/* Excel风格表格样式 */

.excel-table {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    font-size: 14px;
    background-color: white;
    box-shadow: var(--shadow-sm);
    margin-bottom: 15px;
    position: relative;
    width: 100%;
    max-height: 400px;
    display: flex;
    flex-direction: column;
}

/* 表头样式 */
.excel-header {
    display: flex;
    background-color: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 2;
}

.excel-corner-cell {
    min-width: 40px;
    height: 30px;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background-color: #f1f3f5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    user-select: none;
}

.excel-column-header {
    min-width: 80px;
    height: 30px;
    border-right: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    user-select: none;
    position: relative;
}

.excel-add-column {
    min-width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #e9ecef;
    cursor: pointer;
    user-select: none;
    font-weight: bold;
    color: var(--primary-color);
    transition: var(--transition);
}

.excel-add-column:hover {
    background-color: #dee2e6;
}

/* 表格主体样式 */
.excel-body {
    flex: 1;
    overflow-y: auto;
    max-height: 350px;
}

.excel-row {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.excel-row:last-child {
    border-bottom: none;
}

.excel-row-header {
    min-width: 40px;
    height: 30px;
    border-right: 1px solid var(--border-color);
    background-color: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    user-select: none;
    position: sticky;
    left: 0;
    z-index: 1;
}

.excel-cell {
    min-width: 80px;
    height: 30px;
    border-right: 1px solid var(--border-color);
    padding: 0 5px;
    display: flex;
    align-items: center;
    overflow: hidden;
    white-space: nowrap;
    outline: none;
    transition: var(--transition);
}

.excel-cell:focus, .excel-cell.active {
    background-color: #e8f4fc;
    box-shadow: inset 0 0 0 2px var(--primary-color);
}

.excel-cell:hover:not(:focus):not(.active) {
    background-color: #f0f7ff;
}

/* 表格底部样式 */
.excel-footer {
    display: flex;
    border-top: 1px solid var(--border-color);
}

.excel-add-row {
    min-width: 40px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #e9ecef;
    cursor: pointer;
    user-select: none;
    font-weight: bold;
    color: var(--primary-color);
    transition: var(--transition);
}

.excel-add-row:hover {
    background-color: #dee2e6;
}

/* 响应式样式 */
@media (max-width: 768px) {
    .excel-table {
        font-size: 12px;
    }

    .excel-column-header,
    .excel-cell {
        min-width: 60px;
    }

    .excel-corner-cell,
    .excel-row-header {
        min-width: 30px;
    }
}

/* CSV粘贴模式样式 */
.input-mode {
    display: none;
}

.input-mode.active {
    display: block;
}

.input-mode-toggle {
    display: flex;
    margin-bottom: 15px;
}

.input-mode-toggle button {
    padding: 8px 15px;
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.input-mode-toggle button:first-child {
    border-radius: 4px 0 0 4px;
}

.input-mode-toggle button:last-child {
    border-radius: 0 4px 4px 0;
}

.input-mode-toggle button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}