.converter {
      max-width: 700px;
      margin: 0 auto 40px auto;
    }

    .copy {
      font-size: 14px;
      color: #555;
      margin-bottom: 5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .row-layout {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: nowrap;
      gap: 8px;
      margin-bottom: 16px;
    }

    .result-label {
      width: 130px;
      font-weight: bold;
      text-align: right;
      font-size: 16px;
    }

    input[type="number"] {
      width: 100px;
      padding: 5px;
      font-size: 17px;
      text-align: center;
      border: 2px solid #d7e2fa;
      border-radius: 6px;
    }

    select {
      width: 200px;
      height: 35px;
      background: #fff;
      padding: 4px 8px;
      font-size: 16px;
      border: 2px solid #d7e2fa;
      border-radius: 6px;
      text-align: center;
    }

    .result-layout {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 20px;
      flex-direction: row;
    }

    .result-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border: 2px solid #4caf50;
      border-radius: 6px;
      background: #f1f8e9;
      padding: 8px;
      color: #2e7d32;
      font-size: 16px;
      width: 240px;
      position: relative;
    }

    .copy-button {
      padding: 6px 10px;
      font-size: 13px;
      cursor: pointer;
      background: #eeeeee;
      border: 2px solid #cccccc;
      border-radius: 6px;
    }

    .copied-msg {
      position: absolute;
      right: 80px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 12px;
      color: #4caf50;
      opacity: 0;
      transition: opacity 0.3s ease-in-out;
    }

    .copied-msg.visible {
      opacity: 1;
    }

    @media (max-width: 500px) {
      .row-layout {
        flex-direction: column;
        align-items: center;
        justify-content: center;
      }

      .result-label {
        width: auto;
        text-align: center;
      }

      .result-layout {
        flex-direction: column;
        align-items: center;
      }

      input[type="number"],
      select {
        margin-top: 4px;
      }
    }