body {
  margin: 0;
  background: #000;
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
}

.container {
  display: flex;
  height: 100vh;
}

/* PLAYER FRAME */
.player-frame {
  flex: 3;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000;
}

.player-frame video {
  width: 1280px;
  height: 720px;
  max-width: 100%;
  max-height: 100%;
  background: black;
  border: 3px solid #222;
  border-radius: 8px;
}

/* SIDEBAR */
.sidebar {
  flex: 1;
  background: #111;
  padding: 10px;
  overflow-y: auto;
}

.sidebar input,
.sidebar button {
  width: 100%;
  padding: 8px;
  margin-bottom: 8px;
  background: #222;
  color: white;
  border: none;
}

.sidebar button:hover {
  background: #333;
  cursor: pointer;
}

/* GROUP */
.group-title {
  margin-top: 10px;
  padding: 6px;
  background: #1b1b1b;
  font-weight: bold;
  font-size: 14px;
  border-left: 4px solid #ffcc00;
}

/* CHANNEL ITEM */
.channel {
  display: flex;
  align-items: center;
  padding: 8px;
  cursor: pointer;
  border-bottom: 1px solid #333;
}

.channel:hover {
  background: #222;
}

.channel img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  margin-right: 10px;
  background: #000;
  border-radius: 4px;
}

.channel span {
  font-size: 14px;
}