/* IranFina water signature — CSS-only, no image or network request */
:root{--surface-wave-a:rgba(28,151,201,.052);--surface-wave-b:rgba(41,183,207,.038)}
.product-card,.category-card,.filters,.form-card,.order-summary,.auth-card,.benefits,
.content-panel,.rating-summary,.community-form,.review-card,.ask-card,.question-card,
.login-prompt,.empty-community,.admin-card,.stat-grid article,.community-admin-stats article,
.cart-list,.orders-table article{
    background-color:var(--surface);
    background-image:
        radial-gradient(ellipse 76% 22% at -8% 8%,transparent 64%,var(--surface-wave-a) 65%,transparent 67%),
        radial-gradient(ellipse 66% 18% at 108% 58%,transparent 64%,var(--surface-wave-b) 65%,transparent 67%),
        radial-gradient(ellipse 62% 17% at 18% 108%,transparent 64%,var(--surface-wave-a) 65%,transparent 67%);
    background-repeat:no-repeat;
}
.product-card,.category-card,.review-card,.question-card,.admin-card{position:relative;isolation:isolate}
.product-card::after,.category-card::after,.review-card::after,.question-card::after,.admin-card::after{
    content:"";position:absolute;z-index:-1;inset:0;pointer-events:none;border-radius:inherit;
    background:radial-gradient(ellipse 52% 12% at 74% 4%,transparent 66%,rgba(28,151,201,.035) 67%,transparent 69%);
}
html[data-theme="dark"]{--surface-wave-a:rgba(76,190,230,.047);--surface-wave-b:rgba(42,194,215,.032)}
@media(max-width:650px){
    .product-card,.category-card,.filters,.form-card,.order-summary,.auth-card,.benefits,
    .content-panel,.rating-summary,.community-form,.review-card,.ask-card,.question-card,.admin-card{
        background-image:radial-gradient(ellipse 90% 18% at -15% 10%,transparent 64%,var(--surface-wave-a) 65%,transparent 67%);
    }
}
@media(prefers-contrast:more){:root{--surface-wave-a:rgba(28,151,201,.075);--surface-wave-b:rgba(41,183,207,.06)}}