body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    background-color: #100839;
    color: #fff;
    line-height: 1.6;
  }
  
  .container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
  }
  
  .section-card {
    background-color: rgba(12, 15, 40, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 0 20px rgba(111, 66, 193, 0.3);
    transition: transform 0.3s;
  }
  
  
  .section-card h2 {
    font-size: 1.8rem;
    background: linear-gradient(to right, #00f0ff, #a600ff);
    background-clip: text;
    -webkit-background-clip: text;
  
    margin-bottom: 1rem;
  }
  
  .btn {
    display: inline-block;
    background-color: #0f1471;
    color: #fff;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 30px;
    font-weight: bold;
    margin: 0.5rem 0.3rem;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
  }
  
  .btn:hover {
    background-color: #060948;
  }
  
  .btn.signout {
    margin: 1rem;
    background-color: #711616;
  }
  
  .btn.signout:hover {
    background-color: #060948;
  }
  
  .password-field {
    cursor: pointer;
    color: #00d1ff;
    user-select: none;
  }
  
  .progress-container {
    background-color: rgba(255, 255, 255, 0.1);
    height: 24px;
    border-radius: 0.5rem;
    overflow: hidden;
    position: relative;
    margin: 1rem 0;
    overflow: hidden;
  }
  
  .progress-bar {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, #f00, #f90, #ff0, #0f0);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    clip-path: inset(0 calc(100% - var(--progress)) 0 0);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #fff;
    border-radius: 0.5rem;
    transition: width 1s ease-in-out;
    overflow: hidden;
  }
  
  h1 {
    text-align: center;
    color: #faf9f7;
    margin-bottom: 20px;
  }
  
  h2 {
    color: #f1c606;
  }

  .section-card ul li{
    border-bottom: 1px solid white;
  }

  .section-card ul li:has(.barsDiv.active){
    padding-bottom: 1.5rem;
  }

  .section-card ul li p{
    font-weight: bold;
    height: 4rem;
    box-sizing: border-box;
    display: flex;
    text-align: left;
    flex-direction: row;
    justify-content: left;
    align-items: center;
    padding: auto;
    margin: 0;
    cursor: pointer;
  }

  .topicDiv{
    box-sizing: border-box;
    height: fit-content;
    max-height: 0;
    margin-left: 2rem;
    overflow: hidden;
    transition: all 0.3s ease-in-out;
  }
  .topicDiv.topicActive{
    max-height: 500px;
    border-bottom: 1px solid white;
  }
  .topicDiv:last-child{
    border-bottom: none;
  }
  .section-card ul li .topicDiv p{
    cursor: pointer;
    display: flex;
    flex-direction: row;
    justify-content: left;
    align-items: center;
  }
  .section-card i{
    display: inline;
    width: min-content;
    margin: 1rem;
  }
  

  .barsDiv{
    box-sizing: border-box;
    height: fit-content;
    max-height: 0;
    margin-left: 2rem;
    overflow: hidden;
    transition: all 0.3s ease-in-out;
  }
  .barsDiv.barsActive{
    max-height: 500px;
  }
  
  .topic-title{
    font-weight: bold;
    color: white;
  }
  
  .progress-text {
    position: absolute;
    right: 10px;
    top: 0;
    color: white;
    font-size: 12px;
    line-height: 20px;
    font-weight: bold;
  }
  
  .practice-btn {
    margin-top: 8px;
    padding: 0.5rem 1rem;
    background-color: #0f1471;
    border: none;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease-in-out;
  }
  
  .practice-btn:hover {
    background-color: #097178;
  }
  
  footer {
    text-align: center;
    padding: 2rem 1rem;
    background-color: #0a102a;
    color: #999;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  details {
    margin: 1rem 0;
    background-color: #141f3a;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.1);
  }
  
  summary {
    font-weight: 600;
    font-size: 1.2rem;
    cursor: pointer;
    color: #00ccff;
    outline: none;
  }
  
  ul {
    list-style: none;
    padding-left: 20px;
  }
  
  @media (max-width: 768px) {
    .container {
      padding: 1rem;
    }
    .section-card{
        padding: 1rem;
        font-size: 1rem;
    }
  }

  footer {
    text-align: center;
    padding: 1.5rem 1rem;
    background-color: #1f1359;
    color: white;
    font-size: 0.9rem;
  }