/* Random Number Generator Tool Styles */

.tool-interface {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.generator-controls {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.range-input {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.range-input input[type="number"] {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    flex: 1;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.range-input input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: 0 0 0 2px rgba(64, 123, 255, 0.1);
}

.range-separator {
    font-weight: 600;
    color: #6c757d;
    font-size: 1.2rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    border: 1px solid #ddd;
    background: #f8f9fa;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    color: #6c757d;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.quantity-display {
    flex: 1;
    text-align: center;
    padding: 0.75rem;
    background: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-weight: 600;
    color: #333;
}

.options-section {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    margin-bottom: 1.5rem;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #fff;
    border-radius: 6px;
    border: 1px solid #ddd;
    cursor: pointer;
    transition: all 0.2s ease;
}

.checkbox-group:hover {
    border-color: var(--primary-color);
    background: #f0f7ff;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.checkbox-group label {
    flex: 1;
    cursor: pointer;
    font-weight: 500;
    margin: 0;
}

.format-selector {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.format-btn {
    padding: 0.5rem 1rem;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    color: #6c757d;
}

.format-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.format-btn:hover:not(.active) {
    background: #f0f7ff;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.generate-section {
    text-align: center;
    margin-bottom: 2rem;
}

.generate-btn {
    padding: 1rem 3rem;
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(64, 123, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(64, 123, 255, 0.4);
}

.generate-btn:active {
    transform: translateY(0);
}

.generate-btn .btn-icon {
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

.results-section {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.action-btn {
    padding: 0.5rem 1rem;
    background: #6c757d;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-btn:hover {
    background: #5a6268;
    transform: scale(1.05);
}

.action-btn.primary {
    background: var(--primary-color);
}

.action-btn.primary:hover {
    background: #0056b3;
}

.action-btn.success {
    background: #28a745;
}

.action-btn.success:hover {
    background: #218838;
}

.results-display {
    min-height: 200px;
    position: relative;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
}

.number-item {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
}

.number-item:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(64, 123, 255, 0.3);
}

.number-item.copied {
    animation: pulse 0.6s ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); background: #28a745; color: white; }
    100% { transform: scale(1); }
}

.results-list {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #333;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 300px;
    overflow-y: auto;
}

.empty-state {
    text-align: center;
    color: #6c757d;
    padding: 3rem;
    font-size: 1.1rem;
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.stats-section {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    transition: all 0.2s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.presets-section {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.preset-card {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.preset-card:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(64, 123, 255, 0.3);
}

.preset-card.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(64, 123, 255, 0.3);
}

.preset-card.active:hover {
    background: #0056b3;
    box-shadow: 0 6px 16px rgba(64, 123, 255, 0.4);
}

.preset-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.preset-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.preset-desc {
    font-size: 0.85rem;
    opacity: 0.8;
}

.history-section {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.history-list {
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #e9ecef;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.history-item:hover {
    background: #e9ecef;
    border-color: var(--primary-color);
}

.history-params {
    font-size: 0.9rem;
    color: #333;
    font-weight: 500;
}

.history-timestamp {
    font-size: 0.8rem;
    color: #6c757d;
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .tool-interface {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .controls-grid {
        grid-template-columns: 1fr;
    }
    
    .range-input {
        flex-direction: column;
        align-items: stretch;
    }
    
    .range-separator {
        text-align: center;
        margin: 0.5rem 0;
    }
    
    .quantity-controls {
        justify-content: center;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
    
    .results-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .results-actions {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .presets-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .generator-controls,
    .results-section,
    .stats-section,
    .presets-section,
    .history-section {
        padding: 1rem;
    }
    
    .generate-btn {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
    
    .number-item {
        padding: 0.75rem;
        font-size: 1rem;
    }
    
    .results-grid {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .format-selector {
        justify-content: center;
    }
}

/* Dark mode support - Updated to use main site theme system */
[data-theme="dark"] .generator-controls,
[data-theme="dark"] .results-section,
[data-theme="dark"] .stats-section,
[data-theme="dark"] .presets-section,
[data-theme="dark"] .history-section {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .options-section {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .range-input input[type="number"],
[data-theme="dark"] .quantity-display {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .range-input input[type="number"]:focus {
    background: var(--bg-card);
    border-color: var(--primary-color);
}

[data-theme="dark"] .quantity-btn,
[data-theme="dark"] .format-btn {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .checkbox-group {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .checkbox-group label {
    color: var(--text-primary);
}

[data-theme="dark"] .number-item {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .results-list {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

[data-theme="dark"] .stat-item {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .preset-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .preset-card.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

[data-theme="dark"] .preset-card.active:hover {
    background: #0056b3;
}

[data-theme="dark"] .history-item {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .history-item:hover {
    background: var(--bg-hover);
}

[data-theme="dark"] .form-help {
    color: var(--text-secondary);
}

[data-theme="dark"] .range-separator {
    color: var(--text-secondary);
}