body {
      background-color: var(--color-light);
    }

    .container {
      border: 0;
      width: 1080px;
      background: #fff;
      border-radius: 8px;
      display: flex;
      flex-direction: row;
      padding: 8px;
      margin: 4px auto;
      justify-content: space-between;
    }

    .container {
      border: 0;
      width: 1080px;
      background: #fff;
      border-radius: 8px;
      display: flex;
      flex-direction: row;
      padding: 8px;
      margin: 4px auto;
    }

    header.title {
      background-color: #fff;
      width: 1080px;
      margin: 0 auto;
      padding: 8px;
      border-bottom-left-radius: 8px;
      border-bottom-right-radius: 8px;
    }

    #headerUserBack {
      margin-right: 0;
    }

    #headerUserBack img {
      background: var(--header-bgcolor);
      padding: 8px;
      border-radius: 8px;
    }

    .setting {
      gap: 8px;
      background-color: #fff;
      border-radius: 3px;
      min-height: 45px;
      padding: 8px;
      display: flex;
      flex-direction: column;
      width: 350px;
    }

    .outputBox div {
      height: 28px;
      display: flex;
      flex-direction: row;
      justify-content: space-between;
      border-bottom: 1px solid #eee;
      align-items: center;
      margin: 0;
      padding: 0;
      border-bottom: 0;
    }

    #downloadButton {
      line-height: 25px;
      text-decoration: none;
      text-align: center;
      width: 80px;
      height: 28px;
      background-color: var(--color-black);
      color: white;
      cursor: pointer;
      border-radius: 3px;
      border: 0;
      margin-left: 8px;
    }

    .file-info {
      padding: 8px;
      min-height: 36px;
      align-items: center;
      justify-content: space-between;
      column-gap: 16px;
      background-color: #fff;
      border-radius: 3px;
      display: none;
    }

    #settingBox fieldset {
      border: 1px solid #ccc;
      border-radius: 5px;
   
      height: 80px;
      border: 1px solid #ccc;
      border-radius: 5px;
      padding: 8px;
      font-size: 14px;
    }

    #compressOption {
      height: 22px;
      text-align: center;
      font-weight: 700;
      color: var(--color-black);
    }

    #compressButton {
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      height: 36px;
      background-color: var(--color-blue);
      color: white;
      cursor: pointer;
      border-radius: 3px;
      border: 1px solid var(--color-blue);
      transition: all 0.3s ease;
    }

    .outputBox {
      padding: 8px;
      font-size: 14px;
      outline: 1px solid #aaa;
      border-radius: 3px;
      background-color: #fafafa;
  
      display: none;
    }

    #settingBox fieldset legend {
      padding: 0 5px;
      font-weight: bold;
    }

    #settingBox label {
      align-items: center;
      display: flex;
      justify-content: space-between;
      margin: 8px;
    }

    #inputFiles {
      display: none;
      padding: 8px;
      align-items: center;
      justify-content: space-between;
      background-color: #fff;
      border-radius: 3px;
      flex-direction: column;
      outline: 1px solid #aaa;
      border-radius: 3px;
      background-color: #fafafa;
    }

    .file-info .qualityRangeBox {
      display: flex;
      align-items: center;
      gap: 8px;
      justify-content: center;
    }

    #qualityRangeLabel {
      visibility: hidden;
    }

    .file-info #qualityRange {
      width: 150px;
    }

    .file-info #qualityValue {
      width: 50px;
      color: #000;
    }

    .file-info #compressButton {
      border-radius: 3px;
      border: 0;
      background: var(--button-color);
      color: #fff;
      width: 60px;
      height: 36px;
      cursor: pointer;
      font-size: 13px;
      visibility: hidden;
    }

    .file-info #compressButton:disabled {
      background-color: #999;
      cursor: default;
    }

    
    .file-info>* {
      flex: 1;
    }

    #fileList {
      margin-top: 8px;
      position: relative;
      font-size: 14px;

      height: calc(100vh - 136px);
      background-color: #fff;
      outline: 1.5px solid var(--color-dark);
      border-radius: 3px;
      overflow-x: hidden;
      overflow-y: auto;
    }

    .fileListHeader {
      font-weight: 500;
      height: 32px;
      background-color: #f9f9f9;
      color: #000;
    }

    #fileList li.fixed-header {
      margin: 0;
      width: 100%;
    }

    .fileListHeader div {
      flex: 1;
    }

    .fileListItem>* {
      flex: 1;
    }

    .fixed-header {
      font-weight: bold;
      position: sticky;
      top: 0;
      z-index: 1;
    }

    .fileListItem {
      font-weight: normal;
    }

    .section .file-info span {
      color: #333;
      margin-right: 16px;
      margin-left: 3px;
    }

    .grid-item svg {
      width: 54px;
      height: 54px;
      color: var(--color-dark);
    }

    #app_title {
      align-items: center;
      justify-content: center;
      flex: 1;

      display: none;
    }

    .downloadBtn {
      color: #0056b3;
      cursor: pointer;
    }

    #fileInput {
      font-size: 13px;
    }

    #fileList {
      position: relative;

      list-style: none;
      display: none;
      width: 700px;
    }

    #fileList button {
      background: #000;
      color: white;
      padding: 4px 8px;
      border-radius: 6px;
      border: none;
      cursor: pointer;
      transition: all 0.2s;
    }

    #fileList button:hover {
      background: #0056b3;
    }

    #fileList button:disabled {
      background: #cccccc;
      cursor: not-allowed;
    }

    #fileList li {
      
      margin: 1%;
      width: 98%;
    }

    #fileList .file-header {
      text-align: center;
      display: flex;
      align-items: center;
      gap: 16px;
      justify-content: space-between;
      font-size: 14px;
    }

    #fileList .thumbnail {
      width: 50px;
      height: 50px;
      border-radius: 3px;
      object-fit: cover;
    }

    .file-info .name {
      color: #333;
    }

    .file-info .meta {
      color: #888;
      font-size: 13px;
    }

    .status {
      color: #999;
      font-size: 13px;
    }

    .processing-details {

      font-size: 13px;
      color: #444;
    }

    #qualityRangeLabel {
      width: 296px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    #compressButton:disabled {
      background-color: var(--black-30);
      cursor: default;
      border: 0;
    }

    #compressButton:hover {
      transform: scale(1.03);

      border: 0;
    }

    
    #guidePage {
      width: 1080px;
 
      flex: 1;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      margin-top: 0;
    }

    .upload-label {
      margin-bottom: 54px;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 245px;
      height: 60px;
      background-color: var(--black-90);
      color: white;
      cursor: pointer;
      border-radius: 3px;
    }

    #inputFiles {
      display: none;
    }

    .grid-container {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      grid-gap: 0;
      width: 60%;
    }

    .grid-container .grid-item {
      padding: 3px;
      text-align: center;
      margin-top: 48px;
    }

    .grid-container .grid-item p {
      font-size: 16px;
      line-height: 20px;
      margin-top: 4px;
      color: #333;
    }

    .image_title {
      font-size: 36px;
     
      margin: 8px;
      font-weight: 700;
    }

    .image_title div {
      font-size: 16px;
      color: #666;
      margin: 8px ;
      line-height: 23px;
      font-weight: normal;
    }

    #optimizeSize {
      width: 18px;
      height: 18px;
    }

    
    @media (max-height: 600px) {
      .grid-container .grid-item {
        margin: 0;
      }
    }

    @media screen and (orientation: portrait) {

      .setting {
        height: 550px;
        margin: 1%;
        padding: 0;
        width: 98%;
        gap: 8px;
        outline: 0;
      }

      header.title {
        width: 98%;
        padding: 1%;
      }

      .container {
        width: 98%;
        padding: 1%;
        flex-direction: column;
        justify-content: flex-start;
        overflow: hidden;
      }

      .upload-label {
        margin-bottom: 8px;
      }

      .container .file-info {
        width: 100%;
        justify-content: space-between;
        min-height: 36px;
        font-size: 14px;
      }



      #convertAllBtn:disabled {
        background-color: #999;
        cursor: default;
      }

      #guidePage {
        width: 100%;
        margin: 0 auto;
        margin-top: 0;
      }

      .grid-container .grid-item {
        margin-top: 12px;
      }

      .grid-container .grid-item p {
        font-size: 13px;
      }

      #fileList {
        width: 100%;
        margin: 8px 0;
        height: 100%;
      }

        #compressButton:hover {
      transform: unset;

      border: 0;
    }

      .grid-container {
        width: unset;
        padding: 0;
        margin-top: unset;
        grid-gap: 0;
      }

      .grid-container .grid-item p {
        font-size: 13px;
        margin-top: 3px;
      }

      .section .file-info {
        flex: unset;
        font-size: 13px;
        width: 100vw;
        padding: 0;
      }

      #fileInput {
        width: 70px;
      }

      #qualityRangeLabel {
        width: 180px;
      }

      .file-info>* {
        flex: unset;
      }

      .file-info #qualityValue {
        width: 16px;
      }

      .file-info #qualityRange {
        width: 100px;
      }

      .section .file-info {
        width: 96dvw;
        margin: 1dvw;
        padding: 1dvw;
        justify-content: space-around;
        outline: 1px solid #aaa;
      }

      .title {
        margin-bottom: 0;
      }

      .fileNameHeader,
      .fileName {
        display: none;
      }

      #fileList .file-header {
        gap: 0;
        font-size: 12px;
      }

      .fileListHeader {
        font-weight: normal;
        background-color: #f9f9f9;
      }

      .section {
        display: block;
      }

      .file-info #compressButton {
        height: 30px;
        font-size: 13px;
      }

      .grid-container .grid-item {
        margin-top: 12px;
      }
    }