body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #f0f0f0;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.content-scroll-wrapper {
    overflow-x: auto;
    max-width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
}

#capture-area {
    display: inline-block;
    background-color: #ffffff;
    padding: 20px 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 8px;
}

h1 {
    margin-top: 0;
    margin-bottom: 0;
    font-size: 26px;
    text-align: center;
    color: #333;
}

h1.for-canvas {
    font-size: 32px;
}

.canvas-spacer {
    height: 25px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, 175px); 
    /* 【修改点 1】: 将总行高从 200px 调整为 210px (175px 图片 + 35px 文字) */
    grid-template-rows: repeat(3, 210px); 
    border: 1px solid #ddd;
}

.grid-cell {
    border: 1px solid #ddd;
    background-color: #fff;
    cursor: pointer;
    overflow: hidden;
}

/* 【修改点 2】: 调整 image-container 的高度，使其与宽度 175px 匹配，实现 1:1 */
.image-container {
    height: 175px; 
    background-color: #f7f7f7;
    position: relative;
}

.cell-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.cell-image[src=""] {
    visibility: hidden;
}

/* 【修改点 3】: text-container 的高度保持 35px，与新的 210px 总高度匹配 */
.text-container {
    height: 35px; 
    background-color: #ffffff;
    color: #000000;
    font-size: 14px; 
    
    display: table-cell;
    vertical-align: middle;
    
    text-align: center;
    border-top: 1px solid #eee;
    padding: 2px 5px;
    box-sizing: border-box;
    width: 175px; 

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

.modal { display: none; position: fixed; z-index: 10; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.6); justify-content: center; align-items: center; }

.modal-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.modal-content h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.close-btn {
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    color: #888;
    line-height: 1;
    padding: 5px;
    margin: -5px;
}
.close-btn:hover { color: #000; }

.file-input-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

#use-last-image-btn {
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;
    border: 1px solid #007bff;
    background-color: #fff;
    color: #007bff;
    border-radius: 5px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}
#use-last-image-btn:hover {
    background-color: #007bff;
    color: #fff;
}

.cropper-container {
    width: 100%;
    height: 300px;
    border: 1px solid #ccc;
    background-color: #f0f0f0;
}

#image-to-crop { display: block; max-width: 100%; }

#image-to-crop[src=""] {
    visibility: hidden;
}

#crop-btn {
    padding: 10px 20px;
    font-size: 14px;
    cursor: pointer;
    border: none;
    background-color: #28a745;
    color: white;
    border-radius: 5px;
    align-self: flex-end;
    transition: background-color 0.2s ease;
}
#crop-btn:hover {
    background-color: #218838;
}

.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

#export-btn {
    margin-top: 0;
    padding: 12px 30px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    background-color: #007bff;
    color: white;
    border-radius: 5px;
    transition: background-color 0.2s ease;
}
#export-btn:hover {
    background-color: #0056b3;
}

#clear-storage-btn {
    margin-top: 0;
    padding: 12px 20px;
    font-size: 14px;
    cursor: pointer;
    border: 1px solid #dc3545;
    background-color: #fff;
    color: #dc3545;
    border-radius: 5px;
    transition: all 0.2s ease;
}
#clear-storage-btn:hover {
    background-color: #dc3545;
    color: #fff;
}


.page-footer {
    width: 100%;
    max-width: 800px;
    margin-top: 40px;
    padding: 20px;
    text-align: center;
    font-size: 12px;
    color: #888;
    line-height: 1.8;
}
.page-footer p { margin: 10px 0; }

.page-footer a {
    color: #555;
    font-weight: bold;
    text-decoration: none;
    transition: text-decoration 0.2s ease;
}
.page-footer a:hover {
    text-decoration: underline;
}

.credit-footer {
    width: 100%;
    margin-top: 15px;
    padding-top: 15px;
    font-size: 13px;
    color: #999;
    text-align: center;
    border-top: 1px solid #eee;
    display: none;
}