.synth-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-top: 20px;
}

.synth-section {
    border: 2px solid #00ffff;
    background: rgba(0, 255, 255, 0.05);
    padding: 12px;
    box-shadow: 2px 2px 0px #4a0080;
    border-radius: 6px;
}

.synth-section h2 {
    margin-top: 0;
    font-size: 22px;
    text-align: center;
}

.knob-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 8px 0;
}

.knob-row label {
    flex: 1;
    font-size: 18px;
    color: #ff77ff;
    text-shadow: 0 0 6px #ff77ff;
}

.knob {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: radial-gradient(circle, #2d1853 0%, #15092b 70%);
    border: 2px solid #ff77ff;
    box-shadow: inset 0 0 10px #4a0080, 0 0 8px #ff77ff;
    position: relative;
    cursor: grab;
    transition: transform 0.1s ease-out;
}

.knob:active {
    cursor: grabbing;
}

.knob::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 26px;
    width: 3px;
    height: 18px;
    background: #00ffff;
    border-radius: 2px;
    box-shadow: 0 0 6px #00ffff;
    transform-origin: bottom center;
}

select {
    width: 100%;
    margin-top: 6px;
    font-family: 'VT323', monospace;
    font-size: 20px;
    background: #111;
    color: #00ffff;
    border: 2px solid #b142f5;
    padding: 4px;
    border-radius: 6px;
    box-shadow: 0 0 8px #4a0080;
}

.visualizer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.viz-box {
    background: rgba(0,0,0,0.4);
    border: 2px solid #00ffff;
    padding: 8px;
    border-radius: 6px;
    box-shadow: 0 0 10px #00ffff;
}

.viz-box h3 {
    text-align: center;
    font-size: 18px;
    margin-top: 0;
}

#oscilloscope,
#spectrum,
#crtMeter,
#magicOrb {
    width: 100%;
    height: 120px;
    background: #000;
    border: 2px solid #4a0080;
    box-shadow: 0 0 8px #4a0080;
    display: block;
}

.keyboard {
    margin-top: 25px;
    display: grid;
    grid-template-columns: repeat(14, 1fr);
    gap: 4px;
}

.key {
    height: 80px;
    background: #050011;
    border: 2px solid #ff77ff;
    text-align: center;
    line-height: 80px;
    color: #ff77ff;
    user-select: none;
    cursor: pointer;
    box-shadow: 0 0 10px #4a0080 inset;
    font-size: 18px;
    transition: all 0.05s ease-in-out;
}

.key.active {
    background: #ff77ff;
    color: #000;
    box-shadow: 0 0 10px #ff77ff, inset 0 0 8px #fff;
    transform: translateY(2px);
}

#bpmDisplay {
    color: #00ffff;
    font-size: 20px;
    margin-left: 10px;
    text-shadow: 0 0 6px #00ffff;
}

@media (max-width: 650px) {
    .synth-grid {
        grid-template-columns: 1fr;
    }

    .visualizer-grid {
        grid-template-columns: 1fr;
    }

    .keyboard {
        grid-template-columns: repeat(7, 1fr);
    }
}