body {
    margin: 0;
    padding: 0;
    background-color: #fff;
    color: #333;
    font-family: sans-serif;
    font-weight: 400;
    word-break: keep-all;
    line-height: 1.6;
    font-size: 1em;

    /* readability */
    text-shadow: 0 0 0.1px rgba(0, 0, 0, 0.3);
    -webkit-text-size-adjust: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    -moz-font-smoothing: antialiased;
    text-rendering: optimizelegibility;
}

/* Header */

.header-content {
    padding: 0;
    margin: 0;
    height: 42px;
    width: 100%;
    background-color: #fff;
    border-bottom: 1px solid #ddd;
}

.top-header {
    max-width: 728px;
    margin: 0 auto;
    padding: 0 16px 0 16px;
    height: 100%;
}

.logo-container {
    padding: 0;
    margin: 0;
    height: 100%;
}

.vertical-center-helper {
    height: 100%;
    display: inline-block;
    vertical-align: middle;
}

.site-logo {
    height: 22px;
    width: auto;
    vertical-align: middle;
}

nav {
    height: 100%;
    vertical-align: middle;
    float: right;
    font-size: 11pt;
    color: #ddd;
}

nav a,
nav a:link,
nav a:visited,
nav a:hover,
nav a:active {
    text-decoration: none;
    color: #999;
}

/* search form */

.search-container {
    margin: 32px 0 32px 0;
    width: 100%;
}

.search-form {
    width: 100%;
    display: flex;
}

#search-keyword {
    flex: 2;
    font-size: 12pt;
    color: #666;
    padding: 8px 16px 8px 16px;
    margin-right: 16px;
    box-sizing: border-box;
    border: 1px dashed #ddd;
    border-radius: 8px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

input::placeholder {
    color: #bbb;
}

#search-button {
    font-size: 11pt;
    color: #666;
    padding: 8px 16px 8px 16px;
    background: #f4f4f4;
    border: 1px dashed #ddd;
    border-radius: 8px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/* content */

.content-container {
    max-width: 728px;
    margin: 0 auto;
    padding: 44px 16px 0px 16px;
}

.content {
    clear: both;
    width: 100%;
}

/* Small */
@media screen and (max-width: 640px) {
}

.archive-link {
    font-size: 1rem;
}

.title-date {
    font-size: 0.8rem;
    color: #788086;
}

#table-of-contents {
    margin-top: 1rem;
    margin-bottom: 3rem;
    padding: 0.8rem 1rem 0.8rem 1rem;
    border: 1px dashed #bcc2ce;
}

#table-of-contents h2 {
    margin: 0;
    font-size: 1.2rem;
    border-top: none;
    padding-top: 4px;
}

#table-of-contents h2 img {
    vertical-align: top;
    padding: 0;
    margin-top: 0rem;
    margin-bottom: 0rem;
    margin-right: 0.2rem;
    height: 1.4rem;
    width: auto;
}

#text-table-of-contents {
}

#text-table-of-contents ul {
    margin-top: 0;
    margin-bottom: 0;
}

.menu-item {
    text-transform: uppercase;
}

.menu-icon {
    margin-left: 0.2rem;
    margin-right: 0.2rem;
    height: 1.5rem;
    width: auto;
}

div.backlinks-container > hr,
div.refs-container > hr {
    width: 100%;
    border: 0.5px solid #bcc2ce;
    margin-top: 48px;
    margin-bottom: 48px;
    clear: both;
}

div.outline-text-2 > hr {
    width: 10%;
    border: 0.5px solid #788086;
    margin-top: 36px;
    margin-bottom: 36px;
    clear: both;
}

.content header {
    position: relative;
}

.content header h1 {
    font-size: 1.6rem;
    font-weight: bold;
    line-height: 1.2;
}

.content a,
.content a:link,
.content a:visited,
.content a:hover,
.content a:active {
    text-decoration: none;
    color: #2b7bb9;
}

.content p a,
.content p a:link,
.content p a:visited,
.content p a:hover,
.content p a:active {
    text-decoration: underline dotted #888;
    text-underline-offset: 4px;
}

.content h1,
h2,
h3,
h4,
h5,
h6 {
    padding-top: 0;
    padding-bottom: 0;
    font-weight: bold;
    margin: 0 auto;
    color: #333333;
}

.content h2 {
    font-size: 1.2rem;
    margin-top: 3.2rem;
    margin-bottom: 1.6rem;
    padding-top: 0;
    padding-bottom: 0;
    border-top: none;
}

.content h3 {
    font-size: 1rem;
    margin-top: 2.2rem;
    margin-bottom: 1.6rem;
}

.content h4 {
    font-size: 1rem;
    margin-top: 1rem;
    margin-bottom: 0.8rem;
}

.content p {
    margin: 0 auto;
    margin-top: 1.6rem;
    margin-bottom: 1.6rem;
}

.content i {
    font-size: 0.96rem;
    color: #666;
}

.content .external-link {
    padding: 0px 4px 0px 2px;
}

.content pre {
    max-width: 100%;
    margin-top: 1.6rem;
    margin-bottom: 1.6rem;
    padding: 1.2rem 1.2rem 1.2rem 1.2rem;
    color: #bcc2ce;
    background-color: #292c33;
    font-family: monospace;
    overflow-x: auto;
    line-height: 1.2rem;
    border-radius: 8px;
    font-size: 1.0rem;
    /*white-space: pre-wrap;*/
}

.content p code {
    padding: 2px 4px 2px 4px;
    font-family: monospace;
    background: #f4f4f4;
    font-size: 0.9rem;
}

.content pre code {
    padding: 0;
}

.content blockquote {
    margin: 32px 0 32px 0;
    padding-left: 24px;
    border-left: 2px solid #ee746f;
}

.content blockquote p {
    width: 100%;
    margin: 0;
    padding: 0;
    font-size: 1.2rem;
    font-style: italic;
}

.content ul, ol {
    padding-left: 24px;
    margin-top: 1.6rem;
    margin-bottom: 1.6rem;
}

.content li {
    margin-top: 0.40rem;
    margin-bottom: 0.40rem;
}

.content .org-ul li {
    padding-top: 0.32rem;
    padding-bottom: 0.32rem;
}

.content img {
    width: 100%;
    height: auto;
}

.content hr {
    margin: 48px auto 48px auto;
    max-width: 128px;
    border: none;
    border-top: 0.5px solid #888;
}

/*
.content table {
    margin: 0 auto;
    margin-top: 1.8rem;
    margin-bottom: 1.8rem;
}
 */

.content table {
    margin-top: 1.6rem;
    margin-bottom: 1.6rem;
    border-collapse: collapse;
    width: 100%;
}

.content table thead tr {
    background-color: #fafafa;
    border-bottom: 1px solid #eeeeee;
}

/* spacing between thead and tbody */
.content table tbody:before {
    content: "-";
    display: block;
    line-height: 10px;
    color: transparent;
}

.content table th {
    padding: 5px 14px 4px 14px;
}

.content table td {
    padding: 5px 14px 4px 14px;
}

.content em {
    font-size: 0.85rem;
    color: #888;
}

th.org-left {
    padding: 0.8rem 1rem 0.8rem 1rem;
}

td.org-left {
    padding: 0.8rem 1rem 0.8rem 1rem;
}

.youtube {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
}

.youtube iframe {
    position: absolute;
    width: 100%;
    height: 100%;
}

/* author */

.author-container {
    max-width: 728px;
    margin: 0 auto;
    margin-top: 32px;
    margin-bottom: 32px;
    padding: 0px 16px 0px 16px;
    display: flex;
    align-items: center;
    line-height: 1;
}

.author-image {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    margin-right: 16px;
}

.author-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 60%;
    background-color: #f7f7f7;
}

.author-detail {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.author-detail-container {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.author-name {
    margin: 0;
    padding: 0;
    font-size: 15px;
    margin-bottom: 2px;
}

.author-description {
    font-size: 13px;
    color: #888;
    margin-bottom: 4px;
}

.author-social {
    width: 100%;
    align-self: flex-end;
    margin-top: auto;
    font-size: 13px;
    color: #888;
}

.author-social a,
.author-social a:link,
.author-social a:visited,
.author-social a:hover,
.author-social a:active {
    text-decoration: none;
    color: #2b7bb9;
}

/* logarch - Blog Archives */

.logarch-container small {
    font-size: 0.8rem;
    color: #888;
    font-style: italic;
}

.logarch-desc {
    font-size: 0.9rem;
    color: #777;
}

.logarch-container li {
    font-size: 1.0rem;
    line-height: 1.4;
    margin: 12px 0 12px 0;
}

/* AD */

.top-ad-container {
    width: 100vw;
    padding: 0;
    margin: 30px 0 0 0;
    margin-left: calc(50% - 50vw);
    text-align: center;
}

.mid-ad-container {
    width: 100vw;
    padding: 0;
    margin: 0 0 30px 0;
    margin-left: calc(50% - 50vw);
    text-align: center;
}

.adsbygoogle {
    /* width: 100%; */
    max-width: 1024px;
    margin: 0 auto;
}

.ad {
    width: 100vw;
    padding: 0;
    margin: 48px 0 48px 0;
    margin-left: calc(50% - 50vw);
    text-align: center;
}

/* spliter */

.splitter-container {
    width: 100%;
    padding: 8px 0 36px 0;
}

.splitter-container hr {
    border: 0px;
    border-top: 1px solid #ddd;
}

/* refinfo and navinfo */

.refinfo-container {
    max-width: 728px;
    margin: 0 auto;
    padding: 0 16px 46px 16px;
    /* dispay: flex; */
    /* gap: 8px; */
}

.navinfo-container {
    width: 100%;
    display: flex;
    flex-direction: row;
    gap: 8px;
}

.navinfo-left-container {
    width: 70%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.navinfo-right-container {
    width: 30%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Small */
@media screen and (max-width: 640px) {
    .refinfo-container {
        flex-direction: column;
    }
    .navinfo-container {
        flex-direction: column;
    }
    .navinfo-left-container {
        width: 100%;
    }
    .navinfo-right-container {
        width: 100%;
    }
}

.refinfo-cluster {
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 8px 14px 8px 14px;
    flex: 1;
}

.refinfo-cluster ul {
    margin: 0;
    padding: 0 0 0 16px;
}

.refinfo-cluster h2 {
    font-size: 1.1rem;
    margin-bottom: 0;
    border: none;
    margin: 0;
    padding: 0;
    border-top: none;
}

.refinfo-cluster a,
.refinfo-cluster a:link,
.refinfo-cluster a:visited,
.refinfo-cluster a:hover,
.refinfo-cluster a:active {
    text-decoration: none;
    color: #2b7bb9;
}

.refinfo-cluster small {
    font-size: 0.8rem;
    color: #888;
    font-style: italic;
}

/* post info */

.post-info-container img {
    vertical-align: middle;
    padding-right: 0.4rem;
}

.post-info-tag {
    border-radius: 6px;
    padding: 2 4 2 4;
    font-size: 0.9rem;
    border: 1px solid #bcc2ce;
}

/* footer */

.footer-content {
    width: 100%;
    border-top: 1px solid #ddd;
}

footer {
    max-width: 728px;
    margin: 0 auto;
    padding: 16px 16px 20px 16px;
    text-align: left;
    font-size: 10pt;
    color: #999;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #181818;
        color: #dfdfdf;
    }

    li::marker {
        color: #bbb;
    }

    .header-content {
        background-color: #1e1e1e;
        border-bottom: 1px solid #2f2f2f;
    }

    #search-keyword {
        color: #bbb;
        background-color: #1e1e1e;
        border: 1px dashed #2f2f2f;
    }

    #search-button {
        background-color: #1e1e1e;
        color: #bbb;
        border: 1px dashed #2f2f2f;
    }

    .title-date {
        color: #5b6268;
    }

    div.backlinks-container > hr,
    div.refs-container > hr {
        border: 0.5px solid #5b6268;
    }

    div.outline-text-2 > hr {
        border: 0.5px solid #5b6268;
    }

    .content h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        color: #efefef;
    }

    .content h2 {
        border-top: none;
    }

    .content pre {
        background-color: #21252b; /* TODO */
    }

    .content p code {
        background-color: #21252b; /* TODO */
    }

    .content a,
    .content a:link,
    .content a:visited,
    .content a:hover,
    .content a:active {
        color: #51afef;
    }

    .content i {
        color: #aaa;
    }

    .content table thead tr {
        background-color: #1e1e1e;
        border-bottom: 1px solid #2f2f2f;
    }

    .article-description {
        color: #dfdfdf;
        display: block;
    }

    .author-image img {
        background-color: #1e1e1e;
    }

    .splitter-container hr {
        border: 0px;
        border-top: 1px solid #2f2f2f;
    }

    .refinfo-cluster {
        background: #1e1e1e;
        border: none;
        border-radius: 6px;
        padding: 8px 14px 8px 14px;
        flex: 1;
    }

    .refinfo-cluster h2 {
        border: none;
    }

    .footer-content {
        border-top: 1px solid #2f2f2f;
    }
}