:root{color-scheme:dark;--bg:#101113;--surface:#181a1d;--text:#ededeb;--muted:#a0a3aa;--line:#2c2f34;--accent:#c1ee7d}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px;line-height:1.5}
main{flex:1}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
button:disabled{cursor:default;opacity:.5}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
h1,h2,p{margin:0}
svg{display:block}
[hidden]{display:none!important}
.wrap{width:min(1040px,calc(100% - 64px));margin-inline:auto}
.site-header{height:92px;display:flex;align-items:center;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:20px;font-weight:650;letter-spacing:-.6px}
.brand-mark{width:25px;height:25px;fill:var(--accent)}
.brand-mark path:last-child{fill:var(--text)}
.catalog{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;padding-block:40px 64px}
.game-card{display:block;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:12px;transition:border-color .15s}
.game-card:hover{border-color:#60654f}
.card-art{background:#1c201a}
.card-art svg{width:100%;height:auto}
.tile-shape{fill:#dce4d4}
.tile-half{fill:var(--accent)}
.tile-cut{fill:none;stroke:#798c62;stroke-width:1.5;stroke-dasharray:4 6}
.card-label{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 20px}
.card-label h1{font-size:16px;font-weight:550;letter-spacing:-.3px}
.card-label>span{font-size:21px;color:var(--muted);line-height:1}
.game-card:hover .card-label>span{color:var(--accent)}
.site-footer{padding-block:26px;font-size:12px;color:var(--muted)}
.author-credit{display:inline-block;padding-block:8px}
.author-credit span{color:var(--text)}
.author-credit:hover span{text-decoration:underline;text-underline-offset:4px}
.skip-link{position:absolute;top:-80px;left:20px;z-index:10;padding:12px;background:var(--accent);color:var(--bg)}
.skip-link:focus{top:12px}
.notice{padding:20px;text-align:center;color:var(--accent)}
.game-wrap{max-width:760px;padding-block:28px 48px}
.back-link{display:inline-block;color:var(--muted);padding-block:4px;font-size:12px}
.back-link:hover{color:var(--text)}
.game-heading{padding-block:24px}
.game-heading h1{font-size:27px;font-weight:600;letter-spacing:-.9px;line-height:1.2}
.game-heading p{color:var(--muted);font-size:13px;margin-top:9px}
.challenge-note{color:var(--muted);font-size:12px;margin-bottom:16px;overflow-wrap:anywhere}
.challenge-note:empty{display:none}
.play-panel,.result-panel{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden}
.game-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line);font-size:12px;font-variant-numeric:tabular-nums}
#score-trail{color:var(--muted);text-align:right}
#cut-board{width:100%;max-height:360px;touch-action:none;cursor:crosshair;user-select:none}
#shape{fill:#dce4d4;stroke:#dce4d4;stroke-width:1}
#cut-area{fill:#86ae57;opacity:0;pointer-events:none}
#cut-area.revealed{opacity:1}
#cut-line{stroke:#fda47d;stroke-width:2;stroke-dasharray:7 5;pointer-events:none}
#cut-handle{fill:#fda47d;stroke:var(--surface);stroke-width:2;pointer-events:none}
.cut-controls{display:flex;gap:28px;justify-content:center;padding:16px 20px 24px}
.cut-controls label{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted)}
.cut-controls input{accent-color:var(--accent);width:140px;height:24px;margin:0}
.play-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:18px 20px}
.play-bottom p{font-size:12px;color:var(--muted)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 20px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#151b10;font-size:13px;font-weight:600;white-space:nowrap}
.button:hover{background:#d1f6a1;border-color:#d1f6a1}
.button-outline{background:transparent;border-color:var(--line);color:var(--text)}
.button-outline:hover{background:#25282d;border-color:#454951}
.text-link{display:inline-block;padding:10px 4px;border:0;background:none;color:var(--muted);font-size:13px}
.text-link:hover{color:var(--text)}
.result-panel{text-align:center;padding:40px 24px}
.result-panel h2{font-size:16px;font-weight:500;color:var(--muted)}
.result-score{margin:16px 0;font-size:52px;font-weight:600;letter-spacing:-2px;font-variant-numeric:tabular-nums}
.result-panel p{font-size:13px;color:var(--muted);margin-top:10px}
.result-panel .small-muted{font-size:12px}
.result-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px}
.share-fallback{display:block;max-width:480px;margin:24px auto 0;text-align:left;font-size:12px;color:var(--muted)}
.share-fallback input{width:100%;padding:12px;margin-top:8px;border:1px solid var(--line);border-radius:6px;background:var(--bg)}
.error-page{padding-block:64px}
.error-page h1{font-size:24px;font-weight:500;margin-bottom:20px}
@media(max-width:600px){
    .wrap{width:calc(100% - 40px)}
    .site-header{height:76px}
    .catalog{padding-block:28px 40px}
    .game-wrap{padding-top:20px}
    .game-heading{padding-block:20px}
    .game-heading h1{font-size:24px}
    .game-heading p{max-width:300px}
    .game-toolbar{padding:14px 16px;font-size:11px}
    .cut-controls{flex-direction:column;gap:12px;padding:12px 16px 20px}
    .cut-controls label{justify-content:space-between}
    .cut-controls input{width:60%}
    .play-bottom{padding:16px;flex-wrap:wrap;gap:14px}
    .play-bottom .button{margin-left:auto}
    .result-panel{padding:32px 16px}
    .result-score{font-size:42px}
    .result-actions{gap:10px}
    .site-footer{padding-block:18px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}