body {font-family: system-ui, Arial, sans-serif; background:#f8f9fa; color:#212529;}
.navbar {box-shadow:0 2px 4px rgba(0,0,0,0.1);} 
.container {max-width:1200px;}
h1,h2,h3 {font-weight:600;margin:1rem 0;}
.table {background:#fff; border:1px solid #dee2e6;}
footer {margin-top:3rem; padding:1rem 0; text-align:center; font-size:0.9rem; color:#6c757d;}