/* ════════════════════════════════════════════════════════════════
   SHOP.CSS — Shop Page Header + Layout Styles
   Covers: shop page hero header (.sph), two-column layout
           (.shop-layout, .shop-sidebar, .shop-main),
           AJAX loading state, mobile offcanvas filter
════════════════════════════════════════════════════════════════ */

/* ══════════════════════════════════════════════════════════════
   SHOP PAGE HEADER (.sph)
   Full-width luxury maroon / gold — mirrors .cat-hero / .pdh
══════════════════════════════════════════════════════════════ */

.sph {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: clamp(2.8rem, 6vw, 5rem) 0 clamp(2.2rem, 5vw, 4rem);
}

.sph__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to left,
        var(--color-primary-active) 0%,
        var(--color-primary) 50%,
        var(--color-primary-hover) 100%
    );
    z-index: 0;
}

.sph__radial {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 65% 130% at 85% 40%,
            rgba(var(--color-accent-rgb), .12) 0%, transparent 65%),
        radial-gradient(ellipse 45% 90% at 15% 75%,
            rgba(var(--color-accent-rgb), .07) 0%, transparent 55%);
    z-index: 1;
}

.sph__texture {
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        -45deg,
        transparent               0px,
        transparent               32px,
        rgba(255,255,255,.022)    32px,
        rgba(255,255,255,.022)    33px
    );
    z-index: 2;
}

.sph__line-t {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 2px;
    background: linear-gradient(
        to right,
        transparent             0%,
        rgba(var(--color-accent-rgb), .25)    12%,
        var(--color-accent)    42%,
        rgba(var(--color-accent-rgb), .35)    72%,
        transparent             100%
    );
    z-index: 3;
}

.sph__line-b {
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 1px;
    background: linear-gradient(
        to right,
        transparent             0%,
        rgba(var(--color-accent-rgb), .18)    20%,
        rgba(var(--color-accent-rgb), .32)    50%,
        rgba(var(--color-accent-rgb), .18)    80%,
        transparent             100%
    );
    z-index: 3;
}

.sph__inner {
    position: relative;
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-4, 1rem);
}

.sph__nav .breadcrumb {
    padding: 0;
    background: transparent;
    font-size: var(--fs-sm, .8125rem);
    flex-wrap: wrap;
    align-items: center;
    gap: .05rem;
}

.sph__nav .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255,255,255,.28);
    font-size: .7rem;
}

html[dir="rtl"] .sph__nav .breadcrumb-item + .breadcrumb-item::before {
    content: "\5C";
    display: inline-block;
    transform: scaleX(-1);
}

.sph__crumb-link {
    color: rgba(255,255,255,.55);
    text-decoration: none;
    font-weight: var(--fw-normal, 400);
    line-height: 1.5;
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    transition: color var(--t, 150ms);
}
.sph__crumb-link:hover,
.sph__crumb-link:focus-visible {
    color: var(--color-accent-light);
    text-decoration: none;
    outline-offset: 3px;
}

.sph__crumb-active {
    color: rgba(255,255,255,.82) !important;
    font-weight: var(--fw-medium, 500) !important;
}

.sph__title {
    margin: 0;
    color: var(--color-accent);
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 600;
    line-height: var(--lh-tight, 1.15);
    letter-spacing: -0.01em;
    text-shadow: 0 0 48px rgba(var(--color-accent-rgb), .28);
}

html[dir="rtl"] .sph__title {
    font-family: var(--font-arabic);
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.22;
}

.sph__title-line {
    width: 56px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(
        to right,
        var(--color-accent),
        rgba(var(--color-accent-rgb), .3)
    );
    margin-top: calc(var(--sp-2, .5rem) * -1);
}

html[dir="rtl"] .sph__title-line {
    background: linear-gradient(
        to left,
        var(--color-accent),
        rgba(var(--color-accent-rgb), .3)
    );
}

@media (max-width: 767.98px) {
    .sph {
        padding: clamp(2rem, 7vw, 3rem) 0 clamp(1.8rem, 6vw, 2.5rem);
    }
    .sph__title {
        font-size: clamp(1.7rem, 7vw, 2.3rem);
    }
    .sph__title-line { width: 44px; }
}

@media (max-width: 575px) {
    .sph__inner { gap: var(--sp-3, .75rem); }
    .sph__nav .breadcrumb { font-size: var(--fs-xs, .75rem); }
}

@media (prefers-reduced-motion: reduce) {
    .sph__crumb-link { transition: none; }
}

/* ══════════════════════════════════════════════════════════════
   SHOP PAGE LAYOUT
   Two-column grid: sidebar + main content
══════════════════════════════════════════════════════════════ */

.shop-layout {
    display: grid;
    grid-template-columns: 268px 1fr;
    gap: var(--sp-8, 2rem);
    padding-top: var(--sp-8, 2rem);
    padding-bottom: var(--sp-14, 3.5rem);
    align-items: start;
}

@media (max-width: 991px) {
    .shop-layout {
        grid-template-columns: 1fr;
        padding-top: var(--sp-5, 1.25rem);
    }
    .shop-sidebar { display: none !important; }
}

.shop-sidebar {
    position: sticky;
    top: 96px;
}

/* ── AJAX loading state ─────────────────────────────────────── */
#ajax-target {
    position: relative;
    transition: opacity .24s ease;
    min-height: 220px;
}
#ajax-target.sa-loading {
    opacity: .3;
    pointer-events: none;
}
#ajax-target.sa-loading::after {
    content: '';
    position: absolute;
    top: 120px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px; height: 40px;
    border: 3px solid var(--border, var(--color-border));
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: sa-spin .7s linear infinite;
    z-index: 10;
}
@keyframes sa-spin {
    to { transform: translateX(-50%) rotate(360deg); }
}

/* ── Mobile offcanvas filter ────────────────────────────────── */
.sf-offcanvas-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-4, 1rem);
    background: var(--color-primary);
    border-bottom: 2px solid var(--color-accent);
}
.sf-offcanvas-head .offcanvas-title {
    font-size: .85rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: #fff;
    margin: 0;
}
.sf-offcanvas-head .btn-close {
    filter: invert(1) brightness(2);
    opacity: .8;
}
.sf-offcanvas-head .btn-close:hover { opacity: 1; }

#filterOffcanvas .offcanvas-body { overflow-y: auto; padding: 0; }

#filterOffcanvas .shop-filter-form {
    border: none;
    border-radius: 0;
    box-shadow: none;
}

[dir="ltr"] #filterOffcanvas .shop-filter-form {
    box-shadow: inset 3px 0 0 var(--color-accent);
}
[dir="rtl"] #filterOffcanvas .shop-filter-form {
    box-shadow: inset -3px 0 0 var(--color-accent);
}