.arena-shell{max-width:1300px;margin:auto}.arena-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px}.arena-head h1{font-size:clamp(40px,6vw,80px);margin:.2em 0}.arena-pickers{display:grid;grid-template-columns:2fr 1fr;gap:18px;margin:20px 0}.arena-pickers>div{display:flex;gap:8px;flex-wrap:wrap}.arena-pickers h3{width:100%;margin:0 0 6px}.arena-pickers button{padding:10px 13px;border:1px solid var(--line);background:#10262c;color:var(--muted);border-radius:30px}.arena-pickers button.active{border-color:var(--gold);color:var(--gold)}.arena-summary{padding:20px;border:1px solid var(--line);border-radius:9px;margin:18px 0}.level-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:7px}.level-grid button{min-height:52px;background:#10262c;border:1px solid var(--line);color:var(--text);border-radius:7px;position:relative}.level-grid button.locked{opacity:.3}.level-grid button.cleared{border-color:var(--mint)}.level-grid small{position:absolute;right:5px;top:4px;color:var(--mint)}.endless{display:block;margin:20px auto}.arena-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:25px;padding-top:18px}.arena-playtop{display:flex;justify-content:space-between;gap:10px;align-items:center;border-bottom:1px solid var(--line);padding:12px 0}.arena-board{max-width:850px;margin:35px auto;text-align:center}.question{font:clamp(44px,8vw,90px) var(--serif);color:var(--gold);margin:35px}.mem-grid{display:grid;grid-template-columns:repeat(var(--cols),1fr);gap:8px}.mem-grid button{aspect-ratio:1;min-height:60px;font-size:30px;border:1px solid var(--line);background:#10262c;border-radius:8px}.mem-grid button.flip{background:#213b42;border-color:var(--gold)}.hunt-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:5px}.hunt-grid button{aspect-ratio:1;font-size:27px;background:#10262c;border:1px solid var(--line);border-radius:7px}.seq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:520px;margin:30px auto}.seq-grid .pad{height:100px;font-size:30px;border:1px solid var(--line);background:#10262c;border-radius:12px}.seq-grid .flash{background:var(--gold);color:#071216;transform:scale(1.04)}.seq-status,.seq-entry{font-size:18px;color:var(--muted)}.arena-msg{color:#ffb0a5}.arena-win{max-width:600px;margin:80px auto;text-align:center}.arena-win h2{font-size:60px;color:var(--gold)}@media(max-width:760px){.level-grid{grid-template-columns:repeat(5,1fr)}.arena-pickers{grid-template-columns:1fr}.hunt-grid{grid-template-columns:repeat(6,1fr)}.arena-head{align-items:flex-start;flex-direction:column}}