body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #121212;
    color: white;
}

header { padding: 1rem; background-color: #1f1f1f; text-align: center; }

.container {
    display: flex;
    flex-wrap: wrap;
    padding: 20px;
    gap: 20px;
}

.video-section { flex: 3; min-width: 300px; }
.video-player video { width: 100%; border-radius: 8px; }

.chat-section {
    flex: 1;
    background: #1f1f1f;
    padding: 15px;
    border-radius: 8px;
    min-width: 250px;
}

.chat-box { height: 400px; overflow-y: scroll; margin-bottom: 10px; }