/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
}

.container {
    max-width: 1000px;
}

/* 卡片样式 */
.card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.card-header {
    border-radius: 10px 10px 0 0 !important;
}

/* 相机和图片上传样式 */
.camera-container {
    width: 100%;
    max-width: 640px;
    height: 480px;
    margin: 0 auto;
    position: relative;
    border: 2px dashed #ccc;
    border-radius: 8px;
    overflow: hidden;
}

.camera-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background-color: #f8f9fa;
    color: #6c757d;
    font-size: 1.2rem;
}

#cameraPreview, #pictureCanvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#capturedImage, #uploadedImage {
    max-height: 400px;
    margin: 0 auto;
}

/* 批改结果样式 */
.correction-item {
    padding: 10px;
    margin-bottom: 10px;
    border-left: 4px solid #007bff;
    background-color: #f8f9fa;
}

.error-highlight {
    background-color: #ffecec;
    padding: 2px 4px;
    border-radius: 3px;
    border-bottom: 2px solid #dc3545;
}

.correction-suggestion {
    color: #28a745;
    font-weight: bold;
}

/* 计时器样式 */
#timerDisplay {
    font-size: 2rem;
    color: #dc3545;
    font-weight: bold;
}

/* 分数和评价样式 */
.score-display {
    font-size: 3rem;
    font-weight: bold;
    color: #007bff;
    text-align: center;
}

.score-label {
    font-size: 1rem;
    color: #6c757d;
    text-align: center;
}

.evaluation-box {
    background-color: #e9f7ef;
    border-left: 5px solid #28a745;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .camera-container {
        height: 320px;
    }
    
    #capturedImage, #uploadedImage {
        max-height: 300px;
    }
}