*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;background:#f3f4f6;overflow-x:hidden}#root{min-height:100vh}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-8px) rotate(-2deg)}75%{transform:translate(8px) rotate(2deg)}}@keyframes particle{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-60px) scale(.3)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes screenIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@media(max-width:520px){.level-grid{grid-template-columns:repeat(2,1fr)!important;gap:10px!important}.game-title{font-size:36px!important}.game-subtitle{font-size:15px!important}.problem-text{font-size:28px!important}.battle-header{padding:6px 10px!important;flex-wrap:wrap;gap:4px}.monster-area{min-height:140px!important}.monster-emoji{font-size:60px!important}.problem-area{padding:16px!important;gap:12px!important}.victory-title{font-size:28px!important}.message-area{font-size:16px!important}}