sanbuphy
404 lines
13 KiB
Vue
404 lines
13 KiB
Vue
<template>
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<div class="backend-evolution-demo">
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<!-- Timeline -->
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<div class="timeline-container">
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<div class="timeline-track"></div>
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<button
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v-for="(stage, index) in stages"
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:key="index"
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class="timeline-node"
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:class="{ active: currentStage === index, passed: currentStage > index }"
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@click="currentStage = index"
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>
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<div class="node-dot">
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<div class="inner-dot"></div>
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</div>
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<div class="node-content">
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<span class="year-badge">{{ stage.year }}</span>
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<span class="node-label">{{ stage.label }}</span>
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</div>
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</button>
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</div>
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<!-- Content -->
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<div class="content-wrapper">
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<transition name="fade-slide" mode="out-in">
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<div :key="currentStage" class="stage-content">
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<div class="header-section">
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<h3>
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<span class="stage-index">{{ indexToRoman(currentStage + 1) }}.</span>
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{{ stages[currentStage].title }}
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</h3>
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<p>{{ stages[currentStage].desc }}</p>
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</div>
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<div class="visualization-grid">
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<!-- Architecture Diagram -->
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<div class="mac-window arch-window">
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<div class="window-bar">
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<div class="traffic-lights">
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<span class="light red"></span>
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<span class="light yellow"></span>
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<span class="light green"></span>
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</div>
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<div class="window-title">Server Architecture</div>
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</div>
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<div class="arch-canvas">
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<!-- Stage 0: CGI/Static -->
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<div v-if="currentStage === 0" class="arch-static">
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<div class="server-box">
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<div class="server-icon">🖥️ Physical Server</div>
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<div class="file-system">
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<div class="file">index.html</div>
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<div class="file">script.pl</div>
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<div class="file">image.jpg</div>
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</div>
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</div>
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<div class="request-arrow">
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<span>GET /index.html</span>
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<span class="arrow">➔</span>
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</div>
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</div>
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<!-- Stage 1: Monolith -->
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<div v-if="currentStage === 1" class="arch-monolith">
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<div class="server-box big">
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<div class="server-icon">🦍 Monolithic App (Tomcat/Django)</div>
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<div class="modules-grid">
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<div class="module">User</div>
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<div class="module">Order</div>
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<div class="module">Payment</div>
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<div class="module">Product</div>
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</div>
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<div class="db-connection">
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<span>⬇ SQL</span>
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<div class="db-icon">🗄️ Single DB</div>
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</div>
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</div>
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</div>
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<!-- Stage 2: Microservices -->
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<div v-if="currentStage === 2" class="arch-micro">
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<div class="cloud-bg">
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<div class="service-mesh">
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<div class="service user">
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<span>User Svc</span>
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<small>Redis</small>
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</div>
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<div class="service order">
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<span>Order Svc</span>
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<small>MySQL</small>
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</div>
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<div class="service pay">
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<span>Pay Svc</span>
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<small>Postgres</small>
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</div>
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</div>
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</div>
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<div class="comm-lines">HTTP/gRPC</div>
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</div>
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<!-- Stage 3: Serverless -->
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<div v-if="currentStage === 3" class="arch-serverless">
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<div class="function-cloud">
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<div class="func-node">λ Login</div>
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<div class="func-node">λ Checkout</div>
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<div class="func-node">λ ResizeImg</div>
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</div>
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<div class="baas-layer">
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<span>BaaS (Auth0, Supabase, Stripe)</span>
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</div>
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</div>
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</div>
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</div>
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<!-- Deployment/Ops View -->
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<div class="mac-window ops-window">
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<div class="window-bar">
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<div class="window-title">Deployment & Ops</div>
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</div>
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<div class="ops-canvas">
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<div class="ops-card">
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<div class="ops-icon">{{ stages[currentStage].opsIcon }}</div>
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<div class="ops-title">{{ stages[currentStage].opsTitle }}</div>
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<div class="ops-desc">{{ stages[currentStage].opsDesc }}</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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</transition>
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</div>
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</div>
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</template>
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<script setup>
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import { ref } from 'vue'
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const currentStage = ref(0)
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const indexToRoman = (num) => {
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const map = { 1: 'I', 2: 'II', 3: 'III', 4: 'IV' }
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return map[num] || num
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}
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const stages = [
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{
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year: '1990s',
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label: 'CGI / Static',
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title: 'Physical Servers & Scripts',
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desc: 'In the beginning, servers were physical machines. We uploaded files via FTP. Backend logic was often simple Perl/CGI scripts executing one by one.',
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opsIcon: '🐌',
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opsTitle: 'Manual FTP Upload',
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opsDesc: 'Development was slow. "It works on my machine" was the common nightmare. Scaling meant buying a bigger physical computer.'
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},
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{
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year: '2000s',
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label: 'Monolith',
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title: 'The Monolithic Era',
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desc: 'Frameworks like Java Spring, Rails, Django appeared. All logic (User, Order, Pay) was packed into ONE giant process. Simple to develop, hard to scale.',
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opsIcon: '🐳',
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opsTitle: 'Virtual Machines (VM)',
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opsDesc: 'We started using VMs (AWS EC2). Scaling meant copying the entire giant application to multiple servers behind a Load Balancer.'
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},
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{
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year: '2014+',
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label: 'Microservices',
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title: 'Microservices & Containers',
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desc: 'Breaking the monolith! Each function (User, Order) became a separate tiny server. Docker changed the game by packaging dependencies together.',
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opsIcon: '☸️',
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opsTitle: 'Kubernetes (K8s)',
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opsDesc: 'Orchestrating thousands of containers. Complexity exploded, but teams could work independently and scale specific parts (e.g., just the Payment service).'
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},
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{
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year: '2020s+',
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label: 'Serverless',
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title: 'Serverless & Edge',
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desc: 'No more managing servers. You just write a function (e.g., "resize image") and upload it. The cloud provider runs it only when needed (Pay-per-use).',
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opsIcon: '⚡',
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opsTitle: 'GitOps & Edge',
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opsDesc: 'Push to Git -> Auto Deploy to global Edge nodes (Vercel, Cloudflare). Backend becomes "Functions + Managed Services (BaaS)".'
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}
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]
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</script>
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<style scoped>
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.backend-evolution-demo {
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border-radius: 16px;
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background: var(--vp-c-bg);
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box-shadow: 0 8px 30px rgba(0,0,0,0.05);
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border: 1px solid var(--vp-c-divider);
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overflow: hidden;
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margin: 2rem 0;
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
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}
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/* Timeline (Reused) */
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.timeline-container {
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padding: 2rem 1rem 1rem;
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background: linear-gradient(to bottom, var(--vp-c-bg-soft), var(--vp-c-bg));
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display: flex;
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justify-content: space-between;
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position: relative;
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border-bottom: 1px solid var(--vp-c-divider);
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}
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.timeline-track {
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position: absolute;
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top: 2.5rem;
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left: 3rem;
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right: 3rem;
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height: 2px;
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background: var(--vp-c-divider);
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z-index: 0;
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}
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.timeline-node {
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position: relative;
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z-index: 1;
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background: transparent;
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border: none;
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display: flex;
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flex-direction: column;
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align-items: center;
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cursor: pointer;
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padding: 0;
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width: 25%;
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transition: all 0.3s ease;
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opacity: 0.6;
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}
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.timeline-node:hover { opacity: 0.9; }
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.timeline-node.active, .timeline-node.passed { opacity: 1; }
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.node-dot {
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width: 16px;
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height: 16px;
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border-radius: 50%;
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background: var(--vp-c-bg);
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border: 2px solid var(--vp-c-text-3);
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margin-bottom: 0.8rem;
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display: flex;
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align-items: center;
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justify-content: center;
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transition: all 0.3s;
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}
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.inner-dot {
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width: 0;
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height: 0;
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border-radius: 50%;
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background: var(--vp-c-brand);
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transition: all 0.3s;
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}
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.timeline-node.active .node-dot {
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border-color: var(--vp-c-brand);
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transform: scale(1.3);
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box-shadow: 0 0 0 4px var(--vp-c-bg-soft);
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}
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.timeline-node.active .inner-dot { width: 8px; height: 8px; }
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.timeline-node.passed .node-dot { border-color: var(--vp-c-brand); background: var(--vp-c-brand); }
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.node-content {
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text-align: center;
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 0.2rem;
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}
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.year-badge {
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font-size: 0.75rem;
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font-family: var(--vp-font-family-mono);
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background: var(--vp-c-bg-alt);
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padding: 2px 6px;
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border-radius: 4px;
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color: var(--vp-c-text-2);
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}
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.node-label {
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font-size: 0.85rem;
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font-weight: 600;
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color: var(--vp-c-text-1);
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}
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/* Content */
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.content-wrapper { padding: 2rem; min-height: 400px; }
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.header-section {
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text-align: center;
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margin-bottom: 2rem;
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max-width: 600px;
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margin: 0 auto 2rem;
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}
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.header-section h3 {
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font-size: 1.5rem;
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margin-bottom: 0.5rem;
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background: linear-gradient(120deg, #f59e0b, #ea580c); /* Orange/Amber for Backend */
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-webkit-background-clip: text;
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-webkit-text-fill-color: transparent;
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}
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.stage-index { color: var(--vp-c-text-3); -webkit-text-fill-color: var(--vp-c-text-3); margin-right: 0.5rem; font-weight: normal; }
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.header-section p { font-size: 1rem; color: var(--vp-c-text-2); line-height: 1.6; }
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/* Visualizations */
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.visualization-grid {
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display: grid;
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grid-template-columns: 1fr 1fr;
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gap: 2rem;
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align-items: stretch;
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}
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@media (max-width: 768px) { .visualization-grid { grid-template-columns: 1fr; } }
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.mac-window {
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border-radius: 12px;
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border: 1px solid rgba(0,0,0,0.1);
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box-shadow: 0 10px 30px rgba(0,0,0,0.05);
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overflow: hidden;
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display: flex;
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flex-direction: column;
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background: white;
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transition: transform 0.3s;
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}
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.mac-window:hover { transform: translateY(-5px); }
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.arch-window { background: #f1f5f9; }
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.ops-window { background: white; }
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.window-bar {
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padding: 0.8rem 1rem;
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background: white;
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border-bottom: 1px solid rgba(0,0,0,0.05);
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display: flex;
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align-items: center;
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position: relative;
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}
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.traffic-lights { display: flex; gap: 6px; }
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.light { width: 10px; height: 10px; border-radius: 50%; }
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.light.red { background: #ff5f56; }
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.light.yellow { background: #ffbd2e; }
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.light.green { background: #27c93f; }
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.window-title {
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position: absolute;
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left: 0;
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right: 0;
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text-align: center;
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font-size: 0.8rem;
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color: var(--vp-c-text-2);
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font-weight: 600;
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}
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.arch-canvas, .ops-canvas {
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padding: 2rem;
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flex: 1;
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display: flex;
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align-items: center;
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justify-content: center;
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min-height: 250px;
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}
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/* Arch Styles */
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.server-box {
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background: #cbd5e1;
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border: 2px solid #94a3b8;
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padding: 1rem;
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border-radius: 8px;
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text-align: center;
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}
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.file-system { margin-top: 1rem; background: white; padding: 0.5rem; border-radius: 4px; font-family: monospace; font-size: 0.8rem; }
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.request-arrow { margin-top: 1rem; display: flex; flex-direction: column; align-items: center; font-size: 0.8rem; color: #64748b; }
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.server-box.big { background: #dbeafe; border-color: #3b82f6; width: 100%; max-width: 250px; }
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.modules-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin: 1rem 0; }
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.module { background: #bfdbfe; padding: 4px; border-radius: 4px; font-size: 0.8rem; color: #1e40af; }
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.db-connection { font-size: 0.8rem; display: flex; flex-direction: column; align-items: center; }
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.cloud-bg { width: 100%; }
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.service-mesh { display: flex; gap: 1rem; justify-content: center; }
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.service { background: white; border: 1px solid #e2e8f0; padding: 0.8rem; border-radius: 6px; text-align: center; box-shadow: 0 4px 6px rgba(0,0,0,0.05); display: flex; flex-direction: column; }
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.service small { color: #64748b; font-size: 0.7rem; margin-top: 4px; }
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.comm-lines { margin-top: 1rem; font-size: 0.8rem; color: #94a3b8; text-align: center; border-top: 1px dashed #cbd5e1; width: 80%; padding-top: 4px; }
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.function-cloud { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-bottom: 1.5rem; }
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.func-node { background: #fef3c7; border: 1px solid #f59e0b; color: #b45309; padding: 6px 12px; border-radius: 20px; font-family: monospace; font-size: 0.8rem; }
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.baas-layer { width: 100%; background: #e0e7ff; padding: 0.5rem; text-align: center; border-radius: 6px; font-size: 0.8rem; color: #4338ca; font-weight: bold; }
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/* Ops Card */
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.ops-card { text-align: center; }
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.ops-icon { font-size: 4rem; margin-bottom: 1rem; }
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.ops-title { font-size: 1.2rem; font-weight: bold; margin-bottom: 0.5rem; color: var(--vp-c-text-1); }
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.ops-desc { font-size: 0.9rem; color: var(--vp-c-text-2); line-height: 1.5; }
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/* Transitions */
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.fade-slide-enter-active, .fade-slide-leave-active { transition: all 0.4s ease; }
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.fade-slide-enter-from { opacity: 0; transform: translateY(20px); }
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.fade-slide-leave-to { opacity: 0; transform: translateY(-20px); }
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</style> |