:root,[data-theme=dark]{--color-bg-primary: #0a0c10;--color-bg-surface: #12161f;--color-bg-glass: rgba(18, 22, 31, .75);--color-border-glass: rgba(255, 255, 255, .08);--color-accent-primary: #6366f1;--color-accent-hover: #4f46e5;--color-accent-cyan: #06b6d4;--color-text-primary: #f8fafc;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-bg-code: #0e1217;--color-text-code: #f8fafc;--color-border-code: rgba(255, 255, 255, .1);--color-bg-inline-code: rgba(99, 102, 241, .15)}[data-theme=light]{--color-bg-primary: #f8fafc;--color-bg-surface: #ffffff;--color-bg-glass: rgba(255, 255, 255, .85);--color-border-glass: rgba(0, 0, 0, .08);--color-accent-primary: #4f46e5;--color-accent-hover: #4338ca;--color-accent-cyan: #0284c7;--color-text-primary: #0f172a;--color-text-secondary: #334155;--color-text-muted: #64748b;--color-bg-code: #f1f5f9;--color-text-code: #0f172a;--color-border-code: rgba(0, 0, 0, .1);--color-bg-inline-code: rgba(79, 70, 229, .1)}:root{--font-family-base: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: clamp(1.75rem, 4vw, 2.5rem);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--backdrop-blur: blur(12px);--shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, .15);--transition-fast: .15s ease;--transition-normal: .25s ease}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:var(--font-family-base);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;transition:background-color var(--transition-normal),color var(--transition-normal)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.main-content{flex:1;padding-top:var(--spacing-2xl);padding-bottom:var(--spacing-2xl)}.grid-2{display:grid;grid-template-columns:repeat(1,1fr);gap:var(--spacing-xl)}.grid-3{display:grid;grid-template-columns:repeat(1,1fr);gap:var(--spacing-lg)}@media (min-width: 768px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}}.section{margin-bottom:var(--spacing-2xl)}.section-title{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-md);color:var(--color-text-primary)}.section-subtitle{color:var(--color-text-secondary);font-size:var(--font-size-lg);margin-bottom:var(--spacing-xl)}.header{position:sticky;top:0;z-index:100;background:var(--color-bg-glass);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border-bottom:1px solid var(--color-border-glass);padding:var(--spacing-sm) 0}.header-nav{display:flex;justify-content:space-between;align-items:center}.logo{font-size:var(--font-size-xl);font-weight:800;color:var(--color-text-primary);text-decoration:none;display:flex;align-items:center;gap:var(--spacing-sm);min-height:44px}.logo-img-light{display:none}.logo-img-dark,[data-theme=light] .logo-img-light{display:block}[data-theme=light] .logo-img-dark{display:none}.desktop-nav{display:flex;align-items:center;gap:var(--spacing-md)}.nav-links{display:flex;gap:var(--spacing-md);list-style:none}.nav-link{color:var(--color-text-secondary);text-decoration:none;font-size:var(--font-size-sm);font-weight:600;padding:.75rem 1rem;min-height:44px;display:inline-flex;align-items:center;border-radius:var(--radius-md);transition:color var(--transition-fast),background-color var(--transition-fast)}.nav-link:hover,.nav-link.active{color:var(--color-accent-cyan);background-color:var(--color-border-glass)}.theme-toggle-btn{min-height:44px;min-width:44px;padding:.5rem .85rem;border-radius:var(--radius-md);background:var(--color-bg-surface);border:1px solid var(--color-border-glass);color:var(--color-text-primary);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.mobile-nav-controls{display:none;align-items:center;gap:var(--spacing-sm)}.mobile-menu-btn{min-height:44px;min-width:44px;padding:.5rem;background:var(--color-bg-surface);border:1px solid var(--color-border-glass);border-radius:var(--radius-md);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}.hamburger-bar{width:22px;height:2px;background-color:var(--color-text-primary);border-radius:2px;transition:transform var(--transition-fast),opacity var(--transition-fast)}.mobile-drawer{display:none;background:var(--color-bg-surface);border-bottom:1px solid var(--color-border-glass);padding:var(--spacing-md) var(--spacing-lg)}.mobile-drawer.open{display:block}.mobile-nav-links{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-xs)}.mobile-nav-link{display:flex;align-items:center;min-height:44px;padding:.75rem var(--spacing-md);color:var(--color-text-primary);text-decoration:none;font-weight:600;border-radius:var(--radius-md)}.mobile-nav-link:hover,.mobile-nav-link.active{background-color:var(--color-border-glass);color:var(--color-accent-cyan)}@media (max-width: 768px){.desktop-nav{display:none}.mobile-nav-controls{display:flex}}.hero{padding:var(--spacing-2xl) 0;text-align:center}.hero-title{font-size:var(--font-size-4xl);font-weight:900;line-height:1.25;margin-bottom:var(--spacing-md);background:linear-gradient(135deg,var(--color-text-primary),var(--color-accent-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-tagline{font-size:var(--font-size-lg);color:var(--color-text-secondary);max-width:700px;margin:0 auto var(--spacing-xl)}.card{background:var(--color-bg-surface);border:1px solid var(--color-border-glass);border-radius:var(--radius-lg);padding:var(--spacing-xl);transition:transform var(--transition-normal),border-color var(--transition-normal)}.card:hover{transform:translateY(-4px);border-color:var(--color-accent-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:.75rem 1.5rem;min-height:44px;border-radius:var(--radius-md);font-weight:600;font-size:var(--font-size-sm);text-decoration:none;cursor:pointer;border:none;transition:background-color var(--transition-fast)}.btn-primary{background-color:var(--color-accent-primary);color:#fff}.btn-primary:hover{background-color:var(--color-accent-hover)}.badge{display:inline-block;padding:var(--spacing-xs) var(--spacing-md);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600;background:#6366f126;color:var(--color-accent-cyan);border:1px solid rgba(6,182,212,.3)}.footer{background:var(--color-bg-surface);border-top:1px solid var(--color-border-glass);padding:var(--spacing-2xl) 0 var(--spacing-lg);margin-top:auto}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:var(--spacing-2xl);margin-bottom:var(--spacing-2xl)}@media (max-width: 900px){.footer-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-xl)}}@media (max-width: 540px){.footer-grid{grid-template-columns:1fr;gap:var(--spacing-lg)}}.footer-brand-col{display:flex;flex-direction:column;align-items:flex-start}.footer-tagline{font-size:var(--font-size-sm);line-height:1.5;color:var(--color-text-secondary);margin-bottom:var(--spacing-md);max-width:280px}.footer-brand-pill{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem .75rem;border-radius:var(--radius-full);background:#6366f114;border:1px solid rgba(99,102,241,.2);font-size:var(--font-size-xs);font-weight:500;color:var(--color-accent-primary)}.footer-pill-dot{width:6px;height:6px;border-radius:50%;background-color:#10b981;box-shadow:0 0 8px #10b98199}.footer-col{display:flex;flex-direction:column}.footer-col-title{font-size:var(--font-size-xs);font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-primary);margin-bottom:var(--spacing-md)}.footer-links-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}.footer-link{color:var(--color-text-muted);text-decoration:none;display:inline-flex;align-items:center;gap:.35rem;font-size:var(--font-size-sm);font-weight:450;transition:color var(--transition-fast),transform var(--transition-fast);padding:3px 0;min-height:auto}.footer-link:hover{color:var(--color-accent-primary);transform:translate(3px)}.footer-external-link{align-items:center}.external-icon{opacity:.6;transition:opacity var(--transition-fast),transform var(--transition-fast)}.footer-external-link:hover .external-icon{opacity:1;transform:translate(1px,-1px)}.footer-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--color-border-glass);padding-top:var(--spacing-lg);flex-wrap:wrap;gap:var(--spacing-md)}.footer-copyright,.footer-bottom-badge{font-size:var(--font-size-xs);color:var(--color-text-muted)}.article-body{line-height:1.7;color:var(--color-text-primary)}.article-body p{margin-bottom:var(--spacing-lg);font-size:var(--font-size-lg)}.article-body h1,.article-body h2,.article-body h3,.article-body h4{color:var(--color-text-primary);margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md);font-weight:800}.article-body ul,.article-body ol{margin-left:var(--spacing-xl);margin-bottom:var(--spacing-lg)}.article-body li{margin-bottom:var(--spacing-xs)}.article-body blockquote{border-left:4px solid var(--color-accent-primary);padding-left:var(--spacing-md);margin:var(--spacing-lg) 0;color:var(--color-text-secondary);font-style:italic}.code-block{background-color:var(--color-bg-code);color:var(--color-text-code);border:1px solid var(--color-border-code);border-radius:var(--radius-md);padding:var(--spacing-md);overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:var(--font-size-sm);margin:var(--spacing-lg) 0}.code-block code{color:var(--color-text-code);background:transparent;padding:0}.article-body code:not(pre code){background-color:var(--color-bg-inline-code);color:var(--color-accent-cyan);padding:.2rem .4rem;border-radius:var(--radius-sm);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:var(--font-size-sm)}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;font-size:var(--font-size-sm);font-weight:600;margin-bottom:var(--spacing-xs);color:var(--color-text-secondary)}.form-input,.form-textarea{width:100%;padding:var(--spacing-md);background:var(--color-bg-primary);border:1px solid var(--color-border-glass);border-radius:var(--radius-md);color:var(--color-text-primary);font-family:inherit;font-size:var(--font-size-base)}.form-input:focus,.form-textarea:focus{outline:2px solid var(--color-accent-primary);border-color:transparent}.alert-success{background:#22c55e26;border:1px solid rgba(34,197,94,.4);color:#4ade80;padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-lg)}.alert-error{background:#ef444426;border:1px solid rgba(239,68,68,.4);color:#f87171;padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-lg)}