:root{--bg: #0d1117;--accent: #f5c518;--board-bg: #1a1f2b}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:#fff;font-family:system-ui,-apple-system,Segoe UI,sans-serif;overflow:hidden;-webkit-tap-highlight-color:transparent}.stage-root{position:relative;width:100vw;height:100dvh;display:flex;flex-direction:column}.stage-layer{flex:1;display:flex;align-items:center;justify-content:center;width:100%;height:100%}.stage-board{background:var(--board-bg)}.board-wrap{width:min(100vw,100dvh - 80px);max-width:600px;padding:8px}.stage-arena{background:radial-gradient(circle at center,#2a1e0e,#0d1117 70%);position:relative;overflow:hidden}.arena-root{display:flex;align-items:center;justify-content:space-between;width:100%;height:100%;padding:0 5vw;position:relative}.arena-fighter{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:14px;letter-spacing:1px;text-transform:uppercase}.fighter-sprite{width:96px;height:96px;background:#ffffff0d;border-radius:50%;border:2px solid var(--accent)}.arena-vs{font-size:48px;font-weight:900;color:var(--accent);text-shadow:0 2px 12px rgba(245,197,24,.6)}.arena-result{position:absolute;bottom:18%;left:0;right:0;text-align:center;font-size:22px;font-weight:700;color:var(--accent)}.ads-footer{height:60px;background:#1a1f2b;border-top:1px solid #222;display:flex;align-items:center;justify-content:center}.ads-footer__slot{width:320px;height:50px}