body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(120deg, #4e54c8, #8f94fb);
    color: white;
}

h1 {
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    position: absolute;
    top: 20px;
}

.container {
    display: flex;
    justify-content: space-between;
    width: 90%;
    max-width: 1200px;
}

#video-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    flex: 0 0 65%;
}

video {
    width: 100%;
    border: 3px solid #ffffff;
    border-radius: 5px;
    margin-bottom: 20px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    margin: 5px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background: #ffffff;
    color: #4e54c8;
    transition: background 0.3s, color 0.3s;
}

button:hover {
    background: #4e54c8;
    color: #ffffff;
}

#data-container {
    background: rgba(255, 255, 255, 0.9);
    color: #000;
    border-radius: 5px;
    width: 30%;
    max-height: 800px;
    overflow-y: auto;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

#data-container pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.hidden {
    display: none;
}