body{margin:0;padding:0;font-family:Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5;min-height:100vh}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}button{font-family:Roboto,Helvetica,Arial,sans-serif}#root{width:100%;margin:0;padding:0}.App{width:100%;max-width:100%;text-align:left}#root{width:100%;max-width:100%;margin:0;padding:0}.dashboard-content{padding:24px 0}.file-upload-area{border:2px dashed #ccc;border-radius:8px;padding:20px;text-align:center;transition:all .3s ease}.file-upload-area:hover{border-color:#1976d2;background-color:#1976d20a}.chart-container{height:400px;margin-bottom:24px}