html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: #b32121;
    padding: 1rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* Modal-shim used by DeleteMonthlyBudgetPlan/DeleteButton — minimal
   replacement for the prior Bootstrap modal markup. */
.modal-shim {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
}

.modal-card {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    max-width: 480px;
    width: 90%;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}