*{margin:0;padding:0;box-sizing:border-box}:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.6;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}body{margin:0;padding:0;min-width:320px;min-height:100vh;overflow:hidden}#root{width:100%;height:100vh}.app-container{position:relative;width:100vw;height:100vh;overflow:hidden;display:flex;justify-content:center;align-items:center}.background-animation{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#667eea,#764ba2,#f093fb);background-size:400% 400%;animation:gradientShift 15s ease infinite;z-index:0}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 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