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

body {
    background: #FFFFFF;
    color: #374151;
    font-family: "Source Serif 4", serif;
    font-size: 16px;
    line-height: 1.75;
}

.wiki-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    background: #F3F4F6;
    padding: 24px 16px;
    border-right: 1px solid #D1D5DB;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    margin-bottom: 24px;
}

.sidebar-header h1 {
    font-family: "Archivo", sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 4px;
}

.sidebar-header p {
    font-family: "JetBrains Mono", monospace;
    font-size: 12px;
    color: #6B7280;
    letter-spacing: 0.05em;
}

/* Search */
.search-box {
    margin-bottom: 24px;
}

.search-box input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #D1D5DB;
    background: #FFFFFF;
    color: #111827;
    font-size: 13px;
    font-family: "Source Serif 4", serif;
    transition: border-color 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: #2563EB;
}

/* Sidebar Navigation */
.sidebar-nav {
    margin-top: 24px;
}

.nav-tree {
    list-style: none;
}

.nav-item {
    margin-bottom: 12px;
}

.nav-link {
    display: block;
    color: #6B7280;
    text-decoration: none;
    font-family: "Archivo", sans-serif;
    font-size: 14px;
    font-weight: 700;
    padding: 6px 0;
    transition: color 0.2s;
    border-left: 2px solid transparent;
    padding-left: 8px;
    margin-left: -8px;
}

.nav-link:hover {
    color: #111827;
}

.nav-link.active {
    color: #111827;
    border-left-color: #2563EB;
}

.sub-nav {
    list-style: none;
    margin-top: 8px;
    margin-left: 8px;
    padding-left: 8px;
    border-left: 1px solid #D1D5DB;
}

.sub-nav li {
    margin-bottom: 6px;
}

.sub-nav a {
    color: #9CA3AF;
    text-decoration: none;
    font-size: 13px;
    font-family: "Source Serif 4", serif;
    transition: color 0.2s;
    display: block;
    padding: 4px 0;
}

.sub-nav a:hover {
    color: #6B7280;
}

/* Main Content */
.main-content {
    padding: 40px 60px;
    max-width: 700px;
    position: relative;
}

.breadcrumb {
    font-size: 13px;
    color: #6B7280;
    margin-bottom: 32px;
    font-family: "Archivo", sans-serif;
}

.breadcrumb a {
    color: #2563EB;
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: #1D4ED8;
}

article h1 {
    font-family: "Archivo", sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 32px;
    line-height: 1.2;
}

section {
    margin-bottom: 40px;
}

section h2 {
    font-family: "Archivo", sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #111827;
    border-bottom: 2px solid #111827;
    padding-bottom: 12px;
    margin-bottom: 20px;
}

section h3 {
    font-family: "Archivo", sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #111827;
    border-bottom: 1px solid #D1D5DB;
    padding-bottom: 8px;
    margin-bottom: 16px;
}

section p {
    margin-bottom: 16px;
    color: #374151;
}

/* Info Panel */
.info-panel {
    background: #EFF6FF;
    border-left: 3px solid #2563EB;
    padding: 16px;
    margin: 20px 0;
    border-radius: 4px;
}

.info-panel strong {
    color: #1D4ED8;
}

/* Lists */
.content-list {
    list-style: none;
    margin: 16px 0;
    padding-left: 0;
}

.content-list li {
    padding-left: 24px;
    margin-bottom: 8px;
    position: relative;
}

.content-list li:before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #2563EB;
}

/* Definition List */
.definition-list {
    margin: 20px 0;
}

.definition-list dl {
    margin: 0;
}

.definition-list dt {
    font-weight: 700;
    color: #111827;
    margin-top: 12px;
    margin-bottom: 4px;
    font-family: "Archivo", sans-serif;
}

.definition-list dd {
    margin-left: 24px;
    margin-bottom: 12px;
    color: #6B7280;
}

/* Table */
.content-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: #FFFFFF;
    border: 1px solid #D1D5DB;
}

.content-table thead {
    background: #F9FAFB;
}

.content-table th {
    padding: 12px;
    text-align: left;
    font-family: "Archivo", sans-serif;
    font-weight: 700;
    color: #111827;
    border-bottom: 2px solid #D1D5DB;
    font-size: 14px;
}

.content-table td {
    padding: 12px;
    border-bottom: 1px solid #D1D5DB;
    color: #6B7280;
}

.content-table tr:last-child td {
    border-bottom: none;
}

.content-table tr:nth-child(even) {
    background: #F9FAFB;
}

/* Code */
.code-block {
    background: #F5F3FF;
    border: 1px solid #E9D5FF;
    border-left: 3px solid #7C3AED;
    padding: 16px;
    margin: 20px 0;
    border-radius: 4px;
    overflow-x: auto;
}

.code-label {
    display: block;
    font-family: "JetBrains Mono", monospace;
    font-size: 11px;
    color: #7C3AED;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    font-weight: 600;
}

.code-block code {
    font-family: "JetBrains Mono", monospace;
    font-size: 13px;
    color: #5B21B6;
    line-height: 1.6;
    display: block;
    white-space: pre;
}

/* Blockquote */
blockquote {
    font-style: italic;
    color: #6B7280;
    border-left: 3px solid #2563EB;
    padding-left: 16px;
    margin: 24px 0;
}

/* Mini TOC */
.mini-toc {
    position: absolute;
    right: -240px;
    top: 200px;
    width: 200px;
    background: #F3F4F6;
    padding: 16px;
    border-radius: 4px;
    border: 1px solid #D1D5DB;
    font-size: 13px;
    max-width: 200px;
}

.mini-toc h3 {
    font-family: "Archivo", sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: #111827;
    border: none;
    padding: 0;
    margin-bottom: 12px;
}

.mini-toc ul {
    list-style: none;
}

.mini-toc li {
    margin-bottom: 8px;
}

.mini-toc a {
    color: #6B7280;
    text-decoration: none;
    transition: color 0.2s;
}

.mini-toc a:hover {
    color: #2563EB;
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 1200px) {
    .mini-toc {
        display: none;
    }

    .main-content {
        max-width: 100%;
        padding: 40px;
    }
}

@media (max-width: 768px) {
    .wiki-container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: relative;
        height: auto;
        border-right: none;
        border-bottom: 1px solid #D1D5DB;
        margin-bottom: 24px;
    }

    .main-content {
        padding: 30px 20px;
    }

    article h1 {
        font-size: 28px;
    }

    section h2 {
        font-size: 22px;
    }

    .mini-toc {
        display: none;
    }
}