transform: translateY(-3px);
box-shadow: 8px 8px 16px #0a0a0a, -8px -8px 16px #2e2e2e;
}

.control-btn.play {
background: linear-gradient(145deg, var(--success-color), #3d8b40);
}

.control-btn.stop {
background: linear-gradient(145deg, var(--danger-color), #c62828);
}

.control-btn.record {
background: linear-gradient(145deg, var(--warning-color), #e65100);
}

.control-btn.save {
background: linear-gradient(145deg, var(--secondary-color), #1565c0);
}

/* 节奏模式选择器 */
.patterns-section {
padding: 25px 30px;
border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pattern-selector {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
gap: 12px;
}

.pattern-btn {
padding: 12px 15px;
background: rgba(255, 255, 255, 0.05);
border: 1px solid rgba(255, 255, 255, 0.1);
border-radius: var(--border-radius);
color: var(--text-primary);
cursor: pointer;
transition: var(--transition);
text-align: center;
font-weight: 500;
}

.pattern-btn:hover {
background: rgba(255, 255, 255, 0.1);
transform: translateY(-3px);
}

.pattern-btn.active {
background: var(--primary-color);
border-color: var(--primary-color);
box-shadow: 0 5px 15px rgba(255, 107, 53, 0.3);
}

/* 音效控制 */
.mixer-section {
padding: 25px 30px;
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 20px;
}

.slider-container {
margin-bottom: 15px;
}

.slider-label {
display: flex;
justify-content: space-between;
margin-bottom: 8px;
font-weight: 500;
}

.slider-value {
color: var(--accent-color);
font-weight: 600;
}

.slider {
width: 100%;
height: 8px;
border-radius: 4px;
background: rgba(255, 255, 255, 0.1);
outline: none;
-webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
-webkit-appearance: none;
width: 20px;
height: 20px;
border-radius: 50%;
background: var(--primary-color);
cursor: pointer;
box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.slider::-moz-range-thumb {
width: 20px;
height: 20px;
border-radius: 50%;
background: var(--primary-color);
cursor: pointer;
border: none;
box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* 输出日志 */
.output-section {
padding: 25px 30px;
background: rgba(0, 0, 0, 0.3);
}

.output-container {
background: rgba(0, 0, 0, 0.5);
border-radius: var(--border-radius);
padding: 20px;
max-height: 200px;
overflow-y: auto;
font-family: 'Courier New', monospace;
font-size: 0.9rem;
}

.output-line {
margin: 8px 0;
padding: 10px 15px;
background: rgba(255, 255, 255, 0.05);
border-radius: 6px;
border-left: 3px solid var(--primary-color);
animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
from { opacity: 0; transform: translateX(-10px); }
to { opacity: 1; transform: translateX(0); }
}

/* 响应式设计 */
@media (max-width: 768px) {
.drum-machine-title {
font-size: 2.2rem;
}

.drum-pads-grid {
grid-template-columns: repeat(2, 1fr);
}

.sequencer-grid {
grid-template-columns: 80px repeat(8, 1fr);
min-width: 600px;
}

.controls-section {
grid-template-columns: 1fr;
}

.pattern-selector {
grid-template-columns: repeat(2, 1fr);
}
}

/* 加载动画 */
.loading-spinner {
display: inline-block;
width: 20px;
height: 20px;
border: 3px solid rgba(255, 255, 255, 0.3);
border-radius: 50%;
border-top-color: var(--primary-color);
animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
to { transform: rotate(360deg); }
}

/* 状态指示器 */
.status-indicator {
display: inline-block;
width: 10px;
height: 10px;
border-radius: 50%;
margin-right: 8px;
}

.status-ready { background: var(--success-color); }
.status-working { background: var(--warning-color); }
.