:root {
      --bg: #f4f7fc;
      --text: #222;
      --subtext: #555;
      --border: #ddd;
      --primary: #007bff;
    }

    body {
      font-family: "Inter", Arial, sans-serif;
      background: #2A7B9B;
      background: linear-gradient(90deg, rgba(42, 123, 155, 1) 0%, rgba(87, 199, 133, 1) 50%, rgba(237, 221, 83, 1) 100%);
      margin: 0;
      padding: 0;
      color: var(--text);
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    header {
      text-align: center;
      padding: 2rem 1rem 1rem;
    }

    header h1 {
      font-size: 1.8rem;
      margin-bottom: 0.5rem;
    }

    header p {
      color: var(--subtext);
      margin: 0;
    }

    main {
      display: flex;
      justify-content: center;
      padding: 1rem;
      flex-grow: 1;
    }

    .card {
      background-color: rgb(199, 199, 199);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 1.5rem;
      max-width: 600px;
      width: 100%;
      box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    }

    .info {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      margin-bottom: 1.5rem;
      gap: 1rem;
    }

    .info div {
      flex: 1;
      min-width: 240px;
    }

    .info h3 {
      margin-bottom: 0.5rem;
      font-size: 1rem;
    }

    .info p {
      margin: 0.2rem 0;
      color: var(--subtext);
      line-height: 1.4;
    }

    .buttons {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
      gap: 0.75rem;
      margin-bottom: 20px;
    }

    .buttons button {
      padding: 0.75rem;
      font-size: 1rem;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: #fff;
      cursor: pointer;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
       transition: 0.5s;
    }

    .buttons button:hover {
      background: var(--bg);
       transition: 0.5s;
    }

    footer {
      text-align: center;
      background-color: var(--bg);
      color: var(--subtext);
      font-size: 0.9rem;
      padding: 1rem;
      border-top: 1px solid var(--border);
      position: fixed;
      bottom: 0;
      width: -webkit-fill-available;
    }

    #middle_button {
      background-color: rgb(199, 199, 199);
      height: 200px;
      width: 80%;
      border-radius: 10px;
       transition: 0.5s;
    }
#middle_button:hover {
  background-color: rgb(151, 151, 151);
  transition: 0.5s;
}

#textBlock {
  border: 1px solid rgb(102, 138, 138); 
  background-color: rgb(255, 255, 255);  
  width: max-content; 
  border-radius: 3px;
  
}

#copyBtn {
  background-color: rgba(106, 131, 131, 0.74);
  border: none;
  font-size: 16px;
  width: max-content;
  height: max-content;
  color:#222;

}
    @media (max-width: 480px) {
      header h1 {
        font-size: 1.5rem;
      }
      .card {
        padding: 1rem;
      }
    }

a {
    text-decoration: none;
    color: #222;
}