JSFiddle - React, Tailwind, and code Playground

HTML

<div class="playlist">
  <div class="container">
    <h3 class="playlist__title">Title</h3>

    <div class="playlist__box">
      <div class="main-video">
        <div class="video">
          <video src="video/3.mp4" controls muted></video>
          <h3 class="video__title">01. Video title</h3>
        </div>
      </div>

      <div class="video-lsit">
        <div class="vdi active">
          <video src="video/3.mp4" controls muted></video>
          <h3 class="video__title">01. Video title</h3>
        </div>
        <div class="vdi">
          <video src="video/3.mp4" controls muted></video>
          <h3 class="video__title">02. Video title</h3>
        </div>
        <div class="vdi">
          <video src="video/3.mp4" controls muted></video>
          <h3 class="video__title">03. Video title</h3>
        </div>
        <div class="vdi">
          <video src="video/3.mp4" controls muted></video>
          <h3 class="video__title">04. Video title</h3>
        </div>
        <div class="vdi">
          <video src="video/3.mp4" controls muted></video>
          <h3 class="video__title">05. Video title</h3>
        </div>
        <div class="vdi">
          <video src="video/3.mp4" controls muted></video>
          <h3 class="video__title">06. Video title</h3>
        </div>
      </div>

    </div>
  </div>
</div>

SCSS

*,*::after,*::before{
    margin: 0; padding: 0;
    box-sizing: border-box;
    font-family: "montserrat";
    font-size: 16px;
}
video{
    width: 100%;
}
.container{
    max-width: 1200px;
    margin: 100%;
    margin: 0 auto;
}
.playlist__box{
    display: grid;
    grid-template-columns: 70% 30%;
    gap: 15px;
    align-items: flex-start;
}
.playlist__title{
    font-size: 18px;
    line-height: 1.5;
    color: #000;
    font-weight: normal;
    padding-bottom: 7px;
    position: relative;
    margin-bottom: 35px;
}
.playlist__title::after{
    position: absolute;
    content: '';
    background-color: #de0001;
    height: 2px; width: 50px;
    bottom: 0; left: 0;
}
.main-video .video__title{
    font-size: 24px;
    font-weight: 600;
    margin-top: 15px;
    color: #222222;
}
.video__title{
    font-size: 16px;
    font-weight: 500;
    color: #222222;
}
.video-lsit{
    height: calc(100% - 48px);
    overflow-y: scroll; 
    padding: 3px;
    padding-right: 8px;
}
.vdi{
    background: #fff;
    border: 1px solid #f7f7f7;
    border-radius: 5px;
    box-shadow: 0px 0px 2px rgb(241, 241, 241);
    padding: 21px 5px 21px 15px;
    transition: all .3s;
    cursor: pointer;
}
.vdi:hover{
    background: rgb(247, 247, 247);
}
.vdi + .vdi{
    margin-top: 12px;
}
.video-lsit::-webkit-scrollbar{
    width: 7px;
}
.video-lsit::-webkit-scrollbar-track{
    background: #ccc;
    border-radius: 50px;
}
.video-lsit::-webkit-scrollbar-thumb{
    background: #888;
    border-radius: 50px;
}
.video-lsit .vdi video{
    display: none;
}
.vdi.active{
    background: #de0001;
}
.vdi.active .video__title{
    color: #fff;
}
@media (max-width: 1222px){
    .container{
        padding: 0 10px;
    }
}
@media (max-width: 1140px){
    .playlist__box{
        grid-template-columns: 60% 40%;
        padding-right: 8px;
    }
    .video-lsit{
        height: calc(100% - 100px);
    }
}
@media (max-width: 1050px){
    .playlist__box{
        grid-template-columns: 70% 30%;
    }
 ...

JavaScript

let listVideo = document.querySelectorAll(".video-lsit .vdi");
let mainVideo = document.querySelector(".main-video video");
let title = document.querySelector(".main-video .video__title");

Array.from(listVideo).forEach((video) => {
  video.onclick = () => {
    Array.from(listVideo).forEach((vid) => vid.classList.remove("active"));
    video.classList.add("active");
    if (video.classList.contains("active")) {
      let src = video.children[0].getAttribute("scr");
      mainVideo.src = src;
      let text = video.children[1].innerHTML;
      title.innerHTML = text;
    }
  };
});