* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    background-color: #212121;
    height: 100vh;
    overflow: hidden;
    padding: 20px 0;
    margin: 0;

    padding: 20px 0;
}

#pdf-container {
    width: 95vw;
    margin: 0 auto;
    height: calc(100vh - 100px);
    overflow-x: auto;
    overflow-y: auto;
    white-space: nowrap;
}

canvas {
    display: block;
    margin: 0 auto;
    max-width: none;
    pointer-events: none;
}

#controls {
    text-align: center;
    margin-bottom: 20px;
}

#controls button {
    padding: 10px 20px;
    margin: 0 10px;
    font-size: 16px;
    cursor: pointer;
}