.glass-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.studio-layout {
    display: grid;
    grid-template-columns: 200px 1fr 200px;
    gap: 1.5rem;
    align-items: start;
    margin-top: 2rem;
}

h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--text-main);
    font-size: 1.2rem;
}

.color-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.2s;
}

.color-swatch:hover {
    transform: scale(1.1);
}

.color-swatch.active {
    border: 2px solid #fff;
    box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

#custom-color {
    width: 100%;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
}

.tool-controls {
    display: flex;
    gap: 0.5rem;
}

.tool-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    flex: 1;
    padding: 0.5rem 0;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s;
}

.tool-btn.active {
    background: #eab308;
    border-color: #facc15;
}

.canvas-panel {
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(15, 23, 42, 0.8);
    position: relative;
}

#pixel-canvas {
    background: #ffffff; /* White background for drawing */
    cursor: crosshair;
    image-rendering: pixelated; /* Keeps pixels sharp */
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

@media (max-width: 900px) {
    .studio-layout {
        grid-template-columns: 1fr;
    }
    .canvas-panel {
        order: -1; /* Canvas on top on mobile */
    }
    #pixel-canvas {
        width: 100%;
        height: auto;
        max-width: 320px;
    }
}