:root{
  --bg-color: #f4f4f4;
  --sidenote-width: 300px;
  --breakpoint: 1150px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 220px;
 

  img {
  max-width: 100%;
  justify-content: center;
  
}

.main-container {
  margin-inline: auto;
  position: relative;
  flex-grow: 1;
  /* margin-top: 80px; */
  box-sizing: border-box;
  padding: 0 20px;
  max-width: 1800px;
  margin-left: auto;
  margin-right: auto;

  @media (min-width: 1150px) {
    padding: 0 50px;
    display: flex;
    width: min(1600px, 100%);
    gap: 1rem;
    justify-content: space-between; 
  }
}


.sidenote-number {
  counter-increment: sidenote-counter;
}

.sidenote-number:after,
.sidenote:before {
  position: relative;
  vertical-align: baseline;
}

.sidenote-number:after {
  content: counter(sidenote-counter);
  font-size: 1rem;
  top: -0.5rem;
  left: 0.1rem;
}

.sidenote-number:after {
  content: counter(sidenote-counter);
  font-size: .8rem;
  top: -.2rem;
  left: -.05rem !important;
  color: #44abf4; 
}

.sidenote:before {
  content: counter(sidenote-counter) " ";
  font-size: .8rem;
  top: -0.2rem;
  color: #44abf4; 
}

blockquote .sidenote,
blockquote .marginnote {
  min-width: 59%;
  text-align: left;
}
}

:root {
  font-size: clamp( 14px, 2.5vw, 20px );
}

body {
  font-family: 'Roboto-slab', serif;
  margin: 0;
  background-color: var(--bg-color);
  flex-direction: column;
}

.header{
  position: sticky;
  top: 0px; 
  background: var(--bg-color);
  z-index: 1;
}

.music-player {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  margin-inline: 12.5%;
  z-index: 1000;
  background-color: var(--bg-color);
}

#play-pause-btn {
  background: none;
  border: none;
  font-size: inherit; 
  cursor: pointer;
}

#seek-bar {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 3px;
  background: #333;
  border-radius: 2px;
  cursor: pointer;
}

#seek-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  background: #333;
  border-radius: 50%;
  cursor: pointer;
}

#seek-bar::-moz-range-thumb,
#seek-bar::-ms-thumb {
  width: 10px;
  height: 10px;
  background: #333;
  border-radius: 50%;
  cursor: pointer;
}

#current-time,
#duration {
  font-size: inherit; 
}

a {
  color: #44abf4;
  text-decoration: none; 
}

a:hover {
  text-decoration: underline;
}

html {
  scroll-behavior: smooth; 
}

img {
  max-width: 100%;
}

.sidenote,
.marginnote {
  position: relative;
  font-size: 17px;
  box-sizing: border-box;
}

@media (min-width: 1150px) {
  .sidenote,
  .marginnote {
    width: var(--sidenote-width);
    float: right;
    clear: right;
    padding-left: 50px;
    margin-right: calc(var(--sidenote-width) * -1);
  }
}

@media (max-width: 1150px) {
  .sidenote,
  .marginnote{
    display: none;
    text-align: center;
    padding-top: 20px;
  }

  .margin-toggle:checked + .sidenote, .margin-toggle:checked + .marginnote {
    display: block;
    font-size: 12px;
    
  }
}

.sidenote-number {
  counter-increment: sidenote-counter;
}

.sidenote-number:after,
.sidenote:before {
  position: relative;
  vertical-align: baseline;
}

.sidenote-number:after {
  content: counter(sidenote-counter);
  font-size: 1rem;
  top: -0.5rem;
  left: 0.1rem;
}

.sidenote-number:after {
  content: counter(sidenote-counter);
  font-size: .8rem;
  top: -.2rem;
  left: -.05rem !important;
  color: #44abf4;
}

.sidenote:before {
  content: counter(sidenote-counter) " ";
  font-size: .8rem;
  top: -0.2rem;
  color: #44abf4;
}

blockquote .sidenote,
blockquote .marginnote {
  min-width: 59%;
  text-align: left;
}



div.fullwidth,
table.fullwidth {
  width: 100%;
}

div.table-wrapper {
  overflow-x: auto;
  font-family: "Trebuchet MS", "Gill Sans", "Gill Sans MT", sans-serif;
}

.fullwidth {
  max-width: 90%;
  clear: both;
}

input.margin-toggle {
  display: none;
}

label.sidenote-number {
  display: inline-block;
  max-height: 2rem;
}

label.margin-toggle:not(.sidenote-number) {
  display: none;
}

.iframe-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 25px;
  height: 0;
}

.iframe-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.centered-text-container {
  display: flex;
  justify-content: center; 
  align-items: center; 
  text-align: center; 
}

.centered-text {
  padding-block: 2rem;
  font-size: inherit; 
  color: #333; 
  text-wrap: balance;
}

.images {
  text-align: center; 
  font-size: 0.8em;
}

.images img {
  display: block;
  margin: 0 auto;
  width: 50%; 
}

.sidebar {
  background-color: var(--bg-color);
  color: #333;
  text-decoration: none;
  /* height: calc(100vh - 40px); */
  overflow-y: auto;
  z-index: 100;
}

@media (min-width: 1150px) {
  .sidebar {
    position: fixed;
    top: 200px; 
    width: 290px;
    line-height: 1.2;
  }
}

.right-sidebar {
  width: 250px;
  background-color: var(--bg-color);
  padding: 20px;
  text-decoration: none;
  position: sticky;
  top: 20px;
  right: 20px; 
  height: calc(100vh - 40px);
  overflow-y: auto;
  z-index: 100;
  font-size: inherit; 
}

.sidebar ul {
  padding-left: 0;
  list-style-type: none;
}

.sidebar a {
  color: #333;
  text-decoration: none;
}

.sidebar a:hover {
  color: #7e7d7d;
}

.right-sidebar .image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 15px; 
}

.right-sidebar .small-text {
  font-size: inherit; 
  color: #333;
  text-align: center;
}

.content {
  flex: 1;
  color: #333;
  font-size: inherit;
  scroll-behavior: smooth;
  overflow-y: auto;
  word-wrap: break-word;
  line-height: 1.2;
}

@media (min-width: 1150px) {
  .content {
    padding: 0rem var(--sidenote-width) 4rem 0;
    margin-left: 320px;
  }
}

.new-chapter {
  text-indent: 1em; 
  margin: 0; 
}

.center-text {
  color:#333;
  font-variant: small-caps;
  word-wrap: break-word;
  line-height: 1.2;
}

.center-container {
  display: flex;
  justify-content: center; 
  align-items: center;     
  height: 100vh;           
}

.chapter {
  display: none;
  opacity: 0;
  scroll-margin-top: 100px;
}

.chapter.active {
  display: block;
  opacity: 1;
}

.u{
  color: #333; 
}

.centered-text {
  font-variant: small-caps;
  word-wrap: break-word;
  line-height: 1.2;
}

.centered-text2 {
  text-align: center;
  color: #333; 
}

p, .sidebar a, .right-sidebar .small-text {
  font-size: inherit; 
  word-wrap: break-word;
  line-height: 1.2;
}

.image-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.small-text {
  font-size: inherit; 
  color: #555;
  display: flex;
  justify-content: center;
  align-items: center;
}

::selection {
  background-color: #00FF00;
  color: #333;
}