body{font-family:-apple-system,"PingFang SC",sans-serif;margin:0;color:#1d2129}
.topnav{background:#1f3a5f;padding:.6rem 1rem}
.topnav a{color:#fff;margin-right:1rem;text-decoration:none}
.container{max-width:1100px;margin:1.5rem auto;padding:0 1rem}
.error{color:#c0392b}
table{border-collapse:collapse;width:100%}
th,td{border:1px solid #e5e6eb;padding:.4rem .6rem;text-align:right}
th:first-child,td:first-child{text-align:left}
.pos{color:#c0392b}.neg{color:#27ae60}
.card{display:inline-block;border:1px solid #e5e6eb;border-radius:8px;padding:1rem;margin:.5rem}
.grid{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}
.grid input,.grid select{padding:.4rem}