.tool-title-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary-light);
}

.tool-title-wrapper i {
    font-size: 2rem;
    color: var(--primary-color);
}

.tool-title-wrapper .tool-title {
    margin-bottom: 0;
    border-bottom: none;
}

.config-section {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.config-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.config-actions {
    flex-direction: row;
    align-items: flex-end;
    gap: 8px;
}

.json-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.json-panel {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.size-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.json-input,
.json-output {
    min-height: 300px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.6;
}

.json-output {
    background: var(--bg-light);
    word-break: break-all;
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr) auto;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    align-items: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: center;
    padding: 12px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--success-color);
}

.stat-value.stat-muted {
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 600;
}

.copy-btn {
    grid-column: span 1;
    justify-content: center;
}

@media (max-width: 768px) {
    .config-section {
        flex-direction: column;
        align-items: stretch;
    }

    .config-actions {
        justify-content: flex-start;
    }

    .json-panels {
        grid-template-columns: 1fr;
    }

    .json-input,
    .json-output {
        min-height: 200px;
    }

    .result-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .copy-btn {
        grid-column: span 2;
    }
}