*{box-sizing:border-box}body{margin:0;background:#1b1410;color:#f9ead4;font-family:system-ui,Arial,sans-serif}header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 22px;background:#211914}h1{font-size:23px;margin:0 0 3px}p{margin:0;color:#ccb89e;font-size:14px}.controls{display:flex;align-items:center;gap:20px;font-weight:650;font-size:14px}button{cursor:pointer;font:inherit}#new{border:1px solid #e1b779;border-radius:7px;padding:10px 16px;background:#e1b779;color:#2b1b0c;font-weight:800}.collection{display:grid;grid-template-columns:repeat(32,minmax(0,1fr));gap:4px;padding:9px 14px;background:#34271e;box-shadow:0 3px 12px #0007;position:relative;z-index:1}.slot{aspect-ratio:1;border:1px solid #806445;border-radius:3px;display:grid;place-items:center;color:#b89c77;font-size:clamp(8px,1vw,15px);overflow:hidden;background:#21170f}.slot img{width:100%;height:100%;object-fit:fill}.slot.found{border-color:#f3cc84;animation:pop .35s ease}.table{background:linear-gradient(#0002,#0003),url('assets/table.jpg') center/740px;min-height:calc(100dvh - 172px);padding:15px;display:flex;align-items:center;justify-content:center}.board{display:grid;grid-template-columns:repeat(8,1fr);gap:clamp(4px,.8vh,9px);width:min(95vw,calc(100dvh - 210px),800px)}.card{padding:0;border:0;background:transparent;aspect-ratio:1;perspective:700px;border-radius:5px;position:relative}.inner{display:block;position:absolute;inset:0;width:100%;height:100%;transform-style:preserve-3d;transition:transform .3s}.face{display:block;position:absolute;inset:0;width:100%;height:100%;backface-visibility:hidden;border:2px solid #eedbc5;border-radius:4px;box-shadow:1px 3px 5px #0008;object-fit:fill}.front{transform:rotateY(180deg)}.card.open .inner{transform:rotateY(180deg)}.card.matched{visibility:hidden;pointer-events:none}.card:focus-visible{outline:3px solid #ffd45c;outline-offset:3px}.card:hover:not(.open):not(.matched){filter:brightness(1.13)}.flying{position:fixed;z-index:20;pointer-events:none;border:2px solid #efd19b;border-radius:4px;transition:all .5s ease-in-out;box-shadow:0 8px 25px #0007}footer{padding:9px 15px;text-align:center;font-size:12px;color:#b8a28a}@keyframes pop{50%{transform:scale(1.15)}}@media(max-width:700px){header{padding:10px 12px;flex-wrap:wrap}h1{font-size:20px}.controls{gap:12px;width:100%;justify-content:space-between}.collection{gap:2px;padding:7px 4px}.board{width:min(95vw,calc(100dvh - 245px));gap:4px}.table{min-height:calc(100dvh - 207px);padding:12px 5px}footer{font-size:10px}}

/* Scrollable table keeps the collection visible at every zoom level. */
body{height:100dvh;display:flex;flex-direction:column;overflow:hidden}
header,.collection,footer{flex-shrink:0}
.table{display:block;flex:1;min-height:0;padding:0;overflow:auto;overscroll-behavior:contain;scrollbar-color:#b99566 #34271e}
.table-space{min-width:100%;min-height:100%;padding:15px;display:grid;place-items:center;width:max-content;height:max-content}
.board{flex-shrink:0;width:var(--board-size,600px);gap:var(--card-gap,7px)}
@media(max-width:700px){.table{min-height:0;padding:0}.table-space{padding:12px}.board{width:var(--board-size,300px);gap:var(--card-gap,4px)}.controls{flex-wrap:wrap}}

.slot{padding:0;font-family:inherit}.slot:disabled{cursor:default;opacity:1}.slot.found{cursor:pointer}.slot.found:hover{outline:2px solid #ffd45c}.slot:focus-visible{outline:2px solid #ffd45c}
.preview-layer{position:fixed;z-index:30;display:grid;place-items:center;background:#0005;outline:none}
.preview-layer[hidden]{display:none}
.preview-content{display:flex;flex-direction:column;align-items:center;gap:8px}
.preview-content img{display:block;object-fit:fill;border:3px solid #eedbc5;border-radius:6px;box-shadow:0 12px 40px #000b}
.preview-content span{font-size:13px;color:#fff;background:#211914e8;padding:5px 12px;border-radius:5px}

.preview-content{position:relative}
#preview-close{position:absolute;top:0;left:calc(100% + 8px);width:44px;height:44px;display:grid;place-items:center;padding:0;border:1px solid #f5d9b0;border-radius:8px;background:#e1b779;color:#2b1b0c;font-size:32px;line-height:1;box-shadow:0 3px 12px #0008;touch-action:manipulation}
#preview-close:hover{background:#f5d3a0}
#preview-close:focus-visible{outline:3px solid #fff;outline-offset:3px}

.preview-content{min-width:0;overflow:visible}
.preview-content span{max-width:100%;text-align:center;overflow-wrap:anywhere}
#preview-close{z-index:2;pointer-events:auto;min-width:48px;min-height:48px;width:48px;height:48px;-webkit-tap-highlight-color:transparent;user-select:none}

/* Close below the cards; the button cannot expose a card under the finger. */
#preview-close{position:fixed;top:auto;left:auto;right:12px;bottom:8px;z-index:40}
footer{min-height:64px;padding:10px 72px 10px 15px;display:flex;align-items:center;justify-content:center}

/* Miniatures keep half a board card's width and height and wrap in order. */
.collection{display:flex;flex-wrap:wrap;justify-content:center;align-content:flex-start;gap:4px;max-height:35dvh;overflow-y:auto;scrollbar-gutter:stable;overscroll-behavior:contain}
.slot{flex:0 0 var(--mini-size,40px);width:var(--mini-size,40px);height:var(--mini-size,40px);min-width:0;font-size:clamp(8px,calc(var(--mini-size,40px) / 3),20px)}