.rfc-validator-hero {
    background: #f4f8fb;
    border: 1px solid #dbe7f0;
    border-radius: 8px;
    padding: 2rem;
}

.validator-summary,
.validator-result,
.validation-step {
    background: #ffffff;
    border: 1px solid #dbe7f0;
    border-radius: 8px;
    padding: 1.25rem;
}

.validator-summary {
    box-shadow: 0 8px 24px rgba(24, 58, 87, 0.08);
}

.validator-result.is-valid {
    border-color: #198754;
    background: #f3fbf7;
}

.validator-result.is-invalid {
    border-color: #dc3545;
    background: #fff6f6;
}

.rfc-analysis-code {
    font-family: "Courier New", monospace;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    word-break: break-word;
}

.step-badge {
    align-items: center;
    background: #0d6efd;
    border-radius: 50%;
    color: #ffffff;
    display: inline-flex;
    font-weight: 700;
    height: 2rem;
    justify-content: center;
    margin-bottom: 0.75rem;
    width: 2rem;
}

.check-list {
    list-style: none;
    padding-left: 0;
}

.check-list li {
    margin-bottom: 0.75rem;
    padding-left: 1.75rem;
    position: relative;
}

.check-list li::before {
    color: #0d6efd;
    content: "\f058";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    left: 0;
    position: absolute;
    top: 0.1rem;
}

@media (max-width: 575.98px) {
    .rfc-validator-hero {
        padding: 1.25rem;
    }

    .rfc-analysis-code {
        font-size: 1rem;
    }
}