/* Compact, visible kit contents with explicit model choices and one mobile buy bar. */
.glass-builder-bar { display: none; }
/* The side summary owns the desktop total; stacked/short layouts keep the rail total. */
@media (min-width: 1081px) and (min-height: 601px) {
  .glass-builder-layout .pdp-rail-price { display: none; }
}
@media (min-width: 1021px) and (min-height: 601px) {
  .glass-builder-layout .qgc-rail-price { display: none; }
}
.glass-builder-layout .qb-group { padding: 18px 0; }
.glass-builder-layout .qb-row, .glass-builder-layout .qgc-row { padding: 13px 0; gap: 10px 16px; }
.glass-builder-layout .qb-actions .btn, .glass-builder-layout .qgc-actions .btn { font-size: 14px; padding: 10px 14px; min-height: 44px; }
.glass-builder-layout .qb-summary-total .price.lg { font-size: 28px; }
.glass-editor-tools { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 4px; font-size: 13px; color: var(--text-dim); }
.glass-editor-tools button { min-height: 44px; padding: 8px 0 8px 12px; background: transparent; border: 0; color: var(--brand-ink); font: inherit; font-weight: 600; cursor: pointer; }
.glass-editor-tools button:focus-visible { outline: 2px solid var(--brand-ink); outline-offset: 2px; }
.glass-required { display: inline-block; color: var(--brand-ink); font-size: 12px; font-weight: 600; padding: 8px 10px; background: var(--brand-tint); border: 1px solid var(--line-2); border-radius: 8px; }
.glass-model-picker { grid-column: 1 / -1; min-width: 0; }
.glass-model-picker > summary { display: flex; align-items: center; gap: 8px; min-height: 44px; width: fit-content; color: var(--brand-ink); font-size: 13px; font-weight: 600; cursor: pointer; list-style: none; }
.glass-model-picker > summary::-webkit-details-marker { display: none; }
.glass-model-picker > summary::after { content: "⌄"; font-size: 18px; }
.glass-model-picker[open] > summary::after { content: "⌃"; }
.glass-model-picker summary:focus-visible, .glass-model-picker button:focus-visible, .glass-builder-bar button:focus-visible { outline: 2px solid var(--brand-ink); outline-offset: 3px; border-radius: 6px; }
.glass-model-options { display: grid; gap: 8px; margin: 4px 0 8px; }
.glass-model-options > button { width: 100%; display: flex; align-items: center; gap: 10px; text-align: left; padding: 10px; min-height: 64px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--surface); color: var(--text); font: inherit; cursor: pointer; }
.glass-model-options > button[aria-pressed="true"] { border-color: var(--brand-ink); background: var(--brand-tint); }
.glass-model-options img, .glass-model-options .product-photo-missing { flex: none; width: 46px; height: 46px; object-fit: contain; border-radius: 7px; background: var(--tile); }
.glass-model-options strong { display: block; font-size: 13px; }
.glass-model-options small { display: block; font-size: 12px; color: var(--text-dim); line-height: 1.4; margin-top: 4px; }
.glass-model-selected { margin-left: auto; color: var(--brand-ink); font-size: 11px; }
.glass-builder-layout .qb-row-choice { grid-template-columns: minmax(0, 1fr) auto; }
.glass-builder-layout .qb-row-choice .qb-product-head { grid-row: auto; }
.glass-builder-layout .qb-row-choice .qb-row-price-line { grid-column: 1 / -1; justify-content: flex-start; }
.glass-builder-layout .qb-row-choice .glass-model-picker { grid-row: 2; }
.glass-builder-layout .qgc-note { grid-column: 1 / -1; text-align: left; margin: 0; }
.qgc-requirements { padding: 16px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--surface); }
.qgc-voltage-summary { font-size: 13px; color: var(--text-dim); margin: 8px 0 0; }
.qgc-voltage-summary strong { color: var(--text); }
.qgc-requirement-note, .qgc-voltage-confirmed { font-size: 13px; line-height: 1.5; margin: 8px 0 10px; }
.qgc-voltage-confirmed { color: var(--brand-ink); margin-bottom: 0; }
@media (max-width: 760px) {
  .has-glass-purchase-bar { padding-bottom: calc(var(--kit-purchase-bar-height, 140px) + 16px); }
  .glass-builder-layout .pdp-rail { display: none; }
  .has-glass-purchase-bar .sa-btn { bottom: calc(var(--kit-purchase-bar-height, 140px) + 12px); }
  .glass-builder-layout .glass-builder-bar { display: grid; position: fixed; z-index: 55; inset: auto 0 0; gap: 9px; padding: 12px max(16px, env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line-2); background: var(--surface); box-shadow: 0 -4px 18px rgba(0,0,0,.2); }
  .glass-builder-bar-info { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; }
  .glass-builder-bar-info > span { min-width: 0; display: grid; gap: 3px; }
  .glass-builder-bar-info strong { font-size: 13px; line-height: 1.3; }
  .glass-builder-bar-info small { color: var(--text-dim); font-size: 11px; line-height: 1.3; }
  .glass-builder-bar-price { text-align: right; }
  .glass-builder-bar-price strong { font: 600 13px var(--mono); }
  .glass-builder-bar .btn { min-height: 44px; padding: 10px 12px; font-size: 14px; width: 100%; }
  .glass-builder-layout .pdp-story-sec { padding-top: 28px; padding-bottom: 28px; }
  .glass-builder-layout .pdp-story-head { margin-bottom: 16px; }
  .glass-builder-layout .qb-sec-intro, .glass-builder-layout .pdp-customise-intro { margin: 0 0 18px; font-size: 14px; line-height: 1.55; }
  .glass-builder-layout .qb-group, .glass-builder-layout .qgc-block { scroll-margin-top: var(--pdp-anchor-top, 100px); }
  .glass-builder-layout .qb-group { padding: 14px 0; }
  .glass-builder-layout .qb-group-title { margin-bottom: 10px; }
  .glass-builder-layout .qb-group-intro { font-size: 13px; margin-bottom: 12px; }
  .glass-builder-layout .qgc-form { gap: 20px; }
  .glass-builder-layout .qb-config, .glass-builder-layout .qgc { gap: 22px; }
  .glass-builder-layout .qb-summary, .glass-builder-layout .qgc-summary { scroll-margin-top: var(--pdp-anchor-top, 100px); }
  .glass-builder-layout .qb-summary-total .price.lg, .glass-builder-layout .qgc-total strong { font-size: 25px; }
  .glass-builder-layout .qgc-pill { min-height: 44px; }
  .glass-builder-layout .qb-row, .glass-builder-layout .qgc-row { grid-template-columns: minmax(0, 1fr); background: var(--surface); border: 1px solid var(--line-2); border-radius: 12px; padding: 12px; margin: 0 0 10px; }
  .glass-builder-layout .qb-row > .qb-row-side, .glass-builder-layout .qb-row-controls, .glass-builder-layout .qgc-row-body { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
  .glass-builder-layout .qb-row-price, .glass-builder-layout .qb-row-price-line { text-align: left; justify-items: start; }
  .glass-builder-layout .qb-product-head, .glass-builder-layout .qgc-row-head { gap: 10px; }
  .glass-builder-layout .qb-row-name, .glass-builder-layout .qgc-name { font-size: 14px; line-height: 1.4; }
  .glass-builder-layout .qb-row-note, .glass-builder-layout .qgc-role { font-size: 12px; }
  .glass-builder-layout .qgc-group { font-size: 10px; margin-top: 0; }
  .glass-builder-layout .qgc-rows { border-top: 0; }
  .glass-builder-layout .qb-row-choice .glass-model-picker { grid-row: auto; }
  .glass-builder-layout :is(button, input, select, summary) { scroll-margin-bottom: calc(var(--kit-purchase-bar-height, 140px) + 16px); }
  .glass-model-selected { display: none; }
}
@media (prefers-reduced-motion: reduce) { .glass-builder-bar, .glass-model-picker * { transition: none; } }

/* One blue editing area, with reference content outside the main decisions. */
.glass-builder-layout .glass-builder-panel {
  margin-block: 24px 36px; padding: clamp(16px, 2.5vw, 28px);
  border: 1px solid rgba(75, 143, 215, .45); border-radius: 18px;
  background: linear-gradient(135deg, rgba(64, 127, 194, .14), rgba(64, 127, 194, .045));
  min-width: 0;
}
.glass-builder-panel > .pdp-story-head { margin-bottom: 12px; }
.glass-builder-panel > :is(.qb-sec-intro, .pdp-customise-intro) { font-size: 14px; margin-bottom: 12px; }
.glass-builder-intro { margin: 0 0 20px; max-width: 70ch; font-size: 14px; line-height: 1.6; color: var(--text); }
.glass-builder-options { margin: 0 0 24px; }
.glass-builder-options > p { margin: 0 0 10px; font-size: 14px; font-weight: 600; }
.glass-builder-option-links { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.glass-builder-option-links a { display: flex; gap: 10px; align-items: center; padding: 10px; min-height: 66px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--surface); color: var(--text); font-size: 13px; font-weight: 600; text-decoration: none; }
.glass-builder-option-links a:hover { border-color: var(--brand-ink); background: var(--brand-tint); }
.glass-builder-option-links :is(img, .product-photo-missing) { flex: none; width: 44px; height: 44px; object-fit: contain; border-radius: 6px; background: var(--tile); }
.glass-builder-option-links small { display: block; margin-top: 3px; color: var(--brand-ink); font-size: 11px; font-weight: 400; }
.glass-builder-option-links a:focus-visible, .glass-reference > summary:focus-visible { outline: 2px solid var(--brand-ink); outline-offset: 3px; }
.glass-builder-panel :is(.qb-row, .qb-units, .qgc-row) { scroll-margin-top: var(--pdp-anchor-top, 110px); }
.glass-builder-panel :is(.qb-row, .qb-units, .qgc-row):focus { outline: 2px solid var(--brand-ink); outline-offset: 4px; border-radius: 8px; }
.glass-builder-layout .glass-reference-section { padding-block: 12px; border-top: 0; }
.glass-reference { border: 1px solid var(--line-2); border-radius: 12px; background: var(--surface); }
.glass-reference > summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px; min-height: 56px; cursor: pointer; color: var(--text); font-size: 15px; font-weight: 600; list-style: none; }
.glass-reference > summary::-webkit-details-marker { display: none; }
.glass-reference > summary::after { content: "+"; color: var(--brand-ink); font-size: 22px; }
.glass-reference[open] > summary::after { content: "−"; }
.glass-reference-content { padding: 0 18px 18px; }
.glass-reference-content > .pdp-story-head { display: none; }
.glass-builder-panel > .glass-reference-section { margin-top: 24px; padding-bottom: 0; }
.glass-builder-layout .pdp-journey-note { text-align: center; margin-inline: auto; }
@media (max-width: 900px) { .glass-builder-option-links { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) {
  .glass-builder-layout .glass-builder-panel { padding: 16px 12px; border-radius: 14px; }
  .glass-builder-option-links { gap: 8px; }
  .glass-builder-option-links a { gap: 8px; padding: 10px 8px; font-size: 12px; }
  .glass-builder-option-links :is(img, .product-photo-missing) { width: 36px; height: 40px; }
  .glass-reference-content { padding: 0 12px 12px; }
  .glass-reference > summary { padding: 14px 12px; }
}

@media (max-width: 760px) {
  .glass-builder-panel .qgc-grow-row { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 10px; padding: 12px; }
  .glass-builder-panel .pdp-complete-media { display: block; width: 52px; height: 52px; }
  .glass-builder-panel .pdp-complete-price { grid-column: 1 / -1; width: auto; }
  .glass-builder-panel .qgc-grow-add { grid-column: 1 / -1; justify-self: start; min-height: 44px; }
}

/* Long configurations must scroll within the sticky card, never over additions. */
.glass-builder-layout .qb-summary-inner { display: flex; flex-direction: column; overflow-y: auto; border-radius: inherit; }
.glass-builder-layout .qb-summary-inner > :not(.qb-summary-details) { flex-shrink: 0; }
.glass-builder-layout .qb-summary-details { flex: 1 1 auto; min-height: 0; }