/* =================================================================
   PHOTO TO SKETCH 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: 550px;
    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;
    min-width: fit-content;
}

/* Sliders */
#edge-slider,
#brightness-slider,
#contrast-slider,
#blur-slider {
    width: 180px;
    accent-color: var(--primary-color);
}

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

/* Style buttons */
.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;
}

.style-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.style-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* Toggle buttons (white/dark paper) */
.toggle-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;
}

.toggle-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.toggle-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* Processing overlay */
.processing-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.processing-overlay span {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
}

/* ─── Responsive ─── */
@media screen and (max-width: 768px) {
    #edge-slider,
    #brightness-slider,
    #contrast-slider,
    #blur-slider {
        width: 120px;
    }

    .style-btn,
    .toggle-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .editor-controls .tool-group {
        gap: 0.6rem;
    }

    #preview-canvas {
        max-height: 400px;
    }
}