body {
      font-family: 'Segoe UI', sans-serif;
      background: linear-gradient(to right, #fceabb, #f8b500);
      margin: 0;
      padding: 30px;
    }

    .container {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
    }

    .prompt-card {
      background: white;
      color: #333;
      border-radius: 15px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
      padding: 20px;
      max-width: 300px;
      flex: 1 1 250px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .prompt-text {
      font-size: 15px;
      line-height: 1.5;
      margin-bottom: 15px;
    }

    .copy-btn {
      padding: 10px 15px;
      background: #00c853;
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: background 0.3s ease;
      font-weight: bold;
    }

    .copy-btn:hover {
      background: #009624;
    }

    .copied {
      background: #2962ff !important;
    }