/* KPK shared frontend UI: stable viewport and lightweight loading feedback. */
html,
body,
#page,
.site,
.site-content {
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

html,
body {
    overflow-x: hidden;
    margin: 0;
}

html.kpk-loading,
html.kpk-loading body {
    overflow: hidden;
}

.kpk-page-loader {
    position: fixed;
    z-index: 2147483000;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(255, 255, 255, .96);
    color: var(--kpk-text, #17191c);
    opacity: 1;
    visibility: visible;
    transition: opacity .28s ease, visibility .28s ease;
}

.kpk-page-loader.is-hidden {
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
}

.kpk-page-loader-card {
    display: grid;
    justify-items: center;
    gap: 14px;
    min-width: 150px;
}

.kpk-page-loader-mark {
    position: relative;
    display: grid;
    width: 88px;
    height: 88px;
    place-items: center;
}

.kpk-page-loader-orbit {
    position: absolute;
    inset: 0;
    border: 2px solid color-mix(in srgb, var(--kpk-primary, #e31f2b), transparent 86%);
    border-top-color: var(--kpk-primary, #e31f2b);
    border-right-color: var(--kpk-text, #17191c);
    border-radius: 50%;
    animation: kpk-loader-orbit .82s linear infinite;
}

.kpk-page-loader-logo {
    display: grid;
    width: 64px;
    height: 64px;
    place-items: center;
    overflow: hidden;
    border-radius: 50%;
    background: #111318;
    box-shadow: 0 10px 30px rgba(17, 19, 24, .18);
    animation: kpk-loader-float 1.1s ease-in-out infinite alternate;
}

.kpk-page-loader-logo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.kpk-page-loader-fallback {
    color: #fff;
    font-size: 19px;
    font-weight: 900;
    letter-spacing: -.04em;
}

.kpk-page-loader-text {
    margin: 0;
    color: #5d626b;
    font: 700 11px/1.2 Inter, system-ui, sans-serif;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.kpk-page-loader-track {
    position: relative;
    width: 118px;
    height: 3px;
    overflow: hidden;
    border-radius: 99px;
    background: #eceef1;
}

.kpk-page-loader-track::after {
    position: absolute;
    inset: 0;
    width: 48%;
    border-radius: inherit;
    background: var(--kpk-primary, #e31f2b);
    content: "";
    animation: kpk-loader-track .9s ease-in-out infinite alternate;
}

.kpk-page-loader.is-ajax {
    background: rgba(255, 255, 255, .9);
    backdrop-filter: blur(4px);
}

@keyframes kpk-loader-orbit {
    to { transform: rotate(360deg); }
}

@keyframes kpk-loader-float {
    from { transform: translateY(1px); }
    to { transform: translateY(-3px); }
}

@keyframes kpk-loader-track {
    from { transform: translateX(-12%); }
    to { transform: translateX(125%); }
}

@media (prefers-reduced-motion: reduce) {
    .kpk-page-loader-orbit,
    .kpk-page-loader-logo,
    .kpk-page-loader-track::after {
        animation: none !important;
    }
}

/* Compact app navigation, shared by home, catalog, product, cart and account. */
.atoz-mobile-nav { display: none; }
@media (max-width: 1024px) {
    body { padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px)); }
    body.single-product { padding-bottom: calc(145px + env(safe-area-inset-bottom, 0px)); }
    .atoz-mobile-nav {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        align-items: start;
        position: fixed;
        z-index: 9997;
        left: 0; right: 0; bottom: 0;
        min-height: 69px;
        padding: 7px max(8px, env(safe-area-inset-right, 0px)) calc(7px + env(safe-area-inset-bottom, 0px)) max(8px, env(safe-area-inset-left, 0px));
        background: rgba(255, 255, 255, .98);
        border-top: 1px solid #e7eaf0;
        box-shadow: 0 -8px 28px rgba(17, 28, 43, .09);
        font-family: Inter, system-ui, sans-serif;
    }
    .atoz-mobile-nav a {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        min-height: 52px;
        padding: 4px 1px;
        border-radius: 12px;
        color: #38465b;
        font-size: 10px;
        font-weight: 700;
        line-height: 1.15;
        text-align: center;
        text-decoration: none;
        -webkit-tap-highlight-color: transparent;
    }
    .atoz-mobile-nav a i { font-size: 20px; line-height: 23px; }
    .atoz-mobile-nav a[aria-current="page"] { color: var(--kpk-primary, #123b82); background: #eef3fb; }
    .atoz-mobile-nav a:focus-visible { outline: 2px solid var(--kpk-primary, #123b82); outline-offset: -2px; }
    .atoz-mobile-nav .atoz-mobile-nav-contact { color: #087d4b; }
    .atoz-mobile-nav .atoz-mobile-nav-contact i { font-size: 23px; }
    .atoz-mobile-cart-count {
        position: absolute; top: 0; left: calc(50% + 6px);
        display: grid; place-items: center;
        min-width: 16px; height: 16px; padding: 0 3px;
        border-radius: 999px; background: var(--kpk-primary, #123b82);
        color: #fff; font-size: 9px; line-height: 1;
    }
    body.single-product .kpk-sticky {
        bottom: calc(69px + env(safe-area-inset-bottom, 0px));
        padding-inline: 14px;
    }
}