@import url("https://fonts.googleapis.com/css2?family=Google+Sans:wght@300;400;500;600;700&family=Google+Sans+Mono:wght@400;500&display=swap");:root{--primary-color: #1565C0;--primary-dark: #0D47A1;--primary-light: #42A5F5;--primary-50: #E3F2FD;--primary-100: #BBDEFB;--primary-200: #90CAF9;--primary-300: #64B5F6;--primary-400: #42A5F5;--primary-500: #2196F3;--primary-600: #1E88E5;--primary-700: #1976D2;--primary-800: #1565C0;--primary-900: #0D47A1;--secondary-color: #37474F;--secondary-dark: #263238;--secondary-light: #546E7A;--accent-color: #00BCD4;--accent-dark: #0097A7;--error-color: #D32F2F;--warning-color: #F57C00;--success-color: #388E3C;--info-color: var(--primary-color);--gray-50: #fafafa;--gray-100: #f5f5f5;--gray-200: #eeeeee;--gray-300: #e0e0e0;--gray-400: #bdbdbd;--gray-500: #9e9e9e;--gray-600: #757575;--gray-700: #616161;--gray-800: #424242;--gray-900: #212121;--text-primary: #212121;--text-secondary: #757575;--text-disabled: #bdbdbd;--text-inverse: #ffffff;--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #f0f0f0;--bg-dark: #1a1a1a;--border-light: #e0e0e0;--border-medium: #bdbdbd;--border-dark: #757575;--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);--shadow-md: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);--shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);--shadow-xl: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);--font-family-sans: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;--font-family-mono: 'Google Sans Mono', 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', monospace;--font-size-xs: 0.75rem;--font-size-sm: 0.875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--line-height-tight: 1.25;--line-height-snug: 1.375;--line-height-normal: 1.5;--line-height-relaxed: 1.625;--line-height-loose: 2;--spacing-xs: 0.25rem;--spacing-sm: 0.5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--radius-2xl: 16px;--radius-full: 9999px;--transition-fast: 0.15s ease-in-out;--transition-normal: 0.3s ease-in-out;--transition-slow: 0.5s ease-in-out;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-family-sans);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--text-primary);background-color:var(--bg-primary);margin:0;padding:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:var(--line-height-tight);margin:0 0 var(--spacing-md) 0;color:var(--text-primary)}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h6{font-size:var(--font-size-base)}p{margin:0 0 var(--spacing-md) 0;line-height:var(--line-height-relaxed)}a{color:var(--primary-color);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-dark);text-decoration:underline}ul,ol{margin:0 0 var(--spacing-md) 0;padding-left:var(--spacing-lg)}ul li,ol li{margin-bottom:var(--spacing-xs)}code{font-family:var(--font-family-mono);font-size:0.9em;background:var(--gray-100);padding:0.125rem 0.25rem;border-radius:var(--radius-sm);color:var(--text-primary)}pre{font-family:var(--font-family-mono);background:var(--gray-900);color:var(--text-inverse);padding:var(--spacing-md);border-radius:var(--radius-md);overflow-x:auto;margin:0 0 var(--spacing-md) 0}pre code{background:none;padding:0;color:inherit}blockquote{border-left:4px solid var(--primary-color);padding-left:var(--spacing-md);margin:0 0 var(--spacing-md) 0;font-style:italic;color:var(--text-secondary)}table{width:100%;border-collapse:collapse;margin:0 0 var(--spacing-md) 0}table th,table td{padding:var(--spacing-sm) var(--spacing-md);text-align:left;border-bottom:1px solid var(--border-light)}table th{font-weight:600;background:var(--bg-secondary);color:var(--text-primary)}table tr:hover{background:var(--bg-secondary)}img{max-width:100%;height:auto;border-radius:var(--radius-md)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}@media (min-width: 768px){.container{padding:0 var(--spacing-lg)}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-disabled)}.text-inverse{color:var(--text-inverse)}.bg-primary{background-color:var(--bg-primary)}.bg-secondary{background-color:var(--bg-secondary)}.bg-dark{background-color:var(--bg-dark)}.border{border:1px solid var(--border-light)}.border-top{border-top:1px solid var(--border-light)}.border-bottom{border-bottom:1px solid var(--border-light)}.rounded{border-radius:var(--radius-md)}.rounded-lg{border-radius:var(--radius-lg)}.rounded-xl{border-radius:var(--radius-xl)}.rounded-full{border-radius:var(--radius-full)}.shadow{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}.shadow-xl{box-shadow:var(--shadow-xl)}.m-0{margin:0}.m-1{margin:var(--spacing-xs)}.m-2{margin:var(--spacing-sm)}.m-3{margin:var(--spacing-md)}.m-4{margin:var(--spacing-lg)}.m-5{margin:var(--spacing-xl)}.mt-0{margin-top:0}.mt-1{margin-top:var(--spacing-xs)}.mt-2{margin-top:var(--spacing-sm)}.mt-3{margin-top:var(--spacing-md)}.mt-4{margin-top:var(--spacing-lg)}.mt-5{margin-top:var(--spacing-xl)}.mb-0{margin-bottom:0}.mb-1{margin-bottom:var(--spacing-xs)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-3{margin-bottom:var(--spacing-md)}.mb-4{margin-bottom:var(--spacing-lg)}.mb-5{margin-bottom:var(--spacing-xl)}.p-0{padding:0}.p-1{padding:var(--spacing-xs)}.p-2{padding:var(--spacing-sm)}.p-3{padding:var(--spacing-md)}.p-4{padding:var(--spacing-lg)}.p-5{padding:var(--spacing-xl)}.btn{display:inline-flex;align-items:center;gap:0.5rem;padding:0.75rem 1.5rem;border-radius:var(--radius-lg);text-decoration:none;font-weight:500;font-size:var(--font-size-base);line-height:1;cursor:pointer;border:2px solid transparent;transition:all var(--transition-normal);white-space:nowrap;position:relative;overflow:hidden}.btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);transition:left var(--transition-slow)}.btn:hover{text-decoration:none;transform:translateY(-2px)}.btn:hover::before{left:100%}.btn:active{transform:translateY(0)}.btn .icon{width:1.25rem;height:1.25rem;fill:currentColor}.btn-primary{background:var(--primary-color);color:var(--text-inverse);border-color:var(--primary-color)}.btn-primary:hover:not(:disabled){background:var(--primary-dark);border-color:var(--primary-dark);color:var(--text-inverse);text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--secondary-color);color:var(--text-inverse);border-color:var(--secondary-color)}.btn-secondary:hover:not(:disabled){background:#45a049;border-color:#45a049;color:var(--text-inverse);text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-outline{background:transparent;color:var(--primary-color);border-color:var(--primary-color)}.btn-outline:hover:not(:disabled){background:var(--primary-color);color:var(--text-inverse);text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-ghost{background:transparent;color:var(--text-primary);border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--bg-secondary);color:var(--text-primary);text-decoration:none}.btn-sm{padding:0.375rem 0.75rem;font-size:var(--font-size-xs)}.btn-lg{padding:0.75rem 1.5rem;font-size:var(--font-size-lg)}.card{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:all var(--transition-normal)}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-header{padding:var(--spacing-md);border-bottom:1px solid var(--border-light);background:var(--bg-secondary)}.card-body{padding:var(--spacing-md)}.card-footer{padding:var(--spacing-md);border-top:1px solid var(--border-light);background:var(--bg-secondary)}.alert{padding:var(--spacing-md);border-radius:var(--radius-md);border:1px solid transparent;margin-bottom:var(--spacing-md)}.alert.alert-info{background:#e3f2fd;border-color:#bbdefb;color:#0d47a1}.alert.alert-success{background:#e8f5e9;border-color:#c8e6c9;color:#1b5e20}.alert.alert-warning{background:#fff3e0;border-color:#ffcc02;color:#e65100}.alert.alert-error{background:#ffebee;border-color:#ffcdd2;color:#c62828}.badge{display:inline-flex;align-items:center;padding:0.25rem 0.5rem;font-size:var(--font-size-xs);font-weight:500;border-radius:var(--radius-full)}.badge.badge-primary{background:var(--primary-color);color:var(--text-inverse)}.badge.badge-secondary{background:var(--secondary-color);color:var(--text-inverse)}.badge.badge-outline{background:transparent;border:1px solid var(--border-medium);color:var(--text-secondary)}.grid{display:grid;gap:var(--spacing-md)}.grid.grid-cols-1{grid-template-columns:repeat(1, 1fr)}.grid.grid-cols-2{grid-template-columns:repeat(2, 1fr)}.grid.grid-cols-3{grid-template-columns:repeat(3, 1fr)}.grid.grid-cols-4{grid-template-columns:repeat(4, 1fr)}.grid.grid-auto-fit{grid-template-columns:repeat(auto-fit, minmax(250px, 1fr))}.grid.grid-auto-fill{grid-template-columns:repeat(auto-fill, minmax(250px, 1fr))}.flex{display:flex}.flex-col{flex-direction:column}.flex-row{flex-direction:row}.flex-wrap{flex-wrap:wrap}.flex-nowrap{flex-wrap:nowrap}.items-start{align-items:flex-start}.items-center{align-items:center}.items-end{align-items:flex-end}.items-stretch{align-items:stretch}.justify-start{justify-content:flex-start}.justify-center{justify-content:center}.justify-end{justify-content:flex-end}.justify-between{justify-content:space-between}.justify-around{justify-content:space-around}.gap-1{gap:var(--spacing-xs)}.gap-2{gap:var(--spacing-sm)}.gap-3{gap:var(--spacing-md)}.gap-4{gap:var(--spacing-lg)}.gap-5{gap:var(--spacing-xl)}@media (max-width: 767px){.hidden-mobile{display:none !important}.text-center-mobile{text-align:center}.grid-cols-2{grid-template-columns:1fr}.grid-cols-3{grid-template-columns:1fr}.grid-cols-4{grid-template-columns:repeat(2, 1fr)}.flex-col-mobile{flex-direction:column}}@media (min-width: 768px){.hidden-desktop{display:none !important}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes slideInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInDown{from{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{from{opacity:0;transform:translateX(-30px)}to{opacity:1;transform:translateX(0)}}@keyframes slideInRight{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}@keyframes pulse{0%, 100%{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn 0.5s ease-out}.animate-slide-in-up{animation:slideInUp 0.6s ease-out}.animate-slide-in-down{animation:slideInDown 0.6s ease-out}.animate-slide-in-left{animation:slideInLeft 0.6s ease-out}.animate-slide-in-right{animation:slideInRight 0.6s ease-out}.animate-pulse{animation:pulse 2s infinite}.animate-spin{animation:spin 1s linear infinite}@media (prefers-color-scheme: dark){[data-theme="auto"]{--text-primary: #ffffff;--text-secondary: #b3b3b3;--text-disabled: #666666;--bg-primary: #1a1a1a;--bg-secondary: #2a2a2a;--bg-tertiary: #3a3a3a;--border-light: #333333;--border-medium: #444444;--border-dark: #555555}}[data-theme="dark"]{--text-primary: #ffffff;--text-secondary: #b3b3b3;--text-disabled: #666666;--bg-primary: #1a1a1a;--bg-secondary: #2a2a2a;--bg-tertiary: #3a3a3a;--border-light: #333333;--border-medium: #444444;--border-dark: #555555}.site-header{background:rgba(255,255,255,0.95);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-light);position:sticky;top:0;z-index:var(--z-sticky);transition:all var(--transition-normal)}.site-header.scrolled{background:rgba(255,255,255,0.98);box-shadow:var(--shadow-sm)}.navbar{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}.navbar .navbar-brand{display:flex;align-items:center;gap:0.75rem;font-weight:600;font-size:var(--font-size-xl);color:var(--text-primary);text-decoration:none}.navbar .navbar-brand .brand-logo{width:40px;height:40px;border-radius:var(--radius-lg);object-fit:contain}.navbar .navbar-brand:hover{text-decoration:none;color:var(--primary-color)}.navbar .navbar-nav{display:flex;align-items:center;gap:2rem;list-style:none;margin:0;padding:0}.navbar .navbar-nav .nav-item .nav-link{color:var(--text-secondary);font-weight:500;padding:0.5rem 0;position:relative;transition:color var(--transition-fast)}.navbar .navbar-nav .nav-item .nav-link:hover,.navbar .navbar-nav .nav-item .nav-link.active{color:var(--primary-color);text-decoration:none}.navbar .navbar-nav .nav-item .nav-link.active::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--primary-color);border-radius:1px}.navbar .navbar-actions{display:flex;align-items:center;gap:1rem}.hero-section{background:linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);padding:5rem 0;position:relative;overflow:hidden}.hero-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:0.3}.hero-section .hero-content{position:relative;z-index:1;text-align:center;max-width:800px;margin:0 auto}.hero-section .hero-content h1{font-size:clamp(2.5rem, 5vw, 4rem);font-weight:700;margin-bottom:1.5rem;color:var(--primary-dark);line-height:1.1}.hero-section .hero-content .hero-subtitle{font-size:var(--font-size-xl);color:var(--text-secondary);margin-bottom:2rem;line-height:var(--line-height-relaxed)}.hero-section .hero-content .hero-features{display:flex;justify-content:center;flex-wrap:wrap;gap:1rem;margin-bottom:2.5rem}.hero-section .hero-content .hero-features .feature-badge{background:rgba(255,255,255,0.9);color:var(--primary-dark);padding:0.5rem 1rem;border-radius:var(--radius-full);font-weight:500;font-size:var(--font-size-sm);box-shadow:var(--shadow-sm);backdrop-filter:blur(10px)}.hero-section .hero-content .hero-actions{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.features-section{padding:5rem 0;background:var(--bg-primary)}.features-section .section-title{text-align:center;font-size:var(--font-size-3xl);font-weight:700;color:var(--text-primary);margin-bottom:3rem}.features-section .features-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));gap:2rem}.features-section .features-grid .feature-card{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:2rem;text-align:center;transition:all var(--transition-normal);position:relative;overflow:hidden}.features-section .features-grid .feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg, var(--primary-color), var(--accent-color));transform:scaleX(0);transition:transform var(--transition-normal)}.features-section .features-grid .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-200)}.features-section .features-grid .feature-card:hover::before{transform:scaleX(1)}.features-section .features-grid .feature-card .feature-icon{font-size:3rem;margin-bottom:1.5rem;display:block}.features-section .features-grid .feature-card h3{color:var(--text-primary);margin-bottom:1rem;font-weight:600}.features-section .features-grid .feature-card p{color:var(--text-secondary);line-height:var(--line-height-relaxed)}.code-block{background:var(--secondary-dark);color:var(--text-inverse);padding:1.5rem;border-radius:var(--radius-lg);font-family:var(--font-family-mono);font-size:var(--font-size-sm);overflow-x:auto;position:relative;margin:1.5rem 0}.code-block::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg, var(--primary-color), var(--accent-color))}.code-block code{background:none;color:inherit;padding:0}.site-footer{background:var(--secondary-dark);color:var(--text-inverse);padding:3rem 0 2rem}.site-footer .footer-content{display:grid;grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));gap:2rem;margin-bottom:2rem}.site-footer .footer-section h4{color:var(--text-inverse);margin-bottom:1rem;font-weight:600}.site-footer .footer-section .footer-links{list-style:none;padding:0;margin:0}.site-footer .footer-section .footer-links li{margin-bottom:0.5rem}.site-footer .footer-section .footer-links li a{color:rgba(255,255,255,0.8);text-decoration:none;transition:color var(--transition-fast)}.site-footer .footer-section .footer-links li a:hover{color:var(--primary-light);text-decoration:none}.site-footer .footer-brand .footer-logo{width:32px;height:32px;margin-bottom:1rem;border-radius:var(--radius-md)}.site-footer .footer-brand h3{color:var(--text-inverse);margin-bottom:0.5rem}.site-footer .footer-brand p{color:rgba(255,255,255,0.8);font-size:var(--font-size-sm)}.site-footer .footer-social{display:flex;gap:1rem;margin-top:1rem}.site-footer .footer-social .social-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:rgba(255,255,255,0.1);border-radius:var(--radius-lg);color:var(--text-inverse);transition:all var(--transition-fast)}.site-footer .footer-social .social-link:hover{background:var(--primary-color);transform:translateY(-2px);text-decoration:none}.site-footer .footer-social .social-link svg{width:20px;height:20px;fill:currentColor}@media (max-width: 768px){.navbar .navbar-nav{display:none}.hero-section{padding:3rem 0}.hero-section .hero-content h1{font-size:2.5rem}.hero-section .hero-content .hero-features .feature-badge{font-size:var(--font-size-xs);padding:0.375rem 0.75rem}.hero-section .hero-content .hero-actions{flex-direction:column;align-items:center}.features-section .features-grid{grid-template-columns:1fr}}@media print{*{background:transparent !important;color:black !important;box-shadow:none !important;text-shadow:none !important}a,a:visited{text-decoration:underline}a[href]:after{content:" (" attr(href) ")"}abbr[title]:after{content:" (" attr(title) ")"}.btn{border:1px solid black}.hidden-print{display:none !important}}