*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0a0f0d;--bg-secondary: rgba(15, 25, 20, .6);--bg-hover: rgba(15, 25, 20, .8);--text-primary: #f0f4f2;--text-secondary: #a8bdb2;--text-muted: #8fa99b;--accent-green: #1a5d3a;--accent-green-bright: #4ade80;--border-primary: rgba(26, 93, 58, .2);--border-hover: rgba(26, 93, 58, .5);--shadow-green: rgba(0, 66, 37, .3);--code-bg: rgba(15, 25, 20, .9);--code-border: rgba(143, 169, 155, .2)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);background-image:radial-gradient(circle at 20% 50%,rgba(0,66,37,.3) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(26,93,58,.2) 0%,transparent 50%),radial-gradient(circle at 40% 20%,rgba(0,66,37,.2) 0%,transparent 50%);min-height:100vh;color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:Playfair Display,serif;font-weight:400;letter-spacing:-.02em}code,pre{font-family:JetBrains Mono,Courier New,monospace}a{color:var(--accent-green-bright);text-decoration:none;transition:color .3s ease}a:hover{color:var(--text-primary)}.app-container{display:flex;min-height:100vh}.page-container{padding:0}.section{margin-bottom:3rem}.navigation{position:fixed;left:0;top:0;width:260px;height:100vh;background:var(--bg-secondary);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-right:1px solid var(--border-primary);padding:2rem 1.5rem;overflow-y:auto;display:flex;flex-direction:column;z-index:1000}.nav-header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-primary)}.nav-header h2{font-size:1.5rem;margin-bottom:.5rem;color:var(--text-primary)}.nav-subtitle{color:var(--text-muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}.nav-section{margin-bottom:2rem}.nav-section h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:.75rem;font-family:Inter,sans-serif;font-weight:600}.nav-link{display:block;padding:.75rem 1rem;color:var(--text-secondary);text-decoration:none;transition:all .3s ease;margin-bottom:.25rem;position:relative;border-radius:6px}.nav-link:hover{background:#1a5d3a1a;color:var(--text-primary)}.nav-link.active{background:#1a5d3a33;color:var(--accent-green-bright);border-left:2px solid var(--accent-green-bright)}.main-content{margin-left:260px;padding:2rem 3rem;max-width:1200px;width:100%}.page-header{margin-bottom:3rem}.page-header h1{font-size:3rem;margin-bottom:1rem;text-shadow:0 2px 20px var(--shadow-green);background:linear-gradient(135deg,var(--text-primary),var(--accent-green-bright));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.page-description{color:var(--text-secondary);font-size:1.1rem;line-height:1.7}.demo-container{background:var(--bg-secondary);border:1px solid var(--border-primary);padding:2rem;margin:2rem 0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;position:relative;overflow:hidden}.demo-container:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent-green-bright),transparent);opacity:.5}.demo-container h3{margin-bottom:1.5rem;color:var(--accent-green-bright)}.demo-controls{display:flex;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.demo-button{background:transparent;border:1px solid var(--border-primary);color:var(--text-secondary);padding:.75rem 1.5rem;cursor:pointer;transition:all .3s ease;border-radius:6px;font-weight:500;position:relative;overflow:hidden}.demo-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(74,222,128,.1),transparent);transition:left .5s ease}.demo-button:hover:before{left:100%}.demo-button:hover{background:#1a5d3a33;color:var(--text-primary);border-color:var(--border-hover);transform:translateY(-1px)}.demo-button:disabled{opacity:.5;cursor:not-allowed;transform:none}.demo-button:disabled:hover{background:transparent;color:var(--text-secondary);border-color:var(--border-primary)}.demo-button.active,.action-button{background:var(--accent-green);color:var(--text-primary);border-color:var(--accent-green)}.action-button:hover{background:var(--accent-green-bright);border-color:var(--accent-green-bright)}.code-container{background:var(--code-bg);border:1px solid var(--code-border);margin:2rem 0;overflow:hidden;border-radius:12px}.code-header{background:#1a5d3a1a;padding:1rem 1.5rem;border-bottom:1px solid var(--code-border);display:flex;justify-content:space-between;align-items:center}.code-title{color:var(--text-primary);font-size:.9rem;font-weight:500}.code-content{padding:1.5rem;overflow-x:auto}pre{margin:0;color:var(--text-primary);line-height:1.6}code{font-size:.9rem}.concept-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin:2rem 0}.concept-card{background:var(--bg-secondary);border:1px solid var(--border-primary);padding:2rem;transition:all .3s ease;position:relative;overflow:hidden;border-radius:12px}.concept-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--accent-green-bright),transparent);transform:translate(-100%);transition:transform .6s ease}.concept-card:hover:before{transform:translate(100%)}.concept-card:hover{transform:translateY(-4px);border-color:var(--border-hover);box-shadow:0 20px 60px #0042254d}.concept-card h3{color:var(--accent-green-bright);margin-bottom:1rem}.concept-card p{color:var(--text-secondary);line-height:1.6}.visualization-container{background:var(--bg-secondary);border:1px solid var(--border-primary);padding:2rem;margin:2rem 0;min-height:400px;display:flex;flex-direction:column;border-radius:12px;position:relative}.demo-output{background:var(--code-bg);border:1px solid var(--code-border);padding:1rem;min-height:200px;font-family:JetBrains Mono,monospace;font-size:.9rem;overflow-y:auto;max-height:400px;border-radius:8px;color:var(--text-primary)}input,select,textarea{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:6px;padding:.75rem;color:var(--text-primary);transition:all .3s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent-green);box-shadow:0 0 0 2px #4ade801a}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;cursor:pointer}input[type=range]::-webkit-slider-track{background:var(--border-primary);height:6px;border-radius:3px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--accent-green-bright);height:20px;width:20px;border-radius:50%;cursor:pointer}input[type=range]::-moz-range-track{background:var(--border-primary);height:6px;border-radius:3px}input[type=range]::-moz-range-thumb{background:var(--accent-green-bright);height:20px;width:20px;border-radius:50%;cursor:pointer;border:none}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-pulse{animation:pulse 2s infinite}.animate-slide-in{animation:slideIn .5s ease-out}@media (max-width: 1024px){.main-content{padding:2rem}}@media (max-width: 768px){.app-container{flex-direction:column}.navigation{width:100%;position:static;height:auto;border-right:none;border-bottom:1px solid var(--border-primary)}.main-content{margin-left:0;padding:1.5rem}.page-header h1{font-size:2.5rem}.demo-controls{flex-direction:column;align-items:stretch}.demo-button{text-align:center}.concept-grid{grid-template-columns:1fr;gap:1.5rem}.code-content{padding:1rem}}@media (max-width: 480px){.main-content{padding:1rem}.page-header h1{font-size:2rem}.demo-container{padding:1.5rem}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (prefers-contrast: high){:root{--border-primary: rgba(26, 93, 58, .8);--text-secondary: #e5e7eb}}@media print{.navigation{display:none}.main-content{margin-left:0}.demo-container{background:#fff;color:#000;border:1px solid #ccc}}