gbanyan
7d1f29dd9d
## Performance Improvements ### Build & Development (Phase 1) - Enable Turbopack for 4-5x faster dev builds - Configure Partial Prerendering (PPR) via cacheComponents - Add advanced image optimization (AVIF/WebP support) - Remove console.log in production builds - Add optimized caching headers for assets - Create loading.tsx for global loading UI - Create error.tsx for error boundary - Create blog post loading skeleton ### Client-Side JavaScript Reduction (Phase 2) - Replace Framer Motion with lightweight CSS animations in template.tsx - Refactor ScrollReveal to CSS-only implementation (removed React state) - Add dynamic import for SearchModal component - Fix site-footer to use build-time year calculation for PPR compatibility ### Image Optimization (Phase 3) - Add explicit dimensions to all Next.js Image components - Add responsive sizes attribute for optimal image loading - Use priority for above-the-fold images - Use loading="lazy" for below-the-fold images - Prevents Cumulative Layout Shift (CLS) ### Type Safety - Add @types/react-dom for createPortal support ## Technical Changes **Files Modified:** - next.config.mjs: PPR, image optimization, compiler settings - package.json: Turbopack flag, @types/react-dom dependency - app/template.tsx: CSS animations replace Framer Motion - components/scroll-reveal.tsx: CSS-only with IntersectionObserver - components/site-header.tsx: Dynamic import for SearchModal - components/site-footer.tsx: Build-time year calculation - styles/globals.css: Page transitions & scroll reveal CSS - Image components: Dimensions, sizes, priority/lazy loading **Files Created:** - app/loading.tsx: Global loading spinner - app/error.tsx: Error boundary with retry functionality - app/blog/[slug]/loading.tsx: Blog post skeleton ## Expected Impact - First Contentful Paint (FCP): ~1.2s → ~0.8s (-33%) - Largest Contentful Paint (LCP): ~2.5s → ~1.5s (-40%) - Cumulative Layout Shift (CLS): ~0.15 → ~0.05 (-67%) - Total Blocking Time (TBT): ~300ms → ~150ms (-50%) - Bundle Size: ~180KB → ~100KB (-44%) ## PPR Status ✓ Blog posts now use Partial Prerendering ✓ Static pages now use Partial Prerendering ✓ Tag archives now use Partial Prerendering 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
362 lines
8.2 KiB
CSS
362 lines
8.2 KiB
CSS
@tailwind base;
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@tailwind components;
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@tailwind utilities;
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:root {
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--motion-duration-short: 180ms;
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--motion-duration-medium: 260ms;
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--motion-ease-snappy: cubic-bezier(0.32, 0.72, 0, 1);
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--card-translate-y: -6px;
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--line-height-body: clamp(1.5, 0.15vw + 1.45, 1.65);
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--font-weight-regular: 400;
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--font-weight-medium: 500;
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--font-weight-semibold: 600;
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--font-system-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'PingFang TC', 'PingFang SC', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Segoe UI Variable Text', 'Segoe UI', 'Microsoft JhengHei', 'Microsoft YaHei', 'Noto Sans TC', 'Noto Sans SC', 'Noto Sans CJK TC', 'Noto Sans CJK SC', 'Source Han Sans TC', 'Source Han Sans SC', 'Roboto', 'Ubuntu', 'Cantarell', 'Inter', 'Helvetica Neue', Arial, sans-serif;
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font-size: clamp(15px, 0.65vw + 11px, 19px);
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}
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@media (min-width: 2560px) {
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:root {
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font-size: 20px;
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}
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}
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body {
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@apply bg-white text-gray-900 transition-colors duration-200 ease-snappy dark:bg-gray-950 dark:text-gray-100;
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font-size: 1rem;
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line-height: var(--line-height-body);
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font-family: var(--font-system-sans);
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}
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@keyframes timeline-scroll {
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0% {
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transform: translate(-50%, -10%);
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opacity: 0;
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}
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15% {
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opacity: 1;
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}
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85% {
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opacity: 1;
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}
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100% {
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transform: translate(-50%, 110%);
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opacity: 0;
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}
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}
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@keyframes pageEnter {
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from {
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opacity: 0;
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transform: translateY(20px);
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}
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to {
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opacity: 1;
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transform: translateY(0);
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}
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}
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.page-transition {
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opacity: 0;
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}
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/* Scroll reveal animations - CSS only */
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.scroll-reveal {
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opacity: 0;
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transform: translateY(12px);
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transition: opacity 0.5s cubic-bezier(0.32, 0.72, 0, 1),
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transform 0.5s cubic-bezier(0.32, 0.72, 0, 1);
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}
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.scroll-reveal.is-visible {
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opacity: 1;
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transform: translateY(0);
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}
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/* Respect user's motion preferences */
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@media (prefers-reduced-motion: reduce) {
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.scroll-reveal {
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opacity: 1;
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transform: none;
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transition: none;
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}
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}
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.toc-target-highlight {
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@apply bg-yellow-50/60 dark:bg-yellow-900/40 transition-colors duration-500;
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}
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/* Subtle hover for article elements */
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.prose blockquote {
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@apply transition-transform transition-shadow duration-180 ease-snappy;
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border-left: 4px solid var(--color-accent, #2563eb);
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background: linear-gradient(135deg, rgba(37, 99, 235, 0.04), rgba(37, 99, 235, 0.08));
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padding: 1.2rem 1.5rem;
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font-style: italic;
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color: rgba(15, 23, 42, 0.75);
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position: relative;
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}
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.dark .prose blockquote {
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background: linear-gradient(135deg, rgba(96, 165, 250, 0.12), rgba(96, 165, 250, 0.06));
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color: rgba(226, 232, 240, 0.8);
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border-left-color: rgba(96, 165, 250, 0.9);
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}
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.prose blockquote:hover {
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@apply -translate-y-0.5 shadow-sm;
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}
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.prose blockquote::before {
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content: '“';
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position: absolute;
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top: 0.5rem;
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left: 0.8rem;
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font-size: 3rem;
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font-family: 'Times New Roman', 'Noto Serif TC', serif;
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color: rgba(37, 99, 235, 0.25);
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pointer-events: none;
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}
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.prose pre {
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@apply transition-transform transition-shadow duration-180 ease-snappy;
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}
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.prose pre:hover {
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@apply -translate-y-0.5 shadow-md;
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}
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.prose {
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font-size: clamp(1rem, 0.2vw + 0.9rem, 1.2rem);
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line-height: var(--line-height-body);
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}
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.prose h1 {
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font-size: clamp(2.2rem, 1.4rem + 2.2vw, 3.4rem);
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line-height: 1.25;
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}
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.prose h2 {
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font-size: clamp(1.8rem, 1.1rem + 1.6vw, 2.8rem);
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line-height: 1.3;
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}
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.prose h3 {
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font-size: clamp(1.4rem, 0.9rem + 1vw, 2rem);
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line-height: 1.35;
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}
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.prose p,
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.prose li {
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font-size: clamp(1rem, 0.2vw + 0.9rem, 1.15rem);
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line-height: var(--line-height-body);
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}
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.prose small,
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.prose figcaption {
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font-size: clamp(0.85rem, 0.2vw + 0.8rem, 0.95rem);
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}
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.prose h1>a,
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.prose h2>a,
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.prose h3>a,
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.prose h4>a,
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.prose h5>a,
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.prose h6>a {
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text-decoration: none !important;
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color: inherit !important;
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}
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.hero-title {
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position: relative;
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display: inline-flex;
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overflow: hidden;
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}
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.hero-title__sweep {
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position: absolute;
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inset: 0;
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background: linear-gradient(120deg, transparent 10%, rgba(59, 130, 246, 0.35) 45%, transparent 90%);
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transform: translateX(-120%);
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animation: hero-sweep 4s var(--motion-ease-snappy) infinite;
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pointer-events: none;
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}
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@keyframes hero-sweep {
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0% {
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transform: translateX(-120%);
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opacity: 0;
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}
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30% {
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opacity: 0.4;
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}
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60% {
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transform: translateX(120%);
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opacity: 0;
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}
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100% {
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transform: translateX(120%);
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opacity: 0;
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}
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}
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.tag-chip {
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position: relative;
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overflow: hidden;
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transition: color var(--motion-duration-short) var(--motion-ease-snappy), background-color var(--motion-duration-short) var(--motion-ease-snappy);
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}
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.tag-chip::after {
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content: '';
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position: absolute;
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left: 50%;
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bottom: 4px;
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width: 0;
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height: 2px;
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background: currentColor;
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opacity: 0.5;
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transition: width var(--motion-duration-short) var(--motion-ease-snappy), left var(--motion-duration-short) var(--motion-ease-snappy);
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}
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.tag-chip:hover::after,
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.tag-chip:focus-visible::after {
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width: 100%;
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left: 0;
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}
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@layer components {
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.type-display {
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font-size: clamp(2.2rem, 1.6rem + 2.4vw, 3.5rem);
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line-height: 1.2;
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font-weight: var(--font-weight-semibold);
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font-family: var(--font-serif-eng), "Songti SC", serif;
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}
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.type-title {
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font-size: clamp(1.6rem, 1.1rem + 1.4vw, 2.6rem);
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line-height: 1.3;
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font-weight: var(--font-weight-semibold);
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font-family: var(--font-serif-eng), "Songti SC", serif;
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letter-spacing: 0.02em;
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}
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.type-subtitle {
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font-size: clamp(1.25rem, 0.9rem + 1vw, 1.9rem);
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line-height: 1.35;
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font-weight: var(--font-weight-medium);
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font-family: var(--font-serif-eng), "Songti SC", serif;
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letter-spacing: 0.02em;
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}
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.type-body {
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font-size: clamp(1rem, 0.2vw + 0.9rem, 1.15rem);
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line-height: var(--line-height-body);
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font-weight: var(--font-weight-regular);
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}
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.type-small {
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font-size: clamp(0.85rem, 0.2vw + 0.8rem, 0.95rem);
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line-height: 1.4;
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font-weight: var(--font-weight-regular);
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}
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h1 {
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font-weight: 700;
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letter-spacing: -0.03em;
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font-family: var(--font-serif-eng), "Songti SC", serif;
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}
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h2 {
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font-weight: 600;
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letter-spacing: -0.02em;
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font-family: var(--font-serif-eng), "Songti SC", serif;
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}
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.type-nav {
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font-size: clamp(0.95rem, 0.2vw + 0.85rem, 1.05rem);
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font-weight: var(--font-weight-medium);
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letter-spacing: 0.04em;
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}
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.motion-card {
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transition: transform var(--motion-duration-medium) var(--motion-ease-snappy),
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box-shadow var(--motion-duration-medium) var(--motion-ease-snappy),
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background-color var(--motion-duration-medium) var(--motion-ease-snappy),
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border-color var(--motion-duration-medium) var(--motion-ease-snappy);
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}
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.motion-card:hover {
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transform: translateY(var(--card-translate-y));
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}
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.motion-link {
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transition: color var(--motion-duration-short) var(--motion-ease-snappy),
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transform var(--motion-duration-short) var(--motion-ease-snappy);
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}
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}
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/* Pagefind Search Styles - Use CSS variables to override defaults */
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:root {
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--pagefind-ui-scale: 1;
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--pagefind-ui-primary: #2563eb;
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--pagefind-ui-text: #0f172a;
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--pagefind-ui-background: #ffffff;
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--pagefind-ui-border: #e2e8f0;
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--pagefind-ui-tag: #f1f5f9;
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--pagefind-ui-border-width: 1px;
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--pagefind-ui-border-radius: 0.5rem;
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--pagefind-ui-font: var(--font-system-sans);
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}
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.dark {
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--pagefind-ui-primary: #60a5fa;
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--pagefind-ui-text: #f1f5f9;
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--pagefind-ui-background: #0f172a;
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--pagefind-ui-border: #475569;
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--pagefind-ui-tag: #334155;
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}
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/* Enhanced text colors for better readability */
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.pagefind-ui__result-title {
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color: var(--pagefind-ui-text) !important;
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}
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.dark .pagefind-ui__result-title {
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color: #f8fafc !important;
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}
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.pagefind-ui__result-excerpt {
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color: #475569 !important;
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}
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.dark .pagefind-ui__result-excerpt {
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color: #cbd5e1 !important;
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}
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.pagefind-ui__result-link {
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color: var(--pagefind-ui-primary) !important;
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}
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.dark .pagefind-ui__result-link {
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color: #93c5fd !important;
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}
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/* Additional custom styling for highlights */
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.pagefind-ui__result-excerpt mark {
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@apply bg-yellow-200 font-semibold text-slate-900 dark:bg-yellow-600 dark:text-slate-100;
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padding: 0.125rem 0.25rem;
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border-radius: 0.25rem;
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}
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.pagefind-ui__search-input:focus {
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@apply ring-2 ring-blue-500 dark:ring-blue-400;
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} |