@import url('https://fonts.googleapis.com/css2?family=Lobster&family=ZCOOL+XiaoWei&display=swap');

header {
    width: 100%;
    height: 80vh;
    background: url(./assets/images/atom1.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    user-select: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-size: 1rem;
    font-weight: 400;
    color: #212529;
    overflow: scroll;
    overflow: overlay;
}

.logo-container {
    display: flex;
    align-items: center;
    padding-top: 20px;
    justify-content: space-around;
}

.logo-text {
    font-size: 2rem;
    color: white;
    background-color: #5957576b;
    padding: 10px;
    border-radius: 20px;
    font-family: 'Lobster', cursive;
    text-align: center;
}

nav {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 50px;
    height: 10%;
    background: rgba(89, 87, 87, 0.7);
    color: white;
    z-index: 5;
}

nav.open {
    background: white;
    height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    position: fixed;
    margin: 0;
    top: 0;
    left: 0;
}

nav.active {
    position: fixed;
    top: 0;
    margin-top: 0;
    height: 8%;
}


.links>li>a {
    transition: color 0.5s;
}

.links>li>a:hover {
    color: #ffc107;
}

.links {
    width: 70%;
    display: flex;
    justify-content: space-around;
    font-size: 1.2rem;
    font-weight: bold;
    transition: 1s;
}

.main {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.main-text {
    font-size: 2rem;
    font-family: serif;
    text-align: center;
    user-select: none;
}

.main-alt-text {
    margin-top: 2rem;
    font-size: 1.25rem;
    text-align: center;
    font-weight: bold;
    user-select: none;
}

.table-container {
    margin-top: 2rem;
    width: 80%;

}

table {
    font-family: arial, sans-serif;
    border-collapse: collapse;
    width: 100%;
}

td,
th {
    border-top: 1px solid #dddddd;
    text-align: left;
    padding: 0.75rem;
}

tr:nth-child(odd) {
    background-color: #dddddd;
}

td:nth-child(odd) {
    font-size: 1rem;
    font-weight: bold;
}

td:nth-child(even) {
    font-size: 0.9rem;
    font-weight: lighter;
}

.current-issue {
    color: #007bff;
}

td>a:hover {
    text-decoration: underline;
    color: #007bff;
    transition: 0.5s;
}

.current-issue:hover {
    text-decoration: underline;
}

.main-content {
    width: 80%;
    margin-top: 1rem;
    display: flex;
}

.main-content>img {
    height: 100%;
    width: 25%;
}

.main-content-text {
    padding-left: 2rem;
    width: 75%;
}

.main-content-text>h2 {
    text-align: center;
}

.main-content-text>p {
    font-size: 1.1rem;
    margin-top: 1rem;
    line-height: 1.5rem;
    text-align: justify;
}

footer {
    background: rgba(226, 226, 226, 1);
    text-align: center;
    margin-top: 2rem;
    padding: 5px;
}

.center {
    top: 6%;
    transform: translate(-50%, -50%);
    position: fixed;
    width: 25px;
    cursor: pointer;
    right: 15px;
    display: none;
    z-index: 1000;
}

.center:before,
.center:after,
.center div {
    background: white;
    content: "";
    display: block;
    height: 3px;
    border-radius: 3px;
    margin: 4px 0;
    transition: 0.5s;
}

.center.active:before {
    transform: translateY(7px) rotate(135deg);
    background: black;
}

.center.active:after {
    transform: translateY(-7px) rotate(-135deg);
    background: black;
}

.center.active div {
    transform: scale(0);

}


.center.scrolled:before,
.center.scrolled:after,
.center.scrolled div {
    background: black;
}



::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.5);
}


::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.6);
}

h1,
h2,
h3 {
    text-align: center;
}

.send-file {
    font-size: 1.3rem;
}

.upload-article {
    width: 80%;
    display: flex;
    justify-content: center;
    margin-top: 1rem;
    left: 25%;
    transform: translateX(12.5%);
}

.upload-link {
    background-color: #212529;
    color: white;
    font-size: 1.2rem;
    padding: 0.8rem;
    border-radius: 2rem;
    transition: 0.5s;
}

.upload-link:hover {
    background-color: #121416;
    letter-spacing: 0.2rem;
}

i {
    color: red;
    font-size: 3rem;
}

.attention {
    margin-top: 2rem;
}