:root{
    --ink:#111827;
    --muted:#667085;
    --line:#e5ebf2;
    --soft:#f6f8fb;
    --blue:#1769e0;
    --blue-dark:#0f55bc;
    --orange:#ff8a1f;
    --danger:#dc2626;
    --radius-xl:32px;
    --radius-lg:24px;
    --shadow:0 24px 70px rgba(15,23,42,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    color:var(--ink);
    background:#fff
}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
img{display:block;max-width:100%}
.shop-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    border-bottom:1px solid rgba(229,235,242,.95);
    backdrop-filter:blur(18px)
}
.shop-header-inner{
    max-width:1280px;min-height:78px;margin:auto;padding:0 28px;
    display:flex;align-items:center;justify-content:space-between;gap:24px
}
.shop-logo{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:950;letter-spacing:-.03em}
.logo-mark{
    width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
    color:#fff;background:linear-gradient(135deg,var(--blue),#58a8ff);
    box-shadow:0 10px 24px rgba(23,105,224,.24)
}
.shop-logo small{font-size:10px;color:var(--orange);letter-spacing:.15em}
.shop-header nav{display:flex;align-items:center;gap:25px;font-weight:800;color:#475467}
.shop-header nav a:hover{color:var(--blue)}
.cart-link{display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:14px;background:var(--ink);color:#fff!important}
.cart-link span{min-width:22px;height:22px;padding:0 6px;border-radius:999px;display:grid;place-items:center;background:var(--orange);font-size:12px}
.product-page{max-width:1280px;margin:auto;padding:28px 28px 90px}
.notice{
    margin:0 0 24px;padding:15px 18px;border-radius:16px;
    display:flex;align-items:center;justify-content:space-between;gap:18px;font-weight:800
}
.notice.success{background:#ecfdf3;color:#047857;border:1px solid #b7ebcc}
.notice.danger{background:#fff1f2;color:#b42318;border:1px solid #fecdd3}
.notice a{text-decoration:underline}
.breadcrumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:6px 0 24px;color:#8a95a5;font-size:13px}
.breadcrumbs a:hover{color:var(--blue)}
.breadcrumbs strong{color:#475467}
.product-layout{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(430px,.92fr);
    gap:64px;
    align-items:start
}
.product-gallery{position:sticky;top:108px}
.main-image-wrap{
    position:relative;
    width:100%;
    aspect-ratio:1/1;
    overflow:hidden;
    border-radius:34px;
    background:linear-gradient(145deg,#f5f7fb,#edf2f7);
    box-shadow:0 26px 75px rgba(15,23,42,.13)
}
.main-image-wrap img{
    width:100%;height:100%;object-fit:cover;object-position:center;
    transition:opacity .18s ease,transform .4s ease
}
.main-image-wrap:hover img{transform:scale(1.02)}
.no-image{height:100%;display:grid;place-items:center;color:#98a2b3;font-weight:900}
.gallery-badge{
    position:absolute;top:20px;left:20px;
    padding:9px 14px;border-radius:999px;
    background:var(--danger);color:#fff;font-size:12px;font-weight:950;
    box-shadow:0 8px 22px rgba(220,38,38,.22)
}
.gallery-note{
    margin-top:14px;padding:15px 17px;border:1px solid var(--line);
    border-radius:17px;background:#fafbfc
}
.gallery-note strong,.gallery-note span{display:block}
.gallery-note strong{font-size:13px}
.gallery-note span{margin-top:4px;color:var(--muted);font-size:12px;line-height:1.5}
.product-info{min-width:0}
.product-category{
    display:inline-flex;padding:7px 10px;border-radius:999px;
    color:var(--blue);background:#edf4ff;font-size:11px;font-weight:900;
    text-transform:uppercase;letter-spacing:.1em
}
.product-info h1{
    margin:14px 0 13px;
    font-size:clamp(38px,4vw,58px);
    line-height:1.02;letter-spacing:-.055em
}
.lead{margin:0;color:var(--muted);font-size:17px;line-height:1.7}
.price-box{
    margin:24px 0;padding:20px 22px;border-radius:22px;
    background:linear-gradient(135deg,#f8fafc,#eef4ff);
    border:1px solid #dde7f4
}
.price-main{display:flex;align-items:baseline;gap:11px;flex-wrap:wrap}
.price-main strong{font-size:34px;letter-spacing:-.035em}
.regular-price{text-decoration:line-through;color:#98a2b3;font-size:16px;font-weight:800}
.price-box>small{display:block;margin-top:4px;color:var(--muted)}
.surcharge-summary{
    margin-top:14px;padding-top:13px;border-top:1px solid #dce6f2;
    display:flex;justify-content:space-between;gap:16px;color:#475467;font-size:13px
}
.surcharge-summary strong{color:var(--blue)}
.option-group{
    margin-top:18px;padding:21px;border:1px solid var(--line);
    border-radius:23px;background:#fff
}
.option-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:15px}
.option-title strong{font-size:15px}
.option-title>span{color:var(--muted);font-size:13px}
.variation-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.variation-card{position:relative;display:block;cursor:pointer}
.variation-card input{position:absolute;opacity:0;pointer-events:none}
.variation-visual{
    display:block;aspect-ratio:1/1;overflow:hidden;border:2px solid transparent;
    border-radius:16px;background:var(--soft);transition:.18s ease
}
.variation-visual img{width:100%;height:100%;object-fit:cover}
.variation-placeholder{display:block;width:100%;height:100%;background:#e9eef5}
.variation-name{display:block;margin-top:7px;text-align:center;color:#667085;font-size:12px;font-weight:800}
.variation-card input:checked+.variation-visual{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,105,224,.1)}
.variation-card input:checked~.variation-name{color:var(--blue)}
.size-chart-button{border:0;background:transparent;color:var(--blue);font-weight:900;cursor:pointer}
.size-grid{display:flex;gap:9px;flex-wrap:wrap}
.size-option{position:relative;cursor:pointer}
.size-option input{position:absolute;opacity:0}
.size-option span{
    min-width:48px;height:44px;padding:0 13px;border:1px solid var(--line);
    border-radius:13px;display:grid;place-items:center;background:#fff;font-weight:900
}
.size-option input:checked+span{color:#fff;background:var(--blue);border-color:var(--blue)}
.personalization-group{padding:0;border:0}
.personalization-group>.option-title{padding:0 2px}
.personalization-list{display:grid;gap:12px}
.personalization-card{
    overflow:hidden;border:1px solid var(--line);
    border-radius:21px;background:#fff;transition:.18s ease
}
.personalization-card.active{border-color:#aac8f4;box-shadow:0 10px 30px rgba(23,105,224,.08)}
.personalization-card.required{border-color:#dce7f7}
.personalization-select{
    min-height:76px;padding:15px 17px;
    display:flex;align-items:center;gap:13px;cursor:pointer
}
.personalization-select>input{position:absolute;opacity:0}
.position-check{
    width:23px;height:23px;flex:0 0 23px;border-radius:8px;
    border:2px solid #c5ceda;position:relative
}
.personalization-select>input:checked~.position-check{background:var(--blue);border-color:var(--blue)}
.personalization-select>input:checked~.position-check:after{
    content:"✓";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:14px;font-weight:950
}
.position-copy{min-width:0;flex:1}
.position-copy strong,.position-copy small{display:block}
.position-copy small{margin-top:4px;color:var(--muted);font-size:12px;line-height:1.4}
.position-price{
    flex:0 0 auto;padding:8px 10px;border-radius:999px;
    background:#ecfdf3;color:#047857;font-size:11px;font-weight:900
}
.personalization-fields{
    display:grid;
    grid-template-columns:minmax(0,1fr);
    gap:18px;
    padding:20px;
    border-top:1px solid var(--line);
    background:#fafcff
}
.personalization-fields.has-illustration{
    grid-template-columns:150px minmax(0,1fr)
}
.personalization-fields[hidden]{display:none}
.position-illustration{
    aspect-ratio:1/1;border-radius:16px;overflow:hidden;background:#f2f5f8
}
.position-illustration img{width:100%;height:100%;object-fit:contain}
.position-inputs{min-width:0}
.field-label{display:block;margin-bottom:7px;font-size:13px;font-weight:900}
textarea{
    width:100%;min-height:90px;resize:vertical;padding:13px 14px;
    border:1px solid #d8e0ea;border-radius:14px;outline:0;background:#fff
}
textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,105,224,.09)}
.field-help{display:block;margin:6px 0 12px;color:var(--muted);font-size:11px}
.upload-box{
    min-height:112px;padding:18px;border:1.5px dashed #b9c8da;
    border-radius:17px;background:#f8fbff;
    display:grid;place-items:center;text-align:center;cursor:pointer
}
.upload-box.compact{min-height:92px;margin-top:2px}
.upload-box input{position:absolute;width:1px;height:1px;opacity:0}
.upload-box strong,.upload-box span{display:block}
.upload-box strong{color:var(--blue)}
.upload-box span{margin-top:5px;color:var(--muted);font-size:11px}
.upload-list{display:grid;gap:5px;margin-top:8px;color:#475467;font-size:11px}
.buy-card{
    margin-top:20px;padding:18px;border-radius:22px;
    background:var(--ink);color:#fff
}
.buy-row{display:grid;grid-template-columns:132px 1fr;gap:12px}
.quantity{
    height:56px;display:grid;grid-template-columns:40px 1fr 40px;
    border:1px solid rgba(255,255,255,.16);border-radius:16px;overflow:hidden
}
.quantity button,.quantity input{
    border:0;background:transparent;color:#fff;text-align:center;outline:0
}
.quantity button{font-size:22px;cursor:pointer}
.quantity input{-moz-appearance:textfield;font-weight:900}
.quantity input::-webkit-outer-spin-button,.quantity input::-webkit-inner-spin-button{-webkit-appearance:none}
.add-to-cart{
    min-height:56px;border:0;border-radius:16px;padding:0 20px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    color:#fff;background:var(--blue);font-weight:950;cursor:pointer
}
.add-to-cart:hover{background:var(--blue-dark)}
.add-to-cart strong{white-space:nowrap}
.buy-note{display:block;margin-top:10px;color:#aab4c4;font-size:11px}
.product-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.product-benefits>div{
    min-width:0;padding:14px;border:1px solid var(--line);border-radius:17px;
    display:flex;align-items:flex-start;gap:9px;background:#fff
}
.product-benefits b{color:var(--blue)}
.product-benefits span,.product-benefits strong,.product-benefits small{display:block}
.product-benefits strong{font-size:12px}
.product-benefits small{margin-top:3px;color:var(--muted);font-size:10px;line-height:1.4}
.product-description{
    max-width:900px;margin:90px auto 0;padding:40px;
    border-radius:30px;background:#f7f9fc
}
.description-kicker{font-size:11px;color:var(--blue);font-weight:950;letter-spacing:.12em}
.product-description h2{margin:9px 0 18px;font-size:36px;letter-spacing:-.04em}
.product-description>div{color:#475467;line-height:1.8}
.size-modal[hidden]{display:none}
.size-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px}
.size-modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.72)}
.size-modal-card{
    position:relative;z-index:2;width:min(760px,100%);max-height:90vh;overflow:auto;
    padding:28px;border-radius:26px;background:#fff;box-shadow:var(--shadow)
}
.size-modal-card img{width:100%;height:auto;border-radius:16px}
.size-modal-card p{color:var(--muted);line-height:1.6}
.size-modal-close{
    position:absolute;top:14px;right:14px;width:42px;height:42px;border:0;border-radius:14px;
    background:#eef2f6;font-size:25px;cursor:pointer
}
@media(max-width:1050px){
    .product-layout{grid-template-columns:minmax(0,1fr) minmax(390px,.9fr);gap:36px}
    .variation-grid{grid-template-columns:repeat(3,1fr)}
    .product-benefits{grid-template-columns:1fr}
}
@media(max-width:820px){
    .product-layout{grid-template-columns:1fr}
    .product-gallery{position:static}
    .main-image-wrap{max-width:650px;margin:auto}
    .product-info{max-width:650px;margin:auto;width:100%}
}
@media(max-width:560px){
    .shop-header-inner{padding:0 16px}
    .shop-header nav>a:not(.cart-link){display:none}
    .product-page{padding:18px 16px 65px}
    .product-info h1{font-size:39px}
    .main-image-wrap{border-radius:24px}
    .option-group{padding:17px;border-radius:20px}
    .variation-grid{grid-template-columns:repeat(3,1fr)}
    .personalization-select{align-items:flex-start}
    .position-price{font-size:10px}
    .personalization-fields{grid-template-columns:1fr}
    .position-illustration{max-width:180px}
    .buy-row{grid-template-columns:1fr}
    .quantity{max-width:160px}
    .product-description{margin-top:60px;padding:26px;border-radius:24px}
    .notice{align-items:flex-start;flex-direction:column}
}

.position-inputs textarea{width:100%;min-height:108px}
.position-inputs .upload-box.compact{
    min-height:86px;
    width:100%;
    padding:15px 18px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    text-align:left
}
.position-inputs .upload-box.compact strong{white-space:nowrap}
.position-inputs .upload-box.compact span{
    margin:0;
    text-align:right;
    line-height:1.45
}
@media(max-width:560px){
    .personalization-fields.has-illustration{grid-template-columns:1fr}
    .position-inputs .upload-box.compact{
        display:grid;
        justify-content:center;
        text-align:center
    }
    .position-inputs .upload-box.compact span{text-align:center}
}

.position-validation-error{
    margin:0 0 12px;
    padding:11px 13px;
    border:1px solid #fecdd3;
    border-radius:12px;
    background:#fff1f2;
    color:#b42318;
    font-size:12px;
    font-weight:800;
    line-height:1.45
}
.personalization-card.validation-error{
    border-color:#fda4af;
    box-shadow:0 0 0 4px rgba(225,29,72,.08)
}