/* 现代化医疗UI样式 */
:root {
    /* 医疗专业色彩系统 */
    --primary-color: #0891b2;
    --secondary-color: #0e7490;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;

    /* 渐变色背景 */
    --bg-gradient: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 25%, #f0fdf4 75%, #f0fdfa 100%);

    /* 卡片样式 */
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-shadow: 0 8px 32px rgba(31, 38, 135, 0.12);
    --card-border: 1px solid rgba(255, 255, 255, 0.18);

    /* 字体系统 */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.825rem;
    --font-size-base: 0.9rem;
    --font-size-lg: 1rem;
    --font-size-xl: 1.1rem;
    --font-size-2xl: 1.25rem;
    --font-size-3xl: 1.4rem;

    /* 间距系统 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* 圆角 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: var(--font-primary);
    background: var(--bg-gradient);
    min-height: 100vh;
    line-height: 1.6;
    color: #1f2937;
    font-size: var(--font-size-base);
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 页面头部 */
.header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
}

.title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.title .icon {
    font-size: 1.5rem;
    color: #6b7280;
}

.subtitle {
    color: #6b7280;
    font-size: var(--font-size-lg);
    font-weight: 500;
}

/* 主要内容区域 */
.main-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    flex: 1;
}

/* 流程图卡片特殊样式 */
.flowchart-card {
    grid-column: 1 / -1; /* 占满整行 */
    min-height: 500px;
}

/* JSON数据卡片特殊样式 */
.json-data-card {
    grid-column: 1 / -1; /* 占满整行 */
}

.json-container {
    background: #f8f9fa;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    overflow: auto;
    max-height: 600px;
}

#json-display {
    margin: 0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: #1f2937;
    white-space: pre-wrap;
    word-wrap: break-word;
}

#json-display code {
    background: transparent;
    border: none;
    padding: 0;
    font-size: inherit;
    color: inherit;
}

/* 卡片基础样式 */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
    border: var(--card-border);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0.8;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.16);
}

/* 卡片标题 */
.card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.card-title .icon {
    font-size: 1.5rem;
}

/* 鉴别诊断卡片 */
.diagnosis-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.diagnosis-item {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-left: 4px solid;
    transition: all 0.3s ease;
}

.diagnosis-item.primary {
    border-left-color: var(--success-color);
}

.diagnosis-item.secondary {
    border-left-color: var(--warning-color);
}

.diagnosis-item:hover {
    transform: translateX(4px);
}

.diagnosis-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: var(--spacing-md);
}

.disease-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #1f2937;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.diagnosis-meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* category-badge 样式已删除 - 不再显示首要/次要诊断分类 */

.confidence-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: #6b7280;
}

.confidence-bar {
    width: 60px;
    height: 8px;
    background: #e5e7eb;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    border-radius: var(--radius-sm);
    transition: width 0.3s ease;
}

.confidence-stars {
    font-size: 0.8rem;
    letter-spacing: 1px;
    margin-left: var(--spacing-xs);
    white-space: nowrap;
}

.evidence-box {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.evidence-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.evidence-content {
    color: #4b5563;
    line-height: 1.7;
    font-size: var(--font-size-sm);
}

/* 病因分析卡片 */
.etiology-content {
    background: linear-gradient(135deg, #fefce8 0%, #fef3c7 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    line-height: 1.8;
    color: #78350f;
    font-size: var(--font-size-base);
    border: 1px solid #fde68a;
}

/* 文献引用卡片 */
.references-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.reference-item {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-left: 3px solid var(--info-color);
    position: relative;
}

.reference-id {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--info-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.reference-title {
    font-weight: 600;
    color: #1f2937;
    margin-bottom: var(--spacing-xs);
    margin-right: var(--spacing-xl);
}

.reference-journal {
    color: #6b7280;
    font-style: italic;
    font-size: var(--font-size-sm);
}

.reference-year {
    color: #9ca3af;
    font-size: var(--font-size-sm);
}

/* 文献引用的tooltip效果 */
.reference-item[data-citation] {
    cursor: help;  /* 鼠标变成问号样式 */
}

.reference-item[data-citation]::before {
    content: attr(data-citation);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    color: white;
    padding: 16px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.6;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
    white-space: normal;
    word-wrap: break-word;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    pointer-events: none;
    max-height: 400px;
    overflow-y: auto;
}

.reference-item[data-citation]::after {
    /* 小三角箭头 */
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 24px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid rgba(0, 0, 0, 0.95);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1001;
    pointer-events: none;
}

.reference-item[data-citation]:hover::before,
.reference-item[data-citation]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* 响应式：小屏幕上tooltip宽度自适应 */
@media (max-width: 768px) {
    .reference-item[data-citation]::before {
        left: 10px;
        right: 10px;
        font-size: 13px;
        max-height: 300px;
    }

    .reference-item[data-citation]::after {
        left: 20px;
    }
}

/* 🔥 为第一个文献item提供向下显示的tooltip，避免被顶部截断 */
.reference-item[data-citation]:first-child::before {
    bottom: auto;
    top: calc(100% + 10px);  /* 向下显示 */
}

.reference-item[data-citation]:first-child::after {
    bottom: auto;
    top: calc(100% + 2px);
    border-top: none;
    border-bottom: 8px solid rgba(0, 0, 0, 0.95);  /* 箭头指向上 */
}

/* 多学科检查卡片 */
.exams-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.exam-section {
    background: #f9fafb;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.exam-section-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.exam-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.exam-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.exam-item:hover {
    transform: translateX(2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.priority-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: white;
    white-space: nowrap;
    margin-top: 2px;
}

.priority-badge.required {
    background: var(--danger-color);
}

.priority-badge.recommended {
    background: var(--info-color);
}

.exam-details {
    flex: 1;
}

.exam-name {
    font-weight: 600;
    color: #1f2937;
    margin-bottom: var(--spacing-xs);
}

.exam-purpose {
    color: #6b7280;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* 推理过程卡片 */
.reasoning-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.detailed-reasoning {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    line-height: 1.8;
    color: #14532d;
    border: 1px solid #bbf7d0;
}

.flow-chart-container {
    background: #1f2937;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

/* 流程图控制按钮 */
.flowchart-controls {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 6px;
    z-index: 10;
}

.flowchart-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.9);
    color: #374151;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.flowchart-btn:hover {
    background: #fff;
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.flowchart-btn:active {
    transform: scale(0.95);
}

.mermaid {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

/* 沟通脚本卡片 */
.communication-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.script-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.script-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.script-type {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: white;
}

.script-type.professional {
    background: var(--primary-color);
}

.script-type.concise {
    background: var(--success-color);
}

.script-box {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-left: 4px solid;
    position: relative;
    line-height: 1.7;
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
}

.professional-script {
    border-left-color: var(--primary-color);
    color: #1f2937;
}

.concise-script {
    border-left-color: var(--success-color);
    color: #1f2937;
}

.script-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}


/* 页脚 */
.footer {
    text-align: center;
    padding: var(--spacing-xl);
    color: #6b7280;
    font-size: var(--font-size-xs);
    border-top: 1px solid rgba(156, 163, 175, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }

    .title {
        font-size: var(--font-size-2xl);
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .main-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .card {
        padding: var(--spacing-lg);
    }

    .diagnosis-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .exam-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .priority-badge {
        align-self: flex-start;
        margin-top: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-sm);
    }

    .header {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    .card {
        padding: var(--spacing-md);
    }

    .card-title {
        font-size: var(--font-size-lg);
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.6s ease-out forwards;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }
.card:nth-child(5) { animation-delay: 0.5s; }
.card:nth-child(6) { animation-delay: 0.6s; }

/* ==================== 新增样式：输入区域 ==================== */
.input-section {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
    padding: 0 var(--spacing-lg);
}

.input-container {
    padding: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.section-hint {
    color: #6b7280;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.case-input {
    width: 100%;
    min-height: 320px;
    padding: var(--spacing-md);
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    line-height: 1.6;
    resize: vertical;
    transition: border-color 0.3s ease;
}

.case-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.button-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(8, 145, 178, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background: #4b5563;
}

.btn-icon {
    font-size: var(--font-size-lg);
}

/* ==================== 新增样式：加载区域 ==================== */
.loading-section {
    max-width: 1000px;
    margin: 0 auto var(--spacing-xl);
    padding: 0 var(--spacing-lg);
}

.loading-container {
    padding: var(--spacing-xl);
}

.loading-icon {
    animation: rotate 2s linear infinite;
}

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

/* 进度条 */
.progress-wrapper {
    margin: var(--spacing-xl) 0;
}

.progress-bar {
    width: 100%;
    height: 32px;
    background: #e5e7eb;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg,
        var(--primary-color) 0%,
        var(--success-color) 100%);
    border-radius: var(--radius-lg);
    transition: width 0.5s ease;
    position: relative;
    overflow: hidden;
}

.progress-fill::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent);
    animation: shimmer 2s infinite;
}

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

.progress-text {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-color);
}

/* 步骤指示器 */
.steps-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: #f9fafb;
    border-radius: var(--radius-lg);
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.step-item.active {
    background: #f0f9ff;
    border: 2px solid var(--primary-color);
}

.step-item.completed {
    background: #f0fdf4;
    border: 2px solid var(--success-color);
}

.step-item.failed {
    background: #fef2f2;
    border: 2px solid var(--danger-color);
}

.step-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.step-item.active .step-icon {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.step-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: #374151;
    text-align: center;
}

.step-detail {
    font-size: var(--font-size-xs);
    color: #6b7280;
    margin-top: var(--spacing-xs);
    text-align: center;
}

.step-arrow {
    font-size: var(--font-size-xl);
    color: #9ca3af;
    margin: 0 var(--spacing-sm);
}

/* 时间信息 */
.time-info {
    text-align: center;
    margin: var(--spacing-lg) 0;
    font-size: var(--font-size-sm);
    color: #6b7280;
}

.time-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: #f0f9ff;
    border-radius: var(--radius-sm);
    color: var(--primary-color);
    font-weight: 600;
}

.time-divider {
    margin: 0 var(--spacing-md);
}

/* Raw日志区域 */
.raw-logs-wrapper {
    margin-top: var(--spacing-xl);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-lg);
    background: #ffffff;
}

.raw-logs-summary {
    padding: var(--spacing-md) var(--spacing-lg);
    background: #f9fafb;
    cursor: pointer;
    font-weight: 600;
    color: #374151;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transition: background 0.3s ease;
}

.raw-logs-summary:hover {
    background: #f3f4f6;
}

.log-count {
    color: var(--primary-color);
    font-size: var(--font-size-sm);
}

.raw-logs-content {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-md);
    background: #f9fafb;
    font-family: 'Courier New', Consolas, monospace;
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.log-placeholder {
    text-align: center;
    color: #9ca3af;
    padding: var(--spacing-xl);
}

.log-entry {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: #ffffff;
    border-left: 3px solid var(--primary-color);
    border-radius: var(--radius-sm);
}

.log-timestamp {
    color: #6b7280;
    font-size: var(--font-size-xs);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.log-message {
    color: #374151;
    word-break: break-word;
}

.log-data {
    margin-top: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: #f3f4f6;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    overflow-x: auto;
}

.btn-clear-logs {
    width: 100%;
    padding: var(--spacing-sm);
    background: #f3f4f6;
    border: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    color: #6b7280;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-clear-logs:hover {
    background: #e5e7eb;
    color: #374151;
}

/* ==================== 新增样式：结果操作区域 ==================== */
.result-actions {
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.btn-restart {
    background: #6b7280;
    color: white;
    padding: var(--spacing-md) var(--spacing-2xl);
}

.btn-restart:hover {
    background: #4b5563;
    transform: translateY(-2px);
}

/* ==================== 工具类 ==================== */
.hidden {
    display: none !important;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .steps-container {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .step-arrow {
        display: none;
    }

    .step-item {
        flex: 0 0 calc(50% - var(--spacing-md));
    }

    .button-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}
/* ==================== 🔥 新增：错误弹窗Modal样式 ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 8px;
    padding: 24px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 10000;
}

.modal-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 16px;
    color: #e53e3e;
}

.modal-message {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
    color: #333;
    white-space: pre-wrap;
}

.modal-btn {
    background: #4299e1;
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
}

.modal-btn:hover {
    background: #3182ce;
}

/* ==================== 🔥 新增：Tab切换样式 ==================== */
.tab-switcher {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-md);
    background: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--primary-color);
    color: white;
}

.tab-icon {
    font-size: 1.2rem;
}

/* ==================== 🔥 新增：历史记录样式 ==================== */
.history-section {
    max-width: 1000px;
    margin: 0 auto var(--spacing-xl);
    padding: 0 var(--spacing-lg);
}

.history-container {
    padding: var(--spacing-xl);
}

/* 搜索框样式 */
.history-search {
    position: relative;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.history-search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    padding-right: 40px;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    background: white;
}

.history-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.history-search .search-icon {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    opacity: 0.5;
    pointer-events: none;
}

.history-loading {
    text-align: center;
    padding: var(--spacing-2xl);
}

.loading-spinner {
    font-size: 3rem;
    animation: spin 2s linear infinite;
}

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

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.history-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.history-item-left {
    flex: 1;
}

.history-item-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.history-item-time {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-color);
}

.history-item-case {
    font-size: var(--font-size-sm);
    color: #6b7280;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

/* Session ID 显示样式 */
.history-item-session-id {
    font-size: var(--font-size-xs);
    color: #9ca3af;
    margin-top: var(--spacing-xs);
    font-family: 'Courier New', monospace;
}

.session-id-label {
    font-weight: 600;
    margin-right: var(--spacing-xs);
}

.session-id-value {
    color: #6b7280;
    user-select: all;
    cursor: text;
}

.session-id-value:hover {
    color: var(--primary-color);
    background: #f3f4f6;
    padding: 2px 4px;
    border-radius: 4px;
}

.history-item-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.history-item-status.completed {
    background: #d1fae5;
    color: #065f46;
}

.history-item-status.processing {
    background: #dbeafe;
    color: #1e40af;
}

.history-item-status.failed {
    background: #fee2e2;
    color: #991b1b;
}

.history-item-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.history-item-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.history-item-btn-primary {
    background: var(--primary-color);
    color: white;
}

.history-item-btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.history-empty {
    text-align: center;
    padding: var(--spacing-2xl);
}

/* 无搜索结果样式 */
.history-no-result {
    text-align: center;
    padding: var(--spacing-2xl);
    color: #6b7280;
}

.history-no-result .empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.history-no-result p {
    margin: var(--spacing-sm) 0;
}

.history-no-result .hint {
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.history-empty p {
    color: #6b7280;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

/* 响应式 */
@media (max-width: 768px) {
    .tab-switcher {
        flex-direction: column;
    }

    .history-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .history-item-actions {
        width: 100%;
    }

    .history-item-btn {
        flex: 1;
    }
}

/* 🔥 新增: 检查信息AI分析区域样式 */
.analysis-section {
    margin-bottom: var(--spacing-xl);
}

.analysis-container {
    padding: var(--spacing-xl);
}

.analysis-features {
    margin-top: var(--spacing-xl);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    cursor: default;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(8, 145, 178, 0.15);
}

.feature-item .feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.feature-item h3 {
    font-size: var(--font-size-base);
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.feature-item p {
    font-size: var(--font-size-xs);
    color: #6b7280;
}

.analysis-action {
    text-align: center;
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* 🔥 分页样式 */
.pagination-container {
    margin-top: 20px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.pagination-info {
    color: #666;
    font-size: 0.9rem;
}

.pagination-info-single {
    color: #667eea;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: center;
    width: 100%;
}

.pagination-controls-btns {
    display: flex;
    gap: 10px;
    align-items: center;
}

.pagination-btn {
    padding: 8px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    background: white;
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:hover:not(:disabled) {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-current {
    padding: 8px 16px;
    color: #667eea;
    font-weight: 600;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .pagination-container {
        flex-direction: column;
        text-align: center;
    }

    .pagination-controls-btns {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination-btn {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
}

/* ========== G6 流程图工具栏样式 ========== */
.g6-wrapper {
    position: relative;
    background: #fafbfc;
    border-radius: 12px;
    overflow: hidden;
}

.g6-wrapper:fullscreen {
    background: #fff;
    padding: 20px;
}

.g6-graph-container {
    width: 100%;
    min-height: 500px;
}

.g6-toolbar {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    z-index: 10;
}

.g6-toolbar button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    color: #64748b;
    transition: all 150ms ease;
}

.g6-toolbar button:hover {
    background: #f1f5f9;
    color: #334155;
}

.g6-toolbar button:active {
    transform: scale(0.95);
    background: #e2e8f0;
}

.g6-toolbar-divider {
    width: 1px;
    height: 16px;
    margin: 0 4px;
    background: #e2e8f0;
}

.g6-hints-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 10px 16px;
    background: #f8fafc;
    border-top: 1px solid #f1f5f9;
    font-size: 11px;
    color: #94a3b8;
}

.g6-hint-dot {
    width: 3px;
    height: 3px;
    margin: 0 10px;
    background: #cbd5e1;
    border-radius: 50%;
}

.card-subtitle {
    font-size: 12px;
    color: #94a3b8;
    margin: -8px 0 16px 0;
}

/* ==================== Detail 页面 Tab 布局样式 ==================== */
.detail-tab-nav {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.detail-tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    background: #f8fafc;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.detail-tab-btn:hover {
    background: #f1f5f9;
    color: var(--primary-color);
    border-color: #e2e8f0;
}

.detail-tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
}

.detail-tab-btn .tab-icon {
    font-size: 1.1rem;
}

/* Tab 内容区域 */
.detail-tab-content {
    min-height: 400px;
}

.detail-tab-pane {
    display: none;
    animation: tabFadeIn 0.3s ease;
}

.detail-tab-pane.active {
    display: block;
}

@keyframes tabFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tab 内的卡片间距 */
.detail-tab-pane .card {
    margin-bottom: var(--spacing-lg);
}

.detail-tab-pane .card:last-child {
    margin-bottom: 0;
}

/* 响应式：移动端 Tab 横向滚动 */
@media (max-width: 768px) {
    .detail-tab-nav {
        padding: var(--spacing-sm);
        gap: var(--spacing-xs);
    }

    .detail-tab-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}