/* ══════════════════════════════════════════════════════════
   SALMART — PREMIUM CHECKOUT DETAIL PAGE V3.1
   Fonts : DM Sans (body) · Outfit (prices/display)
   ══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800&family=Outfit:ital,wght@0,400;0,600;0,700;0,800;0,900;1,900&display=swap');

/* ══════════════════════════════════════════════════════════
   TOKENS
   ══════════════════════════════════════════════════════════ */
:root {
    /* Brand greens */
    --brand:        #0d9245;
    --brand-mid:    #13b856;
    --brand-light:  #1dd46a;
    --brand-vivid:  #00c853;   /* bright price green */
    --brand-tint:   rgba(0,200,83,.09);
    --brand-tint-2: rgba(0,200,83,.16);
    --brand-glow:   rgba(0,200,83,.28);

    /* Price red */
    --red:          #e63946;
    --red-tint:     rgba(230,57,70,.08);
    --red-deep:     #c1121f;

    /* Accent colors for chips / highlights */
    --amber:        #f59e0b;
    --amber-tint:   rgba(245,158,11,.10);
    --amber-deep:   #b45309;
    --blue:         #2563eb;
    --blue-tint:    rgba(37,99,235,.09);
    --blue-deep:    #1e40af;
    --purple:       #7c3aed;
    --purple-tint:  rgba(124,58,237,.09);

    /* Neutrals */
    --bg:           #f4f5f7;
    --surface:      #ffffff;
    --surface-2:    #f8f9fb;
    --border:       #e8eaed;
    --border-subtle:#f0f2f5;

    --text-1:       #0d0f12;
    --text-2:       #44474d;
    --text-3:       #8a8f9a;
    --text-4:       #b2b7c2;

    --sh-xs:  0 1px 2px rgba(0,0,0,.05);
    --sh-sm:  0 1px 6px rgba(0,0,0,.07);
    --sh-md:  0 3px 12px rgba(0,0,0,.10);

    --r-xs:   2px;
    --r-sm:   6px;
    --r-md:   10px;
    --r-lg:   14px;
    --r-xl:   18px;
    --r-full: 9999px;

    --font-body:    'DM Sans', -apple-system, sans-serif;
    --font-display: 'Outfit', 'DM Sans', sans-serif;

    --ease-out:    cubic-bezier(.22,1,.36,1);
    --ease-spring: cubic-bezier(.34,1.56,.64,1);
    --t-fast:  .14s;
    --t-mid:   .22s;

    --tabs-h:   44px;
    --bottom-h: 72px;
}

/* ══════════════════════════════════════════════════════════
   RESET / SPA LAYOUT INTEGRATION
   ══════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text-2);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    padding-top: var(--tabs-h);
    padding-bottom: var(--bottom-h);
}

@keyframes checkout-fadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes checkout-pulseRing {
    0%   { box-shadow: 0 0 0 0 var(--brand-glow); }
    70%  { box-shadow: 0 0 0 8px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
}

/* ══════════════════════════════════════════════════════════
   PAYMENT LOADING OVERLAY — Premium animated
   ══════════════════════════════════════════════════════════ */
#checkout-loadingOverlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.28s ease;
    pointer-events: all;
}

#checkout-loadingOverlay.checkout-plo-visible  { opacity: 1; }
#checkout-loadingOverlay.checkout-plo-hiding   { opacity: 0; pointer-events: none; }

.checkout-plo-card {
    background: var(--surface);
    border-radius: 20px;
    padding: 32px 28px 26px;
    width: 100%;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    box-shadow: 0 24px 60px rgba(0,0,0,0.28), 0 4px 16px rgba(0,0,0,0.12);
    transform: translateY(0);
    animation: checkout-ploCardIn 0.35s var(--ease-spring) forwards;
}

@keyframes checkout-ploCardIn {
    from { transform: translateY(24px) scale(0.96); opacity: 0; }
    to   { transform: translateY(0)    scale(1);    opacity: 1; }
}

.checkout-plo-icon-ring {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--brand-tint);
    border: 2.5px solid rgba(0,200,83,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    position: relative;
    animation: checkout-ploRingPulse 1.8s ease-in-out infinite;
}

.checkout-plo-icon-ring::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--brand-vivid);
    border-right-color: var(--brand-vivid);
    animation: checkout-ploSpin 1.1s linear infinite;
}

@keyframes checkout-ploSpin {
    to { transform: rotate(360deg); }
}

@keyframes checkout-ploRingPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,200,83,0.25); }
    50%       { box-shadow: 0 0 0 10px rgba(0,200,83,0); }
}

.checkout-plo-icon {
    font-size: 28px;
    color: var(--brand);
    transition: opacity 0.2s ease;
}

.checkout-plo-dots {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
}

.checkout-plo-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--brand-vivid);
    animation: checkout-ploBounce 1.1s ease-in-out infinite;
}

.checkout-plo-dot:nth-child(2) { animation-delay: 0.18s; background: var(--brand-mid); }
.checkout-plo-dot:nth-child(3) { animation-delay: 0.36s; background: var(--brand); opacity: 0.7; }

@keyframes checkout-ploBounce {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.5; }
    40%            { transform: translateY(-8px); opacity: 1; }
}

.checkout-plo-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 800;
    color: var(--text-1);
    text-align: center;
    margin-bottom: 5px;
    transition: opacity 0.2s ease;
    letter-spacing: -0.2px;
}

.checkout-plo-sub {
    font-size: 12.5px;
    color: var(--text-3);
    font-weight: 500;
    text-align: center;
    margin-bottom: 20px;
    transition: opacity 0.2s ease;
    line-height: 1.4;
}

.checkout-plo-fade-out {
    opacity: 0 !important;
    transform: translateY(-4px);
}

.checkout-plo-steps {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
}

.checkout-plo-step-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    transition: background 0.3s ease, transform 0.3s var(--ease-spring), width 0.3s ease;
}

.checkout-plo-step-dot.checkout-active {
    background: var(--brand-vivid);
    width: 20px;
    border-radius: 4px;
}

.checkout-plo-secure {
    font-size: 11px;
    color: var(--text-4);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    letter-spacing: 0.1px;
}

.checkout-plo-secure i { color: var(--brand); font-size: 12px; }

#checkout-buyWithEscrowBtn[data-loading] {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

@keyframes checkout-shimmerSweep {
    0%   { left: -55%; }
    100% { left: 115%; }
}

/* ─── DETAIL TABS ────────────────────────────────────────── */
.checkout-detail-tabs {
    position: fixed;
    top: 0;
    left: 0; right: 0;
    z-index: 290;
    height: var(--tabs-h);
    background: var(--surface);
    border-bottom: 2px solid var(--border);
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0 8px;
}

.checkout-detail-tabs::-webkit-scrollbar { display: none; }

.checkout-dtab {
    flex-shrink: 0;
    height: 100%;
    padding: 0 16px;
    border: none;
    background: none;
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-3);
    cursor: pointer;
    position: relative;
    transition: color var(--t-fast) ease;
    white-space: nowrap;
}

.checkout-dtab::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 16px; right: 16px;
    height: 2.5px;
    background: var(--brand);
    transform: scaleX(0);
    transition: transform var(--t-mid) var(--ease-out);
    border-radius: 2px 2px 0 0;
}

.checkout-dtab.checkout-active { color: var(--text-1); }
.checkout-dtab.checkout-active::after { transform: scaleX(1); }

/* ─── MAIN BODY ──────────────────────────────────────────── */
.checkout-main-body {
    max-width: 980px;
    margin: 0 auto;
}

/* ─── PRODUCT GALLERY ────────────────────────────────────── */
.checkout-product-gallery {
    background: var(--surface);
    position: relative;
    margin-bottom: 8px;
}

.checkout-gallery-main {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.checkout-gallery-nav-row {
    position: absolute;
    top: 14px;
    left: 14px;
    right: 14px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    pointer-events: none;
}

.checkout-gallery-nav-btn {
    width: 38px; height: 38px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-1);
    font-size: 14px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 2px 12px rgba(0,0,0,.18);
    transition: all var(--t-mid) var(--ease-spring);
    pointer-events: all;
}

.checkout-gallery-nav-btn:hover {
    background: rgba(255,255,255,.98);
    transform: scale(1.08);
    box-shadow: 0 4px 18px rgba(0,0,0,.22);
}

.checkout-gallery-nav-btn:active { transform: scale(.95); }

.checkout-gallery-img {
    width: 100%;
    display: block;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    transition: transform .5s var(--ease-out);
}

@media (min-width: 600px) {
    .checkout-gallery-img { aspect-ratio: 4/3; max-height: 480px; object-fit: contain; }
}

.checkout-gallery-heart {
    position: absolute;
    bottom: 90px; right: 14px;
    width: 38px; height: 38px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.92);
    color: var(--text-3);
    font-size: 16px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 2px 10px rgba(0,0,0,.18);
    transition: all var(--t-mid) var(--ease-spring);
    z-index: 15;
}

.checkout-gallery-heart.liked { color: var(--red); background: rgba(255,255,255,.98); }
.checkout-gallery-heart:hover { transform: scale(1.12); }

.checkout-gallery-escrow-badge {
    position: absolute;
    bottom: 90px; left: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,0,0,.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.2);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--r-full);
    font-size: 12px;
    font-weight: 700;
    z-index: 15;
    box-shadow: 0 2px 12px rgba(0,0,0,.25);
}

.checkout-badge-dot {
    width: 8px; height: 8px;
    background: var(--brand-light);
    border-radius: 50%;
    animation: checkout-pulseRing 2s ease infinite;
    display: inline-block;
}

.checkout-gallery-escrow-badge i {
    font-size: 12px;
    color: var(--brand-light);
}

/* ─── PRODUCT INFO BLOCK ────────────────────────────────── */
.checkout-product-info-block {
    background: var(--surface);
    padding: 14px 14px 16px;
    margin-bottom: 8px;
    animation: checkout-fadeUp .3s var(--ease-out) .05s both;
}

.checkout-product-category-row { margin-bottom: 10px; }

.checkout-category-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--purple-tint);
    border: 1px solid rgba(124,58,237,.2);
    color: var(--purple);
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--r-full);
    text-transform: uppercase;
    letter-spacing: .4px;
}

.checkout-category-pill i { font-size: 10px; }

.checkout-product-title {
    font-family: var(--font-body);
    font-size: 17px;
    font-weight: 800;
    color: var(--text-1);
    line-height: 1.35;
    margin-bottom: 10px;
    letter-spacing: -.2px;
}

.checkout-title-meta-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 11px;
}

.checkout-stars-row {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 12px;
    color: #f5a623;
}

.checkout-stars-rating { font-weight: 700; color: var(--text-1); font-size: 12px; margin-left: 2px; }
.checkout-stars-sep    { color: var(--text-4); margin: 0 2px; }
.checkout-sold-count   { font-size: 12px; color: var(--text-3); font-weight: 500; }

.checkout-best-price-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #fff8ed 0%, #fff3e0 100%);
    border: 1px solid rgba(245,158,11,.32);
    color: var(--amber-deep);
    font-size: 11.5px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: var(--r-sm);
    margin-bottom: 14px;
    box-shadow: 0 1px 4px rgba(245,158,11,.15);
}

.checkout-best-price-tag i { color: var(--amber); font-size: 11px; }

.checkout-price-block { margin-bottom: 10px; }

.checkout-price-main-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}

.checkout-price-main {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 800;
    color: var(--brand-vivid);
    line-height: 1;
    letter-spacing: -1.5px;
}

.checkout-price-tag-pill {
    font-size: 10.5px;
    font-weight: 700;
    color: var(--brand);
    background: var(--brand-tint);
    border: 1px solid rgba(46,204,113,.25);
    padding: 4px 11px;
    border-radius: var(--r-full);
    text-transform: uppercase;
    letter-spacing: .4px;
}

.checkout-price-sub-row {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 4px;
    color: var(--text-3);
}

.checkout-price-dash       { font-size: 11px; color: var(--brand-vivid); font-weight: 700; }
.checkout-price-bulk       { font-size: 13px; color: var(--brand-vivid); font-weight: 700; }
.checkout-price-bulk-label { font-size: 11.5px; color: var(--text-3); }

.checkout-price-escrow-strip {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    padding: 11px 14px;
    background: linear-gradient(135deg, rgba(0,200,83,.10) 0%, rgba(13,146,69,.07) 100%);
    border: 1.5px solid rgba(0,200,83,.28);
    border-radius: var(--r-md);
    box-shadow: 0 2px 8px rgba(0,200,83,.10);
}

.checkout-price-escrow-strip i { color: var(--brand); font-size: 15px; flex-shrink: 0; }
.checkout-price-escrow-strip span { font-size: 12.5px; color: var(--brand); font-weight: 700; line-height: 1.35; }

.checkout-discount-strip {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(230,57,70,.07) 0%, rgba(193,18,31,.05) 100%);
    border: 1px solid rgba(230,57,70,.2);
    border-radius: var(--r-sm);
    padding: 9px 12px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--red-deep);
    margin-top: 10px;
    cursor: pointer;
    transition: background var(--t-fast) ease;
}

.checkout-discount-strip:hover { background: rgba(230,57,70,.12); }
.checkout-discount-strip i { color: var(--red); font-size: 11px; }
.checkout-strip-arrow { margin-left: auto; font-size: 10px; opacity: .55; }

/* ─── DIGITAL DELIVERY STRIP ────────────────────────────── */
.checkout-digital-delivery-strip {
    margin: 0 14px 12px;
    background: var(--brand-tint, rgba(46,204,113,.09));
    border: 1px solid rgba(46,204,113,.25);
    border-radius: var(--r-md, 12px);
    padding: 14px 16px;
}

.checkout-dds-row { display: flex; flex-direction: column; gap: 12px; }
.checkout-dds-item { display: flex; align-items: flex-start; gap: 12px; }
.checkout-dds-icon { font-size: 16px; color: var(--brand, #1a7a3c); margin-top: 2px; flex-shrink: 0; width: 18px; }
.checkout-dds-title { font-size: 13px; font-weight: 700; color: var(--text-1, #0d0f12); margin-bottom: 2px; }
.checkout-dds-sub { font-size: 12px; color: var(--text-3, #8a8f9a); }

/* ─── TRUST CHIPS ROW ────────────────────────────────────── */
.checkout-trust-chips-row {
    display: flex;
    gap: 8px;
    padding: 12px 12px;
    background: var(--surface);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 8px;
    overflow-x: auto;
    scrollbar-width: none;
}

.checkout-trust-chips-row::-webkit-scrollbar { display: none; }

.checkout-trust-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 14px;
    border-radius: var(--r-full);
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
    border: 1.5px solid transparent;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    transition: transform var(--t-fast) ease, box-shadow var(--t-fast) ease;
}

.checkout-trust-chip:hover { transform: translateY(-1px); box-shadow: 0 3px 10px rgba(0,0,0,.10); }
.checkout-trust-chip i { font-size: 12px; }

.checkout-chip-green { background: var(--brand-tint); color: var(--brand); border-color: rgba(0,200,83,.25); }
.checkout-chip-blue  { background: var(--blue-tint); color: var(--blue); border-color: rgba(37,99,235,.20); }
.checkout-chip-amber { background: var(--amber-tint); color: var(--amber-deep); border-color: rgba(245,158,11,.25); }

/* ─── SELLER STRIP ───────────────────────────────────────── */
.checkout-seller-shipping-strip {
    background: var(--surface);
    margin-bottom: 8px;
    overflow: hidden;
    animation: checkout-fadeUp .3s var(--ease-out) .10s both;
}

.checkout-seller-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 14px 11px;
    border-bottom: 1px solid var(--border-subtle);
}

.checkout-seller-avi {
    width: 44px; height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2.5px solid var(--brand-tint-2);
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(46,204,113,.12);
}

.checkout-seller-info { flex: 1; min-width: 0; }
.checkout-seller-store-name { font-size: 14px; font-weight: 700; color: var(--text-1); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.checkout-seller-store-sub { font-size: 11px; color: var(--text-3); display: block; margin-top: 1px; }

.checkout-seller-verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 700;
    color: var(--brand);
    background: var(--brand-tint);
    border: 1.5px solid rgba(0,200,83,.25);
    padding: 3px 10px;
    border-radius: var(--r-full);
    flex-shrink: 0;
    box-shadow: 0 1px 4px rgba(0,200,83,.15);
}

.checkout-visit-store-btn {
    flex-shrink: 0;
    height: 32px;
    padding: 0 14px;
    border-radius: var(--r-full);
    border: 1.5px solid var(--border);
    background: var(--surface);
    color: var(--text-2);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--t-fast) ease;
}

.checkout-visit-store-btn:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-tint); }

.checkout-shipping-note-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    background: linear-gradient(to right, rgba(46,204,113,.06), transparent);
}

.checkout-shipping-note-icon { color: var(--brand); font-size: 14px; flex-shrink: 0; }
.checkout-shipping-note-text { font-size: 12px; color: var(--text-3); line-height: 1.4; }
.checkout-shipping-note-text strong { color: var(--brand); font-weight: 700; }

/* ─── QUANTITY + META BLOCK ──────────────────────────────── */
.checkout-qty-meta-block {
    background: var(--surface);
    margin-bottom: 8px;
    padding: 4px 0;
    animation: checkout-fadeUp .3s var(--ease-out) .14s both;
}

.checkout-qty-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-subtle);
    min-height: 48px;
}

.checkout-qty-meta-row:last-child { border-bottom: none; }

.checkout-qty-meta-label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    color: var(--text-3);
    font-weight: 500;
    flex-shrink: 0;
    margin-right: 12px;
}

.checkout-qty-meta-icon { font-size: 12px; color: var(--brand); }
.checkout-qty-meta-val  { font-size: 13px; color: var(--text-1); font-weight: 700; text-align: right; }

.checkout-condition-badge {
    background: var(--brand-tint);
    color: var(--brand);
    border: 1px solid rgba(46,204,113,.22);
    padding: 3px 10px;
    border-radius: var(--r-full);
    font-size: 11.5px;
    font-weight: 700;
}

.checkout-qty-stepper-inline {
    display: flex;
    align-items: center;
    border: 2px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
    height: 36px;
    transition: border-color var(--t-fast) ease;
}

.checkout-qty-stepper-inline:focus-within { border-color: var(--brand); }

.checkout-qty-btn-sm {
    width: 38px; height: 100%;
    border: none;
    background: var(--surface-2);
    color: var(--text-2);
    font-size: 11px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--t-fast) ease;
    flex-shrink: 0;
}

.checkout-qty-btn-sm:hover:not(:disabled) { background: var(--brand); color: #fff; }
.checkout-qty-btn-sm:disabled { opacity: .3; cursor: not-allowed; }

.checkout-qty-input-inline {
    width: 48px; height: 100%;
    border: none;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    text-align: center;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    color: var(--text-1);
    background: var(--surface);
    outline: none;
    -moz-appearance: textfield;
}

.checkout-qty-input-inline::-webkit-outer-spin-button,
.checkout-qty-input-inline::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ─── DESCRIPTION ────────────────────────────────────────── */
.checkout-desc-section {
    background: var(--surface);
    margin-bottom: 8px;
    animation: checkout-fadeUp .3s var(--ease-out) .18s both;
}

.checkout-section-label-row {
    padding: 13px 14px 10px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkout-section-label-icon {
    width: 28px; height: 28px;
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}

.checkout-desc-icon {
    background: var(--purple-tint);
    color: var(--purple);
    border: 1px solid rgba(124,58,237,.18);
}

.checkout-section-label-text { font-size: 14px; font-weight: 700; color: var(--text-1); }
.checkout-desc-text { padding: 12px 14px 16px; color: var(--text-2); line-height: 1.75; font-size: 13.5px; white-space: pre-line; }

/* ─── RELATED / PROMOTED SECTIONS ────────────────────────── */
.checkout-related-section {
    background: var(--surface);
    margin-bottom: 8px;
    animation: checkout-fadeUp .35s var(--ease-out) .20s both;
}

.checkout-related-head-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 14px 10px;
    border-bottom: 1px solid var(--border-subtle);
}

.checkout-related-head-icon { font-size: 18px; line-height: 1; flex-shrink: 0; }
.checkout-related-head-title { font-size: 15px; font-weight: 800; color: var(--text-1); font-family: var(--font-display); letter-spacing: -.2px; }
.checkout-related-head-sub { font-size: 11px; color: var(--text-3); font-weight: 500; }

.checkout-related-see-all {
    margin-left: auto;
    font-size: 12px;
    font-weight: 700;
    color: var(--brand);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    padding: 4px 10px;
    border-radius: var(--r-full);
    border: 1px solid rgba(46,204,113,.22);
    background: var(--brand-tint);
    transition: all var(--t-fast) ease;
}

.checkout-related-see-all:hover { background: var(--brand-tint-2); }

.checkout-related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border-subtle);
    padding: 1px;
}

@media (min-width: 500px) { .checkout-related-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) { .checkout-related-grid { grid-template-columns: repeat(4, 1fr); } }

.checkout-rel-card {
    background: var(--surface);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    transition: background var(--t-fast) ease;
    animation: checkout-fadeUp .3s var(--ease-out) backwards;
}

.checkout-rel-card:hover { background: var(--surface-2); }
.checkout-rel-card:active { background: var(--border); }

.checkout-rel-img-wrap {
    position: relative;
    width: 100%;
    padding-top: 100%;
    background: var(--surface-2);
    overflow: hidden;
}

.checkout-rel-img {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s var(--ease-out);
}

.checkout-rel-card:hover .checkout-rel-img { transform: scale(1.04); }

.checkout-badge {
    position: absolute;
    top: 6px; left: 6px;
    z-index: 2;
    background: var(--red);
    color: #fff;
    font-size: 9px;
    font-weight: 900;
    padding: 2px 7px;
    border-radius: var(--r-xs);
    text-transform: uppercase;
    letter-spacing: .03em;
}

.checkout-badge-new     { background: var(--brand); }
.checkout-badge-hot     { background: #ff6b2b; }
.checkout-badge-verified{ background: var(--blue); }

.checkout-rel-info { padding: 8px 8px 10px; }
.checkout-rel-price { font-family: var(--font-display); font-size: 16px; font-weight: 900; color: var(--brand-vivid); line-height: 1; margin-bottom: 4px; letter-spacing: -.3px; }
.checkout-rel-title { font-size: 11.5px; font-weight: 500; color: var(--text-2); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; line-height: 1.4; }

/* ─── SAFETY SECTION ─────────────────────────────────────── */
.checkout-safety-section {
    background: var(--surface);
    overflow: hidden;
    margin-bottom: 8px;
    animation: checkout-fadeUp .35s var(--ease-out) .24s both;
}

.checkout-safety-toggle {
    width: 100%;
    background: none;
    border: none;
    padding: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    text-align: left;
    border-bottom: 1px solid transparent;
    transition: background var(--t-fast) ease;
}

.checkout-safety-toggle:hover { background: var(--surface-2); }

.checkout-safety-toggle-icon-left {
    width: 30px; height: 30px;
    border-radius: var(--r-sm);
    background: var(--brand-tint);
    border: 1px solid rgba(46,204,113,.2);
    color: var(--brand);
    font-size: 13px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

.checkout-safety-toggle-title { font-size: 14px; font-weight: 700; color: var(--text-1); flex: 1; }
.checkout-safety-toggle-chevron { color: var(--text-3); font-size: 12px; transition: transform var(--t-mid) ease; }

.checkout-safety-section.is-open .checkout-safety-toggle { border-bottom-color: var(--border-subtle); }
.checkout-safety-section.is-open .checkout-safety-toggle-chevron { transform: rotate(180deg); }

.checkout-safety-body { display: none; padding: 10px 14px 14px; }
.checkout-safety-section.is-open .checkout-safety-body { display: block; }
.checkout-safety-list { display: flex; flex-direction: column; gap: 7px; list-style-type: none; }

.checkout-safety-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 11px 12px;
    background: var(--surface-2);
    border-radius: var(--r-md);
    border: 1px solid var(--border);
    transition: all var(--t-fast) ease;
}

.checkout-safety-item:hover { border-color: var(--brand); background: var(--brand-tint); }

.checkout-safety-num {
    width: 22px; height: 22px;
    background: linear-gradient(135deg, var(--brand-mid), var(--brand));
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 9.5px; font-weight: 800;
    flex-shrink: 0; margin-top: 1px;
    box-shadow: 0 2px 6px var(--brand-glow);
}

.checkout-safety-title { font-size: 12.5px; font-weight: 700; color: var(--text-1); margin-bottom: 3px; }
.checkout-safety-text  { font-size: 12px; color: var(--text-3); line-height: 1.5; }

/* ─── PAYMENT SECTION ────────────────────────────────────── */
.checkout-payment-section {
    background: var(--surface);
    margin-bottom: 8px;
    padding: 12px 14px;
    animation: checkout-fadeUp .35s var(--ease-out) .28s both;
}

.checkout-payment-inner { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.checkout-payment-lock-icon { color: var(--brand); font-size: 13px; }
.checkout-payment-text { font-size: 12.5px; color: var(--text-3); font-weight: 500; }

.checkout-payment-icons { display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap; align-items: center; }
.checkout-payment-icons i { font-size: 22px; color: var(--text-4); transition: color var(--t-fast) ease; }
.checkout-payment-icons .fa-cc-visa:hover     { color: #1a1f71; }
.checkout-payment-icons .fa-cc-mastercard:hover { color: #eb001b; }
.checkout-payment-icons .fa-university:hover  { color: var(--brand); }
.checkout-payment-icons .fa-mobile-screen-button:hover { color: var(--amber-deep); }

/* ─── STICKY BOTTOM BAR ──────────────────────────────────── */
.checkout-sticky-bottom-bar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 300;
    height: var(--bottom-h);
    background: var(--surface);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 14px;
    gap: 10px;
    box-shadow: 0 -4px 24px rgba(0,0,0,.13), 0 -1px 0 var(--border);
}

.checkout-sbb-icon-btn, 
.checkout-sbb-support-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-width: 52px;
    height: 52px;
    border: 1.5px solid var(--border);
    background: var(--surface-2);
    color: var(--text-2);
    font-size: 11px;
    cursor: pointer;
    border-radius: var(--r-md);
    transition: all var(--t-fast) ease;
    position: relative;
    flex-shrink: 0;
    padding: 0 6px;
}

.checkout-sbb-icon-btn i, 
.checkout-sbb-support-btn i {
    font-size: 18px;
    line-height: 1;
}

.checkout-sbb-icon-btn:hover, 
.checkout-sbb-support-btn:hover {
    border-color: var(--brand);
    color: var(--brand);
    background: var(--brand-tint);
    transform: translateY(-1px);
}

.checkout-sbb-support-btn:active { transform: translateY(0); }

.checkout-sbb-cart-badge {
    position: absolute;
    top: 4px; right: 4px;
    background: var(--red);
    color: #fff;
    font-size: 9px;
    font-weight: 800;
    width: 15px; height: 15px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    border: 1.5px solid var(--surface);
}

.checkout-sbb-buy-btn {
    flex: 1;
    height: 52px;
    border: none;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, #0d9245 0%, #13b856 55%, #00c853 100%);
    color: #fff;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--t-mid) var(--ease-spring);
    box-shadow: 0 4px 20px rgba(0,200,83,.40);
    letter-spacing: .3px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
}

.checkout-sbb-buy-btn-icon { font-size: 14px; opacity: .9; }

.checkout-sbb-buy-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -55%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent);
    transform: skewX(-18deg);
    transition: left .6s ease;
}

.checkout-sbb-buy-btn:hover::before { left: 115%; }
.checkout-sbb-buy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,200,83,.52);
}
.checkout-sbb-buy-btn:active { transform: scale(.97); }

/* ─── ORDER TOTAL BUBBLE ────────────────────────────────── */
.checkout-order-total-bubble {
    position: fixed;
    bottom: calc(var(--bottom-h) + 10px);
    right: 14px;
    z-index: 290;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--r-full);
    padding: 6px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--sh-md);
    font-size: 12px;
    opacity: 0;
    transform: translateY(8px);
    transition: all var(--t-mid) var(--ease-out);
    pointer-events: none;
}

.checkout-order-total-bubble.show { opacity: 1; transform: translateY(0); }
.checkout-otb-label { color: var(--text-3); font-weight: 500; }
.checkout-otb-value { font-family: var(--font-display); font-size: 15px; font-weight: 900; color: var(--brand-vivid); letter-spacing: -.3px; }

/* ─── TOAST ──────────────────────────────────────────────── */
.checkout-toast-msg {
    position: fixed;
    bottom: calc(var(--bottom-h) + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #1a1d21;
    color: #fff;
    padding: 10px 20px;
    border-radius: var(--r-full);
    box-shadow: var(--sh-md);
    z-index: 1000;
    opacity: 0;
    font-size: 13px;
    font-weight: 600;
    max-width: 90vw;
    white-space: nowrap;
    pointer-events: none;
    transition: opacity var(--t-mid) ease, transform var(--t-mid) var(--ease-spring);
}

.checkout-toast-msg.checkout-is-error { background: linear-gradient(135deg, var(--red), var(--red-deep)); }
.checkout-toast-msg.checkout-show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ─── SKELETON LOADERS ────────────────────────────────────── */
.checkout-rel-skeleton { background: var(--surface); animation: checkout-skPulse 1.5s ease infinite; }

@keyframes checkout-skPulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}

.checkout-rel-sk-img { width: 100%; padding-top: 100%; background: var(--border); }
.checkout-rel-sk-lines { padding: 8px 8px 10px; }
.checkout-rel-sk-line { height: 10px; border-radius: var(--r-xs); background: var(--border); margin-bottom: 6px; }
.checkout-rel-sk-line.checkout-w60 { width: 60%; }
.checkout-rel-sk-line.checkout-w80 { width: 80%; }

/* ─── RESPONSIVE LAYOUT BREAKPOINTS ──────────────────────── */
@media (max-width: 480px) {
    .checkout-sbb-icon-btn,
    .checkout-sbb-support-btn {
        min-width: 48px;
        height: 48px;
        font-size: 10px;
    }
    
    .checkout-sbb-icon-btn i,
    .checkout-sbb-support-btn i {
        font-size: 16px;
    }
    
    .checkout-gallery-escrow-badge {
        bottom: 70px;
        padding: 6px 12px;
        font-size: 10px;
    }
    
    .checkout-gallery-heart {
        bottom: 70px;
        width: 34px;
        height: 34px;
    }
    
    .checkout-sbb-buy-btn {
        font-size: 12px;
        height: 48px;
    }
    
    .checkout-sbb-buy-btn-icon {
        font-size: 12px;
    }
}

/* ─── PREMIUM DARK MODE TRANSITIONS ──────────────────────── */
@media (prefers-color-scheme: dark) {
    :root {
        --bg:           #101214;
        --surface:      #1a1d21;
        --surface-2:    #22262b;
        --border:       #2e3238;
        --border-subtle:#22262b;
        --text-1:       #eceef0;
        --text-2:       #9ba3ae;
        --text-3:       #6b7280;
        --text-4:       #4b5563;
        --sh-sm:  0 1px 6px rgba(0,0,0,.45);
        --sh-md:  0 3px 12px rgba(0,0,0,.55);

        --amber-tint:  rgba(245,158,11,.12);
        --blue-tint:   rgba(37,99,235,.12);
        --purple-tint: rgba(124,58,237,.12);
    }

    body { background: #101214; }
    #checkout-loadingOverlay { background: rgba(0,0,0,0.72); }
    .checkout-plo-card { background: #1a1d21; box-shadow: 0 24px 60px rgba(0,0,0,0.55); }
    .checkout-plo-title { color: #eceef0; }
    .checkout-plo-step-dot { background: #2e3238; }

    .checkout-detail-tabs { background: #1a1d21; border-bottom-color: #2e3238; }
    .checkout-gallery-img { filter: brightness(.94); }
    .checkout-gallery-nav-btn { background: rgba(30,33,38,.85); color: #eceef0; }

    .checkout-product-info-block,
    .checkout-seller-shipping-strip,
    .checkout-qty-meta-block,
    .checkout-desc-section,
    .checkout-related-section,
    .checkout-safety-section,
    .checkout-payment-section,
    .checkout-trust-chips-row  { background: #1a1d21; }

    .checkout-trust-chips-row  { border-top-color: #2e3238; border-bottom-color: #2e3238; }

    .checkout-price-escrow-strip { background: rgba(0,200,83,.07); border-color: rgba(0,200,83,.18); }
    .checkout-discount-strip { background: rgba(230,57,70,.07); border-color: rgba(230,57,70,.18); }
    .checkout-digital-delivery-strip { background: rgba(46,204,113,.07); border-color: rgba(46,204,113,.18); }

    .checkout-qty-input-inline   { background: #1a1d21; color: #eceef0; }
    .checkout-qty-btn-sm         { background: #22262b; color: #9ba3ae; }
    .checkout-qty-stepper-inline { border-color: #2e3238; }

    .checkout-rel-card       { background: #1a1d21; }
    .checkout-rel-card:hover { background: #22262b; }
    .checkout-rel-img-wrap   { background: #22262b; }

    .checkout-safety-item       { background: #22262b; border-color: #2e3238; }
    .checkout-safety-item:hover { background: rgba(0,200,83,.08); border-color: var(--brand); }

    .checkout-sticky-bottom-bar { background: #1a1d21; border-top-color: #2e3238; }
    .checkout-sbb-icon-btn,
    .checkout-sbb-support-btn   { background: #22262b; border-color: #2e3238; color: #9ba3ae; }
    .checkout-sbb-icon-btn:hover,
    .checkout-sbb-support-btn:hover { background: rgba(0,200,83,.1); border-color: var(--brand); color: var(--brand); }

    .checkout-order-total-bubble { background: #1a1d21; border-color: #2e3238; }
    .checkout-visit-store-btn { background: #22262b; border-color: #2e3238; color: #9ba3ae; }
    .checkout-visit-store-btn:hover { border-color: var(--brand); color: var(--brand); background: rgba(46,204,113,.08); }

    .checkout-rel-sk-img, .checkout-rel-sk-line { background: #2e3238; }
    .checkout-best-price-tag { background: linear-gradient(135deg, rgba(245,158,11,.1), rgba(245,158,11,.07)); }
    
    .checkout-gallery-escrow-badge { background: rgba(0,0,0,.85); border-color: rgba(255,255,255,.15); }
}