body {
    display: flex;
    /* justify-content: center; */
    align-items: center;
    flex-direction: column;
    height: 100vh;
    background-color: #f4f4f4;
    font-family: Arial, Helvetica, sans-serif;
    letter-spacing: 0.02em;
}

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    line-height: 2;
}

main {
    /* align-self: flex-start; */
    max-width: 800px;
    display: flex;
    width: 100%;
    margin-bottom: 20px;
    /* flex: 1; */
    flex-direction: column;
    padding: 0px 20px;
}


.modal {
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2);
}

.modal-content {
    position: absolute;
    background-color: white;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /* align-items: stretch; */
    border-radius: 20px;
    padding: 20px;
}

.modal-content > div:first-child {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.modal-content > div:nth-child(2) {
    /* align-items: flex-end; */
    align-self: flex-end;
}

.modal-content > div:first-child p:first-child {
    font-size: 1.3em;
    font-weight: bold;
}

.modal-content > div:first-child p:last-child {
    color: red;
    font-size: 0.9em;
}

.modal-content input {
    border-radius: 10px;
    border: none;
    border: 2px solid black;
    padding: 0px 10px;
}

.cancel-btn {
    background-color: white;
    padding: 3px 10px;
    border: 2px solid black;
    border-radius: 8px;
}

.cancel-btn:hover {
    background-color: lightgrey;
    border-color: grey;
    color: white;
}

.add-course-btn {
    background-color: black;
    color: white;
    border: none;
    padding: 3px 10px;
    border-radius: 8px;
}

.add-course-btn:hover {
    opacity: 0.8;
}

.add-course-btn:active {
    opacity: 1;
}

.hidden {
    display: none;
}

main > p:first-child {
    align-self: flex-start;
    /* font-weight: bold; */
    font-size: 1.2em;
    margin-top: 20px;
}

.course-upload {
    color: white;
    padding: 0 9px;
    border-radius: 5px;
    border: none;
    background-color: rgb(133, 133, 133);
}

.open-modal-button {
    padding: 0 9px;
    font-size: inherit;
    border-radius: 5px;
    color: white;
    background-color: black;

    border: none;
}

.course-upload:hover,
.open-modal-button:hover {
    opacity: 0.8;
    /* background-color: #333; */
}

.course-upload:active,
.open-modal-button:active {
    opacity: 1;
    /* background-color: #222; */
}

main > div:first-of-type {
    display: flex;
    gap: 10px;
}

.course-upload input[type="file"] {
    display: none;
}

#courses {
    display: flex;
    flex-direction: column;
    margin-top: 20px;
    gap: 15px;
    margin-bottom: 20px;
}

/* #courses > * {
    text-align: center;
    border-bottom: 1px solid grey;
} */

/* #courses > div {
    display: flex;
    align-items: center;
    border-bottom: 1px solid grey;
    justify-content: flex-end;
}

#courses > div > div {
    display: flex;
    width: 50%;
    align-items: center;
    justify-content: space-between;
}

#courses > div > div p {
    text-align: center;
    line-height: 1;
} */

.course {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    border-bottom: 1px solid grey;
    justify-content: center;
}

.course svg {
    /* bottom: 0; */
    /* top: 0; */
    /* transform: translateY(-50%); */
    position: absolute;
    right: 0
}

#courses svg {
    width: 30px;
    height: 30px;
}

#courses svg:hover {
    border-radius: 50%;
    background-color: lightgrey;
}

#courses svg:active {
    background-color: transparent;
}

#empty-courses {
    font-size: 2em;
    text-align: center;
    color: rgb(133, 133, 133);
}

.nav {
    width: 100%;
    padding: 5px 0;
    /* border-bottom: 1px solid #000; */
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.5);
}

.nav p {
    text-align: center;
    line-height: 2;
    font-weight: bold;
    font-size: 1.6em;
}

#next-page {
    align-self: flex-end;
    padding: 7px 20px;
    font-size: inherit;
    border-radius: 5px;
    color: white;
    background-color: black;

    border: none;
}

#next-page:hover {
    opacity: 0.8;
}

#next-page:active {
    opacity: 1;
}

@media only screen and (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .course {
        padding: 3px 0;
    }

    .course p {
        margin: 0;
        /* padding: 3px 0; */
    }

    #courses svg {
        width: 25px;
        height: 25px;
        /* bottom: 1; */
    }

    .modal-content {
        width: 300px;
        height: 160px;
    }

    .modal-content > :nth-child(2) {
        display: flex;
        gap: 8px;
    }



    main p {
        line-height: 1;
        margin-bottom: 12px;
    }
    /* Styles for mobile devices */
    main > div {
        	margin-bottom: 12px;
    }

}