:root {
    --backgroundDark: #000000;
    --backgroundRectDark: #131313;
    --strokeRectDark: #353535;
    --backgroundLight: #efefef;
    --horizontalPadding: 15px;
    --accent: #19598e;
    --accent2: #3c6fa972;
    --fontFamily: "Domine";
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--backgroundDark);
    height: 100h;
    display: flex;
    justify-content: center;
    align-items: center;
}

h1{
    color: #ffffff;
    font-family: var(--fontFamily);
    font-weight: 900;
    font-size: 300%;
}

h3{
    color: #bfbfbf;
    font-family: var(--fontFamily);
    font-weight: 200;
    font-size: 90%;
    padding-bottom: 10px;
}

h6{
    color: #bfbfbf;
}

h2{
    color: #dfdfdf;
    font-family: var(--fontFamily);
    font-weight: 700;
    padding-bottom: 5px;
    padding-left: var(--horizontalPadding);
    padding-right: var(--horizontalPadding);
    padding-top: 20px;
}

p{
    color: #bfbfbf;
    font-family: var(--fontFamily);
    font-weight: 100;
    font-size: 90%;
    padding-bottom: 3px;
    padding-left: var(--horizontalPadding);
    padding-right: var(--horizontalPadding);
}

a{
    color: #afafaf;
    font-family: var(--fontFamily);
    font-weight: 100;
    font-size: 12px;
    padding-left: var(--horizontalPadding);
    padding-right: var(--horizontalPadding);
    padding-top: 5px;
    padding-bottom: 5px;
    text-decoration: none;
}

button{
    color: #131313;
}

.topSpacer{
    padding-bottom: 15px;
}

.mainBody{
    background: var(--backgroundRectDark);
    min-width: 300px;
    max-width: 1000px;
    margin: 0 auto;
    padding-bottom: 20px;
    top: 10%;
  
    border: 1.5pt dotted var(--strokeRectDark);
    border-radius: 20px;
}

.index{
    position: sticky;
    top: 50%;
    transform: translateY(-50%);

    display: flex;
    flex-direction: column;

    background: var(--backgroundRectDark);
    min-width: 100px;
    max-width: 100px;
    margin: 0 auto;
    padding: 10px;
    border: 1.5pt dotted var(--strokeRectDark);
    border-radius: 20px;
}

.chapter-link {
    padding: 12px;
    display: block;
    border-bottom: 1.5pt dotted var(--strokeRectDark);
    transition: background 0.2s ease;
}

/* Remove separator on last item */
.chapter-link:last-child {
    border-bottom: none;
}

/* Hover effect */
.chapter-link:hover {
    background: var(--accent2);
}

/* --- Active chapter highlight --- */
.chapter-link.active {
    
    background: var(--accent);
    font-weight: bold;
}