:root {
    --ir-accent: #10b981;
    --ir-accent-dark: #0d9668;
    --ir-navy: #1e2a4a;
    --ir-border: #d1d5db;
  }
  .ir-wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
  .ir-sub { color: var(--ir-navy); font-weight: 600; font-size: 15px; margin-bottom: 22px; text-align:center; }
  .ir-drop-initial {
    border: 2px dashed var(--ir-accent); border-radius: 12px; padding: 60px 20px; text-align: center;
    cursor: pointer; transition: border-color .15s, background .15s; background: #f0fdf9;
  }
  .ir-drop-initial:hover, .ir-drop-initial.ir-dragover { border-color: var(--ir-accent-dark); background: #e3fbf3; }
  .ir-drop-initial svg { width: 46px; height: 46px; color: var(--ir-accent); margin-bottom: 12px; }
  .ir-drop-initial-text { font-size: 16px; font-weight: 700; color: var(--ir-navy); }
  .ir-drop-initial-sub { font-size: 13px; color: #4b5563; margin-top: 6px; }
  .ir-wrap.ir-has-files .ir-drop-initial { display: none; }
  #irFileInput { display: none; }
  .ir-editor { display: none; gap: 20px; align-items: flex-start; }
  .ir-wrap.ir-has-files .ir-editor { display: flex; }
  .ir-sidebar-col {
    width: 300px; flex-shrink: 0; position: sticky; top: 20px;
  }
  .ir-sidebar {
    background: #fff; border: 1px solid var(--ir-border);
    border-radius: 10px; padding: 20px;
  }
  .ir-sidebar-title { font-size: 18px; font-weight: 800; color: var(--ir-navy); margin: 0 0 16px; }
  .ir-tabs { display: flex; background: #f3f4f6; border-radius: 8px; padding: 3px; margin-bottom: 18px; }
  .ir-tab {
    flex: 1; text-align: center; padding: 8px 6px; font-size: 12px; font-weight: 600; color: #6b7280;
    background: none; border: none; border-radius: 6px; cursor: pointer; white-space: nowrap;
  }
  .ir-tab.active { background: #fff; color: var(--ir-navy); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
  .ir-panel { display: none; }
  .ir-panel.active { display: block; }
  .ir-field-label { font-size: 13px; font-weight: 600; color: var(--ir-navy); margin-bottom: 8px; display: block; }
  .ir-dims-row { display: flex; gap: 10px; margin-bottom: 14px; }
  .ir-dims-row > div { flex: 1; }
  .ir-dims-row label { display: block; font-size: 12px; color: #6b7280; margin-bottom: 4px; }
  .ir-dims-row input { width: 100%; padding: 9px 10px; border: 1px solid var(--ir-border); border-radius: 6px; font-size: 13.5px; }
  .ir-dims-row input:focus { outline: none; border-color: var(--ir-accent); }
  .ir-checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #374151; margin-bottom: 18px; cursor: pointer; }
  .ir-checkbox-row input { accent-color: var(--ir-accent); width: 15px; height: 15px; }
  .ir-select {
    width: 100%; padding: 9px 10px; border: 1px solid var(--ir-border); border-radius: 6px;
    font-size: 13.5px; color: var(--ir-navy); background: #fff; margin-bottom: 14px;
  }
  .ir-select:focus { outline: none; border-color: var(--ir-accent); }
  .ir-percent-val { font-size: 22px; font-weight: 800; color: var(--ir-accent-dark); text-align: center; margin-bottom: 6px; }
  .ir-percent-slider { width: 100%; accent-color: var(--ir-accent); margin-bottom: 8px; }
  .ir-percent-hint { font-size: 12px; color: #6b7280; text-align: center; margin-bottom: 18px; }
  .ir-export-btn {
    width: 100%; background: var(--ir-accent); color: #fff; border: none; padding: 13px 20px;
    border-radius: 8px; font-size: 14.5px; font-weight: 700; cursor: pointer; margin-top: 8px;
  }
  .ir-export-btn:hover { background: var(--ir-accent-dark); }
  .ir-export-btn:disabled { background: #9ca3af; cursor: not-allowed; }
  .ir-sidebar-actions { display: flex; gap: 8px; margin-top: 12px; }
  .ir-sidebar-actions button {
    flex: 1; background: #fff; border: 1px solid var(--ir-border); color: var(--ir-navy);
    padding: 8px; border-radius: 6px; font-size: 12.5px; font-weight: 600; cursor: pointer;
  }
  .ir-sidebar-actions button:hover { border-color: var(--ir-navy); }
  .ir-main { flex: 1; min-width: 0; }

  /* ==== GRID TOOLBAR (add / filter / clear) ==== */
  .ir-grid-toolbar {
    display: none;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 6px;
  }
  .ir-wrap.ir-has-files .ir-grid-toolbar { display: grid; }
  .ir-toolbar-group { display: contents; }
  .ir-filter-wrap { position: relative; width: 100%; display: block; }
  .ir-filter-wrap .ir-toolbar-icon-btn { width: 100%; height: 42px; }
  .ir-toolbar-hint {
    display: none;
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 14px;
  }
  .ir-wrap.ir-has-files .ir-toolbar-hint { display: block; }
  .ir-toolbar-group { display: flex; align-items: center; gap: 8px; }
  .ir-toolbar-icon-btn {
    width: 100%;
    height: 42px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid var(--ir-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--ir-navy);
    font-size: 18px;
    font-weight: 600;
    padding: 0;
  }
  .ir-toolbar-icon-btn:hover { border-color: var(--ir-accent); color: var(--ir-accent-dark); }
  .ir-toolbar-icon-btn svg { width: 17px; height: 17px; }

  .ir-filter-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 160px;
    background: #fff;
    border: 1px solid var(--ir-border);
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0,0,0,.1);
    padding: 6px;
    z-index: 50;
    text-align: left;
  }
  .ir-filter-dropdown.ir-show { display: block; }
  .ir-filter-option {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 8px 10px;
    font-size: 13px;
    font-weight: 500;
    color: #374151;
    border-radius: 6px;
    cursor: pointer;
  }
  .ir-filter-option:hover { background: #f3f4f6; }
  .ir-filter-option.active { background: #ecfdf5; color: var(--ir-accent-dark); font-weight: 700; }
  .ir-summary-bar {
    display: none; align-items: center; justify-content: space-between; background: #fff;
    border: 1px solid var(--ir-border); border-radius: 10px; padding: 14px 18px; margin-bottom: 16px;
    flex-wrap: wrap; gap: 10px;
  }
  .ir-summary-bar.ir-show { display: flex; }
  .ir-summary-bar-left { font-size: 13.5px; color: #4b5563; }
  .ir-summary-bar-left b { color: var(--ir-navy); }
  .ir-progress-mini { display: none; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ir-accent-dark); font-weight: 600; }
  .ir-progress-mini.ir-show { display: flex; }
  .ir-progress-mini-track { width: 100px; height: 6px; background: #e5e7eb; border-radius: 4px; overflow: hidden; }
  .ir-progress-mini-fill { height: 100%; width: 0%; background: var(--ir-accent); border-radius: 4px; transition: width .2s; }
  .ir-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
  .ir-add-tile {
    border: 2px dashed var(--ir-border); border-radius: 10px; aspect-ratio: 1/1; display: flex;
    flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: #9ca3af;
    cursor: pointer; background: #fff; font-size: 12px; font-weight: 600; text-align: center; padding: 10px;
  }
  .ir-add-tile:hover { border-color: var(--ir-accent); color: var(--ir-accent-dark); background: #f0fdf9; }
  .ir-add-tile svg { width: 26px; height: 26px; }
  .ir-card { background: #fff; border: 1px solid var(--ir-border); border-radius: 10px; overflow: hidden; position: relative; }
  .ir-thumb-wrap { position: relative; width: 100%; aspect-ratio: 1/1; background: #f3f4f6; overflow: hidden; }
  .ir-thumb-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .ir-card-icons { position: absolute; top: 6px; right: 6px; display: flex; gap: 4px; }
  .ir-card-icon-btn {
    width: 26px; height: 26px; border-radius: 50%; background: rgba(30,42,74,0.55);
    display: flex; align-items: center; justify-content: center; color: #fff; cursor: pointer; border: none; padding: 0;
  }
  .ir-card-icon-btn:hover { background: rgba(30,42,74,0.85); }
  .ir-card-icon-btn svg { width: 13px; height: 13px; }
  .ir-card-badge {
    position: absolute; bottom: 6px; left: 6px; background: var(--ir-accent); color: #fff;
    font-size: 10.5px; font-weight: 700; padding: 3px 7px; border-radius: 5px;
  }
  .ir-card-spinner { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.6); }
  .ir-spin { width: 20px; height: 20px; border: 3px solid var(--ir-border); border-top-color: var(--ir-accent); border-radius: 50%; animation: ir-spin .7s linear infinite; }
  @keyframes ir-spin { to { transform: rotate(360deg); } }
  .ir-card-info { padding: 8px 9px 10px; }
  .ir-card-name { font-size: 11px; font-weight: 600; color: var(--ir-navy); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 2px; }
  .ir-card-dims { font-size: 10.5px; color: #6b7280; }
  .ir-dim-compare { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }
  .ir-dim-pill {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 20px;
    white-space: nowrap;
  }
  .ir-dim-pill.ir-dim-before { background: #e5e7eb; color: #4b5563; }
  .ir-dim-pill.ir-dim-after { background: var(--ir-accent); color: #fff; }
  .ir-dim-arrow { color: #9ca3af; font-size: 11px; }
  .ir-card-download {
    display: none; width: 100%; margin-top: 6px; background: var(--ir-navy); color: #fff; border: none;
    padding: 6px; border-radius: 5px; font-size: 11px; font-weight: 600; cursor: pointer;
  }
  .ir-card-download.ir-show { display: block; }
  .ir-note { font-size: 13px; color: #6b7280; margin-top: 24px; text-align: center; }
  @media (max-width: 800px) {
    .ir-editor { flex-direction: column; }
    .ir-sidebar-col { width: 100%; position: static; }
  }