*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif;background:#111;color:#eee}a{color:#ffd54f}button{font-family:inherit}:root{--accent:#ffd54f;--accent-glow:0 0 6px rgba(255,213,79,.7)}.game-container{max-width:860px;margin:0 auto;padding:1.25rem}.stats{display:flex;gap:1.25rem;flex-wrap:wrap;margin-bottom:1rem}.panel{background:#1d1d1d;padding:.9rem 1rem;border-radius:10px;box-shadow:0 2px 4px rgba(0,0,0,.4)}.upgrades{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:.75rem;gap:.75rem}.upgrade{background:#222;padding:.6rem .7rem;border-radius:8px;display:flex;flex-direction:column;gap:.35rem}.upgrade button{margin-top:auto;background:var(--accent);border:none;padding:.45rem .7rem;border-radius:6px;cursor:pointer;font-weight:600}.upgrade button:disabled{background:#555;color:#aaa;cursor:not-allowed}.character-btn{width:240px;height:240px;border-radius:50%;border:4px solid var(--accent);background:radial-gradient(circle at 30% 30%,#ffe082,#ffb300);cursor:pointer;font-size:1.1rem;font-weight:700;color:#3d2f00;display:flex;align-items:center;justify-content:center;box-shadow:var(--accent-glow);position:relative}.character-btn:active{transform:scale(.96)}.character-wrapper{display:flex;flex-direction:column;align-items:center;gap:.75rem}.ad-box{background:#333;padding:1rem;border-radius:8px;text-align:center}.character-img{height:80%;width:80%;border-radius:50%;position:absolute;top:10%;left:10%}