000;
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    align-items: center;
    justify-content: space-between;
  }

  .lb-tool-btn {
    appearance: none;
    border: none;
    background: transparent;
    padding: 6px 8px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    font-size: 11px;
    line-height: 1;
    min-width: 48px;
  }

  .lb-tool-btn:focus-visible {
    outline: 2px solid #4d90fe;
    outline-offset: 2px;
  }

  .lb-tool-btn.is-active {
    background: #f1f5f9; /* subtle */
  }

  .lb-tool-text {
    white-space: nowrap;
  }

  /* Simple icon squares. Replace with your real icons via background-image if desired */
  .lb-icon {
    width: 20px;
    height: 20px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
  }

  /* Settings toggle distinct */
  .lb-tool-settings-toggle {
    border-left: 1px solid #e5e7eb;
    padding-left: 12px;
    margin-left: 4px;
  }

  /* Drawer */
  .lb-mobile-settings {
    position: fixed;
    left: 0; right: 0; bottom: 64px; /* above toolbar */
    max-height: 60vh;
    background: #ffffff;
    border-top: 1px solid #d9d9d9;
    box-shadow: 0 -8px 20px rgba(0,0,0,0.08);
    z-index: 1001;
    transform: translateY(110%);
    transition: transform 160ms ease-out;
    display: flex;
    flex-direction: column;
  }

  .lb-mobile-settings.is-open {
    transform: translateY(0%);
  }

  .lb-mobile-settings__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid #e5e7eb;
  }

  .lb-mobile-settings__title {
    font-size: 14px;
    font-weight: 600;
  }

  .lb-close-btn {
    appearance: none;
    border: none;
    background: transparent;
    width: 28px;
    height: 28px;
    border-radius: 6px;
  }
  .lb-close-btn:focus-visible {
    outline: 2px solid #4d90fe;
    outline-offset: 2px;
  }
  .lb-i-close { border: 1px solid #cbd5e1; border-radius: 4px; width: 20px; height: 20px; }

  .lb-mobile-settings__content {
    overflow: auto;
    padding: 10px 12px;
    min-height: 120px;
  }
}