:root{color-scheme:dark;--bg:#111313;--panel:#191c1c;--line:#333939;--text:#f2f4ee;--muted:#9aaba6;--accent:#ccf18c;font-family:Arial,Helvetica,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
header{max-width:1900px;margin:auto;padding:16px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid var(--line)}.brand{font-weight:700;font-size:22px;letter-spacing:-.8px;display:flex;align-items:center;gap:12px}.brand span{font-size:9px;letter-spacing:2px;color:var(--accent);font-weight:400}.catalog-link{font-size:12px;color:var(--muted)}main{max-width:1900px;min-height:70vh;margin:auto;padding:14px 20px 28px}h1,h2,p{margin-top:0}h1{font-size:28px;letter-spacing:-.7px;font-weight:500;margin-bottom:6px}h2{font-size:14px;font-weight:500;line-height:1.35;margin:0}.muted{color:var(--muted);font-size:12px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px}.toolbar p{margin-bottom:0}.catalog-toolbar{margin-bottom:12px}.controls{display:flex;align-items:center;gap:10px;width:100%}.search{flex:1}.search input,input,select{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:5px;padding:9px 10px}.search input{width:100%;font-size:13px;min-height:38px}.currency{display:flex;align-items:center;gap:6px;font-size:0;color:var(--muted)}.currency select{font-size:12px;min-height:38px;padding:8px 7px}
.grid{display:flex;align-items:flex-start;gap:14px}.art-column{flex:1;min-width:0}.card{display:inline-block;width:100%;break-inside:avoid;vertical-align:top;margin:0 0 18px}.art-thumb{display:block;background:#080909;border-radius:4px;overflow:hidden}.art-thumb img{display:block;width:100%;height:auto;padding:0}.card-title{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-top:8px}.card-price{font-size:12px;color:var(--muted);white-space:nowrap}.size-links{display:flex;gap:5px;align-items:center;margin-top:4px}.size-links>a{min-width:36px;min-height:32px;display:inline-flex;align-items:center;justify-content:center;font-size:11px;border:1px solid var(--line);border-radius:4px}.size-links .unavailable{color:var(--muted)}.no-image{aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;padding:20px;text-align:center;background:repeating-linear-gradient(135deg,#161a1a,#161a1a 1px,#121515 1px,#121515 12px)}.no-image span{font-size:18px}.no-image small{color:var(--muted);font-size:11px}
#shop.product-page{padding-top:6px}.back{display:inline-block;color:var(--muted);font-size:11px;line-height:28px;margin-bottom:4px}.product{display:flex;flex-direction:column;gap:0}.product-image{display:flex;align-items:center;justify-content:center;width:100%;margin:0}.product-image img{display:block;width:auto;height:auto;max-width:100%;max-height:calc(100svh - 98px);object-fit:contain;padding:0}.product-image .no-image{width:min(100%,650px);max-height:75svh;min-height:40svh}.purchase{width:100%;max-width:780px;padding:16px 0 0;margin:0 auto}.product-heading{display:flex;justify-content:space-between;gap:12px;align-items:center}.product-heading h1{font-size:23px;line-height:1.2;max-width:85%;margin:0}.chosen{display:flex;justify-content:space-between;gap:10px;margin:10px 0;font-size:12px}.in-stock{color:var(--accent)}.sizes{display:flex;gap:6px}.sizes button,.button,button{background:var(--panel);border:1px solid var(--line);color:var(--text);padding:9px 13px;border-radius:5px}.sizes button{flex:1;min-height:46px;padding:8px 4px;display:flex;align-items:center;justify-content:center;gap:8px}.sizes button strong{font-size:13px}.sizes button span{font-size:10px;color:var(--muted);white-space:nowrap}.sizes button.active{border-color:var(--accent);background:#273020}.sizes button.active strong{color:var(--accent)}.price{font-size:26px;letter-spacing:-.6px;margin:12px 0}.pay{width:100%;background:var(--accent);border-color:var(--accent);color:#132006;padding:12px;font-size:14px;font-weight:600;min-height:44px}.wallets{display:flex;justify-content:center;gap:5px;font-size:11px;margin-top:10px;color:var(--muted)}.wallets span{margin-left:5px}.payment-note{font-size:11px;color:var(--muted);margin:8px 0}.more{display:block;margin-top:12px;padding:5px 0;font-size:12px;color:var(--muted)}.contact{color:var(--muted);font-size:11px;overflow-wrap:anywhere;margin-top:12px}.checkout-details summary{list-style:none;cursor:pointer;background:var(--accent);color:#132006;font-size:14px;font-weight:600;border-radius:5px;text-align:center;padding:13px;min-height:44px}.checkout-details summary::-webkit-details-marker{display:none}.checkout-details[open] summary{margin-bottom:18px}.checkout-details form{padding:0 2px}fieldset{border:0;padding:0;margin:0 0 15px}legend{font-size:14px;margin-bottom:12px}form label{display:flex;flex-direction:column;gap:6px;margin-bottom:10px;font-size:12px;color:var(--muted)}form input,form select{width:100%;font-size:16px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.total{display:flex;justify-content:space-between;gap:12px;font-size:12px;margin-bottom:14px}.total span{color:var(--muted)}#checkout-error{color:#ffa28f;font-size:12px;margin-top:12px}
.qr-controls{display:flex;gap:25px;font-size:14px;margin:25px 0}.qr-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.qr-card{border:1px solid var(--line);border-radius:8px;padding:17px;background:var(--panel)}.qr-card img{width:100%;height:auto;display:block;background:white;border-radius:5px;margin-bottom:16px}.qr-card p{font-size:12px;color:var(--muted);margin:8px 0 18px}.qr-card>div{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--accent)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:7px}table{width:100%;border-collapse:collapse;font-size:14px;white-space:nowrap}th,td{padding:16px;text-align:left;border-bottom:1px solid var(--line)}th{color:var(--muted);font-size:12px;font-weight:400;background:var(--panel)}tfoot td{font-weight:700}.production-note{color:var(--muted);font-size:14px}.empty{padding:80px 10px;text-align:center}.empty a{color:var(--accent)}.empty p{color:var(--muted)}.status-symbol{display:block;font-size:50px;color:var(--accent);margin-bottom:25px}.loading{text-align:center;padding:100px 0;color:var(--muted)}footer{max-width:1900px;margin:auto;padding:16px 20px;display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}footer nav{display:flex;gap:18px}.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}noscript{display:block;padding:30px;text-align:center}
@media(max-width:1000px){.qr-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.sizes button{flex-direction:column;gap:4px}}
@media(max-width:600px){header{padding:12px;min-height:50px}.brand{font-size:20px;gap:9px}.catalog-link{font-size:11px}main{padding:8px 6px 18px}.catalog-toolbar{margin-bottom:8px;padding:0 4px}.controls{gap:6px}.search input{font-size:16px;min-height:36px;padding:7px 9px}.currency select{min-height:36px;font-size:13px;padding:7px}.grid{gap:0}.card{margin-bottom:16px}.art-thumb{border-radius:2px}.card-title{padding:0 5px;margin-top:7px}h2{font-size:14px}.card-price{font-size:12px}.size-links{padding:0 5px;gap:5px;margin-top:5px}.size-links>a{min-height:36px;min-width:39px}.no-image span{font-size:18px}#shop.product-page{padding:0 0 20px}.back{margin:0 10px;line-height:27px;font-size:11px}.product-image img{max-height:calc(100svh - 82px)}.purchase{padding:14px 12px 0}.product-heading h1{font-size:21px;max-width:78%}.chosen{font-size:11px;margin:9px 0}.sizes button{padding:7px 3px;min-height:44px;gap:4px}.sizes button span{font-size:10px}.price{font-size:25px;margin:10px 0}.more{margin-top:10px}.qr-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.qr-card{padding:10px}.qr-card>div{flex-direction:column}.qr-card h2{font-size:12px}.qr-card p{font-size:10px}.toolbar:not(.catalog-toolbar){align-items:start;flex-direction:column;margin:10px}.toolbar h1{font-size:25px}.qr-controls{padding:0 10px;gap:15px}.qr-grid{padding:0 6px}.total{flex-direction:column;gap:5px}footer{padding:14px 12px;font-size:10px}.form-row{grid-template-columns:1fr;gap:0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Original business-card artwork, confined to the compact brand strips. */
.brand-strip{position:relative;isolation:isolate;overflow:hidden;background:#000;border-color:var(--line);align-items:center}
/* Uniform half-scale of the original top edge: no logo, no distortion. */
.brand-strip::before{content:"";position:absolute;z-index:-1;left:0;top:0;bottom:0;width:min(100%,841.5px);background-image:url("/assets/ihti-business-card-3dcb40ee4dec.png");background-size:841.5px auto;background-position:left top;background-repeat:no-repeat;opacity:1;mask-image:linear-gradient(90deg,#000 0%,#000 18%,transparent 85%);pointer-events:none}
header.brand-strip{padding:5px 20px;min-height:84px;justify-content:center}
.brand{position:relative;display:block;flex-shrink:0;line-height:0}
/* A soft halo dims the pattern; screen blending removes the logo's black box. */
.brand::before{content:"";position:absolute;inset:-12px -28px;z-index:0;background:radial-gradient(ellipse at center,#000e 0%,#000b 38%,#0005 60%,transparent 82%);filter:blur(6px);pointer-events:none}
.brand-mark{position:relative;z-index:1;display:block;width:206px;height:74px;overflow:hidden;mix-blend-mode:screen}
.catalog-link{position:absolute;right:20px;top:50%;transform:translateY(-50%);color:#d1ece9;background:#000b;border:1px solid var(--line);border-radius:5px;padding:9px 11px;white-space:nowrap}
footer.brand-strip{padding:10px 20px;min-height:54px;justify-content:flex-end}
footer nav{position:relative;align-items:center}footer nav a{background:#000b;padding:7px 9px;border-radius:4px;color:#bdd0cd}
.product-image img{max-height:calc(100svh - 124px)}
@media(max-width:600px){header.brand-strip{padding:5px 12px;min-height:70px}.brand-mark{width:168px;height:60px}.catalog-link{right:12px;font-size:10px;padding:7px}footer.brand-strip{padding:8px 12px;min-height:46px}footer nav{gap:6px}.product-image img{max-height:calc(100svh - 101px)}}
@media(max-width:360px){.brand-mark{width:148px}}

/* Shared turquoise frames, including size selections and form controls. */
:root{--line:#278e92;--frame-active:#4be5df}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline-color:var(--frame-active)}
.sizes button.active{border-color:var(--frame-active);background:#15322f}
.sizes button.active strong{color:var(--frame-active)}
.pay,.checkout-details summary{background:var(--panel);border:1px solid var(--line);color:var(--text)}

/* Readable labels and controls without reducing the artwork widths. */
body{font-size:16px;line-height:1.45}
h2,.qr-card h2{font-size:17px;line-height:1.35}
.card-price{font-size:16px}
.muted,.chosen,.back,.more,.wallets,.payment-note,.contact,.no-image small,.qr-card p,.qr-card>div,footer,th,#checkout-error{font-size:14px}
.catalog-link{font-size:14px}
.search input{font-size:16px;min-height:44px}
.currency select{font-size:14px;min-height:44px}
.size-links>a{font-size:18px;min-width:48px;min-height:46px}
.product-heading h1{font-size:27px}
.back{line-height:32px}
.sizes button{min-width:0;min-height:80px;padding:10px 8px;flex-direction:column;gap:5px}
.sizes button strong{font-size:20px;line-height:1.2}
.sizes button span{font-size:20px;font-weight:600;color:var(--text);line-height:1.3;white-space:normal;text-align:center;font-variant-numeric:tabular-nums}
#dimensions{font-size:20px;font-weight:600;line-height:1.3;font-variant-numeric:tabular-nums}
.price{font-size:30px}
.pay,.checkout-details summary{font-size:18px;min-height:50px}
form label,.total{font-size:15px}
legend,.qr-controls{font-size:16px}
table{font-size:15px}
.product-image img{max-height:calc(100svh - 132px)}
@media(max-width:600px){
 .catalog-link{right:8px;padding:7px}
 .card-title{align-items:flex-start;flex-wrap:wrap;gap:3px 10px}
 .product-heading h1{font-size:24px;max-width:calc(100% - 82px)}
 .chosen{flex-wrap:wrap;gap:3px 10px}
 .sizes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
 .sizes button{min-height:82px}
 .price{font-size:29px}
 .wallets{flex-wrap:wrap}
 .product-image img{max-height:calc(100svh - 110px)}
}
@media(max-width:360px){.brand-mark{width:132px}}

/* Anonymous event receipts and the private seller handover screen. */
.receipt{max-width:620px;margin:40px auto;padding:24px 16px;text-align:center;border:1px solid var(--line);border-radius:8px;background:var(--panel)}
.receipt h2{font-size:24px}.receipt p{font-size:16px}.receipt-amount{font-size:24px!important}.receipt-code,.seller-code{font-family:ui-monospace,monospace;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.receipt-code{display:block;font-size:clamp(22px,6vw,34px);letter-spacing:2px;color:var(--frame-active);margin:12px 0 20px}.receipt a{color:var(--frame-active)}
.seller-login{max-width:380px;margin:40px auto;padding:24px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}
.seller-login input{letter-spacing:3px;font-size:24px}.seller-search{display:flex;gap:10px;align-items:flex-end;margin:20px 0}.seller-search label{flex:1;margin:0;max-width:420px}.seller-search button{min-height:44px}
.seller-orders{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:16px}.seller-order{padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}
.seller-order-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px;flex-wrap:wrap}.seller-code{font-size:22px;color:var(--frame-active)}.seller-order h2{font-size:22px}.seller-order p{font-size:15px;color:var(--muted)}
#seller-error,#seller-message{color:#ffa28f;min-height:1.4em;font-size:16px}
@media(max-width:600px){.seller-search{flex-wrap:wrap;margin:20px 10px}.seller-search label{flex-basis:100%;max-width:none}.seller-orders{padding:0 6px}.seller-toolbar>div{display:flex;gap:8px}.receipt{margin:20px 6px}}