html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  white-space: nowrap;
  line-height: 60px;
}

/* Custom styles */
.card {
  margin-bottom: 20px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-header {
  background-color: #f8f9fa;
  font-weight: bold;
}

.table-hover tbody tr:hover {
  background-color: #f5f5f5;
  cursor: pointer;
}

.badge-yield {
  font-size: 0.9em;
  padding: 0.35em 0.65em;
}

.positive {
  color: #28a745;
}

.negative {
  color: #dc3545;
}

.navbar-brand {
  font-size: 1.3rem;
}

.dropdown-menu {
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}