div.spreadsheet * {
    box-sizing: border-box;
    font-size: 20px;
}

div.spreadsheet {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    overflow: scroll;
    scroll-behavior: auto;
    scroll-behavior: smooth;

    visibility: hidden;

    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.3) transparent;
}

div.spreadsheet.visible {
    visibility: visible;
}

div.spreadsheet .table-sheet {
    font-family: "Times New Roman";
    width: 0;
    table-layout: fixed;
    border-collapse: separate;
    border-spacing: 0;
    padding-right: 10px;
    padding-bottom: 10px;
}

div.spreadsheet .resize-layer {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 3;
    pointer-events: none;
}

div.spreadsheet .resize-layer .col-handle {
    position: absolute;
    top: 0;
    width: 7px;
    cursor: col-resize;
    pointer-events: all;
    transform: translateX(-4px);
}

div.spreadsheet .table-sheet .cell-input {
    padding: 5px;
    font-size: 14px;
    font-size: var(--cell-font-size);
}

div.spreadsheet .table-sheet tr td {
    border: none;
    border-right: 1px solid black;
    border-bottom: 1px solid black;
    /* border: 1px solid black; */
    padding: none;
    user-select: none;
    font-size: var(--cell-font-size);

    position: relative;

    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;

    max-height: 40px;
}

div.spreadsheet .table-sheet td img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

div.spreadsheet .table-sheet .add-row-button {
    padding: 10px;
    font-size: 16px;
}

div.spreadsheet .table-sheet .content-left,
div.spreadsheet .table-sheet .content-right,
div.spreadsheet .table-sheet .content-center {
    display: flex;
    align-items: center;
}

div.spreadsheet .table-sheet .left {
    text-align: left;
}

div.spreadsheet .table-sheet .right {
    text-align: right;
}

div.spreadsheet .table-sheet .center {
    text-align: center;
}

div.spreadsheet .table-sheet thead tr {
    background-color: rgb(255, 255, 255);
    position: sticky;
    z-index: 2;
    top: 0;
}

div.spreadsheet .table-sheet thead tr td {
    border-top: 1px solid black;
    background-color: rgb(205, 205, 205);
}

div.spreadsheet .table-sheet thead td:first-child {
    border-left: 1px solid black;
}

div.spreadsheet .table-sheet tbody td:first-child {
    background-color: rgb(205, 205, 205);
    border-left: 1px solid black;
}

div.spreadsheet .context-menu {
    position: fixed;
    background: white;
    border: 1px solid #ccc;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    padding: 4px 0;
    font-size: 14px;
}

div.spreadsheet .context-menu div {
    padding: 6px 12px;
    cursor: pointer;
}

div.spreadsheet .context-menu div:hover {
    background: #f0f0f0;
}

.content-center {
    display: flex;
    justify-content: center;
    align-items: center;
}