/* Random Number Generator */
.random-number-generator-tool {
    padding: 1rem 0;
}

.rng-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.rng-settings-panel,
.rng-results-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.rng-settings-panel {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.rng-settings-panel h3,
.rng-results-panel h3 {
    margin: 0 0 1rem 0;
    font-size: 1.25rem;
    color: var(--text-color);
}

.rng-range-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.rng-range-grid .service-input-wrapper label {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.rng-range-flags {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

.rng-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
}

.rng-int-only {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--border-color);
}

.rng-multiple-group {
    margin-top: 0.75rem;
}

.rng-stats {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.rng-stat-item {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
}

.rng-stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.rng-stat-value {
    font-weight: 700;
    color: var(--text-color);
    font-family: 'Courier New', monospace;
    word-break: break-word;
}

.rng-presets {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.rng-presets h4,
.rng-history h4 {
    margin: 0 0 0.75rem 0;
    font-size: 1rem;
    color: var(--text-color);
}

.rng-presets-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.rng-preset-btn {
    padding: 0.75rem;
}

.rng-results-panel .results-container {
    min-height: 200px;
    max-height: 600px;
    overflow-y: auto;
    padding: 1rem;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
}

.rng-results-table {
    width: 100%;
    border-collapse: collapse;
}

.rng-results-table th,
.rng-results-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.rng-results-table th {
    font-weight: 600;
    color: var(--text-color);
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.rng-number-cell {
    font-family: 'Courier New', monospace;
    font-weight: 700;
    color: var(--text-color);
}

.rng-actions-inline {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.rng-mini-btn {
    padding: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.rng-mini-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.rng-history {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
}

.rng-history-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.rng-history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.rng-history-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.rng-history-actions {
    display: flex;
    gap: 0.5rem;
}

@media (max-width: 992px) {
    .rng-layout {
        grid-template-columns: 1fr;
    }
    .rng-presets-grid {
        grid-template-columns: 1fr;
    }
    .rng-stats {
        grid-template-columns: 1fr;
    }
}