/* ==========================================
           AI Agent 开发 — 专有样式
           风格延续 part3 的温暖杂志风
           ========================================== */

        /* ---- 章节标题变体 ---- */
        .chapter-section h3 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin: var(--space-xl) 0 var(--space-md);
            padding-left: var(--space-md);
            border-left: 3px solid var(--primary);
        }

        .chapter-section h4 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: var(--space-md) 0 var(--space-sm);
        }

        .part-divider {
            background: linear-gradient(135deg, var(--bg-card), var(--bg-elevated));
            border: 1px solid var(--border-subtle);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            box-shadow: var(--shadow-sm);
        }

        .part-divider h2 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.5rem;
            color: var(--text-primary);
            margin: var(--space-md) 0 var(--space-sm);
            padding: 0;
            border: 0;
        }

        .part-divider p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin: 0;
        }

        /* ---- 定义卡 ---- */
        .def-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .def-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .def-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            transition: opacity var(--transition-base);
        }

        .def-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .def-card:hover::before {
            opacity: 1;
        }

        .def-label {
            display: inline-block;
            font-size: 0.65rem;
            letter-spacing: 0.1em;
            padding: 3px 12px;
            border-radius: var(--radius-xl);
            margin-bottom: var(--space-sm);
        }

        .def-card h3 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.15rem;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .def-en {
            font-size: 0.7rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
            margin-bottom: var(--space-sm);
        }

        .def-body {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.65;
            text-align: left;
        }

        .def-body strong {
            color: var(--primary);
        }

        /* ---- 三要素卡片 ---- */
        .element-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .element-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
        }

        .element-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .element-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto var(--space-md);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }

        .element-card h3 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
        }

        .element-body {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.65;
        }

        /* ---- 技术卡片 ---- */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .tech-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .tech-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .tech-card h3 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
        }

        .tech-desc {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.65;
        }

        /* ---- 工作流步骤 ---- */
        .flow-steps {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
            justify-content: center;
            margin-bottom: var(--space-lg);
        }

        .flow-step {
            flex: 1;
            min-width: 160px;
            max-width: 220px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--space-lg) var(--space-md);
            text-align: center;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .flow-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .flow-step:not(:last-child)::after {
            content: '→';
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: bold;
        }

        .flow-num {
            display: inline-block;
            width: 28px;
            height: 28px;
            line-height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
        }

        .flow-step h4 {
            font-size: 0.9rem;
            color: var(--text-primary);
            margin-bottom: var(--space-xs);
        }

        .flow-step p {
            font-size: 0.75rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ---- 名词定义区块 ---- */
        .term-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-md);
            margin-bottom: var(--space-lg);
        }

        .term-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--space-md) var(--space-lg);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .term-item:hover {
            border-color: var(--border-accent);
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
        }

        .term-word {
            font-weight: 600;
            color: var(--primary-dark);
            font-size: 0.9rem;
        }

        .term-def {
            color: var(--text-secondary);
            font-size: 0.8rem;
            margin-top: 2px;
            line-height: 1.6;
        }

        /* ---- 场景卡片 ---- */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
        }

        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-accent);
        }

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

        .scene-card h3 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
        }

        .scene-desc {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* ---- 代码块 ---- */
        .code-block {
            background: #1E1E2E;
            border-radius: var(--radius-md);
            padding: var(--space-lg);
            margin-bottom: var(--space-lg);
            overflow-x: auto;
        }

        .code-block pre {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.78rem;
            line-height: 1.7;
            color: #CDD6F4;
        }

        .code-block .keyword { color: #CBA6F7; }
        .code-block .string { color: #A6E3A1; }
        .code-block .comment { color: #6C7086; font-style: italic; }
        .code-block .function { color: #89B4FA; }
        .code-block .number { color: #FAB387; }
        .code-block .decorator { color: #F9E2AF; }
        .code-block .class-name { color: #89DCE0; }
        .code-block .param { color: #FAB387; }

        /* ---- 代码块步骤标签 ---- */
        .code-step-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-family: 'Noto Sans SC', sans-serif;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-xl);
            margin-bottom: var(--space-sm);
        }

        /* ---- 对比表格 ---- */
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin-bottom: var(--space-lg);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .comparison-table thead {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
        }

        .comparison-table th {
            padding: var(--space-md) var(--space-lg);
            font-family: 'Noto Serif SC', serif;
            font-size: 0.9rem;
            font-weight: 600;
            text-align: left;
        }

        .comparison-table td {
            padding: var(--space-sm) var(--space-lg);
            font-size: 0.85rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-subtle);
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tbody tr:hover {
            background: var(--bg-elevated);
        }

        .comparison-table td:first-child {
            font-weight: 600;
            color: var(--text-primary);
        }

        /* ---- 两栏布局 ---- */
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        /* ---- 子主题列表 ---- */
        .topic-list {
            list-style: none;
            padding: 0;
        }

        .topic-list li {
            padding: var(--space-sm) var(--space-md);
            margin-bottom: var(--space-xs);
            background: var(--bg-elevated);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent);
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: all var(--transition-base);
        }

        .topic-list li:hover {
            border-left-color: var(--primary);
            transform: translateX(4px);
        }

        .topic-list li strong {
            color: var(--text-primary);
        }

        /* ---- 算法分类大卡片 ---- */
        .algo-section-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            margin-bottom: var(--space-md);
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
        }

        .algo-section-card:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-hover);
        }

        .algo-section-card h4 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }

        .algo-section-card p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.65;
        }

        /* ---- 评估方法卡片 ---- */
        .eval-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .eval-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
        }

        .eval-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .eval-card h4 {
            font-family: 'Noto Serif SC', serif;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
        }

        .eval-card p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.65;
        }

        /* ---- 实战步骤卡片 ---- */
        .tutorial-step-grid {
            display: flex;
            flex-direction: column;
            gap: var(--space-lg);
            margin-bottom: var(--space-xl);
        }

        .tutorial-step {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
        }

        .tutorial-step:hover {
            box-shadow: var(--shadow-hover);
        }

        .tutorial-step-header {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            padding: var(--space-md) var(--space-lg);
            background: var(--bg-elevated);
            border-bottom: 1px solid var(--border-subtle);
        }

        .tutorial-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-family: 'Noto Sans SC', sans-serif;
            font-size: 0.9rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .tutorial-step-title {
            font-family: 'Noto Serif SC', serif;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .tutorial-step-body {
            padding: var(--space-lg);
        }

        .tutorial-step-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: var(--space-md);
        }

        /* ---- 参数配置卡片 ---- */
        .param-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--space-md);
            margin-bottom: var(--space-lg);
        }

        .param-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--space-md) var(--space-lg);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .param-card:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-hover);
        }

        .param-name {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
        }

        .param-range {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .param-desc {
            color: var(--text-secondary);
            font-size: 0.8rem;
            margin-top: 4px;
            line-height: 1.55;
        }

        /* ---- 总结框 ---- */
        .conclusion-box {
            background: linear-gradient(135deg, #FFF5F0, #FFF0EB);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-xl);
            margin-bottom: var(--space-lg);
        }

        .conclusion-box p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .conclusion-box strong {
            color: var(--primary-dark);
        }

        /* ---- 过渡块 ---- */
        .transition-block {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            text-align: center;
            margin-bottom: var(--space-xl);
            box-shadow: var(--shadow-sm);
        }

        .transition-block p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* ---- 响应式 ---- */
        @media (max-width: 768px) {
            .two-col {
                grid-template-columns: 1fr;
            }
            .flow-step:not(:last-child)::after {
                display: none;
            }
        }

        /* ==========================================
           演进时间线
           ========================================== */

        .evo-timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            margin-bottom: var(--space-xl);
            position: relative;
            padding-left: 120px;
        }

        .evo-timeline::before {
            content: '';
            position: absolute;
            left: 55px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: linear-gradient(180deg, #6366F1, #8B5CF6, #F59E0B, #10B981);
            border-radius: 2px;
        }

        .evo-marker {
            display: flex;
            align-items: flex-start;
            gap: var(--space-lg);
            position: relative;
            padding: var(--space-md) 0;
        }

        .evo-year {
            position: absolute;
            left: -100px;
            top: 14px;
            width: 70px;
            text-align: right;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--evo-color, #6366F1);
        }

        .evo-dot {
            position: absolute;
            left: -8px;
            top: 16px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--evo-color, #6366F1);
            border: 3px solid var(--bg-card);
            box-shadow: 0 0 0 2px var(--evo-color, #6366F1);
            flex-shrink: 0;
            z-index: 1;
        }

        .evo-content {
            flex: 1;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--space-md) var(--space-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .evo-content:hover {
            transform: translateX(5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--evo-color, #6366F1);
        }

        .evo-content strong {
            color: var(--text-primary);
        }

        .evo-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .evo-multi {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .evo-multi span {
            display: block;
        }

        /* ==========================================
           框架选择速查
           ========================================== */

        .frame-pick-grid {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-md);
            margin-top: var(--space-lg);
            flex-wrap: wrap;
        }

        .frame-pick-item {
            flex: 1;
            min-width: 160px;
            max-width: 240px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-sm);
            border-top: 4px solid var(--pick-color, #6366F1);
        }

        .frame-pick-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--pick-color, #6366F1);
        }

        .frame-pick-arrow {
            font-size: 1.5rem;
            color: var(--text-muted);
            font-weight: 300;
            flex-shrink: 0;
        }

        .pick-label {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--pick-color, #6366F1);
            margin-bottom: var(--space-sm);
            letter-spacing: 0.05em;
        }

        .pick-name {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            padding: 3px 0;
        }

        .pick-desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: var(--space-sm);
            line-height: 1.5;
        }

        /* ==========================================
           场景卡片 — 示例文字
           ========================================== */

        .scene-example {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: var(--space-sm);
            padding-top: var(--space-sm);
            border-top: 1px dashed var(--border-subtle);
            line-height: 1.5;
        }

        .status-box {
            background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border: 1px solid var(--border-subtle);
            border-left: 4px solid var(--primary);
        }

        .status-box p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ==========================================
           Agent 架构总览
           ========================================== */

        .arch-overview {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-xl);
            margin-bottom: var(--space-xl);
            box-shadow: var(--shadow-sm);
        }

        .arch-title {
            font-family: 'Noto Serif SC', serif;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: var(--space-lg);
            text-align: center;
        }

        .arch-flow {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        .arch-node {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--space-sm) var(--space-md);
            min-width: 80px;
            text-align: center;
        }

        .arch-node-primary {
            background: #EEF2FF;
            border-color: #C7D2FE;
        }

        .arch-node-tool {
            background: #ECFDF5;
            border-color: #A7F3D0;
        }

        .arch-node-icon {
            font-size: 1.4rem;
            line-height: 1;
        }

        .arch-node-label {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .arch-node-sub {
            font-size: 0.6rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        .arch-node-set {
            display: flex;
            gap: var(--space-sm);
        }

        .arch-connector {
            font-size: 1.2rem;
            color: var(--text-muted);
            font-weight: 300;
        }

        .arch-connector-double {
            color: var(--primary);
            font-weight: 600;
        }

        .arch-note {
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: var(--space-lg);
            padding-top: var(--space-md);
            border-top: 1px dashed var(--border-subtle);
            line-height: 1.6;
        }

        .arch-note strong {
            color: var(--text-primary);
        }


        /* ==========================================
           Vibe Coding：本地文件整理 Agent
           ========================================== */

        #vibe-file-agent {
            scroll-margin-top: 88px;
        }

        .vibe-role-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: var(--space-md);
            margin-bottom: var(--space-lg);
        }

        .vibe-role-card {
            display: flex;
            gap: var(--space-md);
            align-items: flex-start;
            padding: var(--space-lg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
        }

        .vibe-role-builder {
            border-top: 3px solid #6366F1;
        }

        .vibe-role-product {
            border-top: 3px solid #10B981;
        }

        .vibe-role-icon {
            display: grid;
            place-items: center;
            width: 44px;
            height: 44px;
            flex: 0 0 44px;
            border-radius: 14px;
            background: var(--bg-elevated);
            font-size: 1.35rem;
        }

        .vibe-role-card h4 {
            margin: 0 0 6px;
            color: var(--text-primary);
            font-family: 'Noto Serif SC', serif;
            font-size: 1rem;
        }

        .vibe-role-card p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 0.84rem;
            line-height: 1.65;
        }

        .vibe-key-point {
            margin-bottom: var(--space-xl);
            border-left: 4px solid #8B5CF6;
        }

        .guardrail-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: var(--space-md);
            margin-bottom: var(--space-xl);
        }

        .guardrail-item {
            display: flex;
            gap: var(--space-sm);
            align-items: flex-start;
            padding: var(--space-md);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            background: var(--bg-card);
        }

        .guardrail-icon {
            display: grid;
            place-items: center;
            width: 34px;
            height: 34px;
            flex: 0 0 34px;
            border-radius: 10px;
            background: #FFF7ED;
            font-size: 1rem;
        }

        .guardrail-item strong {
            display: block;
            margin-bottom: 3px;
            color: var(--text-primary);
            font-size: 0.9rem;
        }

        .guardrail-item p {
            margin: 0;
            color: var(--text-muted);
            font-size: 0.78rem;
            line-height: 1.55;
        }

        .vibe-dialogue {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            padding: var(--space-md);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            background: linear-gradient(180deg, var(--bg-elevated), var(--bg-card));
            margin-bottom: var(--space-md);
        }

        .vibe-dialogue.compact {
            padding-bottom: 0;
        }

        .vibe-message {
            display: flex;
            flex-direction: column;
            max-width: 88%;
        }

        .vibe-message-user {
            align-self: flex-end;
            align-items: flex-end;
        }

        .vibe-message-agent {
            align-self: flex-start;
            align-items: flex-start;
        }

        .vibe-speaker {
            margin-bottom: 5px;
            color: var(--text-muted);
            font-size: 0.72rem;
            font-weight: 600;
        }

        .vibe-bubble {
            padding: var(--space-md);
            border-radius: 16px;
            font-size: 0.84rem;
            line-height: 1.75;
        }

        .vibe-message-user .vibe-bubble {
            color: #312E81;
            background: #EEF2FF;
            border-bottom-right-radius: 4px;
        }

        .vibe-message-agent .vibe-bubble {
            color: #14532D;
            background: #ECFDF5;
            border-bottom-left-radius: 4px;
        }

        .vibe-bubble code {
            padding: 1px 5px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.72);
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.8em;
        }

        .vibe-tip,
        .policy-note {
            padding: var(--space-sm) var(--space-md);
            border-left: 3px solid #8B5CF6;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            background: #F5F3FF;
            color: #5B21B6;
            font-size: 0.8rem;
            line-height: 1.65;
        }

        .project-layout {
            overflow: hidden;
            margin-bottom: var(--space-md);
            border: 1px solid #DDE3EA;
            border-radius: var(--radius-md);
            background: #F8FAFC;
        }

        .project-layout-title {
            padding: 10px var(--space-md);
            border-bottom: 1px solid #DDE3EA;
            color: #334155;
            background: #F1F5F9;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.78rem;
            font-weight: 700;
        }

        .project-layout pre {
            overflow-x: auto;
            margin: 0;
            padding: var(--space-md);
            color: #475569;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.78rem;
            line-height: 1.75;
        }

        .run-result {
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            background: var(--bg-card);
        }

        .run-result-head,
        .run-row,
        .run-summary {
            display: grid;
            align-items: center;
            gap: var(--space-sm);
            padding: 11px var(--space-md);
        }

        .run-result-head {
            display: flex;
            justify-content: space-between;
            color: var(--text-primary);
            background: var(--bg-elevated);
            font-size: 0.82rem;
            font-weight: 700;
        }

        .run-badge {
            padding: 3px 9px;
            border-radius: 999px;
            font-size: 0.66rem;
            font-weight: 600;
        }

        .run-badge-safe {
            color: #047857;
            background: #D1FAE5;
        }

        .run-row {
            grid-template-columns: minmax(120px, 0.9fr) 22px minmax(180px, 1.4fr) 48px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.74rem;
        }

        .run-file,
        .run-target {
            overflow-wrap: anywhere;
            font-family: 'JetBrains Mono', monospace;
        }

        .run-file {
            color: var(--text-secondary);
        }

        .run-target {
            color: var(--text-primary);
        }

        .run-arrow {
            color: var(--text-muted);
            text-align: center;
        }

        .run-confidence {
            padding: 3px 5px;
            border-radius: 6px;
            text-align: center;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.65rem;
            font-weight: 700;
        }

        .run-confidence.high {
            color: #047857;
            background: #D1FAE5;
        }

        .run-confidence.medium {
            color: #B45309;
            background: #FEF3C7;
        }

        .run-confidence.low {
            color: #B91C1C;
            background: #FEE2E2;
        }

        .run-summary {
            display: block;
            border-top: 1px solid var(--border-subtle);
            color: var(--text-muted);
            background: #FAFAF9;
            font-size: 0.72rem;
        }

        .policy-flow {
            display: flex;
            align-items: stretch;
            justify-content: center;
            gap: 8px;
            margin: var(--space-md) 0;
        }

        .policy-step {
            display: flex;
            flex: 1;
            gap: 7px;
            align-items: center;
            min-width: 0;
            padding: 10px;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            background: var(--bg-card);
            font-size: 0.72rem;
            line-height: 1.4;
        }

        .policy-step span {
            display: grid;
            place-items: center;
            width: 22px;
            height: 22px;
            flex: 0 0 22px;
            border-radius: 50%;
            color: #fff;
            background: var(--primary);
            font-size: 0.65rem;
            font-weight: 700;
        }

        .policy-arrow {
            display: grid;
            place-items: center;
            color: var(--text-muted);
        }

        .policy-note {
            margin: 0 !important;
            border-left-color: #F59E0B;
            color: #92400E !important;
            background: #FFFBEB;
        }

        .approval-gate {
            display: flex;
            gap: var(--space-md);
            align-items: flex-start;
            margin-top: var(--space-md);
            padding: var(--space-md);
            border: 1px solid #FCD34D;
            border-radius: var(--radius-md);
            background: #FFFBEB;
        }

        .approval-icon {
            font-size: 1.4rem;
        }

        .approval-copy strong {
            color: #92400E;
            font-size: 0.9rem;
        }

        .approval-copy p {
            margin: 4px 0 0;
            color: #A16207;
            font-size: 0.78rem;
            line-height: 1.6;
        }

        .acceptance-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: var(--space-sm);
        }

        .acceptance-card {
            padding: var(--space-md);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            background: var(--bg-card);
        }

        .acceptance-card > span {
            display: inline-grid;
            place-items: center;
            width: 24px;
            height: 24px;
            margin-bottom: 8px;
            border-radius: 50%;
            color: #047857;
            background: #D1FAE5;
            font-weight: 800;
        }

        .acceptance-card strong {
            display: block;
            color: var(--text-primary);
            font-size: 0.82rem;
        }

        .acceptance-card p {
            margin: 4px 0 0;
            color: var(--text-muted);
            font-size: 0.72rem;
            line-height: 1.55;
        }

        .agent-loop-strip {
            display: flex;
            align-items: stretch;
            justify-content: center;
            gap: 8px;
            padding: var(--space-lg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, #FFF7ED, #FFFBEB);
        }

        .agent-loop-item {
            display: flex;
            flex: 1;
            min-width: 0;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .agent-loop-item span {
            display: grid;
            place-items: center;
            width: 28px;
            height: 28px;
            margin-bottom: 6px;
            border-radius: 50%;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            font-size: 0.72rem;
            font-weight: 700;
        }

        .agent-loop-item strong {
            color: var(--text-primary);
            font-size: 0.8rem;
        }

        .agent-loop-item small {
            margin-top: 3px;
            color: var(--text-muted);
            font-size: 0.64rem;
            line-height: 1.45;
        }

        .agent-loop-arrow {
            display: grid;
            place-items: center;
            color: var(--primary);
        }


        @media (max-width: 768px) {
            .vibe-role-grid,
            .guardrail-grid,
            .acceptance-grid {
                grid-template-columns: 1fr;
            }
            .vibe-role-card {
                padding: var(--space-md);
            }
            .vibe-message {
                max-width: 100%;
            }
            .run-row {
                grid-template-columns: 1fr auto;
                gap: 6px var(--space-sm);
            }
            .run-arrow {
                display: none;
            }
            .run-target {
                grid-column: 1 / -1;
                padding-top: 5px;
                border-top: 1px dashed var(--border-subtle);
            }
            .run-confidence {
                grid-column: 2;
                grid-row: 1;
            }
            .policy-flow,
            .agent-loop-strip {
                flex-direction: column;
            }
            .policy-arrow,
            .agent-loop-arrow {
                transform: rotate(90deg);
                min-height: 20px;
            }
            .agent-loop-item {
                width: 100%;
            }
            .evo-timeline {
                padding-left: 50px;
            }
            .evo-year {
                position: static;
                width: auto;
                text-align: left;
                margin-bottom: 4px;
            }
            .evo-dot {
                left: -7px;
            }
            .frame-pick-grid {
                flex-direction: column;
            }
            .frame-pick-arrow {
                transform: rotate(90deg);
            }
            .arch-flow {
                flex-direction: column;
            }
            .arch-connector {
                transform: rotate(90deg);
            }
            .arch-node-set {
                flex-direction: column;
            }
        }