:root{--rumba-red:#b7152c;--rumba-orange:#e63e6d;--text-primary:#1a1a1a;--text-secondary:#666;--bg-color:#f5f5f5}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}body{background-color:var(--bg-color);min-height:100vh;color:var(--text-primary);margin:0;padding:0;line-height:1.5}#root{min-height:100vh}:focus-visible{outline:2px solid var(--rumba-red);outline-offset:2px}button{font-family:inherit}*{transition-timing-function:cubic-bezier(.4,0,.2,1)}:root{--rumba-red:#b7152c;--rumba-orange:#e63e6d;--rumba-red-dark:#8b1022;--rumba-gray:#666;--rumba-gray-light:#e5e5e5;--text-primary:#1a1a1a;--text-secondary:#666;--text-white:#fff;--success:#22c55e;--error:#dc2626;--warning:#f59e0b;--spacing-xs:8px;--spacing-sm:12px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--shadow-sm:0 1px 3px #0000001a;--shadow-md:0 4px 6px #0000001a;--shadow-lg:0 10px 25px #00000026}*{box-sizing:border-box;margin:0;padding:0}.app-container{width:100%;min-height:100vh;display:flex}.left-panel{background:linear-gradient(180deg, var(--rumba-red) 0%, #8b1022 50%, #4a0a16 100%);width:400px;height:100vh;color:var(--text-white);padding:var(--spacing-lg);z-index:10;flex-direction:column;transition:transform 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