/* Existing desktop geometry stays intact; new controls inherit both themes. */
.commerce-actions{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.commerce-filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.commerce-filters .field{min-width:0}.wishlist-save{display:block;border:0;background:transparent;color:var(--ink);padding:10px 0;font-size:12px}.wishlist-save:hover{text-decoration:underline}
@media(max-width:900px){
 .shell{padding-left:20px;padding-right:20px}.header-main{flex-wrap:wrap;gap:16px}.header-main #search-form{order:3;flex:1 0 100%;min-width:0}.header-actions{margin-left:auto;gap:12px}.nav{overflow:auto;align-items:center}.nav>div{flex-shrink:0;gap:20px}.nav a{white-space:nowrap}.sell-link{flex-shrink:0}
 .checkout-layout,.auth-layout{grid-template-columns:minmax(0,1fr);gap:24px}.summary{position:static}.help-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.table-wrap{max-width:100%;overflow:auto;overscroll-behavior-x:contain}.table-wrap table{min-width:600px}
 .store-intro{overflow:visible}.store-header-row{min-width:0;flex-wrap:wrap;gap:16px}.store-header-identity{width:100%;flex:1 1 100%;min-width:0;flex-wrap:wrap}.store-header-name{white-space:normal;overflow-wrap:anywhere}.store-header-row #store-search-form{flex:1 1 100%;width:100%;max-width:none}.store-header-identity .seller-badges{flex-wrap:wrap}.seller-product-filters{flex-wrap:wrap}.seller-product-filters .field{flex:1 1 160px;min-width:0}
 .dashboard-nav{flex-wrap:wrap;gap:8px}.detail-grid{grid-template-columns:minmax(0,1fr)}dialog{max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px);overflow:auto}.detail-photo{max-height:320px;object-fit:contain}.form-card{min-width:0}.field input,.field select,.field textarea{min-width:0;max-width:100%}
}
@media(max-width:600px){
 .shell{padding-left:14px;padding-right:14px}.announcement{padding:9px 14px;gap:10px}.announcement span{font-size:10px}.header-main{padding-top:16px;padding-bottom:16px}.header-main>.brand{font-size:19px}.header-actions{width:100%;justify-content:space-between;margin:0;gap:8px}.cart-link{padding-left:10px}.theme-label{display:none}.header-actions a,.header-actions button{min-height:44px;display:inline-flex;align-items:center}.nav{padding-bottom:10px}.nav a{padding:10px 0}.theme-toggle{min-width:44px}.demo-strip span{display:block;margin:5px 0 0}
 input,select,textarea,.header-main input{font-size:16px}button,.btn,.btn.small,.add-btn{min-height:44px}.add-btn{min-width:44px}.field{min-width:0}.form-row,.help-grid,.stats,.stats-grid{grid-template-columns:minmax(0,1fr)}.form-card{padding:18px}.form-card h2{font-size:25px}.commerce-filters{grid-template-columns:minmax(0,1fr)}.commerce-actions .btn{flex:1 1 auto}.dashboard-nav .btn{flex:1 1 auto}
 .hero{grid-template-columns:minmax(0,1fr)}.hero-copy{padding:28px 22px}.hero h1{font-size:42px}.hero-art{min-height:260px}.hero-art>img{height:260px}.hero-art:before{width:240px;height:240px}.hero .eyebrow{font-size:8px;letter-spacing:1px}.benefits,.categories{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.benefit{justify-content:flex-start}.category{padding:12px;min-width:0}.category img{width:55px}.category strong{overflow-wrap:anywhere}.section-head{align-items:flex-start;flex-wrap:wrap;gap:12px}.section-head h2{font-size:27px}.seller-banner{padding:24px;flex-direction:column;align-items:flex-start}
 .catalog-tools{align-items:stretch;flex-direction:column;gap:12px}.tabs{flex-wrap:nowrap;overflow:auto;padding-bottom:5px}.tab{white-space:nowrap}.grid{gap:22px 12px}.product-image{height:180px}.product-image img{padding:12px}.product-store,.product-name{overflow-wrap:anywhere}.product-bottom{flex-wrap:wrap;gap:6px}.product .price del{display:block;margin-left:0}.product-store .store-rating{white-space:normal}.page-title{font-size:32px;overflow-wrap:anywhere}.page{padding-top:24px}.cart-item{grid-template-columns:64px minmax(0,1fr);gap:12px}.cart-item>img{width:64px;height:80px}.cart-item>div:last-child{grid-column:2}.qty{display:inline-flex}.cart-item h3{overflow-wrap:anywhere}.footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.footer-note{padding-left:0;border:0}.footer-bottom{flex-wrap:wrap;gap:10px}.text-link{white-space:normal}.detail-grid{gap:18px}.photo-gallery{flex-wrap:wrap}.detail-grid .btn{margin-bottom:10px}
 .msg-workspace{width:100%;min-width:0}.msg-form-grid{grid-template-columns:minmax(0,1fr)}.msg-offer-line{grid-template-columns:repeat(2,minmax(0,1fr))}.msg-offer-line>.field:first-child{grid-column:1/-1}.msg-thread-head .msg-identity{overflow-wrap:anywhere}.msg-compose{grid-template-columns:minmax(0,1fr)}.msg-compose .btn{width:100%}.msg-messages{height:50dvh;min-height:220px}.msg-card dl{grid-template-columns:minmax(0,1fr)}.msg-card dd{text-align:left}.msg-editor{padding:14px}.msg-bubble{min-width:0}.msg-search-thread form{flex-direction:column}
}
@media(max-width:360px){.grid,.categories{grid-template-columns:minmax(0,1fr)}.product-image{height:230px}.benefits{grid-template-columns:minmax(0,1fr)}.hero h1{font-size:36px}}