: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}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa}.shell{min-height:100vh;display:grid;place-items:center;padding:1rem}.game-container{display:flex;flex-direction:column;align-items:center;gap:.75rem}.game-title{margin:0;font-size:2rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,#ff6b6b,orange,#ff6b6b);background-size:200% 100%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:shimmer 3s ease-in-out infinite}@keyframes shimmer{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.hud{display:flex;justify-content:space-between;width:800px;gap:1rem}.player-hud{display:flex;align-items:center;gap:.5rem;flex:1}.player-hud.right{flex-direction:row-reverse}.player-label{font-weight:700;font-size:.85rem;letter-spacing:.05em;min-width:2rem}.hp-bar-container{flex:1;height:18px;background:#ffffff14;border-radius:9px;overflow:hidden;border:1px solid rgba(255,255,255,.12)}.hp-bar{height:100%;border-radius:9px;transition:width .2s ease}.hp-bar.p1{background:linear-gradient(90deg,#f44,#ff6b6b)}.hp-bar.p2{background:linear-gradient(90deg,#48f,#6af);float:right}.wins{font-size:.75rem;font-weight:600;color:#ffffff80;min-width:2rem}.arena{width:800px;height:400px;background:linear-gradient(180deg,#1a1a2e,#16213e,#0f3460);border:2px solid rgba(255,255,255,.1);border-radius:12px;position:relative;overflow:hidden}.ground{position:absolute;bottom:0;left:0;right:0;height:10px;background:linear-gradient(90deg,#2d5a27,#3a7d32,#2d5a27);border-radius:0 0 10px 10px}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000bf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10;gap:.5rem}.overlay h2{margin:0;font-size:2.5rem;font-weight:800;text-shadow:0 2px 20px rgba(255,107,107,.5)}.controls-info{margin:.5rem 0;font-size:.95rem;color:#ffffffb3;text-align:center;line-height:1.8}.start-hint{margin:0;font-size:.85rem;color:#fff6;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}.btn{margin-top:.75rem;padding:.5rem 1.5rem;font-size:.85rem;font-weight:600;background:#ffffff1a;color:#fafafa;border:1px solid rgba(255,255,255,.2);border-radius:8px;cursor:pointer;transition:background .15s}.btn:hover{background:#fff3}.dog{position:absolute;width:48px;height:48px;display:flex;flex-direction:column;align-items:center;transition:filter .1s;z-index:5}.dog-emoji{font-size:2.5rem;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.5))}.dog.hit{filter:brightness(2) saturate(.5);animation:shake .2s ease-in-out}.dog.attacking .dog-emoji{animation:lunge .15s ease-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}@keyframes lunge{0%{transform:translateY(0) scale(1)}50%{transform:translateY(-4px) scale(1.15)}to{transform:translateY(0) scale(1)}}.name-tag{font-size:.55rem;font-weight:700;letter-spacing:.1em;padding:1px 4px;border-radius:3px;margin-top:2px}.name-tag.p1{background:#f449}.name-tag.p2{background:#48f9}.ko-overlay h2{color:gold;text-shadow:0 2px 20px rgba(255,215,0,.5)}