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;
}

.busy-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 9999;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 5px solid #ddd;
    border-top: 5px solid #007bff;
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

.busy-text {
    margin-top: 12px;
    font-weight: 600;
    color: #333;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}