* {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      background: #f3f4f6;
      font-family: "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
      color: #222;
    }

    .popup {
      width: 400px;
      margin: 12px auto;
      border: 1px solid #cfcfcf;
      background: #f3f4f6;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      overflow: hidden;
    }

    .popup-header {
      height: 56px;
      padding: 0 6px;
      border-bottom: 1px solid #dcdcdc;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 18px;
      color: #444;
    }

    .popup-title {
      display: flex;
      align-items: center;
      gap: 4px;
      font-weight: 700;
    }

    

    .content {
      padding: 5px;
      font-size: 12px;
      line-height: 1.35;
    }

    .receipt-title {
      font-size: 14px;
      font-weight: 700;
      line-height: 25px;
      margin-bottom: 5px;
    }

    .top-select {
      margin-bottom: 5px;
    }

    .top-select select {
      width: 100%;
      height: 18px;
      border: 1px solid #cfcfcf;
      font-size: 7px;
      padding: 0 2px;
      background: #fff;
    }

    .check-row {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-bottom: 4px;
      font-size: 7px;
    }

    .info-block {
      margin-bottom: 6px;
      font-size: 11px;
    }

    .info-line {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 6px;
      margin-bottom: 6px;
    }

    .info-line .label {
      color: #111;
      white-space: nowrap;
    }

    .info-line .value {
      text-align: right;
      color: #444;
      word-break: break-all;
    }

    .receipt-box {
      border: 1px solid #d8d8d8;
      padding: 5px 5px 4px;
      margin-bottom: 6px;
      background: #fff;
    }

    .brand {
      font-size: 10px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 10px;
    }

    .small {
      font-size: 6px;
      color: #555;
    }

    .divider {
      border-top: 1px dashed #8f8f8f;
      margin: 4px 0;
    }

    .section {
      margin-bottom: 4px;
    }

    .row {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 4px;
      margin-bottom: 1px;
    }

    .row .left {
      color: #222;
    }

    .row .right {
      color: #444;
      text-align: right;
      white-space: nowrap;
    }

    .total {
      font-weight: 700;
      font-size: 14px;
    }

    .approval-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 7px;
      font-weight: 700;
      margin-bottom: 3px;
    }

    .notice {
      font-size: 10px;
      color: #666;
      line-height: 1.4;
      border-top: 1px solid #ececec;
      padding-top: 4px;
    }

    .footer-btns {
      display: flex;
      justify-content: center;
      gap: 4px;
      padding: 0 5px 6px;
    }

    .footer-btns button {
      border: 1px solid #bfc7d2;
      background: #f6f8fb;
      color: #333;
      font-size: 14px;
      padding: 10 16px;
      cursor: pointer;
    }