body {
    font-family: "Noto Sans", sans-serif;
    font-size: 15px;
    background-color: #4f5665;
    color: #222;
    margin: 0;
}

/* Layout */

header {
    background-color: #222;
    padding: 0.7rem;    
    display: flex;
    align-items: center;
    gap: 0.5em;
    border-bottom: 1px solid #555;
}

#wrap {
    display: flex;
    gap: 2rem;
}

main {
    max-width: 840px;
}


/* Header */

header img {
    width: 24px;
}

header h1 {
    color: #fff;
    font-size: 1rem;
    padding: 0;
    font-weight: normal;
    margin: 0;
}

/* Tyography */

main h1 {
    display: none;
}

h2 {
    font-size: 2.5em;
    font-weight: normal;
    margin-bottom: 1.5rem;
    margin-top: 0px;
}

h3 {
    font-size: 1rem;
}

p {
    line-height: 1.5;
}

/* Tables */

table {
    margin-top: 1em;
    border: 1px solid #ccc;
    border-collapse: collapse;
    background-color: white;
}

td, th {
    padding: 0.5em;
    border: 1px solid #ccc;
}

th {
    background-color: #eee;
}

h3, h4 {
    margin: 1.6em 0 0.4em 0;
}

/* Inline code style */
h3 > code,
p code,
h2 code,
td code {
    color:rgb(208, 47, 47);
    background-color: #edecec;
    border-radius: 3px;
    padding: 0.2em 0.4em;
}

td code {
    margin: 0.2em 0;
    display: inline-block;
}

p {
    margin: 0.4em 0;
}

section {
    margin: 2rem 0;
    padding: 3rem 3rem;
    background-color: #fff;
    border-radius: 8px;
}

article {
    background-color: #f2f2f2;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
    box-shadow: 2px 2px 3px rgba(0,0,0,0.1);
}

article pre  {
    margin: 1rem 0 0 0;
} 

article > h3 {
    margin-top: -4px;
}


/* Syntax highlighting */
.hljs {
    border-radius: 6px;
}

.hljs-comment {
    color: rgb(234, 89, 89)
}


/* TOC */

aside {
    width: 300px;
    margin-top: 2rem;
    margin-left: 1rem;
    position: sticky;
    top: 2rem;
    height: 85vh;
    overflow: auto;
}

#toc {
    width: 100%;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.8rem;
}

#toc a {
    color: #fff;
    text-decoration: none;
    padding: 0.5em 0.8em;
    display: block;
    box-sizing: border-box;
} 

#toc {
    width: 100%;
}

#toc li {
    margin: 0.2em;
    border-radius: 4px;
}

.section-link {
    background-color: #333a48;
    padding: 0.2em;
}


.section-link ul {
    box-sizing: border-box;
    list-style: none;
    padding: 0;
    display: none;
}

.section-link .closed {
    display: none;
}

.section-link .open {
    display: block;
}

.article-link {
    background-color: #ffffff22;
    font-weight: normal;
}

/* Copy to clipboard */

pre {
    overflow-x: auto;
    position: relative;    
}

button.copy-btn {
      position: absolute;
      top: 8px;
      right: 8px;
      padding: 0.2em 0.5em 0.4em;
      font-size: 1em;
      border: none;
      border-radius: 4px;
      background: #a6b7ca44;
      color: white;
      cursor: pointer;
      opacity: 0.8;
      transition: opacity 0.2s, background 0.2s;
    }

button.copy-btn:hover {
    opacity: 1;
    background: #0056b3;
}