@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap";
:root{--bg-primary:#070b14;--bg-secondary:#0a0f1c;--bg-tertiary:#101827;--bg-card:#10182799;--bg-glass:#10182766;--text-primary:#f0f4f8;--text-secondary:#94a3b8;--text-muted:#64748b;--text-accent:#06d6a0;--accent-cyan:#06d6a0;--accent-blue:#4361ee;--accent-gold:#f5a623;--accent-violet:#7c3aed;--accent-rose:#f43f5e;--cat-grammar:#06d6a0;--cat-dictionary:#f5a623;--cat-ai:#7c3aed;--glow-cyan:#06d6a04d;--glow-blue:#4361ee4d;--glow-gold:#f5a6234d;--glow-violet:#7c3aed4d;--border-subtle:#94a3b81a;--border-active:#06d6a04d;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-glow:0 0 20px #06d6a026;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.5s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}a{color:var(--accent-cyan);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--text-primary)}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;font-weight:700;line-height:1.2}h1{font-size:clamp(2.5rem,5vw,4rem)}h2{font-size:clamp(1.8rem,3.5vw,2.5rem)}h3{font-size:clamp(1.3rem,2.5vw,1.75rem)}h4{font-size:1.25rem}.container{max-width:1200px;margin:0 auto;padding:0 24px}.section{padding:80px 0}.btn{border-radius:var(--radius-md);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-normal);white-space:nowrap;border:none;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--accent-cyan);color:var(--bg-primary)}.btn-primary:hover{box-shadow:0 0 20px var(--glow-cyan);background:#05c797;transform:translateY(-1px)}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-subtle);background:0 0}.btn-secondary:hover{border-color:var(--accent-cyan);background:#06d6a00d}.btn-ghost{color:var(--text-secondary);background:0 0;padding:8px 16px}.btn-ghost:hover{color:var(--text-primary);background:#ffffff0d}.btn-sm{padding:8px 16px;font-size:.85rem}.card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all var(--transition-normal);padding:28px}.card:hover{border-color:var(--border-active);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.code-block{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);font-family:var(--font-mono);color:var(--text-secondary);padding:16px 20px;font-size:.875rem;position:relative;overflow-x:auto}.code-block code{color:var(--accent-cyan);font-family:inherit}.copy-btn{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-muted);font-size:.75rem;font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);background:#ffffff0d;padding:6px 12px;position:absolute;top:8px;right:8px}.copy-btn:hover{border-color:var(--accent-cyan);color:var(--accent-cyan);background:#06d6a01a}.copy-btn.copied{color:var(--accent-cyan);border-color:var(--accent-cyan)}.nav{z-index:9999;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);background:#070b14d9;justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex;position:fixed;top:0;left:0;right:0}.nav-brand{letter-spacing:.05em;color:var(--text-primary);align-items:center;gap:10px;font-size:1.25rem;font-weight:800;display:flex}.nav-brand-dot{background:var(--accent-cyan);width:8px;height:8px;box-shadow:0 0 8px var(--glow-cyan);border-radius:50%;animation:2s ease-in-out infinite pulse-dot}@keyframes pulse-dot{0%,to{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.3)}}.nav-links{align-items:center;gap:4px;list-style:none;display:flex}.nav-link{color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);padding:8px 16px;font-size:.9rem;font-weight:500}.nav-link:hover,.nav-link.active{color:var(--text-primary);background:#ffffff0d}.nav-hamburger{color:var(--text-primary);cursor:pointer;background:0 0;border:none;padding:8px;font-size:1.5rem;display:none}.badge{border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em;align-items:center;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-grammar{color:var(--cat-grammar);background:#06d6a026;border:1px solid #06d6a04d}.badge-dictionary{color:var(--cat-dictionary);background:#f5a62326;border:1px solid #f5a6234d}.badge-ai{color:var(--cat-ai);background:#7c3aed26;border:1px solid #7c3aed4d}.side-panel{background:var(--bg-secondary);border-left:1px solid var(--border-subtle);width:400px;max-width:90vw;transition:transform var(--transition-slow);z-index:90;padding:24px;position:fixed;top:64px;bottom:0;right:0;overflow-y:auto;transform:translate(100%)}.side-panel.open{transform:translate(0)}.side-panel-close{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;padding:4px 8px;font-size:1.25rem;position:absolute;top:16px;right:16px}.side-panel-close:hover{color:var(--text-primary);background:#ffffff0d}.search-bar{width:100%;max-width:500px;position:relative}.search-input{background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-full);width:100%;color:var(--text-primary);font-family:var(--font-sans);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all var(--transition-normal);outline:none;padding:14px 20px 14px 48px;font-size:.95rem}.search-input::placeholder{color:var(--text-muted)}.search-input:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 3px #06d6a01a}.search-icon{color:var(--text-muted);pointer-events:none;font-size:1rem;position:absolute;top:50%;left:18px;transform:translateY(-50%)}.search-results{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);z-index:80;max-height:400px;box-shadow:var(--shadow-lg);position:absolute;top:calc(100% + 8px);left:0;right:0;overflow-y:auto}.search-result-item{cursor:pointer;border-bottom:1px solid var(--border-subtle);transition:background var(--transition-fast);align-items:center;gap:12px;padding:12px 16px;display:flex}.search-result-item:hover{background:#06d6a00d}.search-result-item:last-child{border-bottom:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes glow{0%,to{box-shadow:0 0 5px var(--glow-cyan)}50%{box-shadow:0 0 20px var(--glow-cyan)}}.animate-in{animation:.6s forwards fadeIn}.animate-slide-up{animation:.8s forwards slideUp}.tabs{border-bottom:1px solid var(--border-subtle);gap:2px;margin-bottom:24px;display:flex}.tab{color:var(--text-muted);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 20px;font-size:.9rem;font-weight:500}.tab:hover{color:var(--text-secondary)}.tab.active{color:var(--accent-cyan);border-bottom-color:var(--accent-cyan)}.grid-2{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.doc-layout{gap:40px;display:flex}.doc-sidebar{flex-direction:column;align-self:flex-start;gap:2px;min-width:180px;display:flex;position:sticky;top:80px}.doc-content{flex:1;max-width:760px}.page-header{text-align:center;padding-top:120px;padding-bottom:60px}.page-header h1{margin-bottom:16px}.page-header p{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.15rem}.footer{border-top:1px solid var(--border-subtle);text-align:center;color:var(--text-muted);padding:40px 0;font-size:.85rem}@media (max-width:1024px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.nav-links{background:var(--bg-secondary);border-bottom:1px solid var(--border-subtle);flex-direction:column;padding:16px;position:absolute;top:64px;left:0;right:0;box-shadow:0 10px 30px #00000080;display:none!important}.nav-links.open{display:flex!important}.nav-hamburger{display:block!important}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.side-panel{width:100%;max-width:100%}.doc-layout{flex-direction:column;gap:24px}.doc-sidebar{flex-flow:wrap;gap:8px;min-width:auto;margin-bottom:16px;position:static}.doc-sidebar .nav-link{border-radius:var(--radius-full);background:#ffffff0d}h1{font-size:2rem}h2{font-size:1.5rem}.section{padding:48px 0}.page-header{padding-top:96px;padding-bottom:40px}.brain-search-wrapper{width:95%!important;top:70px!important}.brain-toggle-wrapper{top:130px!important;left:12px!important;transform:none!important}.force-graph-toolbar{top:130px!important;right:12px!important}.brain-legend-wrapper{justify-content:center;bottom:60px!important;left:12px!important;right:12px!important}.brain-status-wrapper{justify-content:center;font-size:.75rem!important;bottom:12px!important;left:12px!important;right:12px!important}.coming-soon-text{display:none!important}}@media (max-width:480px){.container{padding:0 16px}.card{padding:20px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}