:root {
  /* --main-primary: #6d5dfc;
  --darker-primary: #5b0eeb; */
  --lighter-primary: #23fc6f;
  --main-primary: #1DB954;
  --darker-primary: #16873e;
  --lighter_bg_color: #FFFFFF;
  --main_bg_color: #E4EBF5;
  --darker_bg_color: #c8d0e7;
  --text-color: #474e5f;
  --text-color-alt: #E4EBF5;
  --border-width: 1px;
  --border-color: #474e5f17;
  --logout-color: #f44336;
}

html{
  display: flex;
  justify-content: center;

  scrollbar-width: none;
  scroll-behavior: smooth;
  transition: all .3s ease;
  font-family: 'Helvetica Neue', sans-serif;

  color: var(--text-color);
  background: var(--main_bg_color);

  *, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: inherit;
    text-decoration: none;
    color: unset;
    transition: all 0.3s ease;
  }
  h2, h3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
  }
  h4, h5 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
  } 
  button, a{
    -webkit-tap-highlight-color: transparent;
  }
  i {
    font-weight: 900;
  }
  &.dark{
    --main-primary: #1DB954;
    --darker-primary: #16873e;
    --lighter_bg_color: #252525;
    --main_bg_color: #121212;
    --darker_bg_color: #000000;
    --text-color: #E4EBF5;
    --border-width: 1px;

    --text-color-alt: #121212;
    --border-color: #e4ebf52a;
  }
}

body{
    display: flex;
    width: 100%;
    flex-direction: column;
    position: relative;
}

header{
  margin: 20px 20px 10px;
  padding: 10px;
  height: 80px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  box-sizing: border-box;
  top: 20px;
  z-index: 5;
  .dropbtn{
    height: 100%;
    aspect-ratio: 1/1;
    &:hover{
      aspect-ratio: 1.25/1;
    }
    &:active,
    &.toggle{
      aspect-ratio: 1.5/1;

    }
  }
  .logo{
    height: 100%;
    padding: 20px 20px;
    font-size: unset !important;
    &:hover{
      padding: 20px 30px;
    }
  }
  .dropdown-content{
    padding: 10px;
    translate: -10px;
    border-radius: 40px;
    position: fixed;
    display: flex;
    top: 80px;
    opacity: 0;
    visibility: hidden;
    flex-direction: column;
    gap: 10px;
    &.show{
      opacity: 1;
      visibility: visible;
      top: 120px;
    }
    button {
      width: 180px;
      height: 60px;
      display: flex;
      gap: 10px;
      justify-content: start !important;
      align-items: center;
      background-color: transparent;
      &.login,
      &.logout{
        color: var(--text-color-alt);
        height: 60px;
      }
      &.login{
        background-color: var(--main-primary);
      }
      &.logout{
        background-color: var(--logout-color);
      }
    }
    .header-slider {
      height: 60px;
      width: 180px;    
      border-radius: 50px;
      position: absolute;
      background-color: var(--main-primary);
      z-index: -1;
    }
  }
}

main {
  width: 100%;
  display: flex;
  flex-direction: row;
  min-height: calc(100vh - 220px);
  .gap{
    flex-grow: 1;
  }

}

.style{
  display: flex;
  transition: all .3s ease;
  border-radius: 50px;
  outline: none;
  border: none;
  background-color: var(--main_bg_color);
  box-shadow: 0.3rem 0.3rem 0.6rem var(--darker_bg_color),
              -0.2rem -0.2rem 0.5rem var(--lighter_bg_color);
  border-width: var(--border-width);
  border-style: solid;
  border-color: var(--border-color);
  &:hover{
    border-color: var(--main-primary);
  }
  &.btn {
    justify-content: center;
    text-align: center;
    align-items: center;
    padding: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    &:hover{
      font-weight: 900;
    }
    &:active,
    &.toggle{
      background-color: var(--main-primary);
      color: var(--main_bg_color);
      font-weight: 900;
    }
  }
  
  &.inset {
    box-shadow: inset 0.3rem 0.3rem 0.6rem var(--darker_bg_color),
    inset -0.2rem -0.2rem 0.5rem var(--lighter_bg_color);
  }
  
  &.active{
    color: var(--main_bg_color);
    background-color: var(--main-primary);
    box-shadow: inset 0.3rem 0.3rem 0.6rem var(--darker-primary),
    inset -0.2rem -0.2rem 0.5rem var(--main-primary);
  }
  &.card {
      box-sizing: border-box;
      overflow: hidden;
      position: relative;
  }

  &.link{                       
      padding: 5px 10px;
      cursor: pointer;
      &:hover{
          color: var(--main-primary);
      }
  }
}

.profile {
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-sizing: border-box;
  width: 100%;
  padding: 10px 20px;
  .profile-info{
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 10px;
    .info-row{
      justify-content: space-between;
      padding: 10px;
      height: 80px;
      .info-label,
      .info-value{
        padding: 0px 15px;
        height: 100%;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        font-weight: bold;
      }
    }  
  } 
  .profile-header{
    border-radius: 40px;
    z-index: 4;
    height: 275px;
    display: flex;
    flex-direction: column;
    padding: 20px;
    justify-content: space-between;
    align-items: center;
    img {
      z-index: 5;
      width: 200px;
      border-radius: 50%;
      box-shadow: 0.3rem 0.3rem 0.6rem var(--darker_bg_color), -0.2rem -0.2rem 0.5rem var(--lighter_bg_color);
      cursor: pointer;
    }
    h2{
      z-index: 6;
      overflow: unset;
      a{
        font-style: italic;
        color: var(--main-primary);
        font-size: larger;
      }  
    }  
    .wave1, .wave2, .wave3 {
      scale: .95;
      width: 200px;
      border-radius: 50%;
      aspect-ratio: 1/1;
      position: absolute;
      filter: blur(1px);
      box-shadow: 0.4rem 0.4rem 0.8rem var(--darker_bg_color), -0.4rem -0.4rem 0.8rem var(--lighter_bg_color);
    }
    .wave1 {
      -webkit-animation: waves 6s linear infinite;
              animation: waves 6s linear infinite;
    }
    .wave2 {
      -webkit-animation: waves 6s linear 2s infinite;
              animation: waves 6s linear 2s infinite;
    }
    .wave3 {
      -webkit-animation: waves 6s linear 4s infinite;
              animation: waves 6s linear 4s infinite;
    }
  }  
 
}

.tracks{
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 10px 20px;
  box-sizing: border-box;
  gap: 20px;
  .tracks-header{
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 20px;
    h2{
      font-size: 2.5em !important;
      font-weight: bold;
    }
    p{
      font-size: 1.1em;
      span{
        font-size: 1.2em;
        font-style: italic;
        font-weight: bold;
        color: var(--main-primary);
      }
    }
  }

  .col-toggle {
    display: flex;
    padding: 10px;
    input{
      display: none;

      &:checked + label{
        .slider{
          transform: translateX(100%);
        }
        .recent{
          color: var(--main_bg_color);
        }
      }
      &:not(:checked) + label .top {
        color: #fff;
      }
    }
    label {
      display: flex;
      align-items: center;
      position: relative;
      height: 50px;
      width: 100%;
      cursor: pointer;
      /* border: unset; */
    }
    p {
      flex: 1;
      text-align: center;
      font-weight: bold;
      z-index: 2;
    }
    .slider {
      position: absolute;
      height: 100%;
      width: 50%;
      z-index: 1;
      color: var(--main_bg_color);
      background-color: var(--main-primary);
    }
  }

  .music-cols {
    display: none;
    width: 100%;
    box-sizing: border-box;
    flex-direction: column;
    gap: 20px;
    counter-reset: button-counter;
    &.active{
      display: flex;
    }
    .record{
      display: flex;
      flex-direction: column;
      padding: 10px;
      border-radius: 40px;
      .main{
        display: flex;
        flex-direction: row;
        border-radius: 30px;
        &::before{
          position: absolute;
          font-size:40px;
          bottom: 5px;
          opacity: 0.2;
          right: 15px;
          counter-increment: button-counter;
          content: counter(button-counter);
        }
        .image{
          display: flex;
          height: 150px;
          aspect-ratio: 1/1;
          overflow: hidden;
          border-radius: 30px;
          img {
            aspect-ratio: 1/1;
            width: 100%;
          }
        }
        .details-div{
          display: flex;
          flex-direction: column;
          align-items: start;
          justify-content: space-between;
          padding: 10px;
          flex: 1;
          .top{
            display: flex;
            flex-direction: column;
          }
          .toggle-more{
            font-size: unset;
            padding: 10px;
            width: 115px;
            justify-content: start;
            gap: 5px;
            &:active{
              width: 120px;
            }
            &.toggle{
              width: 120px;
            }
          }
        }
      }
      .expandable{
        max-height: 0;
        visibility: hidden;
        opacity: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
        transition: all .5s ease;
        &.show{
          opacity: 1;
          visibility: visible;
          max-height: 400px;
          padding-top: 10px;
        }
        h1{
          font-style: italic;
          text-align: center;
        }
        .genres-row{
          display: flex;
          flex-direction: row;
          flex-wrap: wrap;
          gap: 10px;
          padding: 10px;
          a{
            flex: 1;
            min-height: 40px;
            padding: 5px;
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            font-weight: bold;
            font-size: 1.1em;
          }
        }
        .similar-rows{
          display: flex;
          flex-direction: column;
          width: 100%;
          gap: 10px;
          padding: 10px;
          border-radius: 30px;
          .song-line {
            font-weight: bold;
            font-size: 1.1em;
            text-align: start;
            display: flex;
            flex-direction: row;
            gap: 10px;
            justify-content: start;
            padding: 10px;
            border-radius: 20px;
            width: max-content;
            min-height: 40px;
            max-width: 100%;
            
          }
        }
      }
    }
  }
}

.home{
  display: flex;
  width: 100%;
  padding: 10px 20px;
  box-sizing: border-box;
  flex-direction: column;
  gap: 20px;
  section{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    text-align: center;
    padding: 20px;
    gap: 10px;
    p {
      font-size: 1.15rem;
    }
  }
  
  .hero-section{
    height: 225px;
  }

  .tech-explain {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .tech-card {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 15px;
    padding: 15px;
    &:hover {
      transform: translateY(-4px);
    }
    .tech-icon {
      display: flex;
      gap: 8px;
      img {
      height: 45px;
      width: auto;
      align-items: center;
      }
    }
  }


  .register-section {
    max-height: 600px;
    > p a {
      font-weight: 900;
      font-style: italic;
      color: var(--main-primary);

      &:hover {
        text-decoration: underline 2px solid var(--main-primary);
      }
    }

    #register-form {
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 20px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      overflow: hidden;
      max-height: 600px;

      label,
      input {
        width: 60%;
        font-weight: 900;

        &:active,
        &:focus {
          padding: 20px;
          width: 75%;
        }
      }

      &.hidden {
        max-height: 0;
        padding: 0px 15px
      }
    }
  }

  .tech-section {
    text-align: center;
    overflow: hidden;
    border-radius: 60px;
    padding: 10px;
    .carousel {
      padding: 10px;
      height: 100px;
      width: 100%;
      overflow: hidden;
      position: relative;
      .carousel-track {
        display: flex;
        width: 100%;
        animation: scroll 15s linear infinite;
        div {
          flex: 0 0 auto;
          width: 80px;
          margin: 0 25px;
          img{
            width: 100%;
            height: auto;
            transition: transform 0.3s ease, filter 0.3s ease;
          }
        }
      }
    }
  }
  .contact {
    display: flex;
    justify-content: space-between;
    flex-direction: row !important;
    align-items: center;
    padding: 20px;
    text-align: left;
    .left{
      display: flex;
      flex-direction: column;
      align-items: start;
      flex: 1;
      h3 {
        margin: 0;
        font-size: 1.2rem;
        font-weight: bold;
      }
      
      p {
        margin: 5px 0 0;
        font-size: 0.9rem;
      }
    }
    .right {
      display: grid;
      grid-template-columns: repeat(2, 40px);
      grid-template-rows: repeat(2, 40px);
      gap: 15px;
      img {
        width: 32px;
        height: 32px;
        transition: transform 0.2s ease-in-out;
        &:hover {
          transform: scale(1.2);
        }
      }
    }
  }
}

.data{
  display: flex;
  flex-direction: column;
  padding: 10px 20px;
  gap: 20px;
  box-sizing: border-box;
  width: 100%;
  .wordcloud-genres,
  .wordcloud-artists,
  .playlist-playcount,
  .network-section,
  .pie-year{
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    border-radius: 60px;
    .plot-details{
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      align-items: center;
      text-align: center;
      padding: 20px;
    }
    .canvas{
      padding: 10px;
      canvas{
        height: 250px;
      }
    }
  }
  .iframe{
    overflow: hidden;
    iframe{
      scale: 1.05;
    }
  }
  .plot-details{
    display: flex;
    flex-direction: column;
    gap: 10px;
    p {
      padding: 10px;
    }
  }
}

@keyframes scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-350%);
  }
}
@-webkit-keyframes waves {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}
@keyframes waves {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

@media (max-width: 499px) {
  body {
    width: 100%;
    margin: 0 auto;
  }
}

@media (min-width: 500px) {
  body {
    width: 500px;
    margin: 0 auto;
  }
}