:root{--z-background: 1;--z-content: 10;--z-graph: 20;--z-controls: 30;--z-header: 100;--z-sidebar: 200;--z-modal: 1000;--z-tooltip: 1100;--z-notification: 1200;--primary-50: #eff6ff;--primary-500: #3b82f6;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary-900: #1e3a8a;--neutral-50: #f8fafc;--neutral-100: #f1f5f9;--neutral-200: #e2e8f0;--neutral-300: #cbd5e1;--neutral-400: #94a3b8;--neutral-500: #64748b;--neutral-600: #475569;--neutral-700: #334155;--neutral-800: #1e293b;--neutral-900: #0f172a;--glass-bg: rgba(255, 255, 255, .08);--glass-border: rgba(255, 255, 255, .12);--glass-hover: rgba(255, 255, 255, .12);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--space-16: 4rem;--duration-fast: .15s;--duration-normal: .3s;--duration-slow: .5s;--ease-smooth: cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:Inter,system-ui,-apple-system,sans-serif;background:linear-gradient(135deg,var(--neutral-900) 0%,var(--neutral-800) 100%);color:var(--neutral-100);overflow-x:hidden}#root{height:100%;isolation:isolate}.app-container{display:flex;flex-direction:column;height:100vh;width:100vw;position:relative;background:linear-gradient(135deg,var(--neutral-900) 0%,var(--neutral-800) 100%);overflow:hidden}.top-bar{position:fixed;top:0;left:0;right:0;height:80px;background:var(--glass-bg);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-bottom:1px solid var(--glass-border);z-index:var(--z-header);display:flex;align-items:center}.top-bar-content{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1400px;margin:0 auto;padding:0 var(--space-6);gap:var(--space-8);height:100%}.brand{display:flex;align-items:center;gap:var(--space-3);cursor:pointer;flex-shrink:0}.brand-icon{position:relative;width:40px;height:40px}.neural-network-mini{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}.neural-node{position:absolute;width:8px;height:8px;background:var(--primary-500);border-radius:50%;box-shadow:0 0 10px var(--primary-500)}.neural-node:nth-child(1){top:10%;left:50%}.neural-node:nth-child(2){top:50%;left:20%}.neural-node:nth-child(3){top:80%;right:30%}.brand-text h1{font-size:1.5rem;font-weight:700;color:var(--neutral-100)}.brand-text span{color:var(--primary-500)}.brand-subtitle{font-size:.75rem;color:var(--neutral-400);text-transform:uppercase;letter-spacing:.1em}.search-container{flex:1;max-width:600px;position:relative}.search-form{position:relative}.search-input-wrapper{display:flex;align-items:center;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;padding:var(--space-2);transition:all var(--duration-normal) var(--ease-smooth)}.search-input-wrapper:focus-within{border-color:var(--primary-500);box-shadow:0 0 0 3px #3b82f61a}.search-icon{color:var(--neutral-400);margin-left:var(--space-2)}.search-input{flex:1;background:transparent;border:none;outline:none;color:var(--neutral-100);font-size:1rem;padding:var(--space-3)}.search-input::placeholder{color:var(--neutral-500)}.search-loading{color:var(--primary-500);margin-right:var(--space-2)}.search-btn{background:var(--primary-500);border:none;border-radius:8px;padding:var(--space-2);color:#fff;cursor:pointer;transition:all var(--duration-fast) var(--ease-smooth)}.search-btn:hover:not(:disabled){background:var(--primary-600);transform:translateY(-1px)}.search-btn:disabled{opacity:.5;cursor:not-allowed}.nav-actions{display:flex;align-items:center;gap:var(--space-3);flex-shrink:0}.view-toggle{display:flex;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:8px;padding:var(--space-1)}.mode-btn{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);background:transparent;border:none;border-radius:6px;color:var(--neutral-400);cursor:pointer;transition:all var(--duration-fast) var(--ease-smooth)}.mode-btn:hover{background:var(--glass-hover);color:var(--neutral-200)}.mode-btn.active{background:var(--primary-500);color:#fff}.nav-btn{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:8px;padding:var(--space-2);color:var(--neutral-400);cursor:pointer;transition:all var(--duration-fast) var(--ease-smooth)}.nav-btn:hover{background:var(--glass-hover);color:var(--neutral-200)}.nav-btn.active{background:var(--primary-500);color:#fff}.mobile-menu-btn{display:none;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:8px;padding:var(--space-2);color:var(--neutral-400);cursor:pointer}.status-indicator{position:absolute;bottom:-30px;right:var(--space-6);display:flex;align-items:center;gap:var(--space-2);font-size:.75rem;color:var(--neutral-400)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--neutral-500)}.status-dot.loading{background:var(--primary-500)}.status-dot.active{background:#10b981}.main-content{flex:1;margin-top:80px;position:relative;overflow:hidden;z-index:var(--z-content)}.content-wrapper{width:100%;height:100%;position:relative}.search-interface{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:var(--space-8);overflow-y:auto}.hero-section{text-align:center;margin-bottom:var(--space-16);max-width:800px}.neural-network{position:relative;width:200px;height:200px;margin:0 auto var(--space-8)}.neural-connections{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.hero-content h1{font-size:3.5rem;font-weight:800;margin-bottom:var(--space-6);line-height:1.1}.gradient-text{background:linear-gradient(135deg,var(--primary-500),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:block}.hero-description{font-size:1.25rem;color:var(--neutral-400);line-height:1.6;margin-bottom:var(--space-8)}.main-search{margin-bottom:var(--space-12);width:100%;max-width:600px}.search-form-main{width:100%}.search-input-main-wrapper{display:flex;align-items:center;background:var(--glass-bg);border:2px solid var(--glass-border);border-radius:16px;padding:var(--space-3);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:all var(--duration-normal) var(--ease-smooth)}.search-input-main-wrapper:focus-within{border-color:var(--primary-500);box-shadow:0 0 0 4px #3b82f61a}.search-icon-main{color:var(--neutral-400);margin-right:var(--space-3)}.search-input-main{flex:1;background:transparent;border:none;outline:none;color:var(--neutral-100);font-size:1.125rem;padding:var(--space-3)}.search-input-main::placeholder{color:var(--neutral-500)}.filter-btn{background:transparent;border:1px solid var(--glass-border);border-radius:8px;padding:var(--space-2);color:var(--neutral-400);cursor:pointer;margin-right:var(--space-2);transition:all var(--duration-fast) var(--ease-smooth)}.filter-btn:hover{background:var(--glass-hover);color:var(--neutral-200)}.search-btn-main{display:flex;align-items:center;gap:var(--space-2);background:linear-gradient(135deg,var(--primary-500),var(--primary-600));border:none;border-radius:12px;padding:var(--space-3) var(--space-6);color:#fff;font-weight:600;cursor:pointer;transition:all var(--duration-fast) var(--ease-smooth)}.search-btn-main:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 25px #3b82f64d}.search-btn-main:disabled{opacity:.5;cursor:not-allowed}.quick-topics-section{margin-bottom:var(--space-12);width:100%;max-width:800px}.quick-topics-section h3{font-size:1.5rem;font-weight:600;color:var(--neutral-200);margin-bottom:var(--space-6);text-align:center}.quick-topics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-4)}.topic-card{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);border:none;border-radius:12px;color:#fff;cursor:pointer;font-weight:600;transition:all var(--duration-fast) var(--ease-smooth)}.categories-section{width:100%;max-width:1000px}.categories-section h3{font-size:1.5rem;font-weight:600;color:var(--neutral-200);margin-bottom:var(--space-6);text-align:center}.category-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:var(--space-6);cursor:pointer;transition:all var(--duration-normal) var(--ease-smooth);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.category-card:hover{border-color:var(--primary-500);transform:translateY(-4px);box-shadow:0 20px 40px #0000004d}.category-icon{width:48px;height:48px;background:var(--primary-500);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-4);color:#fff}.category-card h4{font-size:1.25rem;font-weight:600;color:var(--neutral-100);margin-bottom:var(--space-2)}.category-card p{color:var(--neutral-400);line-height:1.5;margin-bottom:var(--space-4)}.category-stats{color:var(--primary-500);font-size:.875rem;font-weight:600}.graph-viewer{position:relative;width:100%;height:100%;background:rgba(15,23,42,.5);border-radius:0;overflow:hidden;z-index:var(--z-graph)}.graph-empty{display:flex;align-items:center;justify-content:center;height:100%;text-align:center}.empty-content h3{font-size:1.5rem;color:var(--neutral-300);margin-bottom:var(--space-2)}.empty-content p{color:var(--neutral-500)}.node-inspector{position:fixed;left:0;top:80px;bottom:0;width:480px;background:var(--glass-bg);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-right:1px solid var(--glass-border);z-index:var(--z-sidebar);overflow-y:auto}.control-panel{position:fixed;right:0;top:80px;bottom:0;width:400px;background:var(--glass-bg);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-left:1px solid var(--glass-border);z-index:var(--z-sidebar);overflow-y:auto}.status-bar{position:fixed;bottom:0;left:0;right:0;height:50px;background:var(--glass-bg);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-top:1px solid var(--glass-border);z-index:var(--z-controls);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-6)}.custom-toast{background:var(--glass-bg)!important;-webkit-backdrop-filter:blur(16px)!important;backdrop-filter:blur(16px)!important;border:1px solid var(--glass-border)!important;color:var(--neutral-100)!important;z-index:var(--z-notification)!important}.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:var(--space-8)}.error-content h3{font-size:2rem;color:#ef4444;margin-bottom:var(--space-4)}.error-content p{font-size:1.125rem;color:var(--neutral-400);margin-bottom:var(--space-6);max-width:600px}.error-actions{display:flex;gap:var(--space-4)}.retry-btn,.reset-btn{padding:var(--space-3) var(--space-6);border-radius:12px;font-weight:600;cursor:pointer;transition:all var(--duration-fast) var(--ease-smooth)}.retry-btn{background:var(--primary-500);border:none;color:#fff}.retry-btn:hover{background:var(--primary-600);transform:translateY(-2px)}.reset-btn{background:transparent;border:1px solid var(--glass-border);color:var(--neutral-300)}.reset-btn:hover{background:var(--glass-hover);border-color:var(--neutral-400)}@media (max-width: 768px){.top-bar-content{padding:0 var(--space-4);gap:var(--space-4)}.search-container{margin:0 var(--space-2)}.mobile-menu-btn{display:flex}.view-toggle,.nav-btn{display:none}.node-inspector,.control-panel{width:100%;left:0;right:0}.hero-content h1{font-size:2.5rem}.quick-topics-grid,.categories-grid{grid-template-columns:1fr}}@media (max-width: 480px){.brand-text h1{font-size:1.25rem}.brand-subtitle{display:none}.search-interface{padding:var(--space-4)}.hero-content h1{font-size:2rem}.neural-network{width:150px;height:150px}}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:var(--space-8)}.loading-content h2{font-size:1.5rem;color:var(--neutral-200);margin-bottom:var(--space-4)}.loading-content 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#eff6ff;--primary-100: #dbeafe;--primary-200: #bfdbfe;--primary-300: #93c5fd;--primary-400: #60a5fa;--primary-500: #3b82f6;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary-800: #1e40af;--primary-900: #1e3a8a;--secondary-50: #faf5ff;--secondary-100: #f3e8ff;--secondary-200: #e9d5ff;--secondary-300: #d8b4fe;--secondary-400: #c084fc;--secondary-500: #a855f7;--secondary-600: #9333ea;--secondary-700: #7c3aed;--secondary-800: #6b21a8;--secondary-900: #581c87;--neutral-50: #f8fafc;--neutral-100: #f1f5f9;--neutral-200: #e2e8f0;--neutral-300: #cbd5e1;--neutral-400: #94a3b8;--neutral-500: #64748b;--neutral-600: #475569;--neutral-700: #334155;--neutral-800: #1e293b;--neutral-900: #0f172a;--success-500: #10b981;--error-500: #f56565;--warning-500: #f59e0b;--glass-bg: rgba(255, 255, 255, .08);--glass-border: rgba(255, 255, 255, .15);--glass-hover: rgba(255, 255, 255, .12);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--duration-fast: .15s;--duration-normal: .3s;--duration-slow: .5s;--ease-smooth: cubic-bezier(.4, 0, .2, 1)}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(135deg,var(--neutral-900) 0%,var(--neutral-800) 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infinite}.neural-node:nth-child(1){top:20%;left:50%;animation-delay:0s}.neural-node:nth-child(2){top:30%;left:70%;animation-delay:.2s}.neural-node:nth-child(3){top:50%;left:80%;animation-delay:.4s}.neural-node:nth-child(4){top:70%;left:70%;animation-delay:.6s}.neural-node:nth-child(5){top:80%;left:50%;animation-delay:.8s}.neural-node:nth-child(6){top:70%;left:30%;animation-delay:1s}.neural-node:nth-child(7){top:50%;left:20%;animation-delay:1.2s}.neural-node:nth-child(8){top:30%;left:30%;animation-delay:1.4s}.neural-node:nth-child(9){top:40%;left:50%;animation-delay:1.6s}.neural-node:nth-child(10){top:60%;left:50%;animation-delay:1.8s}.neural-node:nth-child(11){top:35%;left:45%;animation-delay:2s}.neural-node:nth-child(12){top:65%;left:55%;animation-delay:2.2s}.hero-title{font-size:4rem;font-weight:800;margin-bottom:var(--space-6);line-height:1.1}.gradient-text{background:linear-gradient(135deg,var(--primary-500),var(--secondary-500));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:block}.hero-description{font-size:1.25rem;color:var(--neutral-400);max-width:600px;margin:0 auto;line-height:1.6}.main-search{margin-bottom:var(--space-16)}.search-form-main{max-width:700px;margin:0 auto}.search-input-main{display:flex;align-items:center;background:var(--glass-bg);border:2px solid var(--glass-border);border-radius:var(--radius-2xl);padding:var(--space-3);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);transition:all var(--duration-normal) var(--ease-smooth)}.search-input-main:focus-within{border-color:var(--primary-500);box-shadow:0 0 0 6px #3b82f61a;background:rgba(255,255,255,.15)}.search-icon-main{color:var(--neutral-400);margin-right:var(--space-4)}.input-main{flex:1;background:transparent;border:none;outline:none;color:var(--neutral-100);font-size:1.125rem;font-weight:400;padding:var(--space-4)}.input-main::placeholder{color:var(--neutral-500)}.search-btn-main{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-4) var(--space-6);background:linear-gradient(135deg,var(--primary-500),var(--primary-600));border:none;border-radius:var(--radius-xl);color:#fff;font-weight:600;font-size:1rem;cursor:pointer;transition:all var(--duration-normal) var(--ease-smooth);box-shadow:var(--shadow-lg)}.search-btn-main:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-2xl);background:linear-gradient(135deg,var(--primary-600),var(--primary-700))}.search-btn-main:disabled{opacity:.6;cursor:not-allowed;transform:none}.categories-section{margin-bottom:var(--space-16)}.section-title{display:flex;align-items:center;gap:var(--space-2);font-size:1.5rem;font-weight:700;margin-bottom:var(--space-8);color:var(--neutral-200)}.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-6)}.category-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-xl);overflow:hidden;cursor:pointer;transition:all var(--duration-normal) var(--ease-smooth);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.category-card:hover{border-color:var(--glass-hover);box-shadow:var(--shadow-xl);transform:translateY(-4px)}.category-card.selected{border-color:var(--primary-500);box-shadow:0 0 0 4px #3b82f61a}.category-header{padding:var(--space-6);color:#fff;display:flex;align-items:center;gap:var(--space-3)}.category-header h3{font-size:1.125rem;font-weight:600;margin:0}.category-topics{padding:var(--space-6);padding-top:0}.topic-btn{display:block;width:100%;padding:var(--space-3) var(--space-4);margin-bottom:var(--space-2);background:rgba(255,255,255,.05);border:1px solid var(--glass-border);border-radius:var(--radius-lg);color:var(--neutral-200);text-align:left;cursor:pointer;transition:all var(--duration-fast) var(--ease-smooth)}.topic-btn:hover{background:var(--primary-500);color:#fff;border-color:var(--primary-500);transform:translateY(-1px)}.suggestions-section{margin-bottom:var(--space-12)}.suggestions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-8)}.suggestion-group{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:var(--space-6);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.group-title{display:flex;align-items:center;gap:var(--space-2);font-size:1.125rem;font-weight:600;margin-bottom:var(--space-4);color:var(--neutral-200)}.suggestion-tags{display:flex;flex-wrap:wrap;gap:var(--space-2)}.suggestion-tag{padding:var(--space-2) var(--space-4);background:rgba(255,255,255,.05);border:1px solid var(--glass-border);border-radius:var(--radius-full);color:var(--neutral-300);font-size:.875rem;cursor:pointer;transition:all var(--duration-fast) 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