/* PDF 转换工具样式 */
.converter-page {
    max-width: 1600px;
    margin: 80px auto 0;
    padding: 2rem;
}

.converter-header {
    text-align: center;
    margin-bottom: 2rem;
}

.converter-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.converter-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* 上传区域 */
.upload-section {
    margin-bottom: 2rem;
}

.upload-area {
    background: var(--card-bg);
    border: 3px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 4rem 2rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.upload-area h3 {
    margin-bottom: 0.5rem;
}

.upload-area p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.upload-btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 1rem;
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.upload-hint {
    font-size: 0.85rem;
    margin-top: 1rem !important;
    opacity: 0.7;
}

/* 进度区域 */
.progress-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.progress-section h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
}

.step-icon {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    border: 3px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.progress-step.active .step-icon {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    animation: pulse 1s infinite;
}

.progress-step.completed .step-icon {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.progress-step.error .step-icon {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.step-info {
    text-align: center;
}

.step-name {
    display: block;
    font-weight: 500;
    font-size: 0.9rem;
}

.step-status {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.progress-step.active .step-status {
    color: var(--primary-color);
}

.progress-step.completed .step-status {
    color: #10b981;
}

.overall-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.overall-progress .progress-bar {
    flex: 1;
    height: 12px;
    background: var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.overall-progress .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #8b5cf6);
    border-radius: 6px;
    transition: width 0.3s ease;
}

.progress-text {
    font-weight: 600;
    min-width: 50px;
    text-align: right;
}

.progress-log {
    max-height: 150px;
    overflow-y: auto;
    background: var(--bg-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.85rem;
}

.progress-log .log-entry {
    padding: 0.25rem 0;
    border-bottom: 1px solid var(--border-color);
}

.progress-log .log-entry:last-child {
    border-bottom: none;
}

.progress-log .log-time {
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.progress-log .log-success {
    color: #10b981;
}

.progress-log .log-error {
    color: #ef4444;
}

.progress-log .log-warning {
    color: #f59e0b;
}

/* 选项区域 */
.options-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.options-section h3 {
    margin-bottom: 1.5rem;
}

.options-section h4 {
    margin: 1.5rem 0 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

/* 解析引擎选择 */
.engine-selection {
    margin-bottom: 2rem;
}

.engine-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.engine-card {
    position: relative;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.engine-card:hover {
    border-color: var(--primary-color);
}

.engine-card input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.engine-card input[type="radio"]:checked + .engine-info {
    color: var(--primary-color);
}

.engine-card:has(input:checked) {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.engine-info {
    text-align: center;
}

.engine-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.engine-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.engine-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.engine-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    background: var(--bg-color);
    color: var(--text-secondary);
}

.engine-status.ready {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.engine-status.unavailable {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.engine-status.checking {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

/* 后端配置 */
.backend-config {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.config-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.config-row label {
    min-width: 80px;
}

.config-row input[type="text"] {
    flex: 1;
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-color);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.config-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.config-hint a {
    color: var(--primary-color);
}

.config-hint-inline {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

/* LLM 配置样式 */
.llm-config {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px dashed var(--border-color);
}

.llm-config h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.llm-options {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.llm-hint {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--card-bg);
    border-radius: 6px;
    font-size: 0.85rem;
    line-height: 1.6;
}

.llm-hint a {
    color: var(--primary-color);
}

#llmStatus {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

#llmStatus.configured {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

#llmStatus.not-configured {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.config-row input[type="number"] {
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-color);
}

.config-row select {
    flex: 1;
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-color);
}

/* 弹窗 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 2rem;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius);
    max-width: 700px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-color);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-body h4 {
    margin: 1.5rem 0 0.75rem;
    color: var(--text-color);
}

.modal-body h4:first-child {
    margin-top: 0;
}

.modal-body pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 0.75rem 0;
}

.modal-body code {
    font-family: 'Fira Code', monospace;
}

.modal-body p {
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.option-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.option-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.option-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.option-group select {
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-color);
    color: var(--text-color);
}

/* 结果区域 */
.result-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.result-tabs {
    display: flex;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.result-tab {
    flex: 1;
    padding: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.result-tab:hover {
    color: var(--primary-color);
}

.result-tab.active {
    color: var(--primary-color);
    font-weight: 500;
}

.result-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
}

.result-panel {
    display: none;
    padding: 1.5rem;
}

.result-panel.active {
    display: block;
}

/* 对比验证 */
.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.comparison-header h3 {
    margin: 0;
}

.verification-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-color);
    border-radius: 20px;
    font-size: 0.9rem;
}

.verification-status.success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.verification-status.warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.verification-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.comparison-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.comparison-pane {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.comparison-pane .pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    font-weight: 500;
}

.page-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-nav button {
    padding: 0.25rem 0.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.page-nav button:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
}

.page-nav button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.sync-scroll {
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

.sync-scroll.active {
    background: #10b981;
}

.comparison-pane .pane-content {
    height: 500px;
    overflow: auto;
    padding: 1rem;
    background: white;
}

[data-theme="dark"] .comparison-pane .pane-content {
    background: #1e293b;
}

#pdfCanvas {
    max-width: 100%;
    display: block;
    margin: 0 auto;
}

#convertedPreview {
    line-height: 1.8;
}

#convertedPreview img {
    max-width: 100%;
    border-radius: 8px;
    margin: 1rem 0;
}

/* 验证详情 */
.verification-details {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.verification-details h4 {
    margin-bottom: 1rem;
}

.verification-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stat-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.stat-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #34d399);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.stat-fill.warning {
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.stat-fill.error {
    background: linear-gradient(90deg, #ef4444, #f87171);
}

.stat-value {
    font-weight: 600;
    font-size: 1.1rem;
}

.missing-content {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.missing-content h5 {
    color: #f59e0b;
    margin-bottom: 0.5rem;
}

.missing-content ul {
    margin: 0;
    padding-left: 1.5rem;
}

.missing-content li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

/* 预览面板 */
.preview-frame-container {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.preview-frame {
    width: 100%;
    height: 700px;
    border: none;
    background: white;
}

/* 源代码面板 */
.source-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.source-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.source-tab {
    padding: 0.5rem 1rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.source-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.source-code {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 8px;
    overflow: auto;
    max-height: 500px;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* 图片面板 */
.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.image-item {
    background: var(--bg-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.image-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.image-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.image-item .image-info {
    padding: 0.75rem;
}

.image-item .image-name {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.image-item .image-size {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.image-item .image-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.image-item .image-actions button {
    flex: 1;
    padding: 0.25rem;
    font-size: 0.75rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.image-item .image-actions button:hover {
    background: var(--primary-color);
    color: white;
}

/* 导出区域 */
.export-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.export-section h3 {
    margin-bottom: 1.5rem;
}

.export-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* 响应式 */
@media (max-width: 1024px) {
    .comparison-container {
        grid-template-columns: 1fr;
    }

    .verification-stats {
        grid-template-columns: 1fr;
    }

    .progress-steps {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .progress-steps::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .converter-page {
        padding: 1rem;
        margin-top: 70px;
    }

    .upload-area {
        padding: 2rem 1rem;
    }

    .result-tabs {
        flex-wrap: wrap;
    }

    .result-tab {
        flex: 1 1 50%;
    }

    .source-actions {
        flex-direction: column;
    }

    .export-buttons {
        flex-direction: column;
    }
}

/* 加载动画 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 通知 */
.notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    z-index: 10000;
    animation: slideIn 0.3s ease;
}

.notification.success {
    border-left-color: #10b981;
}

.notification.error {
    border-left-color: #ef4444;
}

.notification.warning {
    border-left-color: #f59e0b;
}

/* ==================== 保存为博客 ==================== */
.save-blog-section {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.save-blog-section h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.save-blog-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.save-blog-form .form-row {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.save-blog-form label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.save-blog-form input,
.save-blog-form select,
.save-blog-form textarea {
    padding: 0.8rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.2s;
    background: #fff;
}

.save-blog-form input:focus,
.save-blog-form select:focus,
.save-blog-form textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.save-blog-form textarea {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-large span {
    margin-right: 0.5rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.save-result {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    border-radius: 12px;
    border: 1px solid #6ee7b7;
}

.success-message {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.success-message .icon {
    font-size: 2rem;
}

.message-content {
    flex: 1;
}

.message-content strong {
    display: block;
    font-size: 1.1rem;
    color: #065f46;
    margin-bottom: 0.5rem;
}

.message-content p {
    color: #047857;
    margin-bottom: 1rem;
}

/* 导出区域优化 */
.export-section {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    margin-top: 2rem;
    box-shadow: var(--shadow);
}

.export-section h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.export-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}