body {
  background-color: #f4f6f9;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}
.navbar { box-shadow: 0 2px 6px rgba(0,0,0,0.2); }
.card { border-radius: 10px; }
.table th { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
.table td { font-size: 0.9rem; }
.progress { border-radius: 10px; background: #e9ecef; }
.progress-bar { border-radius: 10px; transition: width 0.5s ease; }
.badge { font-size: 0.75rem; padding: 0.35em 0.65em; }
.modal-content { border-radius: 12px; }
.alert { border-radius: 8px; }