/* Only native phone geometry; original typography, controls and images stay intact. */
@media(max-width:600px){
 html[data-materials-consistency][data-cordtex-system=pwa] body main#content.p77-main .p77-hero-media{display:none!important}
 html[data-materials-consistency][data-cordtex-system=pwa] body main#content.p77-main .p77-hero-copy{padding-top:12px!important;padding-bottom:20px!important;gap:12px!important}
 html[data-materials-consistency][data-cordtex-system=pwa] body main#content.p77-main .p77-lead{margin-top:12px!important}
 html[data-materials-consistency][data-cordtex-system=pwa] body main#content.p77-main #selection{padding-top:24px!important}
 html[data-materials-consistency][data-cordtex-system=pwa] body main#content.p77-main #selection .p77-section-head{margin-bottom:12px!important}
 html[data-materials-consistency][data-cordtex-system=pwa] .materials-product-options{margin:0 0 20px;border-top:1px solid var(--sheet-line,#d2d2cd);border-bottom:1px solid var(--sheet-line,#d2d2cd)}
 html[data-materials-consistency][data-cordtex-system=pwa] .materials-product-options[hidden]{display:none!important}
 html[data-materials-consistency][data-cordtex-system=pwa] .materials-product-options>summary{display:flex;align-items:center;justify-content:space-between;gap:24px;list-style:none;padding:18px 0;min-height:48px;font-family:inherit;font-size:var(--sheet-body,13px);font-weight:500;cursor:pointer}
 html[data-materials-consistency][data-cordtex-system=pwa] .materials-product-options>summary::-webkit-details-marker{display:none}
 html[data-materials-consistency][data-cordtex-system=pwa] .materials-product-options>.r110-parameters,
 html[data-materials-consistency][data-cordtex-system=pwa] .materials-product-options>.r117-binder{margin:16px 0 0!important}
}

/* Explicit chooser affordance; existing type, size, signal colour and click area retained. */
@media(max-width:600px){
html[data-materials-consistency][data-cordtex-system=pwa] .materials-product-options[data-materials-options=thickness]>summary>.r109-plus.r9-thickness-choice::after{content:"⌄"}
html[data-materials-consistency][data-cordtex-system=pwa] .materials-product-options[data-materials-options=thickness][open]>summary>.r109-plus.r9-thickness-choice::after{content:"⌃"}
}