:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424}body{margin:0;display:block;min-width:320px;min-height:100vh;overflow-x:hidden}#root{max-width:1200px;margin:0 auto;padding:1rem;width:100%;box-sizing:border-box}.card{padding:1.5em;background-color:#1a1a1a;border-radius:8px;margin-bottom:1.5em;box-shadow:0 4px 6px #0000001a}input{padding:.5em .8em;font-size:1em;border-radius:6px;border:1px solid #555;background-color:#333;color:#fff}@media (max-width: 600px){div[style*="flex: 0 0 300px"]{width:100%!important;flex:1 1 100%!important}}.stat-box{background:#2a2a2a;padding:10px;border-radius:6px;margin-bottom:12px}.stat-label{font-size:.85em;color:#aaa;margin-bottom:4px}.stat-value{font-size:1.2em;font-weight:700}.positive{color:#4caf50}.negative{color:#f44336}