* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow-x: hidden;
}

.wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background: #333;
    color: white;
    height: 60px;
    text-align: center;
    align-content: center;
    position: relative;
}

main {
    flex: 1;
    overflow-y: scroll;
    display: flex;
    flex-direction: column;
    margin-right: 20vw;
}

footer {
    background: #333;
    color: white;
    height: 60px;
    text-align: center;
    align-content: center;
}

.menu_wrapper {
    position: absolute;
    top: 0;
    right: 0;
    display: block;
    z-index: 500;
}

.menu_toggle {
    position: absolute;
    right: 30px;
    top: 30px;
    transform: translate(+50%, -50%);
    width: 30px;
    height: 30px;
    /* background: #00689100; */
    cursor: pointer;
    z-index: 1000;
    appearance: none;
    display: none;
}

.menu_toggle::before {
    content: "";
    display: block;
    position: relative;
    top: 7px;
    left: 5px;
    width: 18px;
    height: 2px;
    background: white;
    box-shadow: 0 6px 0 white, 0 12px 0 white;
}

nav {
    position: relative;
    top: 60px;
    width: 20vw;
    height: 100vh;
    height: calc(100vh - 120px);
    background: #2196F3;
    z-index: 500;
    padding: 16px;
    color: white;
    right: 0;
}


nav h3 {
    height: 60px;
    display: none;
}

nav ul {
    overflow-y: scroll;
    height: 100%;
    list-style: none;
    text-align: center;
}

nav li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}


/* video */
.video_container {
    padding: 30px 60px;
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.video_wrapper {
    flex-grow: 1;
    max-width: 800px;
}

.video_iframe {
    aspect-ratio: 16/9;
    border-radius: 4px;
    color: white;
    border: none;
    background: #888;
    display: block;
    width: 100%;
    /* height: 55vh; */
    max-height: 452px;
}

.video_description {
    flex-shrink: 0;
    font-size: 1.2rem;
    font-weight: bold;
    width: 100%;
}
.video_description h2{
    margin-bottom: 15px;
}
.video_description pre {
    white-space: pre-wrap;       /* allows wrapping */
    word-break: break-word; 
}


.rabbeim {
    display: flex;
    height: 160px;
    flex-shrink: 0;
    background: #ccc;
    flex-direction: column;
    flex-wrap: wrap-reverse;
    padding: 5px 5px 10px 60px;
    justify-content: space-between;
    overflow-x: scroll;
}

.rabbeim div {
    text-align: center;
}

.rabbeim div p {
    padding: 8px 10px;
    height: 60px;
    width: 120px;
    background-color: #2196F3;
    align-content: center;
    color: white;
}

.rabbeim div p a {
    color: inherit;
    text-decoration: none;
}

nav li a {
    color: inherit;
    text-decoration: none;
}

.directory {
    margin-left: 60px;
    background: #ccc;
    width: fit-content;
    padding: 2px 20px 2px 5px;
    border: 3px solid;
}

.back_icon {
    position: absolute;
    left: 30px;
    top: 30px;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    cursor: pointer;
    z-index: 1000;
    color: white;
}

@media (max-width: 600px) {
    .video_wrapper {
        width: 80vw;
    }

    .rabbeim {
        padding-right: 0;
        /*60px;*/
        padding-left: 0;
    }

    .rabbeim div p {
        margin: auto;
    }

    .menu_toggle {
        display: block;
    }

    nav {
        top: 0;
        height: 100vh;
    }

    nav ul {
        height: calc(100% - 60px);
    }

    nav h3 {
        display: block;
    }

    main {
        margin-right: 0;
    }

    nav {
        width: 200px;
    }

    .menu_wrapper {
        /* display: none; */
        transition: right 0.3s ease-out;
        right: -200px;
    }

    .menu_toggle:checked~.menu_wrapper {
        /* display: block; */
        right: 0px;
    }
    .video_container {
        padding: 30px 15px;
    }
}