/* AI教案生成页面样式 */

/* ========== 任务加载蒙版 ========== */
.page-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    min-height: 400px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    border-radius: var(--radius-md, 8px);
}

.page-loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.page-loading-spinner {
    position: relative;
    width: 56px;
    height: 56px;
    margin-bottom: 24px;
}

.page-loading-spinner::before,
.page-loading-spinner::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid transparent;
}

.page-loading-spinner::before {
    border-top-color: var(--primary, #4F46E5);
    border-right-color: var(--primary, #4F46E5);
    animation: spinnerRotate 0.8s linear infinite;
}

.page-loading-spinner::after {
    inset: 6px;
    border-bottom-color: #818CF8;
    border-left-color: #818CF8;
    animation: spinnerRotate 1.2s linear infinite reverse;
}

@keyframes spinnerRotate {
    to { transform: rotate(360deg); }
}

.page-loading-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary, #64748B);
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.page-loading-text::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.15), transparent);
    animation: shimmerText 2s ease-in-out infinite;
}

@keyframes shimmerText {
    0% { left: -100%; }
    100% { left: 100%; }
}

.lesson-plan-container {
    max-width: 100%;
    margin: 0;
}

.tool-header {
    margin-bottom: 16px;
}

.tool-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
    padding: 8px 12px;
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
}

/* 历史任务链接 */
.btn-history-link {
    padding: 8px 16px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-history-link:hover {
    background: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-history-link i {
    font-size: 16px;
}

/* 生成方式选择器 */
.generation-mode-selector {
    padding: 20px;
    margin-bottom: 20px;
}

.mode-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 24px;
}

.mode-card {
    padding: 20px;
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.mode-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(74, 144, 217, 0.15);
    transform: translateY(-2px);
}

.mode-card.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.05), rgba(108, 92, 231, 0.05));
}

.mode-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    color: #fff;
}

.mode-icon i {
    font-size: 36px;
}

.mode-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.mode-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 20px 0;
    line-height: 1.6;
}

.btn-mode-select {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-mode-select:hover {
    background: var(--primary);
    color: #fff;
}

.mode-card.selected .btn-mode-select {
    background: var(--primary);
    color: #fff;
}

/* 模式头部 */
.mode-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.btn-back {
    padding: 6px 12px;
    font-size: 13px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.btn-back:hover {
    background: var(--bg-hover);
    color: var(--primary);
    border-color: var(--primary);
}

.btn-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    margin-bottom: 12px;
}

.btn-back-link:hover {
    background: var(--bg-hover);
    color: var(--primary);
    border-color: var(--primary);
    text-decoration: none;
}

.current-mode-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

/* 模板列表 */
.template-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.template-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    cursor: pointer;
}

.template-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(74, 144, 217, 0.1);
}

.template-item.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.05), rgba(108, 92, 231, 0.05));
}

.template-preview {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-sm);
    color: #fff;
    flex-shrink: 0;
}

.template-preview i {
    font-size: 28px;
}

.template-info {
    flex: 1;
}

.template-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 6px 0;
}

.template-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.template-info h5 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px 0;
}

.template-info p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

/* 通用模板选择列表 */
.template-selection-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.btn-preview {
    padding: 8px 16px;
    font-size: 13px;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.btn-preview:hover {
    background: var(--primary);
    color: #fff;
}

/* 模板预览头部 */
.template-preview-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.preview-badge {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 主内容区域 - 左右布局 */
.tool-content {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 24px;
}

/* 输入区域 */
.input-section {
    padding: 20px;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 20px 0;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.required {
    color: var(--danger);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.form-control.error {
    border-color: var(--danger);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
    font-family: var(--font-family);
}

select.form-control {
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn-primary,
.btn-secondary {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    flex: 1;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: var(--border-color);
}

/* 查看结果按钮样式 */
#viewResultBtn {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    background: linear-gradient(135deg, #28a745, #20c997);
    color: #fff;
}

#viewResultBtn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

#viewResultBtn i {
    font-size: 16px;
}

/* 分隔线 */
.divider {
    margin: 24px 0;
    text-align: center;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background: var(--border-color);
}

.divider span {
    position: relative;
    background: var(--bg-white);
    padding: 0 12px;
    color: var(--text-muted);
    font-size: 13px;
}

/* 上传区域 */
.upload-section {
    text-align: center;
    padding: 20px;
    background: var(--bg-body);
    border-radius: var(--radius-sm);
    border: 2px dashed var(--border-color);
}

.upload-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.upload-label i {
    font-size: 18px;
    color: var(--primary);
    margin-right: 6px;
}

.btn-upload {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-upload:hover {
    background: var(--primary);
    color: #fff;
}

.upload-hint {
    margin: 8px 0 0 0;
    font-size: 12px;
    color: var(--text-muted);
}

/* 输出区域 */
.output-section {
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.result-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--primary);
    border-color: var(--primary);
}

.btn-icon#saveEditBtn {
    background: var(--success);
    color: #fff;
    border-color: var(--success);
}

.btn-icon#saveEditBtn:hover {
    opacity: 0.9;
}

.btn-icon#cancelEditBtn {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}

.btn-icon#cancelEditBtn:hover {
    opacity: 0.9;
}

/* 文字操作按钮 */
.btn-action-text {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-action-text:hover {
    background: var(--bg-hover);
    color: var(--primary);
    border-color: var(--primary);
}

.btn-action-text.btn-action-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.btn-action-text.btn-action-primary:hover {
    opacity: 0.9;
}

/* 下载下拉菜单 */
.download-dropdown {
    position: relative;
}

.download-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 160px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
}

.download-dropdown:hover .download-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.download-option {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.download-option:hover {
    background: var(--bg-hover);
    color: var(--primary);
}

.download-option i {
    font-size: 16px;
    width: 18px;
    text-align: center;
}

.result-content {
    flex: 1;
    min-height: 500px;
    padding: 20px;
    background: var(--bg-body);
    border-radius: var(--radius-sm);
    overflow-y: auto;
    transition: all 0.2s ease;
}

/* 增强预览内容显示效果 */
.result-content,
.result-content * {
    color: var(--text-primary) !important;
}

/* 增强表格显示 */
.result-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 16px 0;
    border: 2px solid #333 !important;
}

.result-content table th,
.result-content table td {
    border: 1px solid #333 !important;
    padding: 16px 14px;
    min-height: 60px;
    color: var(--text-primary) !important;
    vertical-align: middle;
    /* 不强制对齐方式，保留Word原有的对齐 */
}

/* 空白单元格也保持最小高度 */
.result-content table td:empty {
    min-height: 60px;
    height: 60px;
}

.result-content table th {
    background: var(--bg-hover);
    font-weight: 600;
    border: 1px solid #333 !important;
    min-height: 60px;
}

/* 增强段落和标题显示 */
.result-content p {
    color: var(--text-primary) !important;
    line-height: 1.8;
    margin: 8px 0;
}

.result-content h1,
.result-content h2,
.result-content h3,
.result-content h4,
.result-content h5,
.result-content h6 {
    color: var(--text-primary) !important;
    font-weight: 600;
    margin: 16px 0 8px 0;
}

.result-content strong,
.result-content b {
    font-weight: 700;
    color: var(--text-primary) !important;
}

.result-content ul,
.result-content ol {
    color: var(--text-primary) !important;
    padding-left: 24px;
    margin: 8px 0;
}

.result-content li {
    color: var(--text-primary) !important;
    margin: 4px 0;
}

.result-content[contenteditable="true"] {
    background: var(--bg-white);
    border: 2px solid var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
    outline: none;
}

.result-content[contenteditable="true"]:focus {
    outline: none;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
    margin: 0;
}

/* 生成结果内容 */
.lesson-plan-result {
    color: var(--text-primary);
    line-height: 1.8;
}

.lesson-plan-result h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    margin: 24px 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary);
}

.lesson-plan-result h2:first-child {
    margin-top: 0;
}

.lesson-plan-result h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 16px 0 8px 0;
}

.lesson-plan-result p {
    margin: 8px 0;
    font-size: 14px;
}

.lesson-plan-result ul,
.lesson-plan-result ol {
    margin: 8px 0;
    padding-left: 24px;
}

.lesson-plan-result li {
    margin: 4px 0;
    font-size: 14px;
}

/* 编辑模式下的表格样式 */
.result-content[contenteditable="true"] table {
    border-collapse: collapse;
}

.result-content[contenteditable="true"] table td {
    min-width: 50px;
    min-height: 30px;
}

.result-content[contenteditable="true"] table td:focus {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
}

/* 编辑模式提示 */
.edit-mode-hint {
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    padding: 8px 12px;
    font-size: 13px;
    text-align: center;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    display: none;
}

.result-content[contenteditable="true"] + .edit-mode-hint {
    display: block;
}

/* 功能开发中提示 */
.coming-soon-notice {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-body);
    border-radius: var(--radius-sm);
    border: 2px dashed var(--border-color);
}

.coming-soon-notice i {
    font-size: 64px;
    color: var(--text-muted);
    margin-bottom: 20px;
    opacity: 0.5;
}

.coming-soon-notice h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.coming-soon-notice p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* ========== 响应式设计 ========== */

/* 平板设备 (1024px以下) */
@media (max-width: 1024px) {
    .tool-content {
        grid-template-columns: 420px 1fr;
    }
    
    .output-section {
        min-height: 400px;
    }
}

/* 小屏设备 (768px以下) */
@media (max-width: 768px) {
    /* 生成方式选择改为上下布局 */
    .mode-options {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .mode-card {
        padding: 16px;
    }
    
    .mode-icon {
        width: 60px;
        height: 60px;
    }
    
    .mode-icon i {
        font-size: 28px;
    }
    
    .mode-title {
        font-size: 16px;
    }
    
    .mode-description {
        font-size: 13px;
    }
    
    /* 主内容区改为上下布局 */
    .tool-content {
        grid-template-columns: 1fr;
    }
    
    .input-section {
        padding: 16px;
    }
    
    .output-section {
        min-height: 400px;
        padding: 16px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .result-content {
        min-height: 400px;
    }
}

/* 超小屏设备 (480px以下) */
@media (max-width: 480px) {
    .generation-mode-selector {
        padding: 16px;
    }
    
    .mode-card {
        padding: 12px;
    }
    
    .btn-mode-select {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .result-actions {
        width: 100%;
        justify-content: flex-end;
    }
}


/* ========== Word模板生成模式样式 ========== */

/* 步骤指示器 */
.step-indicator {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.step-badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.step-badge.completed {
    background: var(--success);
}

.step-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 模板选择区域 */
.template-selection-area {
    margin-bottom: 24px;
}

.template-selection-area h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px 0;
}

.template-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

/* Word模板卡片 */
.word-template-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.word-template-card:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(74, 144, 217, 0.1);
}

.word-template-card.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.05), rgba(108, 92, 231, 0.05));
}

.template-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2b5797, #1e3a5f);
    border-radius: var(--radius-sm);
    color: #fff;
    flex-shrink: 0;
}

.template-icon i {
    font-size: 32px;
}

.template-details {
    flex: 1;
}

.template-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 6px 0;
}

.template-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}

.template-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.template-meta i {
    font-size: 12px;
}

.btn-select-template {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.btn-select-template:hover {
    background: var(--primary);
    color: #fff;
}

.word-template-card.selected .btn-select-template {
    background: var(--primary);
    color: #fff;
}

.template-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-body);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.template-card:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(74, 144, 217, 0.1);
}

.template-card.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.05), rgba(108, 92, 231, 0.05));
}

.template-card-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-sm);
    color: #fff;
    flex-shrink: 0;
}

.template-card-icon i {
    font-size: 24px;
}

.template-card-info {
    flex: 1;
}

.template-card-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px 0;
}

.template-card-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

.template-card-action {
    flex-shrink: 0;
}

.template-card-action i {
    font-size: 20px;
    color: var(--text-muted);
}

.template-card.selected .template-card-action i {
    color: var(--primary);
}

/* 上传知识文件区域 */
.upload-knowledge-area {
    margin-bottom: 24px;
}

.upload-zone {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-body);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upload-zone:hover {
    border-color: var(--primary);
    background: rgba(74, 144, 217, 0.05);
    box-shadow: 0 4px 12px rgba(74, 144, 217, 0.15);
    transform: translateY(-2px);
}

.upload-zone.drag-over {
    border-color: var(--primary);
    background: rgba(74, 144, 217, 0.1);
    box-shadow: 0 8px 24px rgba(74, 144, 217, 0.25);
    transform: scale(1.02);
}

.upload-zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 217, 0.1), transparent);
    transition: left 0.5s;
}

.upload-zone:hover::before {
    left: 100%;
}

.upload-zone i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 16px;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.upload-zone:hover i {
    opacity: 1;
    transform: scale(1.1) translateY(-4px);
}

.upload-zone.drag-over i {
    opacity: 1;
    transform: scale(1.2) translateY(-8px);
    animation: bounce 0.6s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: scale(1.2) translateY(-8px); }
    50% { transform: scale(1.2) translateY(-12px); }
}

.upload-zone h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.upload-zone p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0 0 4px 0;
}

.upload-zone p:last-of-type {
    margin-bottom: 0;
}

.btn-upload-file {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-upload-file:hover {
    background: var(--primary);
    color: #fff;
}

/* 已上传文件列表 */
.uploaded-files-list {
    margin-top: 20px;
}

.uploaded-files-list h5 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 12px 0;
}

.file-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.file-item-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 6px;
    color: #fff;
    flex-shrink: 0;
}

.file-item-icon i {
    font-size: 18px;
}

.file-item-info {
    flex: 1;
}

.file-item-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 2px 0;
}

.file-item-size {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

.file-item-remove {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.file-item-remove:hover {
    background: var(--danger);
    color: #fff;
}

/* 步骤操作按钮 */
.step-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn-next {
    flex: 1;
    padding: 14px 32px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    height: 50px;
}

/* 加载状态 */
.loading-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.loading-state i {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
    animation: spin 2s linear infinite;
}

.loading-state p {
    font-size: 14px;
    margin: 0;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 响应式 - Word模板模式 */
@media (max-width: 768px) {
    .step-indicator {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .upload-zone {
        padding: 30px 16px;
    }
    
    .upload-zone i {
        font-size: 36px;
    }
    
    .upload-zone h4 {
        font-size: 14px;
    }
}


/* 教学计划展示样式 */
.planning-section {
    margin-bottom: 20px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.planning-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: #f8f9fa;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.planning-section-header:hover {
    background: #e9ecef;
}

.planning-section-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #212529;
    display: flex;
    align-items: center;
    gap: 10px;
}

.planning-section-header h4 i {
    color: #0d6efd;
}

.toggle-icon {
    font-size: 14px;
    color: #6c757d;
    transition: transform 0.2s;
    margin-left: auto;
}

.btn-edit-section {
    padding: 6px 12px;
    font-size: 13px;
    border: 1px solid #0d6efd;
    background: #fff;
    color: #0d6efd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-edit-section:hover {
    background: #0d6efd;
    color: #fff;
}

/* btn-batch-generate 样式已移至教案生成按钮区域 */

.planning-section-content {
    padding: 20px;
    border-top: 1px solid #dee2e6;
    background: #fff;
    display: none;
}

.planning-section-content.show {
    display: block;
}

.markdown-content {
    font-size: 14px;
    line-height: 1.8;
    color: #495057;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.markdown-content h1 {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 24px 0 14px 0;
    padding-bottom: 8px;
    border-bottom: 3px solid #0d6efd;
}

.markdown-content h2 {
    font-size: 19px;
    font-weight: 700;
    color: #16213e;
    margin: 22px 0 12px 0;
    padding-bottom: 6px;
    border-bottom: 2px solid #0d6efd;
}

.markdown-content h3 {
    font-size: 17px;
    font-weight: 600;
    color: #212529;
    margin: 18px 0 10px 0;
    padding-bottom: 4px;
    border-bottom: 1px solid #dee2e6;
}

.markdown-content h4 {
    font-size: 15px;
    font-weight: 600;
    color: #495057;
    margin: 14px 0 8px 0;
}

.markdown-content h5 {
    font-size: 14px;
    font-weight: 600;
    color: #6c757d;
    margin: 10px 0 5px 0;
}

.markdown-content h6 {
    font-size: 13px;
    font-weight: 600;
    color: #868e96;
    margin: 8px 0 4px 0;
}

.markdown-content p {
    margin: 8px 0;
    line-height: 1.8;
}

.markdown-content strong {
    color: #212529;
    font-weight: 600;
}

.markdown-content em {
    font-style: italic;
    color: #495057;
}

/* 列表样式 */
.markdown-content ul,
.markdown-content ol {
    margin: 8px 0;
    padding-left: 24px;
}

.markdown-content li {
    margin-bottom: 4px;
    line-height: 1.7;
}

.markdown-content li > ul,
.markdown-content li > ol {
    margin: 4px 0;
}

/* 表格样式（marked生成标准table/thead/th/td） */
.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 13px;
    border: 1px solid #c8d1da;
    border-radius: 6px;
    overflow: hidden;
}

.markdown-content thead th {
    background: linear-gradient(135deg, #e8f0fe, #d4e4fc);
    color: #1a3a5c;
    font-weight: 700;
    font-size: 13px;
    padding: 10px 12px;
    border: 1px solid #c8d1da;
    text-align: center;
    white-space: nowrap;
}

.markdown-content tbody td {
    padding: 9px 12px;
    border: 1px solid #dee2e6;
    color: #495057;
    vertical-align: top;
}

.markdown-content tbody tr:nth-child(even) {
    background: #f8fafc;
}

.markdown-content tbody tr:hover {
    background: #eef3f9;
}

/* 兼容旧的markdown-table类 */
.markdown-table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}

.markdown-table td,
.markdown-table th {
    padding: 8px 12px;
    border: 1px solid #dee2e6;
    font-size: 13px;
}

.markdown-table tr:first-child td,
.markdown-table thead th {
    background: #f8f9fa;
    font-weight: 600;
    color: #495057;
}

.markdown-table tr:hover {
    background: #f8f9fa;
}

/* 代码块 */
.markdown-content code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    background: #f1f3f5;
    padding: 2px 6px;
    border-radius: 3px;
    color: #d63384;
}

.markdown-content pre {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 14px;
    overflow-x: auto;
    margin: 12px 0;
}

.markdown-content pre code {
    background: none;
    padding: 0;
    color: #495057;
}

/* 引用块 */
.markdown-content blockquote {
    border-left: 4px solid #0d6efd;
    margin: 12px 0;
    padding: 8px 16px;
    background: #f8f9fa;
    color: #6c757d;
}

.markdown-content blockquote p {
    margin: 4px 0;
}

/* 分割线 */
.markdown-content hr {
    border: none;
    border-top: 1px solid #dee2e6;
    margin: 16px 0;
}

/* 下载按钮样式 */
.btn-download-section {
    padding: 6px 14px;
    font-size: 13px;
    border: 1px solid #28a745;
    background: #fff;
    color: #28a745;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.btn-download-section:hover {
    background: #28a745;
    color: #fff;
    box-shadow: 0 2px 6px rgba(40, 167, 69, 0.3);
}

.btn-download-section i {
    font-size: 15px;
}

/* 教案大纲列表样式 */
.lesson-outline-item {
    margin-bottom: 15px;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    overflow: hidden;
    background: #fff;
    transition: box-shadow 0.2s;
}

.lesson-outline-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.lesson-outline-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
}

.lesson-outline-title {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.lesson-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: #0d6efd;
    color: #fff;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 600;
}

.lesson-chapter {
    font-size: 14px;
    font-weight: 600;
    color: #495057;
}

.lesson-name {
    font-size: 14px;
    font-weight: 500;
    color: #212529;
}

.lesson-hours {
    font-size: 12px;
    color: #6c757d;
    padding: 2px 8px;
    background: #e9ecef;
    border-radius: 12px;
}

.lesson-outline-actions {
    display: flex;
    gap: 8px;
}

.btn-edit-outline,
.btn-generate-lesson {
    padding: 5px 10px;
    font-size: 12px;
    border: 1px solid #0d6efd;
    background: #fff;
    color: #0d6efd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-edit-outline:hover,
.btn-generate-lesson:hover {
    background: #0d6efd;
    color: #fff;
}

.btn-generate-lesson {
    border-color: #28a745;
    color: #28a745;
}

.btn-generate-lesson:hover {
    background: #28a745;
    color: #fff;
}

.lesson-outline-details {
    padding: 15px;
}

.detail-section {
    margin-bottom: 12px;
}

.detail-section:last-child {
    margin-bottom: 0;
}

.detail-section strong {
    font-size: 13px;
    color: #495057;
}

.detail-section ul {
    margin: 5px 0 0 0;
    padding-left: 20px;
}

.detail-section li {
    font-size: 13px;
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 3px;
}


/* ==================== 教案编辑表单样式 ==================== */
.outline-edit-form {
    padding: 15px;
}

.edit-form-row {
    margin-bottom: 12px;
}

.edit-form-row label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #495057;
    margin-bottom: 4px;
}

.edit-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 13px;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.edit-input:focus {
    border-color: #0d6efd;
    outline: none;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.edit-input-small {
    width: 120px;
}

.edit-textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 13px;
    resize: vertical;
    transition: border-color 0.2s;
    box-sizing: border-box;
    font-family: inherit;
}

.edit-textarea:focus {
    border-color: #0d6efd;
    outline: none;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.edit-form-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.btn-save-outline {
    padding: 8px 20px;
    font-size: 13px;
    border: none;
    background: #28a745;
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: background 0.2s;
}

.btn-save-outline:hover {
    background: #218838;
}

.btn-cancel-outline {
    padding: 8px 20px;
    font-size: 13px;
    border: 1px solid #6c757d;
    background: #fff;
    color: #6c757d;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
}

.btn-cancel-outline:hover {
    background: #6c757d;
    color: #fff;
}

/* ==================== 教案状态标签 ==================== */
.lesson-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.lesson-status-badge.status-completed {
    background: #d4edda;
    color: #155724;
}

.lesson-status-badge.status-processing {
    background: #fff3cd;
    color: #856404;
}

.lesson-status-badge.status-failed {
    background: #f8d7da;
    color: #721c24;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spin {
    animation: spin 1s linear infinite;
}

/* ==================== 教案查看/下载按钮 ==================== */
.btn-view-lesson,
.btn-download-lesson {
    padding: 5px 10px;
    font-size: 12px;
    border: 1px solid #17a2b8;
    background: #fff;
    color: #17a2b8;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-view-lesson:hover {
    background: #17a2b8;
    color: #fff;
}

.btn-download-lesson {
    border-color: #6f42c1;
    color: #6f42c1;
}

.btn-download-lesson:hover {
    background: #6f42c1;
    color: #fff;
}

/* ==================== 教案内容预览表格 ==================== */
.lesson-info-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.lesson-info-table td {
    border: 1px solid #dee2e6;
    padding: 8px 12px;
    vertical-align: top;
    line-height: 1.6;
}

.lesson-info-table td strong {
    color: #495057;
}

.lesson-activity-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.lesson-activity-table th {
    background: #e9ecef;
    border: 1px solid #dee2e6;
    padding: 8px 10px;
    font-weight: 600;
    text-align: center;
    color: #495057;
}

.lesson-activity-table td {
    border: 1px solid #dee2e6;
    padding: 8px 10px;
    vertical-align: top;
    line-height: 1.6;
}

.lesson-activity-table tr:nth-child(even) {
    background: #f8f9fa;
}

/* ==================== 批量生成按钮样式 ==================== */
.btn-batch-generate {
    padding: 6px 16px;
    font-size: 13px;
    border: none;
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
    font-weight: 500;
}

.btn-batch-generate:hover:not(:disabled) {
    background: linear-gradient(135deg, #e67e22, #d35400);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(243, 156, 18, 0.3);
}

.btn-batch-generate:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* ==================== Token信息标签 ==================== */
.lesson-token-info {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
    background: #e7f1ff;
    color: #0d6efd;
    margin-left: 6px;
    cursor: default;
}

.lesson-token-info i {
    font-size: 11px;
}

/* ==================== 重新生成按钮 ==================== */
.btn-regenerate-lesson {
    padding: 5px 10px;
    font-size: 12px;
    border: 1px solid #fd7e14;
    background: #fff;
    color: #fd7e14;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-regenerate-lesson:hover {
    background: #fd7e14;
    color: #fff;
}

/* ==================== 下载全部教案（下拉式按钮） ==================== */
.btn-download-dropdown {
    position: relative;
    display: inline-flex;
    align-items: stretch;
}

.btn-batch-download-all {
    padding: 6px 14px;
    font-size: 13px;
    border: none;
    background: linear-gradient(135deg, #78d5ff, #62b493);
    color: #fff;
    border-radius: 6px 0 0 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
    font-weight: 500;
}

.btn-download-toggle {
    padding: 6px 7px;
    border: none;
    background: linear-gradient(135deg, #62b493, #4da37e);
    color: #fff;
    border-radius: 0 6px 6px 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    transition: all 0.2s;
    border-left: 1px solid rgba(255,255,255,0.25);
    font-size: 12px;
}

.btn-batch-download-all:hover:not(:disabled) {
    background: linear-gradient(135deg, #5ec4f5, #4da37e);
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.25);
}

.btn-download-toggle:hover:not(:disabled) {
    background: linear-gradient(135deg, #4da37e, #3d8a6a);
}

.btn-batch-download-all:disabled,
.btn-batch-download-all.btn-generating {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    pointer-events: none;
}

.btn-download-toggle:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* 下载下拉菜单 */
.download-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    width: 280px;
    background: #fff;
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.12), 0 1px 4px rgba(0,0,0,0.06);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 6px;
}

.download-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.download-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    color: inherit;
    border-radius: 8px;
}

.download-dropdown-item:hover {
    background: #f0f7ff;
}

.download-item-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.download-item-icon i {
    font-size: 19px;
}

.download-item-icon.word {
    background: #e8f0fe;
    color: #2b5797;
}

.download-item-icon.zip {
    background: #fef3e2;
    color: #d97706;
}

.download-item-title {
    font-size: 13px;
    font-weight: 600;
    color: #1e293b;
    line-height: 1.3;
}

.download-item-desc {
    font-size: 11px;
    color: #94a3b8;
    margin-top: 1px;
    line-height: 1.3;
}

/* ==================== 生成中按钮状态 ==================== */
.btn-generate-lesson.btn-generating,
.btn-batch-generate.btn-generating {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-generate-lesson:disabled,
.btn-generate-lesson.btn-disabled,
.btn-regenerate-lesson:disabled,
.btn-regenerate-lesson.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==================== 生成中状态样式 ==================== */
.generating-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    text-align: center;
    min-height: 500px;
}

.generating-animation {
    margin-bottom: 30px;
}

.generating-animation .spinner-border {
    width: 4rem;
    height: 4rem;
    border-width: 0.4em;
}

.generating-title {
    font-size: 24px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.generating-title i {
    margin-right: 10px;
    color: #3498db;
}

.generating-desc {
    font-size: 16px;
    color: #7f8c8d;
    margin-bottom: 20px;
}

.progress-bar-container {
    width: 100%;
    max-width: 500px;
    margin-bottom: 30px;
}

.progress-text {
    text-align: center;
    margin-top: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #3498db;
}

.generating-tips {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 25px 30px;
    margin-bottom: 25px;
    max-width: 600px;
    width: 100%;
}

.tip-section {
    text-align: left;
}

.tip-title {
    display: flex;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.tip-title i {
    margin-right: 8px;
    font-size: 20px;
    color: #f39c12;
}

.tip-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tip-item-simple {
    display: flex;
    align-items: flex-start;
    font-size: 14px;
    color: #495057;
    line-height: 1.6;
}

.tip-item-simple i {
    margin-right: 10px;
    margin-top: 2px;
    font-size: 16px;
    color: #3498db;
    flex-shrink: 0;
}

/* 保留旧的tip-item样式以兼容其他地方 */
.tip-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    font-size: 15px;
    color: #495057;
    transition: all 0.3s ease;
}

.tip-item.active {
    color: #2c3e50;
    font-weight: 500;
}

.tip-item i {
    margin-right: 12px;
    font-size: 18px;
}

.tip-item i.bi-check-circle-fill {
    color: #27ae60;
}

.tip-item i.bi-hourglass-split {
    color: #f39c12;
    animation: pulse 1.5s ease-in-out infinite;
}

.tip-item i.bi-circle {
    color: #bdc3c7;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.generating-note {
    font-size: 14px;
    color: #95a5a6;
    margin-top: 20px;
}

.generating-note i {
    margin-right: 6px;
}

.generating-actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.generating-actions .btn {
    padding: 10px 25px;
    font-size: 15px;
    border-radius: 8px;
}

/* ==================== 错误状态样式 ==================== */
.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    text-align: center;
    min-height: 400px;
}

.error-container i {
    font-size: 64px;
    color: #e74c3c;
    margin-bottom: 20px;
}

.error-container h4 {
    font-size: 22px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.error-container p {
    font-size: 15px;
    color: #7f8c8d;
    margin-bottom: 25px;
    max-width: 500px;
}

.error-container .btn {
    padding: 10px 25px;
    font-size: 15px;
    border-radius: 8px;
}

/* AI内容免责声明 */
.ai-disclaimer {
    margin: 12px 0 0 0;
    padding: 10px 14px;
    background: #fff8e1;
    border: 1px solid #ffe082;
    border-radius: 8px;
    font-size: 12px;
    color: #e65100;
    line-height: 1.6;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-align: center;
}

.ai-disclaimer i {
    color: #f57c00;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 1px;
}