:root{--background: oklch(0 0 0);--foreground: oklch(1 0 0);--primary: oklch(1 0 0);--primary-foreground: oklch(0 0 0);--muted: oklch(0 0 0 / .5);--muted-foreground: oklch(1 0 0 / .6);--border: oklch(1 0 0 / .08);--glass: oklch(1 0 0 / .03);--glass-border: oklch(1 0 0 / .08);--radius: .75rem}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,ui-sans-serif,system-ui,sans-serif;background-color:var(--background);color:var(--foreground);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.glass{background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.875rem;font-weight:600;border-radius:var(--radius);border:1px solid var(--primary);background:var(--primary);color:var(--primary-foreground);transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px #ffffff26}.header{position:fixed;top:0;left:0;right:0;z-index:1000}.header-glass{background:#000000b3;backdrop-filter:blur(20px);border:none;border-radius:0;border-bottom:1px solid var(--border)}.header-container{display:flex;align-items:center;justify-content:space-between;height:4rem}.logo{display:flex;align-items:center;gap:.75rem;font-weight:700}.logo-icon{width:2.5rem;height:2.5rem;background:var(--foreground);color:var(--background);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:900}.nav{display:none;align-items:center;gap:2rem}@media(min-width:768px){.nav{display:flex}}.nav-link{color:var(--foreground);font-weight:500;font-size:.875rem;opacity:.7;transition:all .3s ease}.nav-link:hover,.nav-link.active{opacity:1}.theme-toggle{width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .3s ease;color:var(--foreground)}.theme-toggle:hover{border-color:var(--foreground);transform:rotate(15deg)}.theme-icon{font-size:1.25rem}.main{padding-top:6rem;padding-bottom:4rem}.article-container{max-width:720px}.article-header{margin-bottom:3rem;text-align:center}.article-meta{display:flex;gap:1rem;justify-content:center;margin-bottom:1.5rem;font-size:.875rem;color:var(--muted-foreground);text-transform:uppercase;letter-spacing:.05em}.article-category{padding:.25rem .75rem;border:1px solid var(--border);border-radius:4px}.article-title{font-size:clamp(1.75rem,5vw,2.5rem);font-weight:800;letter-spacing:-.03em;line-height:1.2;margin-bottom:1rem}.article-description{font-size:1.125rem;color:var(--muted-foreground);max-width:600px;margin:0 auto}.share-buttons{display:flex;gap:.5rem;justify-content:center;margin-top:2rem;align-items:center}.share-label{font-size:.875rem;color:var(--muted-foreground);margin-right:.5rem}.share-btn{width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border);border-radius:var(--radius);color:var(--foreground);cursor:pointer;transition:all .3s ease}.share-btn:hover{background:var(--foreground);color:var(--background);transform:translateY(-2px)}.share-btn svg{width:1rem;height:1rem}.copy-toast{position:fixed;bottom:2rem;left:50%;transform:translate(-50%) translateY(100px);background:var(--foreground);color:var(--background);padding:.75rem 1.5rem;border-radius:var(--radius);opacity:0;transition:all .3s ease;z-index:10000}.copy-toast.show{transform:translate(-50%) translateY(0);opacity:1}.article-content{font-size:1.125rem;line-height:1.8}.article-content p{margin-bottom:1.5rem}.article-content h2{font-size:1.5rem;font-weight:700;margin:2.5rem 0 1rem;letter-spacing:-.02em}.article-content h3{font-size:1.25rem;font-weight:600;margin:2rem 0 .75rem}.article-content ul,.article-content ol{margin:1rem 0 1.5rem 1.5rem}.article-content li{margin-bottom:.5rem}.article-content strong{font-weight:600}.article-content .lead{font-size:1.25rem;color:var(--muted-foreground);margin-bottom:2rem}.footer{padding:4rem 0 2rem;border-top:1px solid var(--border)}.footer-content{display:grid;gap:3rem;margin-bottom:3rem}@media(min-width:768px){.footer-content{grid-template-columns:1fr 2fr}}.footer-desc{color:var(--muted-foreground);margin-top:1rem;max-width:300px;font-size:.875rem}.footer-links{display:grid;gap:2rem;grid-template-columns:repeat(2,1fr)}.footer-col{display:flex;flex-direction:column;gap:.75rem}.footer-col-title{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;margin-bottom:.5rem}.footer-link{color:var(--muted-foreground);font-size:.875rem;transition:all .2s ease}.footer-link:hover{color:var(--foreground)}.footer-bottom{padding-top:2rem;border-top:1px solid var(--border);text-align:center}.footer-bottom p{color:var(--muted-foreground);font-size:.75rem}html:not(.dark){--background: #ffffff;--foreground: #000000;--primary: #000000;--muted: #f5f5f5;--muted-foreground: #666666;--border: #e5e5e5;--glass: rgba(0, 0, 0, .03);--glass-border: rgba(0, 0, 0, .1)}html:not(.dark) .header-glass{background:#fffffff2;border-bottom-color:#e5e5e5}html:not(.dark) .logo-icon{background:#000;color:#fff}html:not(.dark) .nav-link{color:#000}html:not(.dark) .theme-toggle{border-color:#000;color:#000}html:not(.dark) .article-category{border-color:#000}html:not(.dark) .share-btn{border-color:#000;color:#000}html:not(.dark) .share-btn:hover{background:#000;color:#fff}html:not(.dark) .footer{border-top-color:#e5e5e5}