:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden}.shell{min-height:100vh;display:flex;align-items:center;justify-content:center;cursor:pointer;user-select:none;-webkit-user-select:none}.game-container{display:flex;flex-direction:column;align-items:center;gap:1rem}.hud{display:flex;gap:2rem}.hud-item{display:flex;flex-direction:column;align-items:center}.hud-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.15em;color:#fff6}.hud-value{font-size:1.6rem;font-weight:700;font-variant-numeric:tabular-nums}.arena{position:relative;width:500px;height:500px;border-radius:1rem;background:#111;border:1px solid rgba(255,255,255,.06);overflow:hidden}.target-circle{position:absolute;border-radius:50%;border:2px dashed rgba(255,255,255,.25);pointer-events:none;transition:all .3s ease}.player-circle{position:absolute;border-radius:50%;background:radial-gradient(circle at 40% 35%,#6ee7b7,#059669);box-shadow:0 0 30px #10b98166;pointer-events:none;transition:opacity .3s}.player-burst{background:radial-gradient(circle at 40% 35%,#fca5a5,#dc2626);box-shadow:0 0 40px #ef444499;animation:burst .4s ease-out}@keyframes burst{0%{transform:scale(1);opacity:1}50%{transform:scale(1.15);opacity:.8}to{transform:scale(1.1);opacity:.5}}.center-dot{position:absolute;width:6px;height:6px;background:#ffffff80;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000b3;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-radius:1rem;z-index:10;gap:.5rem}.overlay h1{font-size:2rem;font-weight:800;letter-spacing:-.03em}.game-over-title{color:#f87171}.subtitle{font-size:.95rem;color:#fff9;text-align:center;max-width:280px}.hint{font-size:.8rem;color:#ffffff59;margin-bottom:.5rem}.final-score{font-size:1.3rem;font-weight:600}.new-record{color:#fbbf24;font-weight:700;font-size:1rem;animation:pulse .6s ease-in-out infinite alternate}@keyframes pulse{0%{opacity:.7;transform:scale(1)}to{opacity:1;transform:scale(1.05)}}.btn{margin-top:.75rem;padding:.65rem 2rem;font-size:1rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#059669,#10b981);border:none;border-radius:.5rem;cursor:pointer;transition:transform .1s,box-shadow .2s}.btn:hover{transform:translateY(-1px);box-shadow:0 4px 20px #10b98166}.btn:active{transform:translateY(0)}.round-label{font-size:.85rem;color:#ffffff80;letter-spacing:.05em}