/* ========== 阅读填空卡片样式 ========== */
/* 继承现有卡片基础样式 */

.reading-content {
    position: relative;
    z-index: 10;
    padding: 20px 0;
    min-height: 200px;
    -webkit-user-select: text;
    user-select: text;
}

/* 文章标题 */
.reading-article-title {
    font-size: 18px;
    font-weight: 700;
    color: #5d8ab8;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid rgba(122, 168, 214, 0.3);
}

/* 文章段落 */
.reading-paragraph {
    margin-bottom: 20px;
    line-height: 2;
    font-size: 16px;
    color: #4a6fa5;
}

/* 摘要填空区标题 */
.reading-summary-title {
    font-size: 18px;
    font-weight: 700;
    color: #5d8ab8;
    margin: 24px 0 16px 0;
    padding-left: 12px;
    border-left: 4px solid rgba(122, 168, 214, 0.5);
}

/* 问题条目 */
.reading-question-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    line-height: 2;
    font-size: 16px;
    color: #4a6fa5;
}

/* 问题标签 */
.reading-question-label {
    flex-shrink: 0;
    min-width: 50px;
    font-weight: 600;
    color: #5d8ab8;
    margin-right: 8px;
}

/* 问题文本容器 */
.reading-question-text {
    flex: 1;
    line-height: 2;
}

/* 阅读填空输入框 */
.reading-blank {
    display: inline-block;
    width: 80px;
    min-width: 80px;
    max-width: 200px;
    height: 24px;
    border: none;
    border-bottom: 2px solid rgba(93, 138, 184, 0.5);
    border-radius: 0;
    background: transparent;
    padding: 0 6px;
    margin: 0 4px;
    font-family: 'Nunito', sans-serif;
    font-size: 15px;
    font-weight: 500;
    color: #4a6fa5;
    text-align: left;
    -webkit-user-select: text;
    user-select: text;
    cursor: text;
    box-sizing: border-box;
    line-height: 20px;
    vertical-align: middle;
    transition: none;
}

.reading-blank:focus {
    outline: none;
    border-bottom-color: rgba(93, 138, 184, 0.6);
}

/* 正确状态 */
.reading-blank.correct {
    border-bottom-color: rgba(40, 167, 69, 0.6);
    color: #155724;
}

/* 错误状态 */
.reading-blank.incorrect {
    border-bottom-color: rgba(220, 53, 69, 0.6);
    color: #721c24;
}

/* 答案列表 */
.reading-answers-list {
    margin-top: 10px;
    margin-bottom: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    -webkit-user-select: text;
    user-select: text;
    align-items: flex-start;
}

/* 用于强制换行的伪元素 */
.reading-answers-list::after {
    content: '';
    width: 0;
    flex-basis: 100%;
    order: 9999;
}

.reading-answer-item {
    flex: 1 1 calc(50% - 8px);
    min-width: calc(50% - 8px);
    max-width: calc(50% - 8px);
    padding: 4px 8px;
    color: #4a6fa5;
    font-weight: 600;
    box-sizing: border-box;
    text-align: left;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
    -webkit-user-select: text;
    user-select: text;
}

/* 长答案：允许文字换行并扩展到整行 */
.reading-answer-item.long-answer {
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
    flex-basis: 100%;
    max-width: 100%;
    width: 100%;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .reading-content {
        padding: 15px 0;
    }

    .reading-article-title {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .reading-paragraph {
        font-size: 15px;
        line-height: 1.9;
        margin-bottom: 16px;
    }

    .reading-summary-title {
        font-size: 16px;
        margin: 20px 0 14px 0;
        padding-left: 10px;
        border-left-width: 3px;
    }

    .reading-question-item {
        font-size: 15px;
        line-height: 1.9;
        margin-bottom: 10px;
    }

    .reading-question-label {
        min-width: 45px;
        margin-right: 6px;
    }

    .reading-blank {
        min-width: 70px !important;
        max-width: 180px !important;
        min-height: 22px !important;
        font-size: 14px !important;
        padding: 3px 5px 1px 5px !important;
        margin: 0 4px !important;
    }
}

@media (max-width: 480px) {
    .reading-content {
        padding: 10px 0;
    }

    .reading-article-title {
        font-size: 15px;
        margin-bottom: 10px;
    }

    .reading-paragraph {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 12px;
    }

    .reading-summary-title {
        font-size: 15px;
        margin: 16px 0 12px 0;
        padding-left: 8px;
        border-left-width: 3px;
    }

    .reading-question-item {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 8px;
    }

    .reading-question-label {
        min-width: 40px;
        font-size: 13px;
        margin-right: 4px;
    }

    .reading-blank {
        min-width: 60px !important;
        max-width: 160px !important;
        min-height: 20px !important;
        font-size: 13px !important;
        padding: 2px 4px 1px 4px !important;
        margin: 0 3px !important;
    }
}

@media (max-width: 360px) {
    .reading-article-title {
        font-size: 14px;
    }

    .reading-paragraph {
        font-size: 13px;
        line-height: 1.7;
    }

    .reading-summary-title {
        font-size: 14px;
        padding-left: 6px;
        border-left-width: 2px;
    }

    .reading-question-item {
        font-size: 13px;
        line-height: 1.7;
    }

    .reading-question-label {
        min-width: 35px;
        font-size: 12px;
    }

    .reading-blank {
        min-width: 50px !important;
        max-width: 140px !important;
        min-height: 18px !important;
        font-size: 12px !important;
        padding: 2px 3px 1px 3px !important;
        margin: 0 2px !important;
    }
}

/* 横屏模式优化 */
@media (max-height: 600px) and (orientation: landscape) {
    .reading-content {
        padding: 10px 0;
    }

    .reading-article-title {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .reading-paragraph {
        margin-bottom: 8px;
        line-height: 1.6;
    }

    .reading-summary-title {
        font-size: 15px;
        margin: 14px 0 10px 0;
        padding-left: 10px;
    }

    .reading-question-item {
        margin-bottom: 6px;
        line-height: 1.6;
    }
}

/* 打印样式 */
@media print {
    .reading-blank {
        border-bottom: 1px solid #000;
        background: transparent;
        color: #000;
    }
}