/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #000;
    overflow: hidden;
    font-family: 'Courier New', monospace;
}

/* 画布样式 */
#matrixCanvas {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
}

/* 控制按钮样式 */
.controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
}

.control-btn {
    padding: 8px 16px;
    background-color: rgba(0, 255, 0, 0.3);
    color: #0f0;
    border: 1px solid #0f0;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    transition: all 0.3s;
}

.control-btn:hover {
    background-color: rgba(0, 255, 0, 0.5);
    box-shadow: 0 0 10px #0f0;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .controls {
        flex-wrap: wrap;
        justify-content: center;
        width: 90%;
    }
    
    .control-btn {
        flex: 1 0 40%;
    }
}