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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
    background-color: #f6f8fa;
    color: #24292f;
    line-height: 1.6;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.wiki-header {
    background-color: #ffffff;
    border-bottom: 1px solid #d0d7de;
    padding: 0.8rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.wiki-main {
    display: flex;
    flex: 1;
    max-width: 1280px;
    width: 100%;
    margin: 1.5rem auto;
    padding: 0 1.5rem;
    gap: 2rem;
}

.wiki-content {
    display: none;
    flex: 3;
    min-width: 0;
    background-color: #ffffff;
    border: 1px solid #d0d7de;
    border-radius: 8px;
    padding: 2rem 2.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.wiki-content.active {
  display: block;
}

.wiki-content h1 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-top: 0;
    margin-bottom: 0.5rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid #d0d7de;
}

.wiki-content h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-top: 1.8rem;
    margin-bottom: 0.5rem;
    padding-bottom: 0.2rem;
    border-bottom: 1px solid #e1e4e8;
}

.wiki-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 1.6rem;
    margin-bottom: 0.3rem;
}

.wiki-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 1.4rem;
}

.wiki-content p {
    margin: 1rem 0;
    font-size: 1rem;
    line-height: 1.7;
}

.wiki-content a {
    color: #0969da;
    text-decoration: none;
}

.wiki-content a:hover {
    text-decoration: underline;
}

.wiki-content ul, .wiki-content ol {
    padding-left: 2rem;
    margin: 0.8rem 0;
}

.wiki-content li {
    margin: 0.25rem 0;
}

.wiki-content blockquote {
    border-left: 4px solid #d0d7de;
    padding-left: 1rem;
    color: #57606a;
    margin: 1.2rem 0;
    background-color: #f6f8fa;
    padding: 0.8rem 1.2rem;
    border-radius: 0 6px 6px 0;
}

.wiki-content code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    background-color: #f6f8fa;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.wiki-content pre {
    background-color: #f6f8fa;
    border-radius: 6px;
    padding: 1rem 1.5rem;
    overflow-x: auto;
    font-size: 0.9rem;
    border: 1px solid #e1e4e8;
}

.wiki-content pre code {
    background: transparent;
    padding: 0;
    border-radius: 0;
}

.wiki-content table {
    border-collapse: collapse;
    margin: 1.2rem 0;
}

.wiki-content th, .wiki-content td {
    border: 1px solid #d0d7de;
    padding: 0.5rem 0.8rem;
    text-align: left;
}

.wiki-content th {
    background-color: #f6f8fa;
    font-weight: 600;
}

.wiki-content img {
    max-width: 100%;
}

.wiki-content hr {
    border: 0;
    border-top: 1px solid #d0d7de;
    margin: 1.8rem 0;
}

.wiki-content .highlight {
    background-color: #fff8c5;
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
}

.wiki-sidebar {
    flex: 1;
    min-width: 220px;
    max-width: 280px;
    background-color: #ffffff;
    border: 1px solid #d0d7de;
    border-radius: 8px;
    padding: 1.5rem 1.2rem;
    height: fit-content;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    align-self: flex-start;
}

.wiki-sidebar h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #57606a;
    margin-top: 0;
    margin-bottom: 1rem;
    font-weight: 600;
    border-bottom: 1px solid #d0d7de;
    padding-bottom: 0.5rem;
}

.wiki-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.wiki-sidebar li {
    margin: 0.3rem 0;
}

.wiki-sidebar a {
    display: block;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    color: #24292f;
    text-decoration: none;
    font-size: 0.95rem;
    transition: background 0.12s, color 0.12s;
}

.wiki-sidebar a:hover {
    background-color: #f0f3f7;
    color: #0969da;
}

.wiki-sidebar a.active {
    background-color: #ddf4ff;
    color: #0550ae;
    font-weight: 500;
}

.wiki-sidebar .sidebar-sub {
    padding-left: 1.2rem;
    font-size: 0.9rem;
    color: #57606a;
}

.wiki-sidebar .sidebar-sub a {
    font-size: 0.9rem;
    padding: 0.3rem 0.6rem;
}

@media (max-width: 820px) {
    .wiki-main {
        flex-direction: column;
        padding: 0 1rem;
    }

    .wiki-sidebar {
        max-width: 100%;
        width: 100%;
        order: 2;
    }

    .wiki-content {
        order: 1;
        padding: 1.5rem;
    }

    .wiki-header {
        padding: 0.6rem 1rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .custom-image-button {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .wiki-content h1 {
        font-size: 1.7rem;
    }
    .wiki-content h2 {
        font-size: 1.4rem;
    }
    .wiki-content {
        padding: 1rem;
    }
}