body{color:#111;margin:2rem;font-family:system-ui,sans-serif}nav{align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}table{border-collapse:collapse;width:100%}th,td{text-align:left;border:1px solid #ddd;padding:6px 10px;font-size:14px}button{cursor:pointer;margin-right:4px;padding:4px 10px}h1{font-size:20px}h2{margin-top:1.5rem;font-size:16px}