*{margin:0;padding:0;box-sizing:border-box}:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(145deg, #ffffff, #f0f0f0);--accent-color: #667eea;--text-primary: #4a5568;--text-secondary: #718096;--win-color: #38a169;--lose-color: #e53e3e;--draw-color: #d69e2e;--border-radius: 15px;--box-shadow: 0 4px 15px rgba(0, 0, 0, .1);--transition: all .3s ease}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text-primary);background:var(--primary-gradient);min-height:100vh;padding:1rem;display:flex;align-items:center;justify-content:center}.container{max-width:600px;width:100%;background:#fffffff2;border-radius:20px;box-shadow:0 20px 40px #0000001a;padding:2rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}header{text-align:center;margin-bottom:2rem}header h1{font-size:clamp(2rem,5vw,2.5rem);font-weight:700;color:var(--text-primary);margin-bottom:.5rem;text-shadow:2px 2px 4px rgba(0,0,0,.1)}header p{font-size:1.1rem;color:var(--text-secondary);margin-bottom:1rem}.game-area{height:600px;display:flex;flex-direction:column;gap:2rem}.game-result{text-align:center;height:420px;display:flex;align-items:center;justify-content:center;position:relative;overflow:visible}.move-selection h2{text-align:center;font-size:1.5rem;color:var(--text-primary);margin-bottom:1.5rem}.move-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem;justify-items:center}.move-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--secondary-gradient);border:3px solid #e2e8f0;border-radius:var(--border-radius);padding:1.5rem;min-width:120px;min-height:120px;cursor:pointer;transition:var(--transition);box-shadow:var(--box-shadow);font-size:1rem;font-weight:600;color:var(--text-primary);touch-action:manipulation;-webkit-user-select:none;user-select:none}.move-btn:hover{transform:translateY(-5px);box-shadow:0 8px 25px #00000026;border-color:var(--accent-color)}.move-btn:active{transform:translateY(-2px)}.move-btn .move-icon{font-size:2.5rem;margin-bottom:.5rem}.move-btn .move-text{font-size:1rem;font-weight:600}.result-content{animation:fadeIn .5s ease-in;width:100%}.result-content.hidden,.initial-message.hidden{display:none}.initial-message{background:#667eea1a;padding:2rem;border-radius:var(--border-radius);border:2px dashed var(--accent-color);color:var(--text-primary);font-size:1.1rem}.moves-display{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1.5rem;margin-bottom:2rem}.player-move,.computer-move{background:#fffc;padding:1.5rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.player-move h3,.computer-move h3{font-size:1rem;color:var(--text-secondary);margin-bottom:1rem}.move-display{display:flex;flex-direction:column;align-items:center;gap:.5rem}.move-display .move-icon{font-size:3rem}.move-display .move-text{font-size:1.2rem;font-weight:600;color:var(--text-primary)}.vs-indicator{font-size:1.5rem;font-weight:700;color:var(--accent-color);background:#667eea1a;padding:.5rem 1rem;border-radius:50px;white-space:nowrap}.result-message{margin-bottom:2rem}.result-text{font-size:clamp(1.5rem,4vw,2rem);font-weight:700;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.1)}.result-text.win{color:var(--win-color);text-shadow:2px 2px 4px rgba(56,161,105,.3)}.result-text.lose{color:var(--lose-color);text-shadow:2px 2px 4px rgba(229,62,62,.3)}.result-text.draw{color:var(--draw-color);text-shadow:2px 2px 4px rgba(214,158,46,.3)}.result-text.error{color:var(--lose-color);font-size:1.5rem}.result-explanation{font-size:1.1rem;color:var(--text-secondary);font-style:italic}.play-again-btn{background:var(--primary-gradient);color:#fff;border:none;border-radius:25px;padding:1rem 2rem;font-size:1.1rem;font-weight:600;cursor:pointer;transition:var(--transition);box-shadow:0 4px 15px #667eea4d;text-transform:uppercase;letter-spacing:1px;min-height:50px;touch-action:manipulation}.play-again-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.play-again-btn:active{transform:translateY(0)}footer{text-align:center;margin-top:2rem;padding-top:1rem;border-top:1px solid #e2e8f0;color:var(--text-secondary);font-size:.9rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}@keyframes slideInUp{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.fade-in{animation:fadeIn .4s ease-out forwards}.fade-out{animation:fadeOut .3s ease-in forwards}.slide-in-up,.result-content.fade-in{animation:slideInUp .5s ease-out forwards}@media (max-width: 768px){.container{padding:1.5rem;margin:.5rem;border-radius:var(--border-radius)}.game-area{height:520px}.game-result{height:350px}.move-buttons{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:.8rem}.move-btn{min-width:100px;min-height:100px;padding:1rem}.move-btn .move-icon{font-size:2rem}.move-btn .move-text{font-size:.9rem}.moves-display{grid-template-columns:1fr;gap:1rem;text-align:center}.vs-indicator{order:2;margin:.5rem 0}.computer-move{order:3}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.move-btn:hover,.play-again-btn:hover{transform:none}}@media (prefers-contrast: high){.container{background:#fff;border:2px solid #000000}.move-btn{border:2px solid #000000}.move-btn:hover{background:#f0f0f0;border-color:#000}}.move-btn:focus,.play-again-btn:focus{outline:2px solid var(--accent-color);outline-offset:2px}