html {
    --page-bg: #f3f5f7;
    --panel-bg: #ffffff;
    --sidebar-bg: #eef3f6;
    --line-color: #d9e1e8;
    --text-color: #1f2933;
    --muted-color: #677381;
    --accent-color: #2f6f73;
    --accent-hover: #24585c;
    background-color: var(--page-bg);
    color: var(--text-color);
    font-family: sans-serif;
}

html.dark {
    --page-bg: #101820;
    --panel-bg: #17212b;
    --sidebar-bg: #121c25;
    --line-color: #263645;
    --text-color: #edf2f7;
    --muted-color: #aab7c4;
    --accent-color: #8ccfd3;
    --accent-hover: #b7eef0;
}

body {
    margin: 0;
    width: 100%;
    line-height: 1.5;
}

* {
    box-sizing: border-box;
}

a {
    color: inherit;
}

h1 {
    margin: 0 0 1.5rem;
    font-size: 2.5rem;
    line-height: 1.18;
}

.site-shell {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    min-height: 100vh;
}

.site-main {
    width: 100%;
    max-width: 82ch;
    padding: 3rem clamp(1rem, 4vw, 4rem);
}

.site-sidebar {
    border-right: 1px solid var(--line-color);
    background: var(--sidebar-bg);
}

.sidebar-inner {
    position: sticky;
    top: 0;
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem 1.25rem;
}

.sidebar-tools {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu {
    display: none;
    border: 1px solid var(--line-color);
    border-radius: 6px;
    background-color: var(--panel-bg);
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: bold;
    padding: 0.45rem 0.75rem;
}

#themeToggle {
    border: 0;
    background: none;
    color: var(--text-color);
    cursor: pointer;
}

#themeToggle .sun {
    fill: currentColor;
}

#themeToggle .moon {
    fill: transparent;
}

.dark #themeToggle .sun {
    fill: transparent;
}

.dark #themeToggle .moon {
    fill: currentColor;
}

.sidebar-search {
    position: relative;
    display: grid;
    gap: 0.4rem;
}

.sidebar-search label {
    color: var(--muted-color);
    font-size: 0.8rem;
    font-weight: 700;
}

.sidebar-search input {
    width: 100%;
    border: 1px solid var(--line-color);
    border-radius: 8px;
    background: var(--panel-bg);
    color: var(--text-color);
    padding: 0.6rem 0.7rem;
    font: inherit;
}

.search-results {
    display: grid;
    gap: 0.4rem;
    border: 1px solid var(--line-color);
    border-radius: 8px;
    background: var(--panel-bg);
    padding: 0.45rem;
    box-shadow: 0 10px 26px rgb(15 23 42 / 12%);
}

.search-results[hidden] {
    display: none;
}

.search-result {
    display: grid;
    gap: 0.15rem;
    border-radius: 6px;
    padding: 0.45rem;
    color: inherit;
    text-decoration: none;
}

.search-result:hover,
.search-result:focus {
    background: var(--page-bg);
    color: var(--accent-color);
}

.search-result span {
    font-size: 0.9rem;
    font-weight: 700;
}

.search-result small,
.search-empty {
    color: var(--muted-color);
    font-size: 0.78rem;
}

.search-empty {
    margin: 0;
    padding: 0.45rem;
}

.profile {
    display: grid;
    justify-items: center;
    gap: 0.55rem;
    color: inherit;
    text-align: center;
    text-decoration: none;
}

.profile img {
    width: 96px;
    height: 96px;
    border: 3px solid var(--panel-bg);
    border-radius: 50%;
    box-shadow: 0 10px 26px rgb(15 23 42 / 14%);
    object-fit: cover;
}

.profile-name {
    font-size: 1.25rem;
    font-weight: 800;
}

.profile-signature {
    color: var(--muted-color);
    font-size: 0.95rem;
}

.nav-links {
    display: grid;
    gap: 0.35rem;
    margin: 0;
}

.nav-links a {
    display: block;
    border-radius: 6px;
    padding: 0.7rem 0.85rem;
    color: var(--text-color);
    font-size: 1rem;
    font-weight: bold;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus,
.nav-links a.active {
    background-color: var(--panel-bg);
    color: var(--accent-color);
}

.site-footer {
    margin-top: 2rem;
    color: var(--muted-color);
    font-size: 0.85rem;
    line-height: 1.4;
    text-align: center;
}

.site-footer p {
    margin: 0.2rem 0;
}

.home-hero {
    margin-top: -1rem;
    margin-bottom: 2rem;
}

.home-hero p {
    margin: 0;
    color: var(--muted-color);
    font-size: 1.05rem;
}

.post-feed,
.archive-list {
    display: grid;
    gap: 1rem;
}

.post-card,
.article-page,
.archive-item,
.tag-card {
    border: 1px solid var(--line-color);
    border-radius: 8px;
    background: var(--panel-bg);
}

.post-card {
    overflow: hidden;
}

.post-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.post-card-cover {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: var(--page-bg);
}

.post-card-body {
    display: grid;
    gap: 0.45rem;
    padding: 1rem 1.1rem 0;
}

.post-card-meta,
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    color: var(--muted-color);
    font-size: 0.85rem;
}

.post-card h2 {
    margin: 0;
    overflow-wrap: anywhere;
    font-size: 1.28rem;
    line-height: 1.35;
}

.post-card p {
    margin: 0;
    color: var(--muted-color);
    line-height: 1.55;
}

.post-card-tags,
.article-tags div,
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.post-card-tags {
    margin-top: 0.85rem;
    padding: 0 1.1rem 1.1rem;
}

.post-card-tags a,
.article-tags a,
.tag-cloud a {
    border: 1px solid var(--line-color);
    border-radius: 999px;
    padding: 0.2rem 0.55rem;
    background: var(--page-bg);
    color: var(--muted-color);
    font-size: 0.8rem;
    text-decoration: none;
}

.post-card-tags a:hover,
.post-card-tags a:focus,
.article-tags a:hover,
.article-tags a:focus,
.tag-cloud a:hover,
.tag-cloud a:focus {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.archive-item {
    display: grid;
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 1rem;
    padding: 1rem;
}

.archive-item time {
    color: var(--muted-color);
    font-size: 0.9rem;
}

.archive-item h2 {
    margin: 0;
    font-size: 1.1rem;
}

.archive-item a {
    text-decoration: none;
}

.archive-item a:hover,
.archive-item a:focus,
.post-card-link:hover h2,
.post-card-link:focus h2 {
    color: var(--accent-color);
}

.archive-item p {
    margin: 0.25rem 0 0;
    color: var(--muted-color);
    font-size: 0.9rem;
}

.article-page {
    padding: clamp(1.25rem, 3vw, 2rem);
}

.article-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 180px;
    gap: 1.25rem;
    align-items: start;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--line-color);
}

.article-heading {
    display: grid;
    gap: 0.65rem;
}

.article-header h1 {
    margin: 0;
    overflow-wrap: anywhere;
    font-size: clamp(1.75rem, 4vw, 2.45rem);
    line-height: 1.22;
}

.article-description {
    margin: 0;
    color: var(--muted-color);
    font-size: 1rem;
    line-height: 1.7;
}

.article-cover {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    max-width: 180px;
    justify-self: end;
    border-radius: 8px;
    object-fit: cover;
    background: var(--page-bg);
}

.article-content {
    margin-top: 1.5rem;
    font-size: 1.03rem;
    line-height: 1.85;
}

.article-content h2,
.article-content h3 {
    margin: 2rem 0 0.75rem;
    line-height: 1.35;
}

.article-content p {
    margin: 1rem 0;
}

.article-content a {
    color: var(--accent-color);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.article-tags {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line-color);
}

.article-tags p {
    margin: 0 0 0.5rem;
    color: var(--muted-color);
    font-size: 0.82rem;
    font-weight: 700;
}

.tag-card {
    display: block;
    padding: 1rem;
    text-decoration: none;
}

.tag-card:hover,
.tag-card:focus {
    border-color: var(--accent-color);
}

@media screen and (max-width: 760px) {
    .site-shell {
        display: block;
    }

    .site-main {
        max-width: none;
        padding: 1.5rem 1rem 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    .site-sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--line-color);
    }

    .sidebar-inner {
        position: static;
        min-height: auto;
        gap: 1rem;
        padding: 1rem;
    }

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

    .nav-links {
        display: none;
    }

    :has(.menu[aria-expanded="true"]) .nav-links {
        display: grid;
    }

    .sidebar-search {
        order: 3;
    }

    .profile {
        order: 2;
        grid-template-columns: auto 1fr;
        justify-items: start;
        column-gap: 0.75rem;
        text-align: left;
    }

    .profile img {
        grid-row: span 2;
        width: 56px;
        height: 56px;
    }

    .profile-name {
        align-self: end;
        font-size: 1.1rem;
    }

    .profile-signature {
        align-self: start;
    }

    .archive-item,
    .article-header {
        grid-template-columns: 1fr;
    }

    .article-cover {
        max-width: none;
        justify-self: start;
        width: 100%;
    }
}