/* 打印样式 */
@media print {
    * {
        -webkit-print-color-adjust: exact !important;
        color-adjust: exact !important;
    }
    
    body {
        margin: 0;
        padding: 0;
        font-family: "Microsoft YaHei", "SimHei", Arial, sans-serif;
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: white;
    }
    
    .container {
        max-width: none;
        margin: 0;
        padding: 0;
    }
    
    /* 田字格练字打印样式 */
    .handwriting-container {
        max-width: none !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 15mm !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        background: white !important;
        min-height: calc(297mm - 30mm); /* A4高度减去上下边距 */
    }
    
    .handwriting-header {
        margin-bottom: 10mm !important;
        padding-bottom: 5mm !important;
        border-bottom: 1pt solid #000 !important;
    }
    
    .handwriting-header h1 {
        font-size: 14pt !important;
        margin: 0 0 5mm 0 !important;
    }
    
    .student-info {
        gap: 10mm !important;
        font-size: 9pt !important;
    }
    
    .student-info span {
        background: none !important;
        border: none !important;
        padding: 0 !important;
        color: #000 !important;
    }
    
    .handwriting-content {
        margin: 0 !important;
        height: calc(100% - 40mm) !important; /* 减去头部和底部空间 */
    }
    
    /* 满页田字格布局 */
    .full-page-grid {
        display: grid !important;
        width: 100% !important;
        height: 100% !important;
        gap: 0 !important; /* 移除间隔 */
        padding: 5mm !important;
        box-sizing: border-box !important;
    }
    
    .full-page-grid.grid-large {
        grid-template-columns: repeat(8, 1fr) !important;
        grid-template-rows: repeat(10, 1fr) !important;
    }
    
    .full-page-grid.grid-medium {
        grid-template-columns: repeat(10, 1fr) !important;
        grid-template-rows: repeat(12, 1fr) !important;
    }
    
    .full-page-grid.grid-small {
        grid-template-columns: repeat(12, 1fr) !important;
        grid-template-rows: repeat(15, 1fr) !important;
    }
    
    .grid-cell-wrapper {
        width: 100% !important;
        height: 100% !important;
        display: block !important;
    }
    
    .grid-cell {
        border-right: 1pt solid #000 !important;
        border-bottom: 1pt solid #000 !important;
        background: white !important;
        position: relative !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        height: 100% !important;
        min-width: 10mm !important;
        min-height: 10mm !important;
        box-sizing: border-box !important;
    }
    
    /* 第一行添加顶边框 */
    .grid-cell-wrapper:nth-child(-n+8) .grid-cell,
    .full-page-grid.grid-medium .grid-cell-wrapper:nth-child(-n+10) .grid-cell,
    .full-page-grid.grid-small .grid-cell-wrapper:nth-child(-n+12) .grid-cell {
        border-top: 1pt solid #000 !important;
    }
    
    /* 第一列添加左边框 */
    .full-page-grid.grid-large .grid-cell-wrapper:nth-child(8n+1) .grid-cell,
    .full-page-grid.grid-medium .grid-cell-wrapper:nth-child(10n+1) .grid-cell,
    .full-page-grid.grid-small .grid-cell-wrapper:nth-child(12n+1) .grid-cell {
        border-left: 1pt solid #000 !important;
    }
    
    /* 打印时的田字格大小 */
    .grid-large .grid-cell {
        font-size: 14pt !important;
    }
    
    .grid-medium .grid-cell {
        font-size: 12pt !important;
    }
    
    .grid-small .grid-cell {
        font-size: 10pt !important;
    }
    
    /* 田字格内部线条 */
    .grid-lines {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
    }
    
    .horizontal-line {
        position: absolute !important;
        top: 50% !important;
        left: 0 !important;
        right: 0 !important;
        height: 0.5pt !important;
        background: #666 !important;
        transform: translateY(-50%) !important;
    }
    
    .vertical-line {
        position: absolute !important;
        left: 50% !important;
        top: 0 !important;
        bottom: 0 !important;
        width: 0.5pt !important;
        background: #666 !important;
        transform: translateX(-50%) !important;
    }
    
    .example-cell {
        background: #f5f5f5 !important;
        border-color: #000 !important;
    }
    
    .example-char {
        font-size: 10pt !important;
        font-weight: bold !important;
        color: #000 !important;
        z-index: 1 !important;
        position: relative !important;
    }
    
    .practice-cell {
        background: white !important;
        border-color: #000 !important;
    }
    
    .handwriting-footer {
        margin-top: 10mm !important;
        padding-top: 5mm !important;
        border-top: 0.5pt solid #666 !important;
        text-align: center !important;
    }
    
    .handwriting-footer p {
        font-size: 8pt !important;
        color: #666 !important;
        margin: 0 !important;
    }
    
    /* 隐藏不需要打印的元素 */
    .header, .footer, .actions, .score-display, .no-print, .navigation-bar {
        display: none !important;
    }
    
    /* 确保打印时页面分页正确 */
    @page {
        size: A4;
        margin: 15mm;
    }
    
    /* 避免在田字格中间分页 */
    .handwriting-line {
        page-break-inside: avoid;
    }
    
    .grid-group {
        page-break-inside: avoid;
    }
    
    .print-header {
        text-align: center;
        margin-bottom: 20pt;
        border-bottom: 2pt solid #000;
        padding-bottom: 10pt;
    }
    
    .print-header h2 {
        font-size: 18pt;
        font-weight: bold;
        margin: 0 0 10pt 0;
    }
    
    .print-info {
        font-size: 11pt;
    }
    
    .info-row {
        display: flex;
        justify-content: space-between;
        margin: 5pt 0;
    }
    
    .print-questions, .questions-container {
        margin: 15pt 0;
    }
    
    .question-item, .print-question-item {
        display: flex;
        align-items: center;
        margin: 8pt 0;
        page-break-inside: avoid;
        border-bottom: 0.5pt dotted #666;
        padding-bottom: 5pt;
    }
    
    .question-number, .print-question-number {
        font-weight: bold;
        margin-right: 8pt;
        min-width: 20pt;
    }
    
    .question-text, .print-question-text {
        flex: 1;
        margin-right: 10pt;
    }
    
    .answer-line, .print-answer-line {
        border-bottom: 1pt solid #000;
        width: 50pt;
        height: 12pt;
        display: inline-block;
    }
    
    .print-footer {
         margin-top: 20pt;
         text-align: center;
         font-size: 9pt;
         color: #666;
         border-top: 0.5pt solid #ccc;
         padding-top: 5pt;
     }
    
    /* 分页控制 */
    .page-break {
        page-break-before: always;
    }
    
    /* 避免在题目中间分页 */
    .question-item {
        page-break-inside: avoid;
    }
    
    /* 隐藏不需要打印的元素 */
    .preview-controls,
    .btn,
    button,
    input[type="text"],
    .check-btn,
    .answer-input,
    .answer-box {
        display: none !important;
    }
}

.print-mode {
    background: white !important;
    font-family: 'Times New Roman', serif;
    color: #000;
    line-height: 1.6;
}

.print-mode .container {
    max-width: none;
    padding: 20px;
}

/* 打印头部 */
.print-header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 2px solid #000;
    padding-bottom: 20px;
}

.print-header h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #000;
}

.print-info {
    font-size: 14px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    padding: 0 20px;
}

.info-row span {
    flex: 1;
    text-align: left;
}

.info-row span:nth-child(2) {
    text-align: center;
}

.info-row span:nth-child(3) {
    text-align: right;
}

/* 打印题目容器 */
.print-questions {
    display: block !important;
    background: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
}

.print-questions .question-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    background: none !important;
    border: none !important;
    border-radius: 0 !important;
    margin-bottom: 8px;
    page-break-inside: avoid;
}

.print-questions .question-item:hover {
    background: none !important;
    transform: none !important;
}

.print-questions .question-number {
    font-weight: bold;
    color: #000 !important;
    margin-right: 15px;
    min-width: 25px;
    font-size: 16px;
}

.print-questions .question-text {
    flex: 1;
    font-size: 16px;
    font-weight: normal;
    color: #000 !important;
    margin-right: 20px;
}

.answer-line {
    border-bottom: 1px solid #000;
    width: 100px;
    height: 20px;
    display: inline-block;
}

/* 打印底部 */
.print-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #000;
    text-align: center;
    font-size: 12px;
    color: #666;
}

/* 隐藏不需要打印的元素 */
@media print {
    .actions,
    .score-display,
    .btn,
    button,
    .check-btn,
    .answer-input,
    .answer-box,
    header,
    footer,
    .features {
        display: none !important;
    }
    
    body {
        background: white !important;
    }
    
    .container {
        box-shadow: none !important;
    }
    
    /* 分页控制 */
    .print-questions {
        orphans: 3;
        widows: 3;
    }
    
    .question-item {
        break-inside: avoid;
    }
    
    /* 每页显示合适数量的题目 */
    .question-item:nth-child(20n) {
        page-break-after: always;
    }
}

/* 打印预览模式 */
.print-mode .print-questions .question-item {
    border-bottom: 1px dotted #ccc;
}

.print-mode .print-questions .question-item:last-child {
    border-bottom: none;
}

/* 确保打印时的字体大小 */
@page {
    margin: 2cm;
    size: A4;
}

/* 打印时的标题样式 */
@media print {
    .print-header h2 {
        font-size: 20pt;
    }
    
    .info-row {
        font-size: 12pt;
    }
    
    .question-number {
        font-size: 14pt !important;
    }
    
    .question-text {
        font-size: 14pt !important;
    }
}