body{margin:0;font-family:Arial,sans-serif;background:#f5f7fb;color:#1f2937}*{box-sizing:border-box}#root{min-height:100vh}button{cursor:pointer}input,button{padding:10px 12px;border-radius:8px;border:1px solid #d1d5db;font-size:14px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes skeleton-loading{0%{background-position:100% 50%}to{background-position:0 50%}}