body {
  background-color: #f6f7fb;
  font-family: 'Segoe UI', Roboto, sans-serif;
  color: #212529;
}
a { text-decoration: none; }
.card {
  border-radius: 16px;
  border: none;
  background-color: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}
.card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.btn {
  border-radius: 10px;
  transition: 0.2s;
}
.btn-primary {
  background: linear-gradient(135deg, #007bff, #0d6efd);
  border: none;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #0056b3, #0a58ca);
}
.table {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
}
.table thead {
  background-color: #e9ecef;
  color: #212529;
}
.table tbody tr:hover {
  background-color: #f8f9fa;
}
.form-control {
  border-radius: 8px;
  border: 1px solid #ced4da;
}
.form-control:focus {
  border-color: #0d6efd;
  box-shadow: 0 0 0 0.15rem rgba(13,110,253,0.25);
}
.alert {
  border-radius: 10px;
}
.navbar {
  border-bottom: 1px solid #dee2e6;
  background-color: #fff !important;
}