/* =================================================================
   GRAYSCALE / BLACK AND WHITE TOOL STYLES
   ================================================================= */

#editor-container {
    position: relative;
    animation: fadeIn 0.3s ease-out;
}

.preview-container {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
}

#preview-canvas {
    max-width: 100%;
    max-height: 500px;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.editor-controls {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.editor-controls .tool-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.editor-controls label {
    color: var(--text-color);
    font-weight: 600;
    margin: 0;
}

#contrast-slider,
#brightness-slider {
    width: 180px;
    accent-color: var(--primary-color);
}

#contrast-value,
#brightness-value {
    color: var(--primary-color);
    font-weight: 600;
    min-width: 35px;
    text-align: center;
}

.mode-btn,
.style-btn {
    background: var(--card-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
    font-weight: 600;
}

.mode-btn:hover,
.style-btn:hover {
    background: var(--card-hover-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.mode-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-color: var(--primary-color);
}

.style-btn {
    background: var(--card-bg);
    border-style: dashed;
}

.style-btn:hover {
    border-style: solid;
}

#reset-btn {
    background: var(--card-bg);
    color: var(--text-muted);
    border: 2px solid var(--border-color);
}

#reset-btn:hover {
    background: var(--card-hover-bg);
    color: var(--text-color);
    border-color: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .editor-controls .tool-group {
        justify-content: center;
    }
    
    #contrast-slider,
    #brightness-slider {
        width: 140px;
    }
    
    .mode-btn,
    .style-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .editor-controls .tool-group {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    #contrast-slider,
    #brightness-slider {
        width: 100%;
        max-width: 220px;
    }
    
    .mode-btn,
    .style-btn {
        padding: 8px 10px;
    }
}