:root{--red:#E23B2E;--paper:#F4E9D4;--ink:#1D2440;--mustard:#F2B632}
*{box-sizing:border-box;margin:0}body{background:var(--ink);font-family:Rubik,sans-serif;color:var(--ink);background-image:repeating-linear-gradient(45deg,#ffffff08 0 2px,transparent 2px 14px)}
.wrap{max-width:420px;margin:0 auto;padding:28px 16px 60px}
header{background:var(--paper);border-radius:6px;padding:22px 20px;box-shadow:0 10px 0 #0003,0 2px 0 #fff6 inset;position:relative;transform:rotate(-1deg)}
header small{font-family:'Rubik Mono One';font-size:11px;color:var(--red);letter-spacing:1px}
h1{font-family:'Secular One';font-size:40px;line-height:1.05;margin:6px 0}
header p{font-size:15px}
.serial{position:absolute;left:14px;top:14px;font-family:'Rubik Mono One';font-size:10px;opacity:.5;direction:ltr}
h2{font-family:'Secular One';color:var(--paper);font-size:26px;margin:34px 4px 12px}
h2 span{color:var(--mustard)}
.t{display:flex;margin:0 0 14px;filter:drop-shadow(0 6px 0 #0004);cursor:pointer;position:relative;transition:transform .15s}
.t:active{transform:scale(.98)}
.main{flex:1;background:var(--red);color:var(--paper);padding:16px 18px;border-radius:8px 0 0 8px;
 -webkit-mask:radial-gradient(circle at 0 50%,transparent 9px,#000 10px) right/100% 100% no-repeat}
.stub{width:84px;background:var(--paper);border-radius:0 8px 8px 0;border-left:3px dashed var(--red);display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:'Rubik Mono One';font-size:20px;color:var(--red)}
.stub i{font-style:normal;font-size:9px;font-family:Rubik;color:var(--ink)}
.t.bonus .main{background:var(--mustard);color:var(--ink)}.t.bonus .stub{border-color:var(--ink);color:var(--ink)}
.lbl{font-family:'Rubik Mono One';font-size:11px;letter-spacing:1px}
.ttl{font-family:'Secular One';font-size:24px;line-height:1.1;margin:4px 0}
.fine{font-size:11px;opacity:.85}
.stamp{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;opacity:0;transform:scale(1.6) rotate(-14deg);transition:.2s}
.stamp b{font-family:'Secular One';font-size:38px;color:var(--ink);border:4px solid var(--ink);padding:0 16px;border-radius:8px;background:#F4E9D4cc}
.t.used .stamp{opacity:1;transform:scale(1) rotate(-14deg)}.t.used .main,.t.used .stub{filter:saturate(.3)}
.gift{background:var(--paper);border-radius:10px;padding:20px;box-shadow:0 10px 0 #0004;border:3px solid var(--mustard);outline:2px dashed var(--ink);outline-offset:-10px}
.gift .ttl{font-size:30px}.price{font-family:'Rubik Mono One';font-size:34px;color:var(--red);direction:ltr;text-align:right}
.code{font-family:'Rubik Mono One';direction:ltr;text-align:center;background:var(--ink);color:var(--mustard);padding:12px;border-radius:6px;font-size:20px;letter-spacing:2px;margin:12px 0}
ol{padding-inline-start:20px;font-size:15px;line-height:1.5}ol li{margin:6px 0}
footer{color:var(--paper);opacity:.7;font-size:12px;text-align:center;margin-top:30px}
@media(min-width:900px){.wrap{max-width:1180px;display:grid;grid-template-columns:1fr 1fr;gap:0 40px}header{grid-column:1/-1}.col{min-width:0}footer{grid-column:1/-1}.col{display:flex;flex-direction:column}.gift{flex:1;display:flex;flex-direction:column;justify-content:space-between;margin-bottom:14px}.gift .ttl{font-size:40px}.price{font-size:56px}.code{font-size:30px;padding:20px}ol{font-size:17px}}
/* --- build additions: button reset so coupons look identical to mockup divs --- */
button.t{border:0;background:none;padding:0;font:inherit;color:inherit;text-align:inherit;width:100%;-webkit-tap-highlight-color:transparent}
button.t:focus-visible{outline:3px solid var(--mustard);outline-offset:3px;border-radius:8px}
.code{position:relative}
.copy{position:absolute;left:8px;top:50%;transform:translateY(-50%);font:600 12px Rubik,sans-serif;background:var(--mustard);color:var(--ink);border:0;border-radius:4px;padding:4px 8px;cursor:pointer;letter-spacing:0}
.copy:focus-visible{outline:2px solid var(--paper)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}


.wrap{overflow-x:clip}

/* confirm dialog */
dialog#confirm{border:3px solid var(--mustard);outline:2px dashed var(--ink);outline-offset:-9px;border-radius:10px;background:var(--paper);color:var(--ink);padding:22px 22px 18px;max-width:300px;font-family:Rubik,sans-serif;box-shadow:0 10px 0 #0005;text-align:center}
dialog#confirm::backdrop{background:#1D2440cc}
#cMsg{font-family:'Secular One';font-size:22px;line-height:1.2;margin-bottom:16px}
.cBtns{display:flex;gap:10px;justify-content:center}
.cBtns button{font:600 16px Rubik,sans-serif;border:0;border-radius:6px;padding:9px 22px;cursor:pointer}
#cYes{background:var(--red);color:var(--paper)}#cNo{background:var(--ink);color:var(--paper)}
.cBtns button:focus-visible{outline:3px solid var(--mustard);outline-offset:2px}
button.t[aria-disabled=true]{cursor:default}
dialog#confirm{margin:auto}
@media(min-width:900px){.gift{justify-content:space-evenly}.gift .code{margin:0}.gift .ttl{margin:8px 0 0}}

/* sticker stamp on header */
header{margin-top:50px}
.sticker{position:absolute;left:-4px;top:-72px;width:80px;height:80px;border-radius:50%;background:var(--mustard);color:var(--ink);border:4px double var(--ink);box-shadow:0 3px 0 #0003;transform:rotate(-12deg);display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:'Secular One';line-height:1;z-index:2}
.sticker .sb{font-size:21px}.sticker .ss{font-size:10px;margin-top:3px}
@media(min-width:900px){header{margin-top:64px}.sticker{width:96px;height:96px;left:-10px;top:-88px}.sticker .sb{font-size:26px}.sticker .ss{font-size:12px}}