*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #0066cc;--primary-dark: #0052a3;--secondary: #00a86b;--error: #dc3545;--success: #28a745;--text-dark: #2c3e50;--text-light: #6c757d;--bg-light: #f8f9fa;--border: #dee2e6;--white: #ffffff;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .15)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(-45deg,#e0f7fa,#f8f9fa,#d1e9f6,#b3e5fc);background-size:400% 400%;animation:gradientShift 15s ease infinite;min-height:100vh;color:var(--text-dark)}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1700px;margin:0 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