:root {
    --green-color: #5CB85C;
    --white-color: #ffffff;
    --light-grey-color: #bbbbbb;
    --grey-color: #999999;
    --black-color: #373a3c;
    --red-color: #b85c5c;
    --input-color: #66afe9;
    --dark-green-color: #3c8a3c;
}

.col-1 {
    width: 8.33%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-2 {
    width: 16.66%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-3 {
    width: 25%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-4 {
    width: 33.33%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-5 {
    width: 41.66%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-6 {
    width: 50%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-7 {
    width: 58.33%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-8 {
    width: 66.66%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-9 {
    width: 75%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-10 {
    width: 83.33%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-11 {
    width: 91.66%;
    padding-left: 15px;
    padding-right: 15px;
}
.col-12 {
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    font-family: 'Source Sans Pro', sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--black-color);
}

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

ul, li {
    list-style: none;
}

a {
    text-decoration: none;
    color: var(--green-color);
    cursor: pointer;
}

button {
    font-family: 'Source Sans Pro', sans-serif;
    background-color: transparent;
    cursor: pointer;
    border: 1px solid transparent;
}

.container {
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}
    @media (min-width: 544px) {
        .container {
            max-width: 576px; } 
    }
    @media (min-width: 768px) {
        .container {max-width: 720px; } 
    }
    @media (min-width: 992px) {
        .container {
            max-width: 940px; }
    }
    @media (min-width: 1200px) {
        .container {
            max-width: 1140px; }   
    }

.navbar {
    padding: 0.5rem 1rem;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar #logo {
    vertical-align: middle;
    width: 120px;
    height: auto;
    border-radius: 0;
}

.navbar .navbar-menu .nav-item {
    float: left;
    margin-left: 1rem;
    cursor: pointer;
    font-weight: 300;
}

.navbar .navbar-menu .nav-item .link {
    color: var(--light-grey-color);
}

.navbar .navbar-menu .nav-item a:hover {
    color: var(--black-color);
}

.navbar .navbar-menu .link.active {
    color: var(--black-color);
    font-weight: 400;
}

.navbar .navbar-menu .link.active:hover {
    filter: none;
}

.navbar .navbar-menu .nav-item .fas {
    font-size: 0.85rem;
}

/* banner */
.home-page .banner {
    background-color: var(--green-color);
    padding: 2rem;
    text-align: center;
    color: var(--white-color);
}

.home-page .banner .banner-title {
    font-family: 'Titillium Web',sans-serif;
    font-size: 3.5rem;
    text-shadow: 1px 1px 2px rgb(0,0,0,0.4);
    line-height: 1.1; 
    padding-bottom: 0.5rem;
}

.home-page .banner .banner-description {
    font-size: 1.5rem;
    font-weight: 300;

}

/* article */
.container.main {
    margin-top: 1.5rem;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
}

.toggle .nav {
    overflow: hidden;
    /* border-bottom: 1px solid rgb(0, 0, 0, 0.2); */
    margin-bottom: -1px;
}

.toggle .nav .nav-item {
    float: left;
    padding: 0.5rem 1rem;
    margin-bottom: -1px;
}

.toggle .nav .nav-item a {
    color: var(--light-grey-color);
}

/* 추가 */
.toggle .nav .nav-item div {
    color: var(--light-grey-color);
}

.toggle .nav .nav-item.active {
    float: left;
    padding: 0.5rem 1rem;
    margin-bottom: -1px;
    border-bottom: 3px solid var(--green-color);
}


.toggle .nav .nav-item.active a {
    cursor: default;
    color: var(--green-color);
}

/* 추가 */
.toggle .nav .nav-item.active div {
    cursor: default;
    color: var(--green-color);
}

.article {
    clear: both;
}

.article-preview, #article-loading, .noArticle {
    border-top: 1px solid rgb(0, 0, 0, 0.2);
    padding: 1.5rem 0;
}

.article-preview .article-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.article-meta .metadata {
    display: flex;
}

img {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
}

.article-meta .metadata .article-info {
    display: flex;
    flex-direction: column;
    font-weight: 300;
    margin-left: 0.5rem;
    line-height: 1rem;
    margin-right: 1.5rem;
}

.article-meta .metadata .article-info .name {
    font-weight: 500;
}

.article-info a:hover {
    text-decoration: underline;
    color: var(--dark-green-color);
}

.article-info .date {
    font-size: 0.8rem;
    color: var(--light-grey-color);
}

.favorite-btn {
    color: var(--green-color);
    font-weight: normal;
    line-height: 1.25;
    border: 1px solid transparent;
    cursor: pointer;
    border-color: var(--green-color);
    padding: 0.25rem 0.5rem;
    border-radius: 0.2rem;
    font-size: 0.8rem;
}

.favorite-btn i {
    font-size: 0.725rem;
    pointer-events: none;
}

.favorite-btn.active,
.favorite-btn:hover {
    color: var(--white-color);
    background-color: var(--green-color);
}

.favorite-btn span {
    pointer-events: none;
}

.preview-link h1{
    color: var(--black-color);
    line-height: 1.1;
    font-weight: 600;
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

.preview-link p {
    color: var(--grey-color);
    font-weight: 300;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.tag-data {
    display: flex;
    justify-content: space-between;
    color: var(--light-grey-color);
    font-weight: 300;
    font-size: 0.8rem;
}

.tag-list .tag {
    border: 1px solid #dddddd;
    border-radius: 10rem;
    padding: 0 0.5rem;
    color: var(--grey-color);
    font-weight: 300;
    font-size: 0.8rem;
    margin-left: 3px;
}

.aside {
    background-color: #f2f2f2;
    border-radius: 3px;
    padding: 5px 10px 10px 10px;
}

.home-page .aside .tag-list {
    display: inline-block;
}

.home-page .aside .tag-list .tag {
    color: var(--white-color);
    font-size: 0.8rem;
    padding-top: 0.1rem;
    padding-bottom: 0.1rem;
    white-space: nowrap;
    margin-right: 3px;
    margin-bottom: 0.2rem;
    display: inline-block;
    background-color: #818a92;
    margin-left: 0;
    font-weight: normal;
    border: none;
}

.home-page .aside .tag-list .tag:hover, 
.home-page .aside .tag-list .tag.active {
    background-color: #646d74;
}

.home-page #article-list .more-button {
    float: right;
    margin-top: 0.6rem;
    margin-bottom: 1.2rem;
    border: 1px solid #818a92;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
}

.home-page #article-list .more-button:hover {
    background-color: #dddddd;
}

#loading {
    display: inline-block;
    position: absolute;
    left: 33%;
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255,255,255, 0.1);
    border-radius: 50%;
    border-top-color: #aaa;
    animation: spin 1s ease-in-out infinite;
    -webkit-animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { -webkit-transform: rotate(360deg); }
}
@-webkit-keyframes spin {
  to { -webkit-transform: rotate(360deg); }
}

/* Sign in & Sign up */
.container .col-6 {
    text-align: center;
    float: none;
    margin: auto;
}

.container .col-6 .sign-in-title {
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.container .col-6 p {
    text-align: center;
    margin-bottom: 1rem;
}

.container .row .col-6 a:hover {
    text-decoration: underline;
    color: var(--dark-green-color);
}

.container .col-6 .form-data {
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-data .form-control {
    padding: 0.8rem 1.5rem;
    font-size: 1.25rem;
    border-radius: 0.3rem;
    width: 100%;
    line-height: 1.25;
    color: var(--black-color);
    border: 1px solid #dddddd;
    font-family: 'Source Sans Pro', sans-serif;
}

input::placeholder,
textarea::placeholder{
    color: var(--grey-color);
}

.form-control:focus {
    outline: none;
    border-color: var(--input-color);
}

.btn-signIn, 
.btn-signUp, 
.btn-settings,
.btn-card {
    padding: 0.8rem 1.5rem;
    font-size: 1.1rem;
    border-radius: 0.3rem;
    border-color: var(--green-color);
    background-color: var(--green-color);
    color: var(--white-color);
}

button:last-child {
    align-self: end;
}

.navbar-menu .username {
    display: flex;
    align-items: center;
}

.navbar-menu .nav-item img {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    vertical-align: middle;
}

/* editor */
.container .col-10 {
    text-align: center;
    float: none;
    margin: auto;
}

.container .col-10 .form-data {
    margin-bottom: 1rem;
}

.form-data .form-control-sm {
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
}

textarea {
    resize: vertical;
    font-family: 'Source Sans Pro', sans-serif;
}

.editor-page .tag-list { 
    /* margin-top: 0.5rem; */
    flex-wrap: wrap;
}

.editor-page .tag-list .tag {
    display: flex;
    align-items: center;
    margin-bottom: 0.2rem;
    margin-right: 3px;
    margin-left: 0;
    padding-top: 0.1rem;
    background-color: #818a92;
    color: var(--white-color);
    font-weight: normal;
    border: none;
}

.editor-page .tag-list .tag i {
    margin-left: 3px;
}

.editor-page .tag-list .tag i:hover {
    cursor: pointer;
}

.editor-page .form-data .tag-form {
    margin-bottom: 0.2rem;
}

/* Article Banner */
.article-page .banner {
    background-color: var(--black-color);
    padding: 2rem;
    color: var(--white-color);
}

.article-page .banner .article-banner-title {
    font-size: 2.8rem;
    font-weight: 600;
}

.article-page .banner .article-meta {
    margin-top: 2rem;
}

.article-page .banner .article-info .name {
    color: var(--white-color);
}

.article-page .banner .article-info .name:hover {
    filter: none;
}

.article-page .edit-article,
.article-page .follow-btn {
    color: var(--light-grey-color);
    border: 1px solid var(--light-grey-color);
    margin-right: 3px;
    font-weight: 400;
    font-size: 0.9rem;
}

.article-page .edit-article:hover,
.article-page .follow-btn:hover {
    color: var(--white-color);
    background-color: var(--light-grey-color);
}

.article-page .follow-btn.active {
    color: var(--white-color);
    background-color: var(--light-grey-color);
}

.article-page .delete-article {
    color: var(--red-color);
    border-color: var(--red-color);
    font-weight: 400;
    font-size: 0.9rem;
}

.article-page .favorite-btn {
    font-weight: 400;
    font-size: 0.9rem;
}

.article-page .delete-article:hover {
    color: var(--white-color);
    background-color: var(--red-color);
}

.article-page .article-content pre{
    font-family: 'Source Serif Pro', serif;
    font-size: 1.25rem;
    line-height: 1.8rem;
    margin-bottom: 2rem;
    white-space: pre-line;
}

.tag-list {
    display: flex;
}

.article-page .tag-list .tag {
    margin-left: 0 !important;
    margin-right: 3px;
}

.article-page .article-content ul {
    padding-bottom: 1rem;
}

.article-page .col-12 {
    padding: 0;
}

.article-page .article-actions {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
    margin-bottom: 3rem;
}

.article-page .row {
    display: flex;
    justify-content: center;
}
.card {
    margin-bottom: 0.75rem;
    border-radius: 0.25rem;;
}

.form-control {
    display: block;
    width: 100%;
    font-size: 1rem;
    color: var(--black-color);
    line-height: 1.25;
    border-radius: 0.25rem;
}
.article-page .card {
    border: 1px solid #eeeeee;
    box-shadow: none;
}

.article-page .comment-form .card-block {
    padding: 0;
}

.article-page .comment-form .card-block textarea {
    border: 0px;
    padding: 1.25rem;
}

.card-footer {
    padding: 0.75rem 1.25rem;
    background-color: #f5f5f5;
}

.article-page .comment-form .card-footer {
    display: flex;
    justify-content: space-between !important;
    align-items: center;
}

.article-page .card .card-footer {
    border-top: 1px solid #eeeeee;
    box-shadow: none;
    font-size: 0.8rem;
    font-weight: 300;
}

.article-page .card .card-footer .date-posted {
    color: var(--light-grey-color);
}

.card-footer:last-child {
    border-radius: 0 0 0.25rem 0.25rem;
}

.article-page .comment-form .card-footer .comment-img {
    height: 30px;
    width: 30px;
}

.article-page .comment-form .card-footer .btn {
    font-weight: 700 !important;
}

.card-block {
    padding: 1.25rem;
}

.article-page .card .comment-img {
    width: 20px;
    height: 20px;
    margin-right: 5px;
}

.article-page .card .card-footer .comment-author:hover {
    text-decoration: underline;
    color: var(--dark-green-color);
}

.article-page .card .date-posted {
    margin-left: 5px;
}

.article-page .card .card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-page .card .card-footer i {
    color: var(--grey-color);
    cursor: pointer;
}

.article-page .card .card-footer i:hover {
    color: rgba(0, 0, 0, 0.8);
}

.article-page .card .card-footer .user-info {
    display: flex;
    align-items: center;
}

/* settings */
hr {
    width: 100%;
    margin-top: 1rem;
    margin-bottom: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    box-sizing: content-box;
}

.btn-logout {
    float: left;
    color: var(--red-color);
    border-color: var(--red-color);
    padding: 0.5rem 1rem;
    border-radius: 0.3rem;
    font-size: 1rem;
    font-weight: normal;
    line-height: 1.25;
}

.btn-logout:hover {
    background-color: var(--red-color);
    color: var(--white-color);
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    border-radius: 0.2rem;
    font-weight: 100;
}

/* user-page */
.user-page .user-info {
    background-color: #eeeeee;
    padding: 2rem 0 1rem 0;
}

.user-page .user-info .user-img {
    width: 100px;
    height: 100px;
    border-radius: 100px;
    margin-bottom: 1rem;;
}

.user-page .user-info h4 {
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.user-page .user-info .action-btn {
    float: right;
    color: var(--grey-color);
    border: 1px solid var(--grey-color);
    font-weight: normal;
}

.user-page .article-preview {
    text-align: start;
}


/* modal.jsp */
#modal-container {   
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.3);
}

.modal-body {
    z-index: 10000;
    position: absolute;
    padding: 30px 40px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    background: var(--white-color);
    cursor: default;
    width: 60%;
    height: 30%;
    margin: auto;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    border-color: rgba(0, 0, 0, 0.3);
    border-style: groove;
    border-radius: 1rem;
}

.modal-message {
    padding-bottom: 40px;
    font-size: 2rem;
    font-family: 'Nanum Gothic', sans-serif;
    color: var(--green-color);
}

.modal-close-btn {
    position: relative;
    background-color: var(--green-color);
    color: var(--white-color);
    font-weight: 700;
    font-family: 'Nanum Gothic', sans-serif;
    width: 5rem;
    height: 2rem;
    border-radius: 0.3rem;
    cursor: pointer;
    margin: 0 auto;
    margin-top: 1rem;
}