.theme-toggle{padding:.5rem;font-size:1.25rem;background:none;border:1px solid var(--border-color);border-radius:var(--border-radius);cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;background-color:var(--card-background)}.theme-toggle:hover{background-color:var(--hover-background);transform:translateY(-2px)}.theme-toggle:active{transform:translateY(0)}.theme-toggle:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}[data-theme=dark] .theme-toggle{background-color:var(--card-background);border-color:var(--border-color)}[data-theme=dark] .theme-toggle:hover{background-color:var(--hover-background)}@media (max-width: 768px){.theme-toggle{font-size:1.1rem;min-width:36px;min-height:36px}}.header{background:linear-gradient(135deg,var(--background-color),var(--primary-dark));color:#fff;padding:2rem 1rem;text-align:center;box-shadow:var(--card-shadow);position:relative}.header:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at top right,rgba(255,255,255,.1),transparent);pointer-events:none}.logo{text-decoration:none;display:inline-block}.logo h1{font-size:2.75rem;margin-bottom:.75rem;font-weight:700;color:var(--text-color);text-shadow:0 2px 4px rgba(0,0,0,.1);position:relative}.header p{font-size:1.1rem;color:var(--text-color);margin:.5rem 0 1.5rem}.nav{background-color:var(--background-color);padding:1rem;margin-top:1.5rem;border-radius:var(--border-radius);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.nav ul{list-style:none;display:flex;justify-content:center;gap:2rem;flex-wrap:wrap;margin:0;padding:0}.nav a{color:var(--text-color);text-decoration:none;padding:.75rem 1.5rem;border-radius:var(--border-radius);transition:all .3s ease;font-weight:500;position:relative;overflow:hidden}.nav a:before{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background-color:var(--secondary-color);transform:scaleX(0);transition:transform .3s ease;transform-origin:right}.nav a:hover:before,.nav a.active:before{transform:scaleX(1);transform-origin:left}.nav a:hover,.nav a.active{transform:translateY(-2px);color:var(--text-light)}.theme-toggle-wrapper{position:absolute;top:1rem;right:1rem;z-index:10}.hamburger-button{display:none;background:none;border:none;padding:.5rem;cursor:pointer;z-index:11;position:absolute;top:1rem;right:1rem}.hamburger-line{display:block;width:25px;height:3px;background-color:var(--text-color);margin:5px 0;transition:transform .3s ease,opacity .3s ease}.nav.mobile-menu-open+.hamburger-button .hamburger-line:nth-child(1){transform:translateY(8px) rotate(45deg)}.nav.mobile-menu-open+.hamburger-button .hamburger-line:nth-child(2){opacity:0}.nav.mobile-menu-open+.hamburger-button .hamburger-line:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;z-index:8;cursor:pointer}@media (max-width: 768px){.nav.mobile-menu-open~.mobile-menu-overlay{display:block;top:60px}}@media (max-width: 768px){.header{padding:1rem;text-align:left}.logo{margin-right:auto}.logo h1{font-size:1.5rem;margin-bottom:0}.header p{display:none}.hamburger-button{display:block;top:.5rem;right:.5rem}.nav{margin-top:0;padding:0;background-color:transparent;-webkit-backdrop-filter:none;backdrop-filter:none}.nav ul{display:none;position:absolute;top:100%;left:0;right:0;background-color:var(--card-background);flex-direction:column;padding:1rem 0;margin:0;gap:0;box-shadow:var(--card-shadow);border-bottom-left-radius:var(--border-radius);border-bottom-right-radius:var(--border-radius);z-index:9}.nav.mobile-menu-open ul{width:100%;display:flex;gap:.8rem}.nav a{padding:.75rem 1.5rem;width:100%;text-align:left;border-radius:0;display:flex}.nav a:hover,.nav a.active{display:flex;background-color:#0000000d;transform:none;color:var(--primary-color);width:100%}.nav a:before{display:none}.nav a.active{font-weight:600;color:var(--primary-dark);background-color:#2196f31a;border-left:3px solid var(--primary-color);padding-left:calc(1.5rem - 3px)}.theme-toggle-wrapper{top:.5rem;right:3.5rem}}@media (max-width: 480px){.logo h1{font-size:1.25rem}.hamburger-button{top:.4rem;right:.4rem}.theme-toggle-wrapper{top:.4rem;right:3rem}}.footer{background-color:var(--card-background);padding:2rem 1rem;margin-top:4rem;box-shadow:var(--card-shadow);border-top:1px solid var(--border-color);transition:all .3s ease}.footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.footer-section{padding:1rem}.footer-section h3{color:var(--text-color);margin-bottom:1rem;font-size:1.2rem;transition:color .3s ease}.footer-section ul{list-style:none;padding:0}.footer-section ul li{margin-bottom:.5rem}.footer-section a{color:var(--text-light);text-decoration:none;transition:color .3s ease;display:inline-block;padding:.25rem 0}.footer-section a:hover{color:var(--primary-color)}.footer-bottom{margin-top:2rem;padding-top:1rem;border-top:1px solid var(--border-color);text-align:center;color:var(--text-light);font-size:.9rem;transition:all .3s ease}.social-links{display:flex;gap:1rem;margin-top:1rem}.social-links a{color:var(--text-light);transition:color .3s ease}.social-links a:hover{color:var(--primary-color)}[data-theme=dark] .footer{background-color:var(--card-background);border-top:1px solid var(--border-color)}[data-theme=dark] .footer-section a:hover{color:var(--primary-light)}@media (max-width: 768px){.footer{padding:1.5rem 1rem;margin-top:2rem}.footer-content{grid-template-columns:1fr;gap:1.5rem}.footer-section{padding:.5rem}.footer-bottom{margin-top:1.5rem}}:root{--primary-color: #2196F3;--primary-light: #64B5F6;--primary-dark: #1976D2;--secondary-color: #FFC107;--secondary-light: #FFD54F;--secondary-dark: #FFA000;--background: #f8fafc;--card-background: #ffffff;--input-background: #ffffff;--code-background: #f8f9fa;--text-color: #2c3e50;--text-light: #546e7a;--text-dark: #263238;--button-text: #ffffff;--success-color: #4CAF50;--error-color: #f44336;--warning-color: #ff9800;--info-color: #03A9F4;--border-radius: 12px;--card-shadow: 0 2px 8px rgba(0, 0, 0, .08);--hover-shadow: 0 4px 12px rgba(0, 0, 0, .12);--border-color: rgba(0, 0, 0, .1);--nav-hover-color: #1976D2}[data-theme=dark]{--background: #121212;--card-background: #1e1e1e;--input-background: #2d2d2d;--code-background: #2d2d2d;--text-color: #e0e0e0;--text-light: #bdbdbd;--text-dark: #f5f5f5;--button-text: #121212;--border-color: rgba(255, 255, 255, .1);--card-shadow: 0 2px 8px rgba(0, 0, 0, .2);--hover-shadow: 0 4px 12px rgba(0, 0, 0, .3);--primary-color: #90caf9;--primary-light: #64B5F6;--primary-dark: #42a5f5;--success-color: #81c784;--error-color: #e57373;--warning-color: #ffb74d;--info-color: #4fc3f7}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--background);color:var(--text-color);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{display:flex;flex:1;flex-direction:column;gap:2rem;padding:2rem;max-width:1200px;margin:0 auto;width:100%}h1,h2,h3,h4,h5,h6{color:var(--text-dark);line-height:1.3;font-weight:600}a{color:var(--primary-color);text-decoration:none;transition:color .3s ease}a:hover{color:var(--primary-light)}pre,code{background-color:var(--code-background);color:var(--text-color);padding:.2em .4em;border-radius:3px;font-family:Fira Code,monospace}.text-center{text-align:center}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-out forwards}@media (max-width: 768px){.main-content{padding:2rem 1rem 1rem}h1{font-size:2rem}h2{font-size:1.5rem}.container{padding:0 1rem}}