.navbar{height:var(--navbar-height);-webkit-backdrop-filter:blur(16px)saturate(180%);border-bottom:1px solid var(--border-light);z-index:100;background:#0a0a0fd9;align-items:center;padding:0 24px;display:flex;position:fixed;top:0;left:0;right:0}.navbar-inner{justify-content:space-between;align-items:center;width:100%;max-width:1400px;margin:0 auto;display:flex}.navbar-brand{color:var(--text-bright);cursor:pointer;align-items:center;gap:12px;font-size:20px;font-weight:700;display:flex}.navbar-brand .logo-emoji{font-size:28px;line-height:1}.navbar-brand .brand-dot{color:var(--accent)}.navbar-links{align-items:center;gap:8px;display:flex}.navbar-link{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:6px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s}.navbar-link:hover{color:var(--text-primary);background:var(--bg-tertiary)}.navbar-link.active{color:var(--accent-light);background:var(--accent-glow)}.navbar-actions{align-items:center;gap:12px;display:flex}.github-link{color:var(--text-secondary);background:var(--bg-tertiary);border:1px solid var(--border);cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.github-link:hover{color:var(--text-bright);border-color:var(--text-muted);background:var(--bg-card)}.menu-toggle{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px;display:none}.menu-toggle:hover{background:var(--bg-tertiary);color:var(--text-primary)}@media (width<=768px){.navbar-links,.github-link span{display:none}.menu-toggle{display:flex}}.sidebar-overlay{z-index:89;background:#0009;display:none;position:fixed;inset:0}.sidebar-overlay.visible{display:block}.sidebar{top:var(--navbar-height);width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-light);z-index:90;padding:20px 0;transition:transform .3s;position:fixed;bottom:0;left:0;overflow-y:auto}.sidebar-section{margin-bottom:8px}.sidebar-section-title{text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);padding:8px 24px;font-size:11px;font-weight:700}.sidebar-item{color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:8px 24px;font-size:14px;text-decoration:none;transition:all .15s;display:flex;position:relative}.sidebar-item:before{content:"";background:0 0;border-radius:0 3px 3px 0;width:3px;transition:background .2s;position:absolute;top:4px;bottom:4px;left:0}.sidebar-item:hover{color:var(--text-primary);background:var(--bg-tertiary)}.sidebar-item.active{color:var(--accent-light);background:var(--accent-glow)}.sidebar-item.active:before{background:var(--accent)}.sidebar-item .item-number{color:var(--text-muted);min-width:20px;font-family:JetBrains Mono,monospace;font-size:12px;font-weight:600}.sidebar-item.active .item-number{color:var(--accent)}@media (width<=768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay.open{display:block}}.hero{text-align:center;background:radial-gradient(ellipse at 50% 0%, var(--accent-glow) 0%, transparent 60%), var(--bg-primary);padding:120px 40px 80px;position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background:radial-gradient(circle,#e85d3a14 0%,#0000 70%);width:800px;height:800px;position:absolute;top:-200px;left:50%;transform:translate(-50%)}.hero-badge{background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-secondary);border-radius:100px;align-items:center;gap:8px;margin-bottom:28px;padding:6px 16px;font-size:13px;display:inline-flex}.hero-badge .badge-dot{background:var(--green);border-radius:50%;width:8px;height:8px;animation:2s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.hero h1{color:var(--text-bright);letter-spacing:-1px;margin-bottom:20px;font-size:clamp(36px,6vw,64px);font-weight:800;line-height:1.1}.hero h1 .highlight{background:linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 50%, var(--yellow) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero-subtitle{color:var(--text-secondary);max-width:560px;margin:0 auto 40px;font-size:clamp(16px,2vw,20px);line-height:1.6}.hero-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:16px;display:flex}.btn{cursor:pointer;border:none;border-radius:10px;align-items:center;gap:8px;padding:12px 28px;font-family:Inter,sans-serif;font-size:15px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent);color:var(--text-bright);box-shadow:0 4px 16px #e85d3a4d}.btn-primary:hover{background:var(--accent-light);transform:translateY(-1px);box-shadow:0 6px 24px #e85d3a66}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--text-muted);background:var(--bg-card);transform:translateY(-1px)}.hero-stats{border-top:1px solid var(--border-light);justify-content:center;align-items:center;gap:48px;margin-top:60px;padding-top:40px;display:flex}.hero-stat{text-align:center}.hero-stat-value{color:var(--text-bright);font-family:JetBrains Mono,monospace;font-size:28px;font-weight:800}.hero-stat-label{color:var(--text-muted);margin-top:4px;font-size:13px}@media (width<=640px){.hero{padding:100px 20px 60px}.hero-stats{flex-wrap:wrap;gap:24px}.hero-actions{flex-direction:column}.btn{justify-content:center;width:100%}}.footer{border-top:1px solid var(--border-light);background:var(--bg-secondary);text-align:center;padding:48px 40px}.footer-content{max-width:var(--content-max-width);margin:0 auto}.footer-brand{color:var(--text-bright);justify-content:center;align-items:center;gap:10px;margin-bottom:12px;font-size:18px;font-weight:700;display:flex}.footer-brand .logo-emoji{font-size:24px}.footer-text{color:var(--text-muted);margin-bottom:20px;font-size:14px}.footer-links{flex-wrap:wrap;justify-content:center;align-items:center;gap:24px;display:flex}.footer-link{color:var(--text-secondary);align-items:center;gap:6px;font-size:14px;text-decoration:none;transition:color .2s;display:flex}.footer-link:hover{color:var(--accent-light)}.footer-link svg{width:16px;height:16px}.footer-bottom{border-top:1px solid var(--border-light);color:var(--text-muted);margin-top:32px;padding-top:20px;font-size:12px}.section{border-bottom:1px solid var(--border-light);padding:60px 0 40px}.section:last-child{border-bottom:none}.section-header{margin-bottom:32px}.section-number{background:var(--accent-glow);border:1px solid var(--accent-border);width:32px;height:32px;color:var(--accent);border-radius:8px;justify-content:center;align-items:center;margin-bottom:12px;font-family:JetBrains Mono,monospace;font-size:14px;font-weight:700;display:inline-flex}.section h2{color:var(--text-bright);letter-spacing:-.3px;font-size:28px;font-weight:700;line-height:1.3}.section h3{color:var(--text-bright);margin-top:32px;margin-bottom:12px;font-size:20px;font-weight:600;line-height:1.4}.section h4{color:var(--text-primary);margin-top:24px;margin-bottom:8px;font-size:16px;font-weight:600}.section p{color:var(--text-secondary);margin-bottom:16px;line-height:1.8}.section ul,.section ol{color:var(--text-secondary);margin:12px 0 20px;padding-left:24px}.section li{margin-bottom:8px;line-height:1.7}.section li::marker{color:var(--accent)}.info-box{border:1px solid;border-radius:10px;margin:16px 0;padding:16px 20px;font-size:14px;line-height:1.7}.info-box.tip{color:var(--green);background:#4ade800f;border-color:#4ade8033}.info-box.warning{color:var(--yellow);background:#facc150f;border-color:#facc1533}.info-box.info{color:var(--blue);background:#60a5fa0f;border-color:#60a5fa33}.info-box-title{align-items:center;gap:6px;margin-bottom:4px;font-weight:600;display:flex}.section table{border-collapse:collapse;width:100%;margin:16px 0;font-size:14px}.section th{text-align:left;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);padding:10px 16px;font-weight:600}.section td{border:1px solid var(--border);color:var(--text-secondary);padding:10px 16px}.section tr:hover td{background:var(--bg-tertiary)}.file-tree{background:var(--bg-code);border:1px solid var(--border);color:var(--text-secondary);border-radius:10px;margin:16px 0;padding:16px 20px;font-family:JetBrains Mono,monospace;font-size:13px;line-height:1.8}.file-tree .dir{color:var(--blue)}.file-tree .file{color:var(--text-primary)}.file-tree .comment-inline{color:var(--text-muted)}.code-block{border:1px solid var(--border);background:var(--bg-code);border-radius:12px;margin:16px 0;position:relative;overflow:hidden}.code-block-header{background:var(--bg-tertiary);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:10px 16px;font-size:12px;display:flex}.code-block-lang{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:6px;font-family:JetBrains Mono,monospace;font-weight:600;display:flex}.code-block-lang .dot{background:var(--accent);border-radius:50%;width:6px;height:6px}.code-block-title{color:var(--text-secondary);font-family:JetBrains Mono,monospace}.copy-button{border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-muted);cursor:pointer;border-radius:6px;align-items:center;gap:5px;padding:4px 10px;font-family:Inter,sans-serif;font-size:12px;transition:all .2s;display:flex}.copy-button:hover{color:var(--text-primary);border-color:var(--text-muted);background:var(--bg-card)}.copy-button.copied{color:var(--green);border-color:var(--green)}.code-block pre{tab-size:2;margin:0;padding:16px 20px;font-family:JetBrains Mono,Fira Code,monospace;font-size:13px;line-height:1.7;overflow-x:auto}.code-block code{color:var(--text-primary);font-family:inherit}.code-block .comment{color:var(--text-muted);font-style:italic}.code-block .keyword{color:var(--purple)}.code-block .string{color:var(--green)}.code-block .number{color:var(--yellow)}.code-block .flag{color:var(--accent-light)}.code-block .url{color:var(--blue)}.code-block .prompt{color:var(--accent);-webkit-user-select:none;user-select:none}.code-block .cmd{color:var(--text-bright)}.code-block .output{color:var(--text-muted)}.code-block .success{color:var(--green)}code.inline{background:var(--bg-inline-code);color:var(--accent-light);border:1px solid var(--border);border-radius:5px;padding:2px 7px;font-family:JetBrains Mono,monospace;font-size:.88em}.app{flex-direction:column;min-height:100vh;display:flex}.main-content{margin-top:var(--navbar-height);margin-left:var(--sidebar-width);flex:1;justify-content:center;display:flex}.content-wrapper{width:100%;max-width:var(--content-max-width);padding:0 40px}.chapters{padding:20px 0 40px}.scroll-top{background:var(--bg-card);border:1px solid var(--border);width:44px;height:44px;color:var(--text-secondary);cursor:pointer;z-index:50;border-radius:12px;justify-content:center;align-items:center;transition:all .2s;display:flex;position:fixed;bottom:32px;right:32px;box-shadow:0 4px 16px #0000004d}.scroll-top:hover{color:var(--text-bright);border-color:var(--accent);background:var(--bg-tertiary);transform:translateY(-2px)}@media (width<=768px){.main-content{margin-left:0}.content-wrapper{padding:0 20px}.scroll-top{bottom:20px;right:20px}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-tertiary:#1a1a26;--bg-card:#16161f;--bg-code:#0d0d14;--bg-inline-code:#1e1e2e;--accent:#e85d3a;--accent-light:#f07355;--accent-glow:#e85d3a26;--accent-border:#e85d3a4d;--text-primary:#e8e8ed;--text-secondary:#9898a8;--text-muted:#6a6a7a;--text-bright:#fff;--border:#2a2a38;--border-light:#1e1e2c;--green:#4ade80;--yellow:#facc15;--blue:#60a5fa;--purple:#a78bfa;--sidebar-width:280px;--navbar-height:64px;--content-max-width:860px;color:var(--text-primary);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:15px;line-height:1.7}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--navbar-height) + 24px)}body{min-height:100vh;overflow-x:hidden}#root{flex-direction:column;min-height:100vh;display:flex}a{color:var(--accent-light);text-decoration:none;transition:color .2s}a:hover{color:var(--accent)}::selection{background:var(--accent);color:var(--text-bright)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.glow{position:relative}.glow:after{content:"";border-radius:inherit;background:linear-gradient(135deg, var(--accent), var(--purple), var(--blue));z-index:-1;opacity:.4;filter:blur(16px);position:absolute;inset:-1px}