/* 作文批改页面专用样式 */

/* 批改页面整体布局 */
.correction-page {
    background-color: #f8f9fa;
}

.correction-page .container-fluid {
    max-width: 1600px;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* 确保三个主要区域在同一行 - 考虑边框和内边距 */
.correction-page .main-content .row.g-3 {
    margin-left: -1rem;
    margin-right: -1rem;
    gap: 0.5rem;
}

.correction-page .main-content .row.g-3 > * {
    padding-left: 1rem;
    padding-right: 1rem;
    margin-bottom: 0;
}


/* 减少卡片内部间距，为边框预留空间 */
.correction-page .main-content .card {
    margin-bottom: 0;
    overflow: hidden;
}

.correction-page .main-content .card .card-body {
    padding: 1rem;
}

/* 响应式布局调整 */
@media (max-width: 768px) {
    .correction-page .main-content .row.g-4 > * {
        margin-bottom: 1rem;
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .correction-page .main-content .row.g-4 {
        margin-left: -0.75rem;
        margin-right: -0.75rem;
    }
}


/* 作文设置区域 */
.correction-page .card-header {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-bottom: 1px solid #dee2e6;
}

.correction-page .form-label {
    font-weight: 600;
    color: #495057;
}

/* 工具箱样式 */
.correction-page .tool-section {
    padding: 0.75rem;
    border-bottom: 1px solid #e9ecef;
}

.correction-page .tool-section:last-child {
    border-bottom: none;
}

.correction-page .tool-section h6 {
    font-size: 0.875rem;
    font-weight: 600;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 字数统计 */
.correction-page .bg-light.rounded {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef) !important;
    border: 1px solid #dee2e6;
}

.correction-page .bg-light.rounded .h5 {
    color: var(--primary-color);
    font-weight: 700;
}

/* 编辑器样式 */
.correction-page .editor-toolbar {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-bottom: 1px solid #dee2e6;
    padding: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
    /* 防止影响外部布局 */
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
    overflow: hidden;
}

.correction-page .editor-toolbar .btn-group {
    margin-bottom: 0.5rem;
    /* 确保按钮组不会溢出 */
    flex-shrink: 0;
    min-width: 0;
}

.correction-page .editor-toolbar .btn {
    padding: 0.375rem 0.5rem;
    font-size: 0.875rem;
    border: 1px solid #dee2e6;
    background-color: #fff;
    color: #495057;
}

.correction-page .editor-toolbar .btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.correction-page .editor-toolbar .btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

/* 编辑器内容区域 */
.correction-page .editor-container {
    min-height: 500px;
    max-height: 600px;
    overflow-y: auto;
    /* 防止影响外部布局 */
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.correction-page .editor-content {
    min-height: 450px;
    border: none;
    outline: none;
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    background-color: #fff;
    padding: 2rem;
    position: relative;
    /* 防止内容溢出影响布局 */
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.correction-page .editor-content:focus {
    background-color: #fff;
}

.correction-page .editor-content[placeholder]:empty:before {
    content: attr(placeholder);
    color: #adb5bd;
    font-style: italic;
}

/* 底部操作栏 */
.correction-page .border-top {
    border-top: 1px solid #dee2e6 !important;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

/* 批改结果区域 */
.correction-page .score-display {
    background: linear-gradient(135deg, #e7f3ff, #cce7ff) !important;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-lg);
}

.correction-page .score-display .display-4 {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* 分项评分 */
.correction-page .row.g-2 .col-6 {
    padding: 0.5rem;
}

.correction-page .d-flex.justify-content-between .small {
    font-weight: 600;
    color: #6c757d;
}

.correction-page .fw-bold {
    font-size: 1.125rem;
}

/* 亮点和不足区域 */
.correction-page .border-start {
    border-left-width: 4px !important;
}

.correction-page .border-start.border-3.border-success {
    background-color: #f8fff9;
    padding: 1rem;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.correction-page .border-start.border-3.border-warning {
    background-color: #fffdf7;
    padding: 1rem;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.correction-page .border-start h6 {
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.correction-page .border-start ul {
    padding-left: 1.25rem;
    margin-bottom: 0;
}

.correction-page .border-start li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* 错误标记区域 */
.correction-page #errorsList {
    max-height: 200px;
    overflow-y: auto;
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: var(--border-radius-md);
    border: 1px solid #e9ecef;
}

.correction-page .error-item {
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background-color: #fff;
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--warning-color);
}

.correction-page .error-item .error-text {
    text-decoration: line-through;
    color: var(--danger-color);
    margin-right: 0.5rem;
}

.correction-page .error-item .correction-text {
    color: var(--success-color);
    font-weight: 500;
}

.correction-page .error-item .error-type {
    font-size: 0.75rem;
    color: var(--warning-color);
    background-color: #fff3cd;
    padding: 0.125rem 0.375rem;
    border-radius: var(--border-radius-sm);
}

/* 改进建议区域 */
.correction-page #suggestions {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: var(--border-radius-md);
    border: 1px solid #e9ecef;
    max-height: 300px;
    overflow-y: auto;
}

.correction-page #suggestions .suggestion-item {
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    background-color: #fff;
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--info-color);
}

.correction-page #suggestions .suggestion-item:last-child {
    margin-bottom: 0;
}

/* 操作按钮 */
.correction-page .d-grid.gap-2 .btn {
    margin-bottom: 0.5rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.correction-page .d-grid.gap-2 .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.correction-page #startCorrectionBtn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border: none;
    font-weight: 600;
    padding: 0.75rem 2rem;
    transition: var(--transition-base);
}

.correction-page #startCorrectionBtn:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.correction-page #startCorrectionBtn:disabled {
    background: var(--gray-color);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 加载状态 */
.correction-page .spinner-border {
    width: 2rem;
    height: 2rem;
    border-width: 0.25rem;
}

.correction-page .progress {
    height: 4px;
    background-color: #e9ecef;
    border-radius: 2px;
    overflow: hidden;
    margin-top: 1rem;
}

/* 模态框样式 */
.correction-page .modal-body {
    max-height: 70vh;
    overflow-y: auto;
}

.correction-page .template-item,
.correction-page .example-item {
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: #f8f9fa;
    border-radius: var(--border-radius-md);
    border: 1px solid #e9ecef;
    cursor: pointer;
    transition: var(--transition-base);
}

.correction-page .template-item:hover,
.correction-page .example-item:hover {
    background-color: #e9ecef;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    .correction-page .col-lg-2 {
        margin-bottom: 1rem;
    }

    .correction-page .editor-container {
        min-height: 400px;
        max-height: 500px;
    }

    .correction-page .editor-content {
        min-height: 350px;
        padding: 1.5rem;
    }
}

@media (max-width: 767.98px) {
    .correction-page .row.g-3.align-items-end {
        gap: 0.5rem;
    }

    .correction-page .col-md-3,
    .correction-page .col-md-4,
    .correction-page .col-md-2 {
        margin-bottom: 0.5rem;
    }

    .correction-page .editor-toolbar {
        padding: 0.5rem;
    }

    .correction-page .editor-toolbar .btn-group {
        margin-bottom: 0.25rem;
    }

    .correction-page .editor-content {
        padding: 1rem;
        font-size: 15px;
    }

    .correction-page .editor-container {
        min-height: 300px;
        max-height: 400px;
    }

    .correction-page .editor-content {
        min-height: 250px;
    }
}

/* 错误高亮动画 */
@keyframes highlightError {
    0% { background-color: transparent; }
    50% { background-color: #ffebee; }
    100% { background-color: transparent; }
}

.correction-page .error-highlight {
    animation: highlightError 2s ease-in-out;
    background-color: #ffebee;
    padding: 2px 4px;
    border-radius: 2px;
}

/* 成功提示动画 */
@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.correction-page .success-animation {
    animation: successPulse 0.5s ease-in-out;
}

/* 语法检查实时反馈 */
.correction-page .grammar-warning {
    border-bottom: 2px wavy var(--warning-color);
    position: relative;
}

.correction-page .grammar-error {
    border-bottom: 2px wavy var(--danger-color);
    position: relative;
}

.correction-page .grammar-suggestion {
    border-bottom: 2px wavy var(--info-color);
    position: relative;
}

/* 提示框样式 */
.correction-page .grammar-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: #fff;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    white-space: nowrap;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.correction-page .grammar-warning:hover .grammar-tooltip,
.correction-page .grammar-error:hover .grammar-tooltip,
.correction-page .grammar-suggestion:hover .grammar-tooltip {
    opacity: 1;
    visibility: visible;
}

/* 文件上传区域 */
.correction-page .upload-area {
    border: 2px dashed #dee2e6;
    border-radius: var(--border-radius-md);
    padding: 2rem;
    text-align: center;
    background-color: #f8f9fa;
    transition: var(--transition-base);
    cursor: pointer;
}

.correction-page .upload-area:hover {
    border-color: var(--primary-color);
    background-color: #e7f3ff;
}

.correction-page .upload-area.dragover {
    border-color: var(--primary-color);
    background-color: #e7f3ff;
    transform: scale(1.02);
}

/* ===== 三栏布局修复 ===== */
/* 简洁的三栏布局实现 */
.correction-page .three-column-layout {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    margin-left: -0.5rem;
    margin-right: -0.5rem;
    width: calc(100% + 1rem);
}

.correction-page .three-column-layout > .col-lg-2,
.correction-page .three-column-layout > .col-lg-6,
.correction-page .three-column-layout > .col-lg-4 {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    margin-bottom: 0;
}

/* 大屏幕：三栏水平排列 */
@media (min-width: 992px) {
    .correction-page .three-column-layout {
        flex-direction: row;
    }

    .correction-page .three-column-layout > .col-lg-2 {
        flex: 0 0 16.666667%;
        max-width: 16.666667%;
    }

    .correction-page .three-column-layout > .col-lg-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .correction-page .three-column-layout > .col-lg-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }

    /* 确保卡片等高 */
    .correction-page .three-column-layout > div {
        display: flex;
        flex-direction: column;
    }

    .correction-page .three-column-layout > div .card {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 600px;
    }

    .correction-page .three-column-layout > div .card .card-body {
        flex: 1;
        overflow-y: auto;
    }
}

/* 中等屏幕：工具箱单独一行，编辑器和批改结果两栏 */
@media (min-width: 768px) and (max-width: 991.98px) {
    .correction-page .three-column-layout {
        flex-wrap: wrap;
    }

    .correction-page .three-column-layout > .col-lg-2 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 1rem;
    }

    .correction-page .three-column-layout > .col-lg-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .correction-page .three-column-layout > .col-lg-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* 小屏幕：垂直排列 */
@media (max-width: 767.98px) {
    .correction-page .three-column-layout {
        flex-wrap: wrap;
        flex-direction: column;
    }

    .correction-page .three-column-layout > div {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 1rem;
    }

    .correction-page .three-column-layout > div:last-child {
        margin-bottom: 0;
    }
}