:root{--bg:#f6f7fb;--surface:#fff;--ink:#101828;--muted:#667085;--line:#dfe3ea;--lime:#a7f432;--blue:#215cff;--navy:#17223d;--shadow:0 16px 45px rgba(16,24,40,.09);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.6}
body.dark{--bg:#0b1020;--surface:#111a2e;--ink:#f8fafc;--muted:#a7b0c3;--line:#29334c;--navy:#a7f432;color-scheme:dark}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:1rem;top:1rem;background:var(--surface);padding:.75rem;z-index:99}
header{height:76px;display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:850;letter-spacing:-.02em}
.brandmark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--ink);color:var(--lime);font-size:14px}
nav{display:flex;align-items:center;gap:28px;font-weight:650;color:var(--muted)}
nav a:hover{color:var(--ink)}
.theme,.nav-toggle{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:8px 11px;cursor:pointer}
.nav-toggle{display:none}
main{max-width:1200px;margin:auto;padding:0 24px}
.hero{min-height:580px;display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:center;padding:72px 0 92px}
.eyebrow{display:block;color:var(--blue);font-size:.78rem;font-weight:850;text-transform:uppercase;letter-spacing:.12em;margin-bottom:12px}
.hero h1,.simple-hero h1,.game-page h1{font-size:clamp(2.6rem,7vw,5.3rem);line-height:.98;letter-spacing:-.065em;margin:0 0 24px;max-width:850px}
.hero p,.lede,.simple-hero>p{font-size:1.15rem;color:var(--muted);max-width:690px}
.hero-actions{display:flex;gap:12px;margin:32px 0 26px;flex-wrap:wrap}
.primary,.secondary{padding:14px 20px;border-radius:12px;font-weight:800}
.primary{background:var(--ink);color:var(--bg)}
.secondary{background:var(--surface);border:1px solid var(--line)}
.trust{display:flex;gap:24px;color:var(--muted);font-size:.9rem}
.trust span:before{content:'✓';color:#1b8f55;margin-right:7px;font-weight:900}
.score-preview{background:var(--ink);color:white;border-radius:28px;padding:36px;box-shadow:var(--shadow);transform:rotate(1.5deg)}
.score-preview>span{color:var(--lime);letter-spacing:.12em;font-weight:800}
.score-preview>strong{display:block;font-size:5rem;line-height:1.2}
.score-preview strong small{font-size:1.2rem;color:#b8c0d2}
.score-preview .meter{height:9px;background:#344054;border-radius:99px;overflow:hidden}
.score-preview .meter i{display:block;width:78%;height:100%;background:var(--lime)}
.score-preview a{display:inline-block;margin-top:14px;text-decoration:underline}
.browse{padding:60px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px}
.section-head h2,.content-panel h2,.article h2{font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.1;letter-spacing:-.04em;margin:0}
.search{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);padding:10px 14px;border-radius:12px}
.search span{font-weight:750}
.search input{border:0;outline:0;background:transparent;color:var(--ink);min-width:230px}
.category{margin:42px 0 64px}
.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.game-card{display:grid;grid-template-columns:52px 1fr auto;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);padding:18px;border-radius:18px;transition:.2s}
.game-card:hover{transform:translateY(-3px);border-color:var(--ink);box-shadow:var(--shadow)}
.game-icon{display:grid;place-items:center;width:52px;height:52px;background:var(--bg);border-radius:14px;font-weight:900}
.game-card strong,.game-card small{display:block}
.game-card small{color:var(--muted);font-size:.78rem;line-height:1.35;margin-top:3px}
.play{font-weight:800;color:var(--blue)}
.content-panel{background:var(--navy);color:white;border-radius:26px;padding:46px;margin:40px 0 100px}
.content-panel p{color:#c8d0e0;max-width:820px}
.link-row{display:flex;gap:12px;flex-wrap:wrap}
.link-row a{background:rgba(255,255,255,.12);padding:10px 14px;border-radius:10px}
.game-page{padding:42px 0 30px}
.breadcrumbs{color:var(--muted);font-size:.9rem;margin-bottom:32px}
.breadcrumbs span{margin:0 8px}
.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px}
.game-page h1{font-size:clamp(2.5rem,6vw,4.6rem)}
.game-root{min-height:430px;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.loading{color:var(--muted)}
.how{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px;height:max-content}
.how h2{margin-top:0}
.how ol{padding-left:20px;color:var(--muted)}
.mini-stat{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:13px 0}
.device-note{color:var(--muted);font-size:.84rem}
.article{max-width:800px;padding:45px 0}
.article p,.article li{color:var(--muted)}
.faq{margin-top:55px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:10px 0}
.faq summary{font-weight:800;cursor:pointer}
.related{padding:45px 0;scroll-margin-top:24px;border-bottom:1px solid var(--line)}
.recommendation-note{margin:-2px 0 18px;color:var(--muted)}
.simple-hero{padding:90px 0;min-height:65vh}
.simple-hero h2{font-size:1.4rem}
.legal{max-width:780px}
.sitemap-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:35px}
.sitemap-list a{background:var(--surface);border:1px solid var(--line);padding:12px;border-radius:10px}
.daily-card{margin-top:30px;max-width:700px}
.daily-card .game-card{grid-template-columns:70px 1fr auto}
.daily-card .game-icon{width:70px;height:70px}
.game-title{font-size:1.8rem;margin:.4rem}
.big-score{font-size:clamp(3rem,12vw,6rem);font-weight:900;line-height:1}
.big-score small{font-size:1rem;color:var(--muted)}
.game-help{color:var(--muted);max-width:580px}
.controls{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:20px 0}
.controls button,.game-btn{border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:11px 16px;border-radius:11px;font-weight:800;cursor:pointer}
.controls button.active,.game-btn.primary-game{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.click-zone{width:min(100%,620px);min-height:210px;border:2px dashed var(--line);background:var(--bg);border-radius:20px;display:grid;place-items:center;font-size:1.3rem;font-weight:850;cursor:pointer;user-select:none}
.click-zone.live{background:var(--lime);color:#101828;border-style:solid}
.reaction-zone{width:100%;min-height:280px;border-radius:18px;display:grid;place-items:center;background:#24314d;color:white;cursor:pointer;font-size:1.45rem;font-weight:900}
.reaction-zone.wait{background:#e5484d}
.reaction-zone.go{background:#34a853}
.type-copy{font-size:1.2rem;max-width:700px}
.type-copy .done{color:#1b8f55}
.type-copy .wrong{background:#ffd7d7;color:#9c1c1c}
.type-input{width:min(100%,700px);min-height:110px;padding:15px;border:2px solid var(--line);border-radius:13px;background:var(--bg);color:var(--ink);font-size:1rem}
.arena{position:relative;width:100%;height:300px;background:var(--bg);border:1px solid var(--line);border-radius:18px}
.target{position:absolute;border:0;border-radius:50%;background:var(--blue);box-shadow:0 0 0 7px rgba(33,92,255,.14);cursor:crosshair}
.tile-grid{display:grid;grid-template-columns:repeat(4,70px);gap:10px;margin:20px}
.tile{width:70px;height:70px;border:0;border-radius:12px;background:#d9deea;cursor:pointer}
.tile.on{background:var(--blue)}
.emoji-grid{display:grid;grid-template-columns:repeat(4,64px);gap:9px}
.emoji-card{width:64px;height:64px;border:0;border-radius:11px;background:var(--navy);color:transparent;font-size:1.7rem;cursor:pointer}
.emoji-card.open{background:var(--bg);color:inherit;border:1px solid var(--line)}
.math-q{font-size:3rem;font-weight:900}
.answer{width:180px;padding:12px;text-align:center;border:2px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font-size:1.2rem}
.color-word{font-size:4rem;font-weight:900;text-transform:uppercase}
.color-options{display:flex;gap:10px}
.color-options button{width:62px;height:62px;border-radius:50%;border:4px solid white;box-shadow:0 0 0 1px var(--line);cursor:pointer}
.mole-grid{display:grid;grid-template-columns:repeat(3,82px);gap:12px}
.mole{width:82px;height:82px;border-radius:50%;border:0;background:#dfe3ea;cursor:pointer}
.mole.on{background:var(--lime);box-shadow:inset 0 -10px rgba(0,0,0,.08)}
.click-technique{touch-action:manipulation}
.butterfly-pads{display:grid;grid-template-columns:1fr 1fr;gap:14px;width:min(100%,620px);margin:18px 0}
.butterfly-pads button{min-height:170px;border:2px solid var(--line);border-radius:20px;background:var(--bg);color:var(--ink);font-size:1.15rem;font-weight:850;cursor:pointer;touch-action:manipulation}
.butterfly-pads button:active{background:var(--lime);color:#101828}
.latency-list{padding:12px 16px;border-radius:12px;background:var(--bg);color:var(--muted);margin:10px 0 18px}
.scramble-text{font-size:clamp(1.25rem,4vw,2rem);line-height:1.5;font-weight:850;letter-spacing:.08em;max-width:780px;padding:18px;background:var(--bg);border:1px solid var(--line);border-radius:16px}
.timer-display{margin:28px 0 18px;font-variant-numeric:tabular-nums}
.timer-pad{width:min(100%,650px);min-height:92px;border:2px solid var(--line);border-radius:18px;background:var(--ink);color:var(--bg);font-size:1.05rem;font-weight:850;cursor:pointer;touch-action:none}
.timer-pad.ready{background:var(--lime);color:#101828;border-color:var(--lime)}
.cube-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:min(100%,650px);margin:12px 0}
.cube-stats span{display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);padding:10px;border-radius:11px;color:var(--muted)}
.cube-stats strong{color:var(--ink);font-size:1.25rem}
.solve-history{width:min(100%,650px);max-height:250px;overflow:auto;border-top:1px solid var(--line);margin-top:10px;text-align:left}
.solve-history>div{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 2px;border-bottom:1px solid var(--line)}
.solve-history button{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:7px;padding:4px 7px;margin-left:5px;cursor:pointer}
.cube-hub{min-height:auto}
.cube-hub .game-grid{margin-top:34px}
.cube-palette{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin:15px 0}
.cube-palette button{width:74px;min-height:54px;border:3px solid transparent;border-radius:12px;background:var(--sticker);font-weight:900;cursor:pointer;box-shadow:0 0 0 1px var(--line);color:#101828;padding:4px}
.cube-palette button span,.cube-palette button small{display:block;line-height:1.15}
.cube-palette button small{font-size:.65rem}
.cube-palette button.active{border-color:var(--ink);transform:scale(1.08)}
.cube-net{--cell:38px;display:grid;grid-template-columns:repeat(4,calc(var(--cell)*3));grid-template-rows:repeat(3,calc(var(--cell)*3));gap:7px;margin:20px auto;width:max-content;max-width:100%;overflow:auto;padding:4px}
.cube-net.size-2{--cell:48px;grid-template-columns:repeat(4,calc(var(--cell)*2));grid-template-rows:repeat(3,calc(var(--cell)*2))}
.cube-face{position:relative}
.cube-face>strong{position:absolute;left:2px;top:2px;z-index:1;font-size:.65rem;color:#101828;background:rgba(255,255,255,.82);padding:1px 4px;border-radius:3px;line-height:1.1}
.cube-face>strong span{display:block;font-size:.48rem;font-weight:700}
.cube-face>div{display:grid;grid-template-columns:repeat(3,var(--cell));grid-template-rows:repeat(3,var(--cell));gap:2px;background:#101828;padding:3px;border-radius:5px}
.size-2 .cube-face>div{grid-template-columns:repeat(2,var(--cell));grid-template-rows:repeat(2,var(--cell))}
.cube-sticker{width:var(--cell);height:var(--cell);border:0;border-radius:4px;background:var(--sticker);cursor:pointer;box-shadow:inset 0 0 0 1px rgba(0,0,0,.17)}
.cube-sticker:disabled{opacity:1;cursor:default}
.face-U{grid-column:2;grid-row:1}.face-L{grid-column:1;grid-row:2}.face-F{grid-column:2;grid-row:2}.face-R{grid-column:3;grid-row:2}.face-B{grid-column:4;grid-row:2}.face-D{grid-column:2;grid-row:3}
.solution-alg{font-size:1.25rem;font-weight:850;letter-spacing:.09em;line-height:1.6;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px;max-width:760px}
.solution-steps{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;margin:17px 0}
.solution-steps button{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:7px 9px}
.error-text{color:#b42318!important;background:#fee4e2;padding:10px 14px;border-radius:10px}
.cube-model{max-width:100%;overflow:auto}
.cube-model .cube-net{--cell:34px;margin:8px auto}
.sim-status{display:flex;justify-content:center;gap:30px;margin:10px 0;font-size:1.1rem}
.move-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;width:min(100%,650px);margin:15px 0}
.move-controls span{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.move-controls button{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:9px 4px;font-weight:800;cursor:pointer}
.move-controls span small{grid-column:1/-1;color:var(--muted);text-align:center;font-size:.7rem}
.pattern-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;width:100%;align-items:start}
.pattern-grid article{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:18px;text-align:left}
.pattern-grid article h2{margin:0 0 5px}
.pattern-grid article p{color:var(--muted)}
.pattern-grid code{display:block;overflow-wrap:anywhere;background:var(--surface);padding:10px;border-radius:8px}
.mini-cube-model{overflow:auto}
.mini-cube-model .cube-net{--cell:14px;margin:8px auto}
.beginner-brief{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}
.beginner-brief>div{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:13px 15px}
.beginner-brief .first-action{grid-column:1/-1;background:#efffe0;border-color:#b9ea83}
body.dark .beginner-brief .first-action{background:#172617;border-color:#47762b}
.beginner-brief span{display:block;color:var(--muted);font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:3px}
.beginner-brief strong{display:block;line-height:1.4}
.term-box{border-left:4px solid var(--blue);background:var(--surface);border-radius:0 12px 12px 0;padding:14px 18px;margin:24px 0}
.term-box p{margin:4px 0 0}
.cube-choice{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:28px 0}
.cube-choice>div{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:15px}
.cube-choice p{font-size:.92rem;margin:4px 0 0;color:var(--muted)}
.notation-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin:20px 0 34px}
.notation-grid>div{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:11px}
.notation-grid strong{display:grid;place-items:center;min-width:38px;height:38px;background:var(--ink);color:var(--bg);border-radius:9px}
.notation-grid span{font-size:.82rem;color:var(--muted);line-height:1.25}
.orientation-guide{display:grid;grid-template-columns:210px 1fr;gap:28px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;margin:25px 0}
.orientation-cube{position:relative;width:190px;height:160px;margin:auto;font-size:.72rem;font-weight:900;text-align:center;color:#101828}
.orientation-cube span{position:absolute;display:grid;place-items:center;width:76px;height:76px;border:3px solid #101828}
.orientation-cube .top{left:57px;top:0;background:#f8fafc;transform:skewX(-28deg) scaleY(.6)}
.orientation-cube .front{left:31px;top:62px;background:#25a05a;transform:skewY(28deg)}
.orientation-cube .right{left:107px;top:62px;background:#e5484d;transform:skewY(-28deg)}
footer{max-width:1200px;margin:auto;padding:55px 24px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;border-top:1px solid var(--line)}
footer h2{font-size:1rem}
footer a:not(.brand),footer p{display:block;color:var(--muted);margin:6px 0}
footer small{grid-column:1/-1;color:var(--muted)}
@media(max-width:900px){.hero,.game-layout{grid-template-columns:1fr}
.hero{padding-top:45px}
.score-preview{max-width:520px}
.game-grid{grid-template-columns:repeat(2,1fr)}
.how{order:2}
.sitemap-list{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:650px){header{height:auto;min-height:68px;flex-wrap:wrap}
.nav-toggle{display:block}
nav{display:none;width:100%;padding:12px 0 18px;flex-wrap:wrap}
nav.open{display:flex}
.hero{min-height:0;padding:40px 0 65px;gap:30px}
.hero h1{font-size:3rem}
.trust{gap:10px;flex-wrap:wrap}
.score-preview{padding:25px}
.score-preview>strong{font-size:4rem}
.section-head{align-items:stretch;flex-direction:column}
.search,.search input{width:100%;min-width:0}
.game-grid{grid-template-columns:1fr}
.game-card{grid-template-columns:48px 1fr auto}
.game-icon{width:48px;height:48px}
.game-root{min-height:390px;padding:18px}
.tile-grid{grid-template-columns:repeat(4,55px)}
.tile{width:55px;height:55px}
.color-word{font-size:3rem}
.mole-grid{grid-template-columns:repeat(3,68px)}
.mole{width:68px;height:68px}
.sitemap-list,footer{grid-template-columns:1fr}
footer small{grid-column:1}
.content-panel{padding:28px}
.simple-hero{padding:60px 0}
.butterfly-pads button{min-height:130px}
.cube-stats{grid-template-columns:1fr}
.solve-history>div{align-items:flex-start;flex-direction:column}
.cube-net{--cell:26px}
.cube-net.size-2{--cell:37px}
.cube-model .cube-net{--cell:24px}
.move-controls{grid-template-columns:repeat(2,1fr)}
.pattern-grid{grid-template-columns:1fr}
.beginner-brief,.cube-choice,.notation-grid{grid-template-columns:1fr}
.beginner-brief .first-action{grid-column:1}
.orientation-guide{grid-template-columns:1fr;padding:18px}
}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.directory{display:grid;grid-template-columns:210px minmax(0,1fr);gap:30px;padding:32px 0 80px;align-items:start}
.directory-sidebar{position:sticky;top:18px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
.directory-sidebar h2{font-size:.86rem;text-transform:uppercase;letter-spacing:.08em;margin:8px 8px 7px}
.directory-sidebar h2:not(:first-child){margin-top:22px}
.directory-sidebar a{display:block;padding:7px 8px;border-radius:8px;color:var(--muted);font-size:.92rem}
.directory-sidebar a:hover{background:var(--bg);color:var(--ink)}
.directory-title{display:flex;align-items:end;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding:0 0 20px}
.directory-title h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.05;letter-spacing:-.05em;margin:0}
.directory-title p{margin:8px 0 0;color:var(--muted)}
.directory .category{margin:32px 0 46px;scroll-margin-top:20px}
.directory .category .section-head{margin-bottom:12px}
.directory .category .eyebrow{display:none}
.directory .category h2{font-size:1.45rem}
.directory .game-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.directory .game-card{border-radius:12px;padding:14px;box-shadow:none}
.directory .game-card:hover{transform:none;border-color:var(--blue)}
.share-row{display:flex;align-items:center;gap:12px;margin:14px 0 0}
.share-result{border:1px solid var(--ink);background:var(--ink);color:var(--bg);padding:10px 15px;border-radius:10px;font-weight:800;cursor:pointer}
.share-result:hover{opacity:.88}
.favorite-game{border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:10px 15px;border-radius:10px;font-weight:800;cursor:pointer}
.favorite-game[aria-pressed="true"]{border-color:var(--lime);background:color-mix(in srgb,var(--lime) 14%,var(--surface))}
#share-status{color:var(--muted);font-size:.9rem}
.local-shelves{padding:28px 0 0}
.local-shelf{margin-bottom:30px}
.local-shelf .section-head{align-items:end;margin-bottom:12px}
.local-shelf .section-head>a{font-weight:800}
.local-shelf .game-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.progress-page{max-width:980px}
.progress-page>p{max-width:760px}
.progress-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0}
.progress-stats>div{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}
.progress-stats strong{font-size:2rem}
.progress-stats span{color:var(--muted)}
.progress-section{margin:38px 0}
.progress-section .game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.progress-history{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface)}
.progress-history>a{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px 16px;border-bottom:1px solid var(--line);color:var(--ink)}
.progress-history>a:last-child{border-bottom:0}
.progress-history span:first-child{display:flex;flex-direction:column}
.progress-history small{color:var(--muted)}
.history-score{text-align:right;font-weight:900}
.text-button{border:0;background:transparent;color:var(--blue);font-weight:800;cursor:pointer}
.empty-state{padding:22px;border:1px dashed var(--line);border-radius:14px;color:var(--muted)}
.ad-boundary{min-height:1px;margin:32px auto;max-width:980px;clear:both;pointer-events:none}
.ad-boundary[data-ad-active="true"]{min-height:100px;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);pointer-events:auto}
@media(max-width:900px){
  .directory{grid-template-columns:1fr}
  .directory-sidebar{position:static;display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
  .directory-sidebar h2{grid-column:1/-1}
  .directory .game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:650px){
  main{padding:0 16px}
  .directory{padding-top:20px;gap:20px}
  .directory-sidebar{grid-template-columns:repeat(2,1fr)}
  .directory-title{align-items:stretch;flex-direction:column}
  .directory-title .search,.directory-title .search input{width:100%}
  .directory .game-grid{grid-template-columns:1fr}
  .directory .category{margin:26px 0 38px}
  .directory .game-card small{display:none}
  .local-shelf .game-grid,.progress-section .game-grid,.progress-stats{grid-template-columns:1fr}
  .share-row{align-items:stretch;flex-direction:column}
  .progress-history>a{align-items:flex-start}
}