/* ======================================================
   GLOBAL RESET
====================================================== */

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    font-family:Arial,sans-serif;
    background:#f5f5f5;
    color:#111;
    line-height:1.5;
    overflow-x:hidden;

    /* NAVBAR OFFSET */
    padding-top:90px;
}

img{
    width:100%;
    display:block;
}

a{
    text-decoration:none;
    color:inherit;
}


.image-box{
    width:100%;
}

/* slider container */
.slider-wrapper{
    position:relative;
    width:100%;
    height:450px;
    overflow:hidden;
    border-radius:12px;
}

/* track */
.slider-track{
    display:flex;
    width:100%;
    height:100%;
    transition:transform 0.5s ease-in-out;
}

/* slide */
.slide{
    min-width:100%;
    height:100%;
}

.slide img{
    width:100%;
    height:100%;
    object-fit:cover;
}

/* wishlist */
.wishlist-btn{
    position:absolute;
    top:15px;
    right:15px;
    z-index:2;

    background:#fff;
    border:none;
    border-radius:50%;

    width:40px;
    height:40px;

    cursor:pointer;
}

/* thumbnails */
.thumbs{
    display:flex;
    gap:10px;
    margin-top:12px;
    overflow-x:auto;
}

.thumb-item img{
    width:60px;
    height:60px;
    object-fit:cover;
    border-radius:0px;
    cursor:pointer;
    border:2px solid transparent;
}

.thumb-item img:hover{
    border-color:#f59e0b;
}

/* ======================================================
   PRODUCT DETAIL SECTION
====================================================== */

.product-detail-section{
    padding:30px 20px 60px;
}

.product-container{
    width:100%;
    max-width:1400px;

    margin:auto;

    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);

    gap:50px;
    align-items:start;
}


/* ======================================================
   LEFT SIDE IMAGES
====================================================== */

.image-box{
    position:sticky;
    top:20px;
}

.main-image-wrapper{
    position:relative;

    width:100%;
    aspect-ratio:1/1;

    background:#fff;

    border-radius:20px;

    overflow:hidden;

    border:1px solid #ececec;

    box-shadow:0 6px 20px rgba(0,0,0,0.04);
}

.main-image-wrapper img{
    width:100%;
    height:100%;

    object-fit:cover;

    transition:0.35s ease;
}

.main-image-wrapper:hover img{
    transform:scale(1.03);
}


/* ======================================================
   WISHLIST BUTTON
====================================================== */

.wishlist-btn{
    position:absolute;

    top:16px;
    right:16px;

    width:48px;
    height:48px;

    border:none;
    border-radius:50%;

    background:rgba(255,255,255,0.92);

    backdrop-filter:blur(10px);

    display:flex;
    align-items:center;
    justify-content:center;

    font-size:22px;

    cursor:pointer;

    box-shadow:0 8px 24px rgba(0,0,0,0.12);

    z-index:10;

    transition:0.25s ease;
}

.wishlist-btn:hover{
    transform:scale(1.08);
}

.wishlist-btn.active{
    background:#111;
    color:#fff;
}


/* ======================================================
   THUMBNAILS
====================================================== */

.thumbs{
    display:flex;

    gap:14px;

    margin-top:18px;

    overflow-x:auto;

    scrollbar-width:none;

    padding-bottom:4px;
}

.thumbs::-webkit-scrollbar{
    display:none;
}

.thumb-item{
    flex-shrink:0;

    width:88px;
    height:88px;

    border-radius:16px;

    overflow:hidden;

    background:#fff;

    border:2px solid transparent;

    cursor:pointer;

    transition:0.25s ease;
}

.thumb-item:hover{
    border-color:#111;
}

.thumb-item.active{
    border-color:#111;
}

.thumb-item img{
    width:100%;
    height:100%;

    object-fit:cover;
}


/* ======================================================
   RIGHT SIDE INFO
====================================================== */

.info-box{
    background:#fff;

    border-radius:24px;

    padding:42px;

    border:1px solid #ececec;

    box-shadow:0 6px 20px rgba(0,0,0,0.04);
}


/* CATEGORY */

.product-category{
    font-size:12px;
    font-weight:700;

    letter-spacing:1.5px;

    color:#777;

    text-transform:uppercase;

    margin-bottom:12px;
}


/* TITLE */

.product-title{
    font-size:42px;
    font-weight:800;

    line-height:1.2;

    margin-bottom:18px;

    color:#111;
}


/* BRAND */

.brand-name{
    font-size:15px;

    color:#666;

    margin-bottom:22px;
}

.brand-name span{
    font-weight:700;
    color:#111;
}


/* DESCRIPTION */

.product-description{
    color:#555;

    font-size:15px;

    line-height:1.9;

    margin-bottom:34px;
}


/* ======================================================
   PRICE
====================================================== */

.price-box{
    font-size:40px;
    font-weight:800;

    margin-bottom:28px;

    color:#111;
}


/* ======================================================
   STOCK
====================================================== */

.stock-status{
    margin-bottom:28px;

    font-size:15px;
    font-weight:700;
}

.in-stock{
    color:#16a34a;
}

.out-stock{
    color:#dc2626;
}


/* ======================================================
   OPTIONS
====================================================== */

.options{
    margin-bottom:30px;
}

.options h4{
    margin-bottom:14px;

    font-size:15px;
    font-weight:700;

    color:#222;
}


/* OPTION LIST */

.option-list{
    display:flex;

    gap:12px;

    flex-wrap:wrap;
}


/* SIZE BUTTON */

.option-btn{
    min-width:60px;

    padding:12px 18px;

    border:1px solid #ddd;

    background:#fff;

    border-radius:14px;

    cursor:pointer;

    font-size:14px;
    font-weight:700;

    transition:0.25s ease;
}

.option-btn:hover{
    border-color:#111;
}

.option-btn.active{
    background:#111;
    border-color:#111;
    color:#fff;
}


/* ======================================================
   COLORS
====================================================== */

.color-list{
    display:flex;

    gap:14px;

    flex-wrap:wrap;
}

.color-btn{
    width:42px;
    height:42px;

    border-radius:50%;

    border:3px solid #e5e5e5;

    cursor:pointer;

    transition:0.25s ease;
}

.color-btn:hover{
    transform:scale(1.08);
}

.color-btn.active{
    border-color:#111;
    transform:scale(1.1);
}


/* ======================================================
   QUANTITY
====================================================== */

.qty-wrapper{
    display:flex;
    align-items:center;
    gap:12px;
}

.qty-btn{
    width:44px;
    height:44px;

    border:none;

    background:#111;
    color:#fff;

    border-radius:12px;

    font-size:20px;
    font-weight:700;

    cursor:pointer;

    transition:0.25s ease;
}

.qty-btn:hover{
    opacity:0.9;
}

#quantity{
    width:72px;
    height:44px;

    border:1px solid #ddd;

    border-radius:12px;

    text-align:center;

    font-size:16px;
    font-weight:700;

    outline:none;
}


/* ======================================================
   ADD TO CART BUTTON
====================================================== */

.add-btn{
    width:100%;
    height:58px;

    margin-top:14px;

    border:none;

    border-radius:16px;

    background:#111;
    color:#fff;

    font-size:16px;
    font-weight:700;

    cursor:pointer;

    transition:0.3s ease;
}

.add-btn:hover{
    transform:translateY(-2px);
    opacity:0.94;
}

.add-btn:disabled{
    background:#999;
    cursor:not-allowed;
    transform:none;
}


/* ======================================================
   CART MESSAGE
====================================================== */

#cartMessage{
    margin-top:16px;

    font-size:14px;
    font-weight:700;
}


/* ======================================================
   RELATED SECTION
====================================================== */

.related-section{
    width:100%;
    max-width:1440px;

    margin:60px auto;

    padding:0 20px;
}


/* ======================================================
   RELATED HEADER
====================================================== */

.related-header{
    margin-bottom:26px;
}

.related-header h2{
    font-size:34px;
    font-weight:800;

    color:#111827;

    letter-spacing:-0.5px;
}


/* ======================================================
   RELATED GRID
====================================================== */

.related-scroll{
    display:grid;

    grid-template-columns:repeat(4,minmax(0,1fr));

    gap:22px;
}


/* ======================================================
   RELATED CARD
====================================================== */

.related-card{
    width:100%;

    background:#fff;

    border-radius:22px;

    overflow:hidden;

    border:1px solid #ececec;

    transition:
        transform 0.35s ease,
        box-shadow 0.35s ease,
        border-color 0.35s ease;

    box-shadow:
        0 2px 6px rgba(0,0,0,0.03),
        0 1px 2px rgba(0,0,0,0.04);
}

.related-card:hover{
    transform:translateY(-6px);

    border-color:#e5e7eb;

    box-shadow:
        0 14px 30px rgba(0,0,0,0.08),
        0 3px 10px rgba(0,0,0,0.04);
}


/* ======================================================
   RELATED LINK
====================================================== */

.related-link{
    display:block;
}


/* ======================================================
   RELATED IMAGE
====================================================== */

.related-img{
    width:100%;

    height:320px;

    overflow:hidden;

    background:#f8fafc;
}

.related-img img{
    width:100%;
    height:100%;

    object-fit:cover;

    transition:0.45s ease;
}

.related-card:hover .related-img img{
    transform:scale(1.05);
}


/* ======================================================
   RELATED BODY
====================================================== */

.related-body{
    padding:14px 14px 12px;

    display:flex;
    flex-direction:column;

    gap:4px;
}


/* ======================================================
   RELATED BRAND
====================================================== */

.related-brand{
    font-size:10px;

    font-weight:700;

    text-transform:uppercase;

    letter-spacing:1px;

    color:#9ca3af;

    line-height:1.2;

    overflow:hidden;
    white-space:nowrap;
    text-overflow:ellipsis;
}


/* ======================================================
   RELATED TITLE
====================================================== */

.related-title{
    font-size:14px;

    font-weight:600;

    line-height:1.4;

    color:#111827;

    overflow:hidden;

    display:-webkit-box;

    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
}


/* ======================================================
   RELATED FOOTER
====================================================== */

.related-footer{
    display:flex;

    align-items:center;
    justify-content:space-between;

    margin-top:2px;
}


/* ======================================================
   RELATED PRICE
====================================================== */

.related-price{
    font-size:18px;

    font-weight:800;

    color:#111827;

    line-height:1;
}


/* ======================================================
   TOAST
====================================================== */

.custom-toast{
    position:fixed;

    top:100px;
    right:24px;

    min-width:320px;
    max-width:420px;

    background:#111;
    color:#fff;

    padding:16px 20px;

    border-radius:16px;

    box-shadow:0 12px 30px rgba(0,0,0,0.15);

    z-index:99999;

    opacity:0;
    visibility:hidden;

    transform:translateY(-20px);

    transition:0.3s ease;
}

.custom-toast.show{
    opacity:1;
    visibility:visible;

    transform:translateY(0);
}

.custom-toast.success{
    background:#16a34a;
}

.custom-toast.error{
    background:#dc2626;
}

.toast-content{
    display:flex;
    align-items:center;
    gap:14px;
}

.toast-icon{
    width:28px;
    height:28px;

    border-radius:50%;

    background:rgba(255,255,255,0.2);

    display:flex;
    align-items:center;
    justify-content:center;
}

.toast-message{
    font-size:14px;
    font-weight:600;
}


/* ======================================================
   LARGE LAPTOPS
====================================================== */

@media(max-width:1200px){

    .product-container{
        gap:36px;
    }

    .info-box{
        padding:34px;
    }

    .product-title{
        font-size:36px;
    }
}


/* ======================================================
   TABLETS
====================================================== */

@media(max-width:992px){

    body{
        padding-top:75px;
    }

    .product-container{
        grid-template-columns:1fr;

        gap:28px;
    }

    .image-box{
        position:relative;
        top:0;
    }

    .info-box{
        padding:30px;
    }

    .product-title{
        font-size:34px;
    }

    .price-box{
        font-size:34px;
    }

    .related-scroll{
        grid-template-columns:repeat(3,minmax(0,1fr));
    }

    .related-img{
        height:260px;
    }
}


/* ======================================================
   MOBILE
====================================================== */

@media(max-width:768px){

    body{
        padding-top:68px;
    }

    .product-detail-section{
        padding:16px 12px 40px;
    }

    .product-container{
        gap:22px;
    }

    .main-image-wrapper{
        border-radius:18px;
    }

    .wishlist-btn{
        width:42px;
        height:42px;

        top:12px;
        right:12px;

        font-size:20px;
    }

    .thumbs{
        gap:10px;
    }

    .thumb-item{
        width:68px;
        height:68px;

        border-radius:12px;
    }

    .info-box{
        padding:22px 18px;

        border-radius:20px;
    }

    .product-title{
        font-size:26px;
    }

    .product-description{
        font-size:14px;
    }

    .price-box{
        font-size:28px;
    }

    .option-btn{
        min-width:52px;

        padding:10px 14px;

        font-size:13px;
    }

    .color-btn{
        width:36px;
        height:36px;
    }

    .qty-btn{
        width:40px;
        height:40px;
    }

    #quantity{
        width:64px;
        height:40px;
    }

    .add-btn{
        height:54px;
        font-size:15px;
    }

    /* RELATED */

    .related-section{
        margin:40px auto;

        padding:0 12px;
    }

    .related-header h2{
        font-size:24px;
    }

    .related-scroll{
        grid-template-columns:repeat(2,minmax(0,1fr));

        gap:12px;
    }

    .related-card{
        border-radius:16px;
    }

    .related-img{
        height:220px;
    }

    .related-body{
        padding:10px;

        gap:3px;
    }

    .related-brand{
        font-size:8px;
    }

    .related-title{
        font-size:12px;

        line-height:1.35;
    }

    .related-price{
        font-size:14px;
    }

    .custom-toast{
        right:12px;
        left:12px;

        min-width:auto;
        max-width:none;

        top:80px;
    }
}


/* ======================================================
   SMALL MOBILE
====================================================== */

@media(max-width:480px){

    .product-detail-section{
        padding:12px 10px 30px;
    }

    .info-box{
        padding:18px 16px;
    }

    .product-title{
        font-size:22px;
    }

    .price-box{
        font-size:24px;
    }

    .product-description{
        font-size:13px;
    }

    .thumb-item{
        width:60px;
        height:60px;
    }

    .related-scroll{
        gap:10px;
    }

    .related-img{
        height:170px;
    }

    .related-body{
        padding:8px;

        gap:2px;
    }

    .related-brand{
        font-size:7px;
    }

    .related-title{
        font-size:11px;

        line-height:1.3;
    }

    .related-price{
        font-size:13px;
    }

    .toast-message{
        font-size:13px;
    }
}


/* ======================================================
   EXTRA SMALL DEVICES
====================================================== */

@media(max-width:360px){

    .related-scroll{
        gap:8px;
    }

    .related-img{
        height:145px;
    }

    .related-title{
        font-size:10px;
    }

    .related-price{
        font-size:12px;
    }
}



/* =========================================
   OVERLAY
========================================= */

.size-overlay{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;

    background:rgba(0,0,0,0.6);

    opacity:0;
    visibility:hidden;

    transition:.3s ease;

    z-index:999;
}

/* ACTIVE OVERLAY */
.size-overlay.active{
    opacity:1;
    visibility:visible;
}

/* =========================================
   MODAL BOX (CENTER)
========================================= */

.size-modal{
    position:fixed;
    top:50%;
    left:50%;

    transform:translate(-50%, -50%) scale(0.9);

    width:90%;
    max-width:500px;

    background:#0f172a;
    color:#fff;

    border-radius:12px;

    padding:20px;

    z-index:1000;

    opacity:0;
    visibility:hidden;

    transition:.3s ease;

    box-shadow:0 20px 50px rgba(0,0,0,0.5);
}

/* ACTIVE MODAL */
.size-modal.active{
    opacity:1;
    visibility:visible;
    transform:translate(-50%, -50%) scale(1);
}

/* =========================================
   CLOSE BUTTON
========================================= */

.close-size{
    position:absolute;
    top:10px;
    right:12px;

    background:none;
    border:none;

    color:#fff;
    font-size:20px;

    cursor:pointer;
}

/* =========================================
   TABLE STYLING
========================================= */

.size-modal table{
    width:100%;
    margin-top:15px;
    border-collapse:collapse;
}

.size-modal th,
.size-modal td{
    padding:10px;
    border-bottom:1px solid rgba(255,255,255,0.1);
    text-align:center;
}

.size-modal th{
    color:#f59e0b;
}

#stockStatus{
    color:red;
}
.stock-status{
    display:flex;
    align-items:center;
    gap:10px;
}

/* size chart link */
.stock-size-link{
    background:none;
    border:none;

    color:#f59e0b;
    font-size:15px;

    cursor:pointer;
    text-decoration:underline #000;
    margin-left:8x;


    transition:.2s ease;
}

.stock-size-link:hover{
    color:#000;
}