/* Optional lid workbench. Every selector is confined to this route. */
body[data-view="divider-box"] .brand { padding-inline: 12px; }
body[data-view="divider-box"] .header .brand-logo { width: 186px; height: auto; max-width: 100%; aspect-ratio: 400 / 141; }
#divider-page { max-width: 1440px; }
#divider-page .box-breadcrumb { margin-bottom: 14px; }
#divider-page .box-intro { max-width: 960px; margin-bottom: 14px; }
#divider-page .box-intro h1 { max-width: 900px; font-size: clamp(28px, 3.2vw, 44px); }
#divider-page .box-intro > p { max-width: 850px; margin-block: 12px; }
#divider-page .box-controls-note { margin-block: 8px 14px; }
#divider-page .divider-prototype { padding: 12px 16px; margin: 14px 0 20px; border: 1px solid var(--studio-page-warning-border); border-radius: 8px; color: var(--studio-page-warning); background: var(--studio-page-warning-bg); font-size: 12px; line-height: 1.6; }
#divider-page .box-workbench { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); grid-template-areas: "modes modes" "controls preview"; gap: 20px; }
#divider-page .divider-modes { grid-area: modes; min-width: 0; margin: 0; padding: 0; border: 0; }
#divider-page .divider-modes legend { padding: 0; margin-bottom: 10px; font-size: 14px; font-weight: 600; }
#divider-page .divider-mode-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
#divider-page .divider-mode-card { display: flex; align-items: flex-start; gap: 10px; min-height: 76px; padding: 14px; border: 1px solid var(--control-border); border-radius: 10px; background: var(--white); cursor: pointer; }
#divider-page .divider-mode-card:has(input:checked) { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
#divider-page .divider-mode-card input { flex: 0 0 18px; width: 18px; height: 18px; margin: 2px 0; accent-color: var(--accent); }
#divider-page .divider-mode-card strong { display: block; font-size: 13px; line-height: 1.5; }
#divider-page .divider-mode-card small { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; line-height: 1.5; }
#divider-page .box-controls { grid-area: controls; min-width: 0; padding: 20px; }
#divider-page .box-fields { gap: 15px 12px; }
#divider-page .box-field label { min-height: 34px; }
#divider-page #divider-lid-controls { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 20px; }
#divider-page #divider-lid-controls h3 { font-size: 14px; }
#divider-page .box-preview { grid-area: preview; position: sticky; top: 20px; }
#divider-page .box-stage canvas { height: 430px; }
#divider-page .box-invalid-preview { min-height: 430px; }
#divider-page .divider-toolbar { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr) auto; gap: 12px; align-items: center; margin-bottom: 10px; }
#divider-page .divider-toolbar h2 { min-width: 0; margin: 0; font-size: 14px; }
#divider-page .divider-part-control { min-width: 0; }
#divider-page #divider-part { width: 100%; min-height: 44px; padding: 9px 12px; margin: 0; font: inherit; }
#divider-page .box-preview-controls button { width: 42px; height: 42px; }
#divider-page .box-reset { min-height: 42px; }
#divider-page .box-actions { margin-top: 20px; gap: 10px; }
#divider-page .box-dimensions { gap: 14px; padding-top: 14px; }
#divider-page .box-dimensions dd { font-size: 15px; line-height: 1.5; }
#divider-page #divider-lid-output .box-dimensions { grid-template-columns: 1fr; margin-top: 15px; }
#divider-page #divider-guide { font-size: 12px; font-weight: 400; letter-spacing: normal; }
#divider-page .divider-notes { margin-top: 24px; border-top: 1px solid var(--line); padding-top: 12px; }
#divider-page .divider-notes summary { display: list-item; min-height: 44px; padding-block: 12px; cursor: pointer; font-size: 13px; font-weight: 600; }
#divider-page .divider-notes p { font-size: 12px; line-height: 1.8; max-width: 900px; color: var(--muted); }
#divider-page input:focus-visible,
#divider-page select:focus-visible,
#divider-page button:focus-visible,
#divider-page a:focus-visible,
#divider-page summary:focus-visible { outline: 2px solid var(--studio-page-focus); outline-offset: 3px; }
#divider-page [hidden] { display: none !important; }
@media (max-width: 1000px) {
  #divider-page .box-workbench { grid-template-columns: minmax(0, 1fr); grid-template-areas: "modes" "preview" "controls"; }
  #divider-page .box-preview { position: static; }
}
@media (max-width: 600px) {
  body[data-view="divider-box"] .header .brand-logo { width: 150px; height: auto; }
  #divider-page .divider-mode-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  #divider-page .divider-mode-card { position: relative; flex-direction: column; min-height: 84px; padding: 10px 8px; gap: 5px; }
  #divider-page .divider-mode-card > span { min-width: 0; }
  #divider-page .divider-mode-card strong { font-size: 11.5px; line-height: 1.4; overflow-wrap: anywhere; }
  #divider-page .divider-mode-card input { margin: 0; }
  #divider-page .divider-mode-card small { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; white-space: nowrap; clip-path: inset(50%); border: 0; }
  #divider-page .box-stage canvas { height: 320px; }
  #divider-page .box-invalid-preview { min-height: 320px; }
  #divider-page .box-controls { padding: 17px; }
  #divider-page .divider-toolbar { grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
  #divider-page .divider-toolbar h2 { grid-column: 1 / -1; }
  #divider-page .box-dimensions dd { font-size: 14px; }
}

#divider-page .box-controls > .divider-prototype { margin-top: 0; }