body { font-family: sans-serif; background-color: #121212; color: white; margin: 0; padding: 20px; }
.container { display: flex; gap: 20px; }
.guide { flex: 1; background: #1e1e1e; padding: 15px; border-radius: 8px; max-height: 80vh; overflow-y: auto; }
.player-container { flex: 2; }
.channel-item { padding: 15px; border-bottom: 1px solid #333; cursor: pointer; transition: background 0.2s; }
.channel-item:hover { background: #333; }
.channel-name { font-weight: bold; font-size: 1.1em; }
video { width: 100%; border-radius: 8px; background: black; }