:root {
    --background: #131f24;
    --on-background: #afafaf; 
    --surface: #1a2930;
    --surface-hover: #0f1419;
    --strong: #8d96a0;
    --border: #4e4e4e;
    --white: #ffffff;
    --black: #0c0d0e;
    --orange: #edb54b;
    --blue: #004a86;
    --green: #39a75f;
    --red: #fc6755;
}

html {
    text-rendering: optimizeSpeed;
}

body {
    background-color: var(--background);
    color: var(--on-background);
    margin: 0;
}

main {
    max-width: 80ch;
    margin: 0 auto;
    width: 100%;
}

p, td {
    color: var(--white);
}

h1 {
    color: var(--white);
    text-align: center;
}

h3 {
    padding-top: 2rem;
}

code {
    background-color: var(--black);
    color: var(--orange);
    display: inline-block;
    padding: 0.5rem 0.5rem;
    border-radius: 0.5rem;
}

pre {
    margin: 0.5rem;
}

blockquote {
    background-color: var(--surface);
    padding: 0.75rem;
    border-radius: 0.75rem;
}

strong {
    color: var(--strong);
}

table, tr, th, td {
    border: 1px dotted var(--border);
    border-collapse: collapse;
}

table {
    margin-left: auto;
    margin-right: auto;
}

th {
    background-color: transparent;
    font-weight: bold;
    padding: 0 1rem;
}

td {
    padding: 0.5rem;
}

tr:nth-child(odd) {
    background-color: transparent;
}

a.no-underline {
    text-decoration: none;
}

a.toc {
    color: var(--orange);
}

a:hover {
    text-decoration: underline;
}

header {                                                                        
    position: static;                                                             
    z-index: 2;                                                                   
    width: 100%;                                                                  
    display: flex;                                                                
    flex-direction: row;                                                          
    justify-content: space-around;                                                
    align-items: center;                                                          
    margin: 0;                                                                    
    padding: .25rem 0rem .25rem 0rem;                                             
} 

.top-navigation {                                                               
    z-index: 1;                                                                   
    display: flex;                                                                
    flex-direction: row;                                                          
    gap: 1rem;                                                                    
    padding: 0 0 0 4rem;                                                          
}

.top-navigation a {
    color: #e1e1e1;
    background-color: transparent;
    display: flex;
    align-items: center;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.top-navigation a:hover {
    color: var(--white);
    text-decoration: underline;
    text-underline-offset: 1rem;
    text-decoration-color: #39a75f;
}

img.logo {
    width: auto;
    height: 3rem;
    z-index: 3;
}

button {
    padding: 0.7rem 2.1rem;
    border-radius: 100px;
    border-color: transparent;
    cursor: pointer;
    color: var(--white);
    font-size: 1rem;
}

button.primary {
    background-color: var(--blue);
    transition: background-color .2s linear,color .2s linear
}

button.primary:hover {
    background-color: var(--green); 
    color: var(--white);
    transition: background-color .2s linear,color .2s linear
}