:root{--bg-dark:#0a0a0f;--bg-gradient:linear-gradient(135deg, #0a0a0f 0%, #151522 100%);--sidebar-bg:#14141e99;--glass-bg:#1e1e2d66;--glass-border:#ffffff0d;--glass-highlight:#ffffff1a;--text-primary:#f0f0f5;--text-secondary:#a0a0b5;--accent:#6d6dff;--accent-glow:#6d6dff66;--success:#4f6;--error:#f44;--warning:#fc4}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-dark);background-image:var(--bg-gradient);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}.app-container{min-height:100vh;display:flex}.sidebar{background:var(--sidebar-bg);-webkit-backdrop-filter:blur(12px);border-right:1px solid var(--glass-border);z-index:10;flex-direction:column;width:280px;height:100vh;display:flex;position:fixed}.sidebar-header{border-bottom:1px solid var(--glass-border);padding:32px 24px}.sidebar-header h1{letter-spacing:.1em;background:linear-gradient(90deg, #fff, var(--text-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:4px;font-size:1.25rem;font-weight:700}.sidebar-header p{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.8rem}.sidebar-nav{flex-direction:column;flex:1;gap:8px;padding:24px 16px;display:flex}.nav-item{color:var(--text-secondary);text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;padding:12px 16px;font-family:inherit;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:block;position:relative}.nav-item:hover{background:var(--glass-highlight);color:var(--text-primary);transform:translate(4px)}.nav-item.active{background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-primary);box-shadow:0 4px 12px #0003}.nav-item.active:before{content:"";background:var(--accent);width:4px;height:20px;box-shadow:0 0 10px var(--accent-glow);border-radius:0 4px 4px 0;position:absolute;top:50%;left:-16px;transform:translateY(-50%)}.nav-item{position:relative}.sidebar-footer{color:var(--text-secondary);border-top:1px solid var(--glass-border);justify-content:space-between;align-items:center;padding:24px;font-size:.8rem;display:flex}.badge{color:var(--success);background:#44ff661a;border:1px solid #4f63;border-radius:12px;padding:4px 8px;font-size:.7rem;font-weight:600}.main-content{flex:1;max-width:1000px;margin-left:280px;padding:48px}.content-header{margin-bottom:40px}.content-header h2{letter-spacing:-.02em;background:linear-gradient(135deg,#fff 0%,#a0a0b5 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:2.5rem;font-weight:800}.content-body p{color:var(--text-secondary);margin-bottom:24px;font-size:1.05rem;line-height:1.7}.content-body h3{color:#fff;border-bottom:1px solid var(--glass-border);margin:48px 0 20px;padding-bottom:12px;font-size:1.6rem;font-weight:700}.content-body h4{color:var(--text-primary);margin:32px 0 16px;font-size:1.25rem;font-weight:600}.markdown-body table{border-collapse:collapse;border-radius:12px;width:100%;margin:32px 0;font-size:.95rem;overflow:hidden;box-shadow:0 4px 20px #0003}.markdown-body table th{background:var(--glass-bg);color:#fff;text-align:left;border-bottom:1px solid #ffffff1a;padding:16px 24px;font-weight:600}.markdown-body table td{color:var(--text-secondary);border-bottom:1px solid var(--glass-border);background:#14141e4d;padding:16px 24px}.markdown-body table tr:last-child td{border-bottom:none}.markdown-body table tr:hover td{background:#ffffff08}.content-body ul{margin-bottom:32px;padding-left:16px;list-style-type:none}.content-body li{color:var(--text-secondary);margin-bottom:12px;padding-left:20px;line-height:1.6;position:relative}.content-body li:before{content:"•";color:var(--accent);font-size:1.2rem;line-height:1.4;position:absolute;left:0}.content-body li strong{color:var(--text-primary)}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(8px);border:1px solid var(--glass-border);border-radius:16px;margin:32px 0;padding:24px;transition:transform .3s,box-shadow .3s;box-shadow:0 8px 32px #0003}.glass-panel:hover{border-color:#ffffff1a;transform:translateY(-2px);box-shadow:0 12px 40px #0000004d}.code-block{color:#e2e2e2;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.9rem;overflow-x:auto}.diagram-wrapper{background:#0f172a;justify-content:center;align-items:center;min-height:200px;padding:40px;display:flex;position:relative}.mermaid-wrapper{width:100%;display:block;position:relative}.overlay-hint{text-align:center;color:var(--text-secondary);pointer-events:none;margin-top:12px;font-size:.8rem;font-style:italic}.diagram-wrapper .mermaid-container{text-align:center;clear:both;width:100%;transition:opacity .2s;display:block;overflow-x:auto}.diagram-wrapper .mermaid-container:hover{opacity:.8}.mermaid-overlay{z-index:100000;-webkit-backdrop-filter:blur(12px);background:#0a0a0ff2;justify-content:center;align-items:center;width:100vw;height:100vh;padding:40px;display:flex;position:fixed;top:0;left:0}.mermaid-overlay-content{background:var(--bg-dark);border:1px solid var(--glass-border);border-radius:16px;flex-direction:column;width:95vw;height:90vh;display:flex;overflow:hidden;box-shadow:0 12px 48px #00000080}.close-overlay-btn{color:#f44;cursor:pointer;background:#ff44441a;border:1px solid #ff44444d;border-radius:8px;align-self:flex-end;margin:20px;padding:12px 24px;font-size:1rem;font-weight:600;transition:all .2s}.close-overlay-btn:hover{background:#f443}.mermaid-large-container{flex:1;padding:20px;display:block;overflow:auto}.mermaid-large-container svg{margin:0 auto;display:block}.fade-in{animation:.5s ease-out forwards fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}