.layout-presets {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.layout-btn {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.layout-btn:hover {
    background: rgba(20,184,166,0.08);
    border-color: rgba(20,184,166,0.25);
    color: white;
}

.layout-btn.active {
    background: rgba(20,184,166,0.15);
    border-color: var(--accent-teal);
    color: white;
    box-shadow: 0 0 12px rgba(20,184,166,0.15);
}

.collage-canvas-wrapper {
    width: 100%;
    max-height: 500px;
    overflow: auto;
    border-radius: 10px;
    background: rgba(255,255,255,0.02);
}

.collage-canvas-wrapper canvas {
    width: 100%;
    height: auto;
    display: block;
}