body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    height: 100vh;
    background-color: #133;
}
#sidebar {
    width: 300px;
    padding: 20px;
    color:aquamarine;
    background: darkslategray;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 10;
}
#pdf-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    scroll-behavior: auto;
}
video {
    width: 100%;
    transform: scaleX(-1); /* Mirror view */
    border-radius: 8px;
    background: #000;
}
.status {
    font-weight: bold;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
}
.loading { background: #856404; color: #ffeeba; }
.ready { background: #155724; color: #d4edda; }
canvas {
    box-shadow: 0 4px 8px rgba(255,155,255,0.2);
    max-width: 100%;
    background: black;
}