.regex-summary {
    border-left: 4px solid #0d6efd;
    background: #f8fbff;
    padding: 0.75rem 1rem;
    border-radius: 0.25rem;
}

.regex-result-panel {
    min-height: 240px;
    max-height: 520px;
    overflow: auto;
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    background: #fff;
    padding: 1rem;
}

.regex-result-pre {
    white-space: pre-wrap;
    word-break: break-word;
    font-family: Consolas, Monaco, 'Courier New', monospace;
    background: #212529;
    color: #f8f9fa;
}

.regex-match-list {
    padding-left: 1.25rem;
    margin-bottom: 0;
}

.regex-match-item {
    margin-bottom: 0.85rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid #e9ecef;
}

.regex-match-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
}

.regex-match-heading {
    font-family: Consolas, Monaco, 'Courier New', monospace;
    font-weight: 700;
    word-break: break-word;
}

.regex-match-sub {
    margin-top: 0.25rem;
    color: #6c757d;
    font-size: 0.92rem;
    word-break: break-word;
}

@media (max-width: 767.98px) {
    .regex-result-panel {
        min-height: 180px;
        max-height: 420px;
    }

    #run,
    #copy,
    #reset {
        width: 100%;
    }
}