:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a24;--bg-elevated: #1e1e2a;--border: #2a2a3a;--border-light: #3a3a4a;--text-primary: #e4e4e7;--text-secondary: #a1a1aa;--text-muted: #71717a;--accent-cyan: #00d4ff;--accent-green: #00ff88;--accent-purple: #8b5cf6;--accent-yellow: #fbbf24;--accent-red: #ef4444;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Consolas", monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--sidebar-width: 280px;--header-height: 64px;--content-max-width: 900px;--transition-fast: .15s ease;--transition-normal: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-size:1rem;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);min-height:100vh}.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:#0a0a0ff2;backdrop-filter:blur(12px);border-bottom:1px solid var(--border);z-index:100}.header-container{max-width:1400px;margin:0 auto;padding:0 var(--space-lg);height:100%;display:flex;align-items:center;justify-content:space-between}.site-logo{display:flex;align-items:center;gap:var(--space-sm);text-decoration:none;color:var(--text-primary)}.logo-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));border-radius:8px;font-family:var(--font-mono);font-weight:700;font-size:1.25rem;color:var(--bg-primary)}.logo-text{font-weight:600;font-size:1.25rem;letter-spacing:-.025em}.nav-menu{display:flex;align-items:center;gap:var(--space-xs)}.nav-item{position:relative}.nav-item>a{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);color:var(--text-secondary);text-decoration:none;font-size:.9375rem;font-weight:500;border-radius:6px;transition:all var(--transition-fast)}.nav-item>a:hover,.nav-item>a.active{color:var(--text-primary);background:var(--bg-tertiary)}.dropdown-icon{transition:transform var(--transition-fast)}.nav-item.has-children:hover .dropdown-icon{transform:rotate(180deg)}.nav-dropdown{position:absolute;top:100%;left:0;min-width:220px;padding:var(--space-sm);background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all var(--transition-fast);box-shadow:0 10px 40px #0006}.nav-item.has-children:hover .nav-dropdown,.nav-dropdown.active{opacity:1;visibility:visible;transform:translateY(4px)}.nav-dropdown a{display:block;padding:var(--space-sm) var(--space-md);color:var(--text-secondary);text-decoration:none;font-size:.875rem;border-radius:4px;transition:all var(--transition-fast)}.nav-dropdown a:hover,.nav-dropdown a.active{color:var(--text-primary);background:var(--bg-tertiary)}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:none;border:none;cursor:pointer;padding:8px}.nav-toggle span{display:block;width:24px;height:2px;background:var(--text-primary);transition:all var(--transition-fast)}.layout{display:flex;min-height:calc(100vh - var(--header-height));padding-top:var(--header-height)}.main-content{flex:1;padding:var(--space-2xl);max-width:100%}.main-content.with-sidebar{margin-left:var(--sidebar-width)}.sidebar{position:fixed;top:var(--header-height);left:0;width:var(--sidebar-width);height:calc(100vh - var(--header-height));background:var(--bg-secondary);border-right:1px solid var(--border);padding:var(--space-lg);overflow-y:auto}.sidebar-section{margin-bottom:var(--space-xl)}.sidebar-title{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:var(--space-md)}.sidebar-nav{display:flex;flex-direction:column;gap:var(--space-xs)}.sidebar-nav a{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);color:var(--text-secondary);text-decoration:none;font-size:.9375rem;border-radius:6px;transition:all var(--transition-fast)}.sidebar-nav a:hover{color:var(--text-primary);background:var(--bg-tertiary)}.sidebar-nav a.active{color:var(--accent-cyan);background:#00d4ff1a}.rfc-badge{display:inline-flex;align-items:center;justify-content:center;min-width:32px;padding:2px 6px;font-size:.75rem;font-family:var(--font-mono);font-weight:500;color:var(--accent-cyan);background:#00d4ff26;border-radius:4px}.page{max-width:var(--content-max-width);margin:0 auto}.page-header{margin-bottom:var(--space-2xl);padding-bottom:var(--space-xl);border-bottom:1px solid var(--border)}.page-title{font-size:2.5rem;font-weight:700;line-height:1.2;letter-spacing:-.025em;margin-bottom:var(--space-sm)}.page-description{font-size:1.125rem;color:var(--text-secondary)}.hero{position:relative;padding:var(--space-3xl) 0;margin-bottom:var(--space-2xl);overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 30% 20%,rgba(0,212,255,.08) 0%,transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(139,92,246,.08) 0%,transparent 50%);pointer-events:none}.hero-content{position:relative;text-align:center;max-width:800px;margin:0 auto}.hero-ascii{font-family:var(--font-mono);font-size:.65rem;line-height:1.2;color:var(--accent-cyan);margin-bottom:var(--space-xl);white-space:pre;overflow-x:auto}.hero-title{font-size:3rem;font-weight:700;line-height:1.1;letter-spacing:-.03em;margin-bottom:var(--space-md)}.hero-title .gradient-text{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);margin-bottom:var(--space-xl)}.hero-badges{display:flex;justify-content:center;gap:var(--space-sm);flex-wrap:wrap}.badge{display:inline-flex;align-items:center;padding:var(--space-xs) var(--space-md);font-size:.875rem;font-weight:500;color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--border);border-radius:9999px}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg);margin:var(--space-2xl) 0}.feature-card{position:relative;padding:var(--space-lg);background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;transition:all var(--transition-normal)}.feature-card:before{content:"";position:absolute;inset:0;border-radius:12px;padding:1px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity var(--transition-normal)}.feature-card:hover{transform:translateY(-2px);border-color:var(--border-light)}.feature-card:hover:before{opacity:1}.feature-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#00d4ff1a;border-radius:8px;margin-bottom:var(--space-md);color:var(--accent-cyan);font-size:1.25rem}.feature-title{font-size:1.125rem;font-weight:600;margin-bottom:var(--space-sm)}.feature-description{font-size:.9375rem;color:var(--text-secondary)}.page-content h1{font-size:2rem;font-weight:700;margin:var(--space-2xl) 0 var(--space-lg);letter-spacing:-.025em}.page-content h2{font-size:1.5rem;font-weight:600;margin:var(--space-2xl) 0 var(--space-md);padding-bottom:var(--space-sm);border-bottom:1px solid var(--border);letter-spacing:-.02em}.page-content h3{font-size:1.25rem;font-weight:600;margin:var(--space-xl) 0 var(--space-md)}.page-content h4{font-size:1.125rem;font-weight:600;margin:var(--space-lg) 0 var(--space-sm)}.page-content p{margin-bottom:var(--space-md)}.page-content a{color:var(--accent-cyan);text-decoration:none;transition:color var(--transition-fast)}.page-content a:hover{color:#4de4ff;text-decoration:underline}.page-content strong{font-weight:600;color:var(--text-primary)}.page-content em{font-style:italic}.page-content ul,.page-content ol{margin:var(--space-md) 0 var(--space-lg);padding-left:var(--space-lg)}.page-content li{margin-bottom:var(--space-sm)}.page-content li::marker{color:var(--accent-cyan)}.page-content table{width:100%;margin:var(--space-lg) 0;border-collapse:collapse;font-size:.9375rem}.page-content th,.page-content td{padding:var(--space-sm) var(--space-md);text-align:left;border:1px solid var(--border)}.page-content th{background:var(--bg-tertiary);font-weight:600;color:var(--text-primary)}.page-content td{background:var(--bg-secondary)}.page-content tr:hover td{background:var(--bg-tertiary)}.table-wrapper{overflow-x:auto;margin:var(--space-lg) 0}.page-content code{font-family:var(--font-mono);font-size:.875em}.page-content :not(pre)>code{padding:2px 6px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:4px;color:var(--accent-cyan)}.page-content pre{margin:var(--space-lg) 0;padding:var(--space-lg);background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;overflow-x:auto}.page-content pre code{display:block;padding:0;background:none;border:none;color:var(--text-primary);font-size:.875rem;line-height:1.7}.page-content pre code:not([class*=language-]){color:var(--accent-cyan)}.page-content blockquote{margin:var(--space-lg) 0;padding:var(--space-md) var(--space-lg);background:var(--bg-secondary);border-left:3px solid var(--accent-purple);border-radius:0 8px 8px 0}.page-content blockquote p:last-child{margin-bottom:0}.page-content hr{margin:var(--space-2xl) 0;border:none;border-top:1px solid var(--border)}.status-block{font-family:var(--font-mono);font-size:.875rem;padding:var(--space-lg);background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;margin:var(--space-lg) 0}.status-line{display:flex;justify-content:space-between;padding:var(--space-xs) 0}.status-label{color:var(--text-secondary)}.status-value{color:var(--accent-green)}.status-value.warning{color:var(--accent-yellow)}.status-value.error{color:var(--accent-red)}.metadata-table{margin:var(--space-lg) 0}.metadata-table table{width:auto;min-width:400px}.mermaid{margin:var(--space-lg) 0;padding:var(--space-lg);background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;text-align:center}.site-footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:var(--space-2xl) 0;margin-top:var(--space-3xl)}.footer-container{max-width:1400px;margin:0 auto;padding:0 var(--space-lg)}.footer-content{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-xl);padding-bottom:var(--space-xl);border-bottom:1px solid var(--border)}.footer-brand{display:flex;align-items:center;gap:var(--space-md)}.footer-brand .logo-icon{width:32px;height:32px;font-size:1rem}.footer-tagline{font-size:.875rem;color:var(--text-secondary)}.footer-links{display:flex;gap:var(--space-lg)}.footer-links a{color:var(--text-secondary);text-decoration:none;font-size:.875rem;transition:color var(--transition-fast)}.footer-links a:hover{color:var(--accent-cyan)}.footer-bottom{display:flex;justify-content:space-between;align-items:center;font-size:.8125rem;color:var(--text-muted)}.footer-license a{color:var(--accent-cyan);text-decoration:none}.footer-license a:hover{text-decoration:underline}@media (max-width: 1024px){.main-content.with-sidebar{margin-left:0}.sidebar{display:none}}@media (max-width: 768px){:root{--header-height: 56px}.nav-toggle{display:flex}.nav-menu{position:fixed;top:var(--header-height);left:0;right:0;bottom:0;flex-direction:column;align-items:stretch;padding:var(--space-lg);background:var(--bg-primary);border-top:1px solid var(--border);transform:translate(-100%);transition:transform var(--transition-normal)}.nav-menu.active{transform:translate(0)}.nav-item>a{padding:var(--space-md)}.nav-dropdown{position:static;opacity:1;visibility:visible;transform:none;margin-top:var(--space-sm);padding-left:var(--space-lg);background:transparent;border:none;box-shadow:none}.hero-ascii{font-size:.5rem}.hero-title{font-size:2rem}.page-title{font-size:1.75rem}.page-content h1{font-size:1.5rem}.page-content h2{font-size:1.25rem}.page-content pre{padding:var(--space-md);font-size:.8125rem}.footer-content{flex-direction:column;gap:var(--space-lg);text-align:center}.footer-bottom{flex-direction:column;gap:var(--space-sm);text-align:center}}@media print{.site-header,.sidebar,.site-footer,.nav-toggle{display:none!important}.main-content{margin:0!important;padding:0!important}body{background:#fff;color:#000}.page-content a{color:inherit;text-decoration:underline}}