:root {
    --premium-dark: #0f172a;
    --premium-light: #f8fafc;
    --premium-accent: #ff7f00;
    --premium-muted: #64748b;
}

body {
    background: var(--premium-light);
}

.premium-product {
    max-width: 980px;
    margin: 0 auto;
    padding-bottom: 120px;
}

.premium-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.premium-logo {
    font-weight: 800;
    font-size: 16px;
    color: var(--premium-dark);
}

.premium-back,
.premium-share {
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 12px;
    background: #f1f5f9;
    color: var(--premium-dark);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.premium-back:active,
.premium-share:active {
    transform: scale(0.95);
}

.premium-actions {
    display: flex;
    gap: 8px;
}

.flash-deal {
    margin: 16px 18px 8px;
    padding: 14px 16px;
    background: linear-gradient(120deg, #e11d48, #f97316);
    color: #fff;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    animation: pulse 2s ease-in-out infinite;
}

.flash-deal__left {
    display: grid;
    gap: 6px;
}

.flash-deal__label {
    font-weight: 800;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.flash-deal__right {
    display: grid;
    justify-items: end;
    gap: 4px;
}

.flash-deal__discount {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.flash-deal__old {
    text-decoration: line-through;
    font-size: 12px;
    opacity: 0.9;
}

.flash-deal__new {
    font-size: 20px;
    font-weight: 800;
}

.flash-deal__timer {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
}

.timer-block {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 10px;
    border-radius: 10px;
    display: grid;
    gap: 2px;
    text-align: center;
}

.timer-block strong {
    font-size: 16px;
}

.timer-block small {
    font-size: 10px;
    text-transform: uppercase;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 rgba(255, 127, 0, 0.2); }
    50% { box-shadow: 0 0 24px rgba(255, 127, 0, 0.4); }
}

.gallery {
    margin: 0 18px;
}

.gallery-main {
    position: relative;
    background: #fff;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 18px 35px rgba(15, 23, 42, 0.08);
}

.gallery-main img {
    width: 100%;
    display: block;
    transition: transform 0.4s ease;
}

.gallery-media video {
    width: 100%;
    display: block;
    background: #000;
}

.gallery-main.zoomed img {
    transform: scale(1.2);
}

.gallery-main.fullscreen {
    position: fixed;
    inset: 0;
    z-index: 3000;
    border-radius: 0;
    background: #000;
}

.gallery-main.fullscreen img,
.gallery-main.fullscreen video {
    height: 100vh;
    object-fit: contain;
    background: #000;
}

body.no-scroll {
    overflow: hidden;
}

.gallery-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    gap: 8px;
}

.badge {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
}

.badge-hot {
    background: #ef4444;
}

.badge-premium {
    background: #1e293b;
}

.badge-info {
    background: #0ea5e9;
}

.gallery-thumbs {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 12px 4px;
    scroll-snap-type: x mandatory;
}

.thumb {
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    scroll-snap-align: start;
    border-radius: 14px;
    overflow: hidden;
    outline: 2px solid transparent;
    transition: outline 0.2s ease;
}

.thumb img {
    width: 80px;
    height: 80px;
    object-fit: cover;
}

.thumb-video {
    width: 80px;
    height: 80px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: #0f172a;
    color: #fff;
}

.thumb.active {
    outline-color: var(--premium-accent);
}

.product-info {
    margin: 20px 18px 0;
    display: grid;
    gap: 16px;
}

.product-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--premium-dark);
    line-height: 1.3;
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.rating-row {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--premium-muted);
    font-size: 12px;
}

.rating-stars {
    color: #f59e0b;
    display: flex;
    gap: 4px;
}

.rating-text {
    font-weight: 600;
}

.meta-tag {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 11px;
    background: #e2e8f0;
    color: var(--premium-dark);
    font-weight: 600;
}

.price-card {
    background: #fff;
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.08);
    display: grid;
    gap: 8px;
}

.price-main {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.price-current {
    font-size: 26px;
    font-weight: 800;
    color: var(--premium-dark);
}

.price-old {
    text-decoration: line-through;
    color: #94a3b8;
    font-size: 14px;
}

.price-details {
    display: flex;
    gap: 12px;
    font-weight: 600;
    color: var(--premium-accent);
    font-size: 12px;
}

.trust-badges {
    display: grid;
    gap: 10px;
}

.stock-card {
    background: #fff;
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 16px 28px rgba(15, 23, 42, 0.06);
    display: grid;
    gap: 8px;
}

.stock-header {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    color: var(--premium-dark);
    font-size: 13px;
}

.stock-bar {
    height: 8px;
    background: #f1f5f9;
    border-radius: 999px;
    overflow: hidden;
}

.stock-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, #f97316, #ef4444);
}

.stock-note {
    font-size: 12px;
    color: #ef4444;
    font-weight: 600;
}

.shipping-card {
    background: #fff;
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 16px 28px rgba(15, 23, 42, 0.06);
    display: grid;
    gap: 14px;
}

.shipping-card h2 {
    font-size: 15px;
    font-weight: 800;
    color: var(--premium-dark);
}

.shipping-item {
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 10px;
    align-items: start;
}

.shipping-item i {
    color: var(--premium-accent);
    font-size: 18px;
}

.shipping-title {
    font-weight: 700;
    font-size: 13px;
    color: var(--premium-dark);
}

.shipping-link {
    text-decoration: none;
    color: var(--premium-dark);
    display: inline-block;
}

.shipping-link:hover,
.shipping-link:focus {
    color: var(--premium-accent);
}

.shipping-text {
    font-size: 12px;
    color: var(--premium-muted);
}

.shipping-highlight {
    font-size: 12px;
    color: #16a34a;
    font-weight: 600;
}

.trust-badge {
    background: #fff;
    border-radius: 12px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--premium-dark);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.06);
    font-size: 13px;
}


.seller-card {
    background: #fff;
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 16px 28px rgba(15, 23, 42, 0.06);
    display: grid;
    gap: 8px;
}

.seller-title {
    font-weight: 700;
    font-size: 14px;
    color: var(--premium-dark);
}

.seller-line {
    font-size: 13px;
    color: var(--premium-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.seller-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: center;
}

.seller-name {
    font-weight: 800;
    font-size: 14px;
    color: var(--premium-dark);
}

.seller-score {
    background: #f8fafc;
    border-radius: 12px;
    padding: 8px 10px;
    text-align: center;
    font-weight: 800;
    color: var(--premium-dark);
}

.seller-score small {
    display: block;
    font-size: 10px;
    color: var(--premium-muted);
    font-weight: 600;
}

.seller-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 6px;
}

.seller-metrics div {
    background: #f8fafc;
    border-radius: 10px;
    padding: 8px 6px;
    text-align: center;
}

.seller-metrics strong {
    display: block;
    font-size: 13px;
    font-weight: 800;
}

.seller-metrics span {
    font-size: 10px;
    color: var(--premium-muted);
}

.seller-actions {
    margin-top: 6px;
}

.seller-subscribe {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 12px;
    background: #0f172a;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 12px;
}

.product-description {
    background: #fff;
    padding: 0;
    border-radius: 16px;
    box-shadow: 0 16px 28px rgba(15, 23, 42, 0.06);
    overflow: hidden;
}

.description-toggle {
    width: 100%;
    background: #fff;
    border: none;
    padding: 16px;
    font-weight: 800;
    font-size: 14px;
    color: var(--premium-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.description-content {
    padding: 0 16px 16px;
    font-size: 13px;
    color: var(--premium-muted);
}


.product-section {
    margin: 24px 18px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.section-see-more {
    font-size: 12px;
    font-weight: 700;
    color: var(--premium-muted);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
    transition: color 0.2s ease;
}

.section-see-more::after {
    content: "→";
    font-size: 13px;
}

.section-see-more:hover,
.section-see-more:focus {
    color: var(--premium-accent);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.product-grid--scroll {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 60%;
    overflow-x: auto;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
}

.product-tile {
    background: #fff;
    border-radius: 16px;
    padding: 10px;
    box-shadow: 0 16px 24px rgba(15, 23, 42, 0.08);
    text-decoration: none;
    color: var(--premium-dark);
    display: grid;
    gap: 8px;
    transition: transform 0.2s ease;
    position: relative;
}

.product-grid--scroll .product-tile {
    scroll-snap-align: start;
}

.tile-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: #ef4444;
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    padding: 4px 8px;
    border-radius: 999px;
}

.product-tile:hover {
    transform: translateY(-3px);
}

.product-tile img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 12px;
}

.product-tile__name {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;
}

.product-tile__price {
    color: var(--premium-accent);
    font-weight: 700;
    font-size: 13px;
}

.section-empty {
    background: #fff;
    padding: 16px;
    border-radius: 12px;
    color: var(--premium-muted);
    font-size: 13px;
}

.sticky-buy {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    box-shadow: 0 -12px 30px rgba(15, 23, 42, 0.12);
    z-index: 200;
}

.sticky-buy__actions {
    display: flex;
    gap: 10px;
    align-items: center;
    width: 100%;
}

.sticky-buy__chat {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 14px;
    border-radius: 14px;
    background: #f1f5f9;
    color: var(--premium-dark);
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    flex: 0 0 28%;
    border: 1px solid #e2e8f0;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
    letter-spacing: 0.2px;
}

.sticky-buy__chat.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.sticky-buy__price {
    font-weight: 800;
    color: var(--premium-dark);
    font-size: 16px;
}

.sticky-buy__btn {
    background: #ff7f00;
    color: #fff;
    border: none;
    padding: 14px 24px;
    border-radius: 14px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s ease;
    flex: 1;
    box-shadow: 0 12px 24px rgba(255, 127, 0, 0.35);
    letter-spacing: 0.3px;
}

.sticky-buy__btn:active {
    transform: scale(0.97);
}

@media (min-width: 768px) {
    .premium-product {
        padding-bottom: 40px;
    }

    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .product-grid--scroll {
        grid-auto-columns: 30%;
    }

    .sticky-buy {
        position: static;
        max-width: 980px;
        margin: 24px auto 40px;
        border-radius: 18px;
    }
}

.premium-404 {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: var(--premium-light);
}

.premium-404__card {
    background: #fff;
    padding: 28px;
    border-radius: 18px;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
    text-align: center;
    max-width: 420px;
}

.premium-404__card h1 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--premium-dark);
}

.premium-404__card p {
    color: var(--premium-muted);
    margin-bottom: 16px;
}

.premium-404__btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 12px;
    background: var(--premium-accent);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
}