:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#091713;color:#f3eee0}*{box-sizing:border-box}body{margin:0}main{max-width:960px;margin:auto;padding:28px 18px 60px}a{color:#a9ded2}h1{font-size:clamp(2rem,5vw,3.5rem);margin:.5em 0}h2{font-size:1.3rem}p{line-height:1.6}nav{display:flex;gap:20px;flex-wrap:wrap}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.card,section{background:#142a23;border:1px solid #315045;border-radius:18px;padding:20px;margin:18px 0}.cards .card{margin:0}button,input,select{font:inherit;max-width:100%}button{border:0;border-radius:10px;padding:13px 18px;background:#efb94f;color:#14251e;font-weight:650;cursor:pointer;margin:6px 6px 6px 0;min-height:44px}button:disabled{opacity:.45;cursor:default}input,select{display:block;width:100%;background:#091713;border:1px solid #6d887f;border-radius:8px;color:inherit;padding:12px;margin:6px 0 16px}label{display:block}img,video{max-width:100%;max-height:50vh;border-radius:12px}#status{min-height:2em;white-space:pre-wrap}pre{white-space:pre-wrap;overflow-wrap:anywhere}small,.muted{color:#b5c9c0}#map{height:350px;border-radius:16px}output{display:block;overflow-wrap:anywhere}.qr{background:#fff;padding:12px;max-width:320px}.qr svg{width:100%;height:auto;display:block}[hidden]{display:none!important}.actions{display:flex;flex-wrap:wrap;gap:8px}

dialog{max-width:min(90vw,460px);border:1px solid #6d887f;border-radius:16px;padding:24px;background:#142a23;color:#f3eee0}dialog::backdrop{background:#0009}

.game-place-popup strong{display:block;font-size:1rem;line-height:1.4;margin-bottom:10px}.leaflet-popup-content a.game-place-share{display:inline-block;padding:10px 14px;min-height:44px;background:#efb94f;color:#14251e;border-radius:8px;font-weight:700;text-decoration:none}.game-place-share-status{margin-top:8px;line-height:1.4}.game-place-share-status:empty{display:none}.game-map-link{display:block;margin-top:12px;padding:10px 0;min-height:44px}#map{scroll-margin-top:12px}

#checkpoint-dialog{width:min(92vw,420px);max-height:92vh;overflow:auto;text-align:center;padding:20px}#checkpoint-dialog h2{margin-top:0}#checkpoint-dialog .qr{width:min(100%,320px);margin:16px auto;padding:12px;border-radius:8px}#checkpoint-expiry{font-variant-numeric:tabular-nums;color:#b5c9c0}#checkpoint-dialog p{font-size:.95rem}

.card.is-stamped{position:relative;overflow:hidden;border:2px solid #efb94f;background:radial-gradient(circle at top right,rgba(255,216,117,.26),transparent 58%),linear-gradient(155deg,#1d4736 0%,#122d22 100%);box-shadow:0 0 28px rgba(239,185,79,.24),inset 0 1px 0 rgba(255,235,179,.38)}.card.is-stamped::after{content:"✓";position:absolute;right:14px;bottom:10px;font-size:4.2rem;font-weight:900;line-height:1;color:rgba(239,185,79,.12);pointer-events:none}.card.is-stamped h2{color:#fff6dc;margin-top:8px}.bingo-badge{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:6px}.bingo-badge-pill{display:inline-flex;align-items:center;gap:4px;padding:5px 11px;border-radius:999px;background:linear-gradient(135deg,#ffe083,#efb94f);color:#13261e;font-size:.76rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;box-shadow:0 2px 12px rgba(239,185,79,.35)}.bingo-badge-meta{font-size:.82rem;font-weight:700;color:#ffe6a3}.bingo-stamp-banner{margin-top:10px;padding:10px 12px;border-radius:10px;background:rgba(239,185,79,.16);border:1px solid rgba(239,185,79,.55);color:#ffe8a8;font-weight:750;font-size:.92rem}

/* Stamped-card bling: one looping effect per card, chosen by data-bling (1–6). */
@property --bling-angle{syntax:"<angle>";inherits:false;initial-value:0deg}
.card.is-stamped>*{position:relative;z-index:1}.card.is-stamped::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:0}
.card[data-bling="1"]::before{inset:-40% -60%;border-radius:0;background:linear-gradient(105deg,transparent 38%,rgba(255,120,220,.16) 44%,rgba(255,236,170,.34) 50%,rgba(120,230,255,.18) 56%,transparent 62%);mix-blend-mode:screen;animation:bling-holo 4.2s cubic-bezier(.45,0,.2,1) infinite}
@keyframes bling-holo{0%{transform:translateX(-55%)}60%,100%{transform:translateX(55%)}}
.card[data-bling="2"]::before{padding:2px;background:conic-gradient(from var(--bling-angle),transparent 0 62%,#fff3c4 72%,#efb94f 78%,#7ff0d0 84%,transparent 92%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);filter:drop-shadow(0 0 6px rgba(255,220,130,.9));animation:bling-orbit 3.6s linear infinite}
@keyframes bling-orbit{to{--bling-angle:360deg}}
.card[data-bling="3"]::before{background:radial-gradient(circle at 18% 22%,#fff7d6 0 1.5px,transparent 3px),radial-gradient(circle at 82% 16%,#fff 0 2px,transparent 4px),radial-gradient(circle at 70% 62%,#ffe083 0 1.5px,transparent 3.5px),radial-gradient(circle at 30% 78%,#fff 0 1.5px,transparent 3px),radial-gradient(circle at 90% 88%,#ffe9a8 0 2px,transparent 4px),radial-gradient(circle at 52% 40%,#fff 0 1px,transparent 2.5px);filter:drop-shadow(0 0 4px #ffe083);animation:bling-twinkle 2.4s ease-in-out infinite alternate}
.card[data-bling="3"] .bingo-badge-pill{animation:bling-twinkle-pill 2.4s ease-in-out infinite alternate}
@keyframes bling-twinkle{0%{opacity:.25;transform:scale(.98)}50%{opacity:1}100%{opacity:.45;transform:scale(1.02) rotate(.4deg)}}
@keyframes bling-twinkle-pill{to{box-shadow:0 0 22px rgba(255,224,131,.85),0 0 2px #fff}}
.card[data-bling="4"]{animation:bling-breathe 3s ease-in-out infinite}.card[data-bling="4"]::after{animation:bling-beat 3s ease-in-out infinite;transform-origin:70% 70%}
@keyframes bling-breathe{50%{box-shadow:0 0 46px rgba(239,185,79,.55),0 0 0 1px rgba(255,235,179,.5),inset 0 1px 0 rgba(255,235,179,.5)}}
@keyframes bling-beat{0%,100%{transform:scale(1);color:rgba(239,185,79,.12)}12%{transform:scale(1.18);color:rgba(255,224,131,.42)}24%{transform:scale(1.02)}36%{transform:scale(1.12);color:rgba(255,224,131,.3)}}
.card[data-bling="5"] .bingo-badge-pill{background:linear-gradient(110deg,#ffe083,#ffb3e6,#9ff3ff,#c9b6ff,#ffe083) 0 0/300% 100%;animation:bling-prism 5s linear infinite}
.card[data-bling="5"] .bingo-stamp-banner{background:linear-gradient(110deg,#ffe8a8 30%,#fff 45%,#ffc6f0 50%,#aef5ff 55%,#ffe8a8 70%) 0 0/250% 100%,rgba(239,185,79,.16);-webkit-background-clip:text,padding-box;background-clip:text,padding-box;color:transparent;animation:bling-prism 5s linear infinite}
@keyframes bling-prism{to{background-position:300% 0,0 0}}
.card[data-bling="6"]::before{background-image:radial-gradient(circle,rgba(255,224,131,.9) 0 1.5px,transparent 2.5px),radial-gradient(circle,rgba(255,246,214,.7) 0 1px,transparent 2px),radial-gradient(circle,rgba(239,185,79,.8) 0 2px,transparent 3px);background-size:61px 83px,47px 59px,97px 131px;background-position:0 0,13px 21px,31px 7px;-webkit-mask:linear-gradient(to top,#000 10%,transparent 85%);mask:linear-gradient(to top,#000 10%,transparent 85%);animation:bling-rise 7s linear infinite}
@keyframes bling-rise{to{background-position:0 -332px,13px -333px,31px -517px}}
@media (prefers-reduced-motion:reduce){.card.is-stamped,.card.is-stamped::before,.card.is-stamped::after,.card.is-stamped *{animation:none!important}}