body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #fff;
  }

.profile-img {
  height: 35px;
  width: 35px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid white;
}
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
  }
  
  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
  }
  
  .grid-item {
    background-color: #1e1e1e;
    padding: 1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .grid-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  }
  
  .grid-item.selected {
    border: 2px solid #00ff9d;
  }
  
  header {
    background-color: #1f1f1f;
    padding: 1rem 0;
    border-bottom: 1px solid #333;
  }
  
  header .nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  footer {
    background-color: #1f1f1f;
    padding: 2rem 1rem;
    border-top: 1px solid #333;
    margin-top: 3rem;
  }
  
  footer .footer-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
  }
  
  footer h4 {
    margin-bottom: 0.5rem;
  }
  
  footer ul {
    list-style: none;
    padding-left: 0;
  }
  
  footer ul li {
    margin-bottom: 0.5rem;
  }
  
  footer ul li a {
    color: #ccc;
    font-size: 0.95rem;
    transition: color 0.2s ease;
  }
  
  footer ul li a:hover {
    color: white;
  }
  
  input,
  button,
  textarea {
    font-family: inherit;
    font-size: 1rem;
    outline: none;
  }
  
  button {
    background-color: #00ff9d;
    color: black;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s ease;
  }
  
  button:hover {
    background-color: #00dd88;
  }
  
  .page-btn {
    background-color: #2b2b2b;
  }
  
  .page-btn:hover {
    background-color: #444;
  }

  .coin-box {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #1a1a1a;
    border: 1px solid #b36cff;
    padding: 0.3rem 0.6 rem;
    border-radius: 6px;
    font-weight: 500;
    color: white;
    min-width: 90px;
    cursor: pointer;
  }
  .coin-box i {
    color: gold;
    margin: 0.4rem;
  }
  .coin-value {
    display: inline-block;
    min-width: 40px;
  }
  
  @media (max-width: 600px) {
    .grid {
      grid-template-columns: 1fr;
    }
  
    header .nav {
      flex-direction: column;
      gap: 0.5rem;
    }
  
    footer .footer-columns {
      grid-template-columns: 1fr;
    }
  }