body{font-family:Arial,Helvetica,sans-serif;margin:0;background:#f2f4f7}
.topbar{display:flex;align-items:center;justify-content:space-between;background:#1e88b8;color:#fff;padding:12px 18px}
.topbar nav a{margin:0 10px;color:#eaf6ff;text-decoration:none;font-size:14px}
.topbar nav a.active{font-weight:bold}
.logo{font-weight:bold}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;background:#2f4858;color:#fff;padding:15px}
.stat{font-size:13px}
.container{padding:20px}
.header-row{display:flex;justify-content:space-between;align-items:center}
.btn{background:#2196f3;border:none;color:#fff;padding:8px 12px;border-radius:4px;margin-left:6px;cursor:pointer}
.btn.green{background:#2e7d32}
table{width:100%;border-collapse:collapse;background:#fff;margin-top:15px}
th,td{border:1px solid #ddd;padding:8px;font-size:13px;text-align:left}
th{background:#f0f0f0}