body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}

header {
    background-color: #fff;
    padding: 20px 40px;
    border-bottom: 1px solid #ddd;
    text-align: center;
}

header h1 {
    margin: 0;
    color: #2c3e50;
}

main {
    padding: 20px 40px;
}

.file-uploader {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

input[type="file"] {
    display: none;
}

.custom-file-upload,
#analyzeBtn {
    border: none;
    display: inline-block;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 5px;
    background-color: #6c9a72;
    color: white;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.custom-file-upload:hover,
#analyzeBtn:hover {
    background-color: #5a8360;
}

#file-chosen {
    font-style: italic;
    color: #555;
}

/* 控制区域总容器 */
.controls-section {
    margin-bottom: 20px;
}

/* 响应式控件包装器 */
.controls-wrapper {
    display: flex;
    gap: 20px;
    align-items: stretch; /* 让子元素等高 */
}

/* 筛选容器 */
.filter-container {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 20px;
    flex: 1;
    min-width: 0; /* 防止内容溢出 */
    display: flex;
    flex-direction: column;
    justify-content: center; /* 垂直居中内容 */
    min-height: 60px; /* 设置最小高度保证一致性 */
}

/* 导出容器调整 */
.export-container {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 20px;
    flex: 1;
    min-width: 0; /* 防止内容溢出 */
    display: flex;
    flex-direction: column;
    justify-content: center; /* 垂直居中内容 */
    min-height: 60px; /* 设置最小高度保证一致性 */
}

/* 备注提示独立显示 */
.memo-warning {
    margin-bottom: 15px;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(255, 193, 7, 0.2);
}

/* 移除原来export-container的margin-bottom，因为现在在controls-wrapper中 */

.filter-item {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    flex: 1; /* 让内容区域填满容器 */
    justify-content: flex-start;
}

.filter-item label {
    font-weight: bold;
    color: #2c3e50;
    min-width: 120px;
}

.range-inputs {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.range-inputs select,
.range-inputs input[type="number"] {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    background-color: #fff;
}

.range-inputs select {
    min-width: 80px;
}

.range-inputs input[type="number"] {
    width: 120px;
}

.range-inputs input[type="number"].default-value {
    color: #999;
    font-style: italic;
}

.range-inputs input[type="number"]:focus.default-value {
    color: #333;
    font-style: normal;
}

#toLabel {
    color: #555;
    font-weight: normal;
}

#applyFilter,
#clearFilter {
    border: none;
    padding: 8px 15px;
    cursor: pointer;
    border-radius: 5px;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

#applyFilter {
    background-color: #6c9a72;
    color: white;
}

#applyFilter:hover {
    background-color: #5a8360;
}

#clearFilter {
    background-color: #95a5a6;
    color: white;
}

#clearFilter:hover {
    background-color: #7f8c8d;
}

/* 响应式断点 - 1024px以下改为纵向布局 */
@media (max-width: 1023px) {
    .controls-wrapper {
        flex-direction: column;
        gap: 15px;
    }
    
    .filter-container,
    .export-container {
        flex: none;
        width: 100%; /* 确保纵向排列时等宽 */
    }
}

/* 宽屏优化 - 确保控件在宽屏下的最佳显示 */
@media (min-width: 1400px) {
    .controls-wrapper {
        gap: 30px;
    }
    
    .filter-container {
        max-width: 60%;
    }
    
    .export-container {
        max-width: 40%;
    }
}

/* 768px以下的移动端优化 */
@media (max-width: 768px) {
    .filter-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .range-inputs {
        width: 100%;
        justify-content: flex-start;
    }
    
    .export-controls {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .export-controls label {
        order: 1;
    }
    
    .select-memo-btn {
        order: 2;
    }
    
    .selected-count {
        order: 3;
        width: 100%;
    }
    
    .export-controls button:last-child {
        order: 4;
        width: 100%;
    }
}

.export-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    flex: 1; /* 让内容区域填满容器 */
    justify-content: flex-start;
}

.export-controls label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: bold;
    color: #2c3e50;
    cursor: pointer;
}

.export-controls input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.selected-count {
    color: #555;
    font-size: 14px;
    min-width: 120px;
}

#exportBtn {
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
    font-size: 14px;
    background-color: #3498db;
    color: white;
    transition: background-color 0.3s ease;
}

#exportBtn:hover:not(:disabled) {
    background-color: #2980b9;
}

#exportBtn:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
}

.select-memo-btn {
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 5px;
    font-size: 14px;
    background-color: #f39c12;
    color: white;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.select-memo-btn:hover {
    background-color: #e67e22;
}

.select-memo-btn:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
}

/* 备注提示样式已在上方定义 */

.memo-warning-content {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    gap: 8px;
}

.memo-warning-icon {
    color: #f57c00;
    font-size: 16px;
    flex-shrink: 0;
}

.memo-warning-text {
    color: #856404;
    font-size: 14px;
    line-height: 1.4;
    flex-grow: 1;
}

.memo-warning-close {
    background: none;
    border: none;
    color: #856404;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.memo-warning-close:hover {
    background-color: rgba(133, 100, 4, 0.1);
}

.reviews-container {
    width: 100%;
    text-align: left;
}

.review-card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    width: 100%;
    margin-bottom: 20px;
    box-sizing: border-box;
}

.review-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    color: #555;
    font-size: 0.9em;
}

.review-card .rating {
    font-weight: bold;
    color: #4CAF50;
}

.review-card .time {
    color: #7f8c8d;
}

.review-card .comment {
    font-size: 1em;
    line-height: 1.6;
    color: #34495e;
    word-wrap: break-word;
    white-space: pre-wrap;
}

.review-card .card-footer {
    margin-top: auto;
    padding-top: 10px;
    font-size: 0.8em;
    color: #999;
    text-align: right;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.review-card .card-checkbox {
    position: relative;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.review-card:hover .card-checkbox {
    opacity: 1;
}

.review-card.selected .card-checkbox {
    opacity: 1;
}

.review-card .card-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.review-card.selected {
    border-color: #3498db;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
    background-color: #f8fafe;
}

.review-card .card-number {
    color: #999;
}

/* 备注相关样式 */
.review-card .card-memo {
    margin-top: 12px;
    padding: 12px;
    background-color: #f8f9fa;
    border-left: 3px solid #3498db;
    border-radius: 4px;
    font-size: 0.9em;
}

.review-card .memo-indicator {
    color: #3498db;
    font-weight: bold;
    font-size: 0.85em;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.review-card .memo-text {
    color: #555;
    line-height: 1.4;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.review-card.has-memo {
    border-left: 3px solid #3498db;
}

/* 备注编辑器样式 */
.memo-editor {
    margin-top: 12px;
    padding: 12px;
    background-color: #f0f8ff;
    border: 2px solid #3498db;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.2);
}

.memo-editor-header {
    color: #3498db;
    font-weight: bold;
    font-size: 0.9em;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.memo-input {
    width: 100%;
    min-height: 60px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9em;
    line-height: 1.4;
    resize: vertical;
    background-color: #fff;
}

.memo-input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.memo-editor-actions {
    margin-top: 8px;
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.memo-editor-actions button {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85em;
    transition: background-color 0.2s ease;
}

.memo-save {
    background-color: #27ae60;
    color: white;
}

.memo-save:hover {
    background-color: #219a52;
}

.memo-cancel {
    background-color: #95a5a6;
    color: white;
}

.memo-cancel:hover {
    background-color: #7f8c8d;
}

.memo-delete {
    background-color: #e74c3c;
    color: white;
}

.memo-delete:hover {
    background-color: #c0392b;
}

@media (max-width: 768px) {
    .reviews-container {
        grid-template-columns: 1fr;
    }
    .review-card {
        width: 100%;
        max-width: 100%;
        min-width: unset;
    }
    main {
        padding: 20px;
    }
}