:root {
    --wiki-sidebar-bg: #9aa28f;
    --wiki-sidebar-border: #b4bcaa;
    --wiki-page-bg: #eceeeb;
    --wiki-surface: #ffffff;
    --wiki-surface-soft: #f3f5f1;
    --wiki-border: #cfd5cb;
    --wiki-text: #2e2f31;
    --wiki-muted: #666b66;
    --wiki-primary: #7f8d76;
    --wiki-primary-strong: #6a7662;
    --wiki-ink: #2a2b2d;
    --wiki-leaf-soft: #a4aea0;
}

body {
    font-family: 'Nunito Sans', sans-serif;
    color: var(--wiki-text);
    background: var(--wiki-page-bg);
}

.app-guest {
    background:
        radial-gradient(1300px 420px at 20% -10%, #dfe4db 0%, transparent 62%),
        radial-gradient(1100px 420px at 80% -5%, #d6ddd2 0%, transparent 58%),
        var(--wiki-page-bg);
    min-height: 100vh;
}

.wiki-app-shell {
    min-height: 100vh;
    display: flex;
}

.wiki-sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--wiki-sidebar-bg), #88927f);
    color: #f0f5ff;
    border-right: 1px solid var(--wiki-sidebar-border);
    padding: 1.5rem 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.wiki-brand {
    display: inline-block;
    color: #f8fbff;
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.wiki-brand:hover {
    color: #ffffff;
}

.wiki-sidebar-subtitle {
    color: #eef2e9;
    font-size: 0.86rem;
}

.wiki-sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.wiki-sidebar-tree {
    border-top: 1px solid var(--wiki-sidebar-border);
    border-bottom: 1px solid var(--wiki-sidebar-border);
    padding: 0.85rem 0;
    max-height: 48vh;
    overflow: auto;
}

.wiki-sidebar-tree-title {
    color: #f0f2ec;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.wiki-tree-list {
    list-style: none;
    padding-left: 0.65rem;
    margin: 0;
}

.wiki-tree-item {
    margin: 0.2rem 0;
}

.wiki-tree-category-row {
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.wiki-tree-toggle {
    width: 1.15rem;
    height: 1.15rem;
    border: 0;
    background: transparent;
    color: #f0f2ec;
    border-radius: 0.25rem;
    padding: 0;
    line-height: 1;
    flex: 0 0 1.15rem;
}

.wiki-tree-toggle::before {
    content: '>';
    display: inline-block;
    font-size: 0.72rem;
    transition: transform 0.15s ease;
}

.wiki-tree-toggle:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.wiki-tree-item.is-open > .wiki-tree-category-row .wiki-tree-toggle::before {
    transform: rotate(90deg);
}

.wiki-tree-children {
    display: none;
}

.wiki-tree-item.is-open > .wiki-tree-children {
    display: block;
}

.wiki-tree-category,
.wiki-tree-article {
    display: block;
    text-decoration: none;
    border-radius: 0.45rem;
    padding: 0.24rem 0.45rem;
    line-height: 1.35;
}

.wiki-tree-category {
    color: #f9faf7;
    font-weight: 700;
    font-size: 0.85rem;
}

.wiki-tree-article {
    color: #edf0e9;
    font-size: 0.8rem;
    padding-left: 0.6rem;
}

.wiki-tree-category:hover,
.wiki-tree-article:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.wiki-nav-link {
    display: block;
    text-decoration: none;
    color: #f3f5f1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    border-radius: 0.65rem;
    padding: 0.65rem 0.8rem;
    font-weight: 700;
    transition: all 0.15s ease;
}

.wiki-nav-link:hover {
    color: #ffffff;
    border-color: #dbe2d6;
    background: rgba(255, 255, 255, 0.08);
}

.wiki-user-panel {
    margin-top: auto;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--wiki-sidebar-border);
    border-radius: 0.75rem;
    padding: 0.75rem;
}

.wiki-user-name {
    font-weight: 800;
    font-size: 0.95rem;
}

.wiki-user-role {
    color: #f0f2ec;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.wiki-main-shell {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.wiki-topbar {
    height: 64px;
    background: var(--wiki-surface);
    border-bottom: 1px solid var(--wiki-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0 1.35rem;
    box-shadow: 0 1px 0 rgba(56, 72, 34, 0.06);
}

.wiki-topbar-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--wiki-primary-strong);
}

.wiki-search-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: min(620px, 100%);
    margin-left: auto;
}

.wiki-search-input {
    min-width: 220px;
}

.wiki-content {
    width: 100%;
}

.wiki-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.wiki-page-title {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 800;
    color: #2a2b2d;
}

.wiki-page-subtitle {
    margin: 0.2rem 0 0;
    color: var(--wiki-muted);
}

.wiki-category-tree {
    padding: 1rem;
}

.wiki-category-node {
    border-left: 2px solid #d2d9cf;
    margin-left: 0.25rem;
    padding-left: 0.85rem;
    margin-bottom: 0.9rem;
}

.wiki-category-node-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 800;
}

.wiki-category-node-meta {
    margin: 0.2rem 0 0.55rem;
    color: var(--wiki-muted);
    font-size: 0.87rem;
}

.wiki-panel {
    background: var(--wiki-surface);
    border: 1px solid var(--wiki-border);
    border-radius: 0.9rem;
    box-shadow: 0 8px 22px rgba(56, 72, 34, 0.08);
}

.wiki-article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.wiki-article-card {
    background: var(--wiki-surface);
    border: 1px solid var(--wiki-border);
    border-radius: 0.9rem;
    box-shadow: 0 8px 22px rgba(56, 72, 34, 0.08);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.wiki-article-card-title {
    margin: 0;
    font-size: 1.04rem;
    font-weight: 800;
}

.wiki-article-card-link {
    color: var(--wiki-ink);
    text-decoration: none;
}

.wiki-article-card-link:hover {
    color: var(--wiki-primary-strong);
}

.wiki-article-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    color: var(--wiki-muted);
    font-size: 0.84rem;
}

.wiki-article-card-snippet {
    color: #505553;
    margin: 0;
    font-size: 0.92rem;
}

.wiki-article-card-actions {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.card,
.table-responsive {
    border: 1px solid var(--wiki-border) !important;
    border-radius: 0.9rem !important;
    box-shadow: 0 8px 22px rgba(56, 72, 34, 0.08) !important;
}

.card {
    background: var(--wiki-surface);
}

.table {
    margin-bottom: 0;
}

.table > :not(caption) > * > * {
    border-bottom-color: var(--wiki-border);
}

.table-actions {
    white-space: nowrap;
}

.markdown-content {
    background: var(--wiki-surface);
    border: 1px solid var(--wiki-border);
    border-radius: 0.9rem;
    padding: 1.6rem;
    box-shadow: 0 8px 22px rgba(56, 72, 34, 0.08);
    line-height: 1.7;
    color: #343735;
    font-size: 1rem;
}

.markdown-content > *:first-child {
    margin-top: 0;
}

.markdown-content > *:last-child {
    margin-bottom: 0;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    color: #2a2b2d;
    line-height: 1.3;
    font-weight: 800;
    margin: 1.25rem 0 0.7rem;
}

.markdown-content h1 {
    font-size: 2rem;
    border-bottom: 1px solid #d2d8cf;
    padding-bottom: 0.4rem;
}

.markdown-content h2 {
    font-size: 1.55rem;
    border-bottom: 1px solid #dce2da;
    padding-bottom: 0.28rem;
}

.markdown-content h3 {
    font-size: 1.25rem;
}

.markdown-content p {
    margin: 0.75rem 0;
}

.markdown-content a {
    color: var(--wiki-primary-strong);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.markdown-content a:hover {
    color: #566152;
}

.markdown-content ul,
.markdown-content ol {
    margin: 0.75rem 0 0.95rem 1.35rem;
    padding: 0;
}

.markdown-content li + li {
    margin-top: 0.32rem;
}

.markdown-content blockquote {
    margin: 1rem 0;
    padding: 0.75rem 1rem;
    border-left: 4px solid #a4aea0;
    background: #f2f4ef;
    color: #4e554f;
    border-radius: 0 0.5rem 0.5rem 0;
}

.markdown-content pre {
    background: #333735;
    color: #f2f3f0;
    border-radius: 0.65rem;
    padding: 0.9rem 1rem;
    overflow-x: auto;
    margin: 0.95rem 0 1.15rem;
    border: 1px solid #4a504b;
}

.markdown-content code {
    background: #eef1eb;
    color: #495148;
    border-radius: 0.35rem;
    padding: 0.12rem 0.36rem;
    font-size: 0.92em;
}

.markdown-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
    border-radius: 0;
}

.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.95rem 0 1.2rem;
    font-size: 0.96rem;
}

.markdown-content th,
.markdown-content td {
    border: 1px solid #d2d8ce;
    padding: 0.56rem 0.62rem;
    vertical-align: top;
}

.markdown-content th {
    background: #eef1eb;
    color: #2a2b2d;
    font-weight: 800;
}

.markdown-content tr:nth-child(even) td {
    background: #f8f9f5;
}

.markdown-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 0.65rem 0 0.9rem;
    border: 1px solid #d2d8ce;
}

.markdown-content hr {
    border: 0;
    border-top: 1px solid #d1d8cd;
    margin: 1.35rem 0;
}

.card-muted {
    color: var(--wiki-muted);
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--wiki-primary);
    border-color: var(--wiki-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--wiki-primary-strong);
    border-color: var(--wiki-primary-strong);
}

.form-control,
.form-select {
    border-color: #c7cec3;
    border-radius: 0.65rem;
}

.form-control:focus,
.form-select:focus {
    border-color: #9ba694;
    box-shadow: 0 0 0 0.2rem rgba(127, 141, 118, 0.16);
}

.wiki-media-toolbar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.45rem;
}

.wiki-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.75rem;
    max-height: 340px;
    overflow: auto;
    background: #f3f5f0;
    border: 1px solid #d1d8cd;
    border-radius: 0.7rem;
    padding: 0.7rem;
}

.wiki-media-item {
    border: 1px solid #d0d7cc;
    border-radius: 0.6rem;
    padding: 0.45rem;
    background: #fff;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.wiki-media-item img {
    width: 100%;
    height: 92px;
    object-fit: cover;
    border-radius: 0.45rem;
    border: 1px solid #d2d9cf;
}

.wiki-media-name {
    font-size: 0.78rem;
    color: #596257;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 991.98px) {
    .wiki-app-shell {
        flex-direction: column;
    }

    .wiki-sidebar {
        width: 100%;
        border-right: 0;
        border-bottom: 1px solid var(--wiki-sidebar-border);
    }

    .wiki-topbar {
        flex-wrap: wrap;
        height: auto;
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }

    .wiki-search-form {
        width: 100%;
        margin-left: 0;
    }
}