.ai-summary-card {
    background: linear-gradient(135deg, #f7fafc 0%, #e9eafc 100%);
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(102,126,234,0.10), 0 1.5px 6px rgba(0,0,0,0.04);
    padding: 32px 28px 28px 28px;
    margin: 32px auto 24px auto;
    max-width: 700px;
    position: relative;
    font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans', Arial, sans-serif;
    animation: fadeInUp 0.8s cubic-bezier(.23,1.01,.32,1) both;
}

@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(40px);}
    100% { opacity: 1; transform: translateY(0);}
}

.ai-summary-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    position: relative;
}

.ai-summary-icon {
    font-size: 2.1em;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(102,126,234,0.15);
}

.ai-summary-model {
    font-weight: 600;
    color: #667eea;
    font-size: 1.1em;
    letter-spacing: 0.5px;
}

.ai-summary-label {
    background: #e9eafc;
    color: #764ba2;
    border-radius: 8px;
    padding: 2px 12px;
    font-size: 0.98em;
    margin-left: auto;
    font-weight: 500;
}

.ai-summary-desc {
    color: #888fb3;
    font-size: 1em;
    margin-bottom: 12px;
    margin-left: 2px;
}

.ai-summary-content {
    background: #fff;
    border-radius: 12px;
    padding: 22px 20px;
    font-size: 1.13em;
    color: #2d3748;
    line-height: 1.85;
    min-height: 60px;
    box-shadow: 0 2px 8px rgba(102,126,234,0.06);
    border-left: 4px solid #667eea;
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
    word-break: break-all;
}

.ai-summary-content.typing::after {
    content: '';
    display: inline-block;
    width: 1ch;
    height: 1.2em;
    background: #667eea;
    margin-left: 2px;
    animation: blink 1s steps(1) infinite;
    vertical-align: middle;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@media (max-width: 600px) {
    .ai-summary-card { padding: 18px 6px 16px 6px; }
    .ai-summary-content { padding: 14px 8px; font-size: 1em;}
    .ai-summary-header { gap: 7px; }
}

/* 顶部显示的摘要卡片特殊样式 */
.ai-summary-card.ai-summary-top {
    margin-bottom: 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border: 1px solid #e9ecef;
    position: relative;
}

.ai-summary-card.ai-summary-top::before {
    content: "📝";
    position: absolute;
    top: -10px;
    left: 20px;
    background: #007bff;
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
}

.ai-summary-badge {
    align-self: flex-end;
    font-size: 14px;
    color: #666;
}

.ai-summary-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.ai-summary-btn, .ai-summary-feedback {
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.ai-summary-btn {
    background: #007bff;
    color: #fff;
}

.ai-summary-btn:hover {
    background: #0056b3;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,123,255,0.3);
}

.ai-summary-feedback {
    background: #f1f1f1;
    color: #333;
}

.ai-summary-feedback:hover {
    background: #e0e0e0;
    transform: translateY(-1px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .ai-summary-card {
        padding: 15px;
        margin: 15px 0;
    }
    
    .ai-summary-header h3 {
        font-size: 16px;
    }
    
    .ai-summary-content {
        padding: 12px;
        font-size: 14px;
    }
    
    .ai-summary-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .ai-summary-btn, .ai-summary-feedback {
        width: 100%;
        text-align: center;
    }
}

/* 加载动画 */
.ai-loading {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 搜索框动画 */
.ai-search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: #f7fafc;
    border-radius: 12px;
    padding: 5px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    max-width: 400px;
}

.ai-search-wrapper:focus-within {
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.ai-search-icon {
    padding: 0 15px;
    font-size: 1.2em;
    color: #a0aec0;
    transition: color 0.3s ease;
}

.ai-search-wrapper:focus-within .ai-search-icon {
    color: #667eea;
}

.ai-search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px 15px;
    font-size: 1em;
    color: #2d3748;
    outline: none;
    transition: all 0.3s ease;
}

.ai-search-input::placeholder {
    color: #a0aec0;
    transition: color 0.3s ease;
}

.ai-search-wrapper:focus-within .ai-search-input::placeholder {
    color: #cbd5e0;
}

.ai-clear-search {
    background: none;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 1em;
    color: #a0aec0;
    transition: all 0.3s ease;
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.8);
}

.ai-clear-search.show {
    opacity: 1;
    transform: scale(1);
}

.ai-clear-search:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.1);
}

/* 文章卡片隐藏动画 */
.ai-article-card {
    transition: all 0.3s ease;
}

.ai-article-card.hidden {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
    max-height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

/* 进度条动画 */
.ai-progress-fill {
    transition: width 0.5s ease;
}

/* 确认对话框动画 */
.ai-confirm-dialog {
    transition: opacity 0.3s ease;
}

.ai-confirm-content {
    transition: transform 0.3s ease;
}

/* 按钮加载状态 */
.ai-generate-summary-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.ai-generate-summary-btn:disabled .ai-loading {
    animation: spin 1s linear infinite;
}

/* 文章管理页面按钮样式 */
.ai-generate-summary-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    text-decoration: none;
    min-width: 100px;
    justify-content: center;
}

.ai-generate-summary-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.ai-generate-summary-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #cbd5e0;
    box-shadow: none;
}

.ai-generate-summary-btn.disabled:hover {
    transform: none;
    box-shadow: none;
}

/* 全选取消全选按钮 */
.ai-select-all-btn,
.ai-deselect-all-btn {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(72, 187, 120, 0.3);
    margin-right: 10px;
}

.ai-deselect-all-btn {
    background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%);
    box-shadow: 0 2px 8px rgba(245, 101, 101, 0.3);
}

.ai-select-all-btn:hover,
.ai-deselect-all-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.4);
}

.ai-deselect-all-btn:hover {
    box-shadow: 0 4px 12px rgba(245, 101, 101, 0.4);
}

/* 批量生成按钮 */
.ai-bulk-generate-btn {
    background: linear-gradient(135deg, #ed8936 0%, #dd6b20 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(237, 137, 54, 0.3);
    margin-top: 20px;
}

.ai-bulk-generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(237, 137, 54, 0.4);
}

.ai-bulk-generate-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #cbd5e0;
    box-shadow: none;
}

.ai-bulk-generate-btn.disabled:hover {
    transform: none;
    box-shadow: none;
}

/* 按钮图标 */
.ai-btn-icon {
    font-size: 14px;
    line-height: 1;
}

/* 复选框样式 */
.ai-checkbox-wrapper {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.ai-checkbox {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.ai-checkmark {
    height: 20px;
    width: 20px;
    background-color: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.ai-checkbox:checked ~ .ai-checkmark {
    background-color: #667eea;
    border-color: #667eea;
}

.ai-checkbox:checked ~ .ai-checkmark:after {
    content: "";
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* 文章卡片选中状态 */
.ai-article-card.selected {
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

/* 确认对话框样式 */
.ai-confirm-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.ai-confirm-dialog.show {
    opacity: 1;
    visibility: visible;
}

.ai-confirm-content {
    background: white;
    border-radius: 12px;
    padding: 0;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.ai-confirm-dialog.show .ai-confirm-content {
    transform: scale(1);
}

.ai-confirm-header {
    padding: 20px 24px 0;
    border-bottom: 1px solid #e2e8f0;
}

.ai-confirm-header h3 {
    margin: 0 0 15px 0;
    color: #2d3748;
    font-size: 18px;
    font-weight: 600;
}

.ai-confirm-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #a0aec0;
    transition: color 0.3s ease;
}

.ai-confirm-close:hover {
    color: #2d3748;
}

.ai-confirm-body {
    padding: 20px 24px;
    color: #4a5568;
    line-height: 1.6;
}

.ai-confirm-actions {
    padding: 0 24px 20px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.ai-confirm-cancel,
.ai-confirm-ok {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.ai-confirm-cancel {
    background: #f7fafc;
    color: #4a5568;
    border: 1px solid #e2e8f0;
}

.ai-confirm-cancel:hover {
    background: #edf2f7;
}

.ai-confirm-ok {
    background: #667eea;
    color: white;
}

.ai-confirm-ok:hover {
    background: #5a67d8;
    transform: translateY(-1px);
}

/* 进度对话框样式 */
.ai-progress-bar {
    width: 100%;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin: 15px 0;
}

.ai-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.ai-progress-text {
    text-align: center;
    color: #4a5568;
    font-size: 14px;
    margin: 10px 0;
}

.ai-progress-details {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 10px;
    margin-top: 15px;
}

.ai-progress-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    margin-bottom: 5px;
    border-radius: 6px;
    font-size: 13px;
}

.ai-progress-item.success {
    background: #f0fff4;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.ai-progress-item.error {
    background: #fed7d7;
    color: #742a2a;
    border: 1px solid #feb2b2;
}

/* 通知样式 */
.ai-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #48bb78;
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    max-width: 400px;
}

.ai-notification.show {
    transform: translateX(0);
}

.ai-notification-error {
    background: #f56565;
}

.ai-notification-success {
    background: #48bb78;
}

.ai-notification-info {
    background: #667eea;
}

.ai-notification-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.ai-notification-message {
    flex: 1;
    line-height: 1.4;
}

.ai-notification-close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s ease;
    flex-shrink: 0;
}

.ai-notification-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 文章卡片样式 */
.ai-article-card {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.ai-article-card:hover {
    border-color: #cbd5e0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.ai-article-card.has-summary {
    border-color: #48bb78;
    background: linear-gradient(135deg, #f0fff4 0%, #ffffff 100%);
}

.ai-article-card.no-summary {
    border-color: #fed7d7;
    background: linear-gradient(135deg, #fed7d7 0%, #ffffff 100%);
}

.ai-article-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.ai-article-status {
    font-size: 18px;
    cursor: help;
}

.ai-article-title {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    line-height: 1.4;
}

.ai-article-date {
    margin: 0 0 10px 0;
    font-size: 12px;
    color: #718096;
}

.ai-article-summary-preview {
    margin: 10px 0 0 0;
    font-size: 13px;
    color: #4a5568;
    line-height: 1.5;
    background: rgba(255, 255, 255, 0.8);
    padding: 8px 12px;
    border-radius: 6px;
    border-left: 3px solid #48bb78;
}

.ai-article-actions {
    margin-top: 15px;
    text-align: center;
}

/* 控制区域样式 */
.ai-articles-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: #f7fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.ai-controls-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.ai-controls-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 统计样式 */
.ai-articles-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.ai-stat-item {
    background: #f7fafc;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    color: #4a5568;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-stat-item strong {
    color: #667eea;
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .ai-articles-controls {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .ai-controls-left,
    .ai-controls-right {
        justify-content: center;
    }
    
    .ai-select-all-btn,
    .ai-deselect-all-btn {
        flex: 1;
        justify-content: center;
    }
    
    .ai-articles-stats {
        flex-direction: column;
        gap: 10px;
    }
    
    .ai-stat-item {
        justify-content: center;
    }
    
    .ai-confirm-content {
        width: 95%;
        margin: 20px;
    }
    
    .ai-confirm-actions {
        flex-direction: column;
    }
    
    .ai-confirm-cancel,
    .ai-confirm-ok {
        width: 100%;
    }
}

/* 展开/收起按钮右上角定位 */
.ai-summary-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: #764ba2;
    font-size: 1.5em;
    cursor: pointer;
    margin-left: 12px;
    transition: color 0.2s;
    vertical-align: middle;
    outline: none;
    z-index: 2;
    padding: 0;
    line-height: 1;
}
.ai-summary-toggle:hover {
    color: #667eea;
}
.ai-toggle-arrow {
    transition: transform 0.25s cubic-bezier(.4,2,.6,1);
    display: block;
}

/* 右下角反馈按钮 */
.ai-summary-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}
.ai-summary-feedback-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 18px;
    padding: 7px 22px;
    font-size: 0.98em;
    font-weight: 500;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(102,126,234,0.10);
    transition: background 0.2s, box-shadow 0.2s;
}
.ai-summary-feedback-btn:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    box-shadow: 0 4px 16px rgba(102,126,234,0.18);
}