*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,Arial;background:#090a0d;color:#eceef5}button,a,input{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer;background:#191b22;color:#eaeef5;border:1px solid #363943;border-radius:8px;padding:10px 17px}button:hover{border-color:var(--jv-accent,#c7d1de)}button:disabled{cursor:default}.arc-nav{max-width:1180px;margin:auto;padding:22px 30px;border-bottom:1px solid #282b34;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:9px;letter-spacing:3px;font-weight:750}.brand img{width:40px;height:40px;object-fit:contain}.brand small{font-size:11px;letter-spacing:0;color:#9d9fac}.arc-nav nav{display:flex;gap:25px;font-size:13px}main{max-width:1100px;margin:auto;padding:36px 28px}.eyebrow{font-size:11px;letter-spacing:2px;color:#acb3c3}.arc-heading h1{font-size:44px;letter-spacing:-2px;margin:7px 0}.arc-heading p{color:#a0a6b5;margin:0 0 24px}.game-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}.game-tabs button[aria-selected=true]{border-color:var(--jv-accent);background:rgba(var(--jv-rgb),.13)}.game-shell{display:grid;grid-template-columns:minmax(0,650px) 240px;gap:28px}.game-main{padding:22px;background:#111318;border:1px solid #292c34;border-radius:17px}.game-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:17px}.game-toolbar h2{margin:0;font-size:20px}.game-toolbar p{color:#9ca5b6;font-size:12px;margin:4px 0}.game-board{display:grid;gap:8px;aspect-ratio:1;width:100%;background:#090b10;border-radius:12px;padding:10px;touch-action:none;outline-offset:5px}.game-board.snake{position:relative;display:block;padding:0;overflow:hidden;background-image:linear-gradient(#ffffff04 1px,transparent 1px),linear-gradient(90deg,#ffffff04 1px,transparent 1px);background-size:6.25% 6.25%}.snake-segment,.snake-food{position:absolute;width:6.25%;height:6.25%;border:2px solid #0a0b10;border-radius:6px;background:var(--jv-accent)}.snake-food{background:#faad50;border-radius:50%;box-shadow:0 0 12px #faad5040}.snake-head{background:#f5f5ff}.game-board.merge,.game-board.pairs{grid-template-columns:repeat(4,1fr)}.merge-tile{display:grid;place-items:center;border-radius:9px;background:#1a1c23;font-size:clamp(18px,3.4vw,42px);font-weight:750;min-width:0;color:#fff}.merge-tile[data-value="0"]{color:transparent}.merge-tile:not([data-value="0"]){background:color-mix(in srgb,var(--jv-accent) var(--weight,25%),#151820);box-shadow:inset 0 0 0 1px #ffffff16}.pair-cell{font-size:clamp(19px,3vw,34px);padding:0;background:#1a1d25}.pair-cell.open,.pair-cell.matched{background:rgba(var(--jv-rgb),.2);border-color:var(--jv-accent)}.pair-cell.matched{opacity:.65}.game-board.sweeper{grid-template-columns:repeat(9,1fr);gap:4px;padding:7px}.sweep-cell{padding:0;min-width:0;font-size:clamp(12px,2vw,23px);border-radius:4px;background:#262a35;color:#c3d2ff;font-weight:700}.sweep-cell.open{background:#11151e;border-color:#20252f}.sweep-cell.mine{background:#852d3f;color:#fff}.score-card{padding:24px;background:radial-gradient(ellipse at 100% 0,rgba(var(--jv-rgb),.13),transparent 70%),#14171d;border:1px solid #30343f;border-radius:14px}.score-card>span{font-size:10px;letter-spacing:2px;color:#a2adbf}.score-card strong{display:block;font-size:47px;margin:5px 0;font-variant-numeric:tabular-nums}.score-card p{font-size:12px;color:#b3bac8;margin:0}.game-status{display:flex;gap:12px;align-items:center;padding:20px 0}.game-status p{margin:0;font-size:14px}.live-dot{height:7px;width:7px;border-radius:50%;flex-shrink:0;background:#c7d1de}.howto{border-top:1px solid #30333d;margin-top:22px;padding:15px 0}.howto h3{font-size:14px}.howto p,.game-side>small{color:#a3aaba;font-size:13px}.game-side>button{margin-bottom:10px;width:100%}.touch-controls{display:flex;justify-content:center;gap:8px;margin-top:14px}.touch-controls button{font-size:22px;min-width:53px}footer{display:flex;justify-content:space-between;color:#8c94a3;font-size:12px;border-top:1px solid #252b34;padding:24px 0;margin-top:32px}[hidden]{display:none!important}
@media(max-width:740px){.arc-nav{padding:15px}.arc-nav nav{gap:14px;font-size:12px}.arc-nav .brand{font-size:12px;letter-spacing:1px}main{padding:24px 14px}.arc-heading h1{font-size:33px}.game-shell{grid-template-columns:1fr;gap:18px}.game-main{padding:14px}.game-side{display:grid;grid-template-columns:1fr 1fr;gap:14px}.score-card{padding:14px}.score-card strong{font-size:35px}.game-status{align-self:center}.howto,.game-side>small{grid-column:1/-1}.howto{margin:0}.game-tabs button{padding:8px 12px;font-size:13px}}