.cart-nav {
    position: fixed !important;
    inset: auto 24px 24px auto !important;
    z-index: 9999;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 64px !important;
    height: 64px !important;
    min-width: 64px !important;
    padding: 0 !important;
    border: 2px solid #fff !important;
    border-radius: 18px !important;
    background: #7c3aed !important;
    color: #fff !important;
    text-decoration: none !important;
    box-shadow: 0 14px 35px #020617cc !important;
    transition: transform .2s ease, background .2s ease !important;
}
.cart-nav svg { display: block; width: 31px; height: 31px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.cart-nav:hover { transform: translateY(-4px); background: #9333ea !important; }
.cart-nav:focus-visible { outline: 3px solid #67e8f9; outline-offset: 4px; }
.cart-nav span { position: absolute; right: -8px; top: -9px; display: grid; place-items: center; min-width: 25px; height: 25px; padding: 0 6px; border: 2px solid #fff; border-radius: 99px; background: #e11d48; color: #fff; font-size: 12px; line-height: 1; font-weight: 900; }
.cart-portal { max-width: 1180px; }
.cart-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 20px; align-items: start; }
.cart-items { display: grid; gap: 0; padding: 8px 22px; }
.cart-items article { display: grid; grid-template-columns: 48px minmax(0, 1fr) auto auto; align-items: center; gap: 15px; padding: 18px 0; border-bottom: 1px solid var(--nv-line); }
.cart-items article:last-child { border: 0; }
.cart-items h2 { font-size: 17px; }
.cart-items p, .cart-items small, .cart-summary p { color: var(--nv-muted); }
.cart-items strong { color: #67e8f9; font-size: 18px; }
.cart-summary { display: grid; gap: 18px; position: sticky; top: 105px; }
.cart-summary > div { display: flex; justify-content: space-between; gap: 15px; padding-top: 15px; border-top: 1px solid var(--nv-line); }
.cart-summary button { width: 100%; }
.cart-summary button:disabled { opacity: .4; cursor: not-allowed; }
@media (max-width: 800px) {
    .cart-layout { grid-template-columns: 1fr; }
    .cart-summary { position: static; }
}
@media (max-width: 560px) {
    .cart-nav { inset: auto 16px calc(16px + env(safe-area-inset-bottom)) auto !important; width: 58px !important; height: 58px !important; min-width: 58px !important; border-radius: 16px !important; }
    .cart-nav svg { width: 28px; height: 28px; }
    .cart-items article { grid-template-columns: 42px 1fr; }
    .cart-items article > strong, .cart-items article > form { grid-column: 2; }
    .cart-items article > form button { width: 100%; }
}