@import"https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap";:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--pixel-bg: #0d0d0d;--pixel-bg-light: #1a1a2e;--pixel-bg-mid: #16213e;--pixel-primary: #f59e0b;--pixel-secondary: #ff00ff;--pixel-accent: #00ffff;--pixel-warning: #ffff00;--pixel-danger: #ff3333;--pixel-text: #f59e0b;--pixel-text-dim: #d97706;--pixel-border: #f59e0b;--pixel-glow: 0 0 10px #f59e0b, 0 0 20px #f59e0b44}*{margin:0;padding:0;box-sizing:border-box}body{font-family:VT323,monospace;background:var(--pixel-bg);color:var(--pixel-text);min-height:100vh;image-rendering:pixelated}.app{max-width:1400px;margin:0 auto;padding:16px;background:repeating-linear-gradient(0deg,transparent,transparent 2px,#f59e0b08 2px,#f59e0b08 4px),repeating-linear-gradient(90deg,transparent,transparent 2px,#f59e0b08 2px,#f59e0b08 4px),var(--pixel-bg)}.header{text-align:center;padding:32px 16px;background:var(--pixel-bg-mid);border:4px solid var(--pixel-primary);box-shadow:var(--pixel-glow);margin-bottom:24px;position:relative}.header:before{content:"";position:absolute;inset:-8px;border:2px dashed var(--pixel-primary);opacity:.5}.header h1{font-family:"Press Start 2P",cursive;font-size:1.5rem;color:var(--pixel-primary);text-shadow:var(--pixel-glow);margin-bottom:12px;letter-spacing:2px}.header p{font-size:1.4rem;color:var(--pixel-text-dim)}.nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:24px}.nav-btn{background:var(--pixel-bg-mid);border:3px solid var(--pixel-text-dim);padding:12px;cursor:pointer;text-align:left;transition:all .1s;font-family:VT323,monospace}.nav-btn:hover{border-color:var(--pixel-accent);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--pixel-accent)}.nav-btn.active{background:var(--pixel-primary);color:var(--pixel-bg);border-color:var(--pixel-primary);box-shadow:var(--pixel-glow)}.nav-title{display:block;font-size:1.3rem;font-weight:700}.nav-desc{display:block;font-size:1rem;opacity:.7}.content{background:var(--pixel-bg-light);border:4px solid var(--pixel-primary);padding:24px;min-height:600px;box-shadow:var(--pixel-glow)}.card{background:var(--pixel-bg-mid);border:2px solid var(--pixel-text-dim);padding:20px;margin-bottom:20px}.card h3{font-family:"Press Start 2P",cursive;font-size:.9rem;color:var(--pixel-accent);margin-bottom:16px}.card h4{font-size:1.2rem;margin:12px 0 8px;color:var(--pixel-warning)}.card p{font-size:1.2rem;line-height:1.6;color:var(--pixel-text-dim)}.controls{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:20px}.control-group{display:flex;flex-direction:column;gap:4px}.control-group label{font-size:1.1rem;color:var(--pixel-text-dim)}.control-group input,.control-group select{background:var(--pixel-bg);border:2px solid var(--pixel-text-dim);border-radius:0;padding:8px 12px;color:var(--pixel-text);font-family:VT323,monospace;font-size:1.1rem}.control-group input:focus,.control-group select:focus{outline:none;border-color:var(--pixel-primary);box-shadow:var(--pixel-glow)}.slider-group{display:flex;flex-direction:column;gap:4px;min-width:200px}.slider-group input[type=range]{width:100%;accent-color:var(--pixel-primary);height:8px;background:var(--pixel-bg);border:2px solid var(--pixel-text-dim)}.visualization{background:var(--pixel-bg);border:3px solid var(--pixel-text-dim);padding:20px;margin-top:20px;min-height:400px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.visualization:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 4px,#f59e0b04 4px,#f59e0b04 8px);pointer-events:none}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-top:20px}.stat-card{background:var(--pixel-bg-mid);border:2px solid var(--pixel-text-dim);padding:16px;text-align:center}.stat-value{font-family:"Press Start 2P",cursive;font-size:1rem;color:var(--pixel-primary);text-shadow:var(--pixel-glow)}.stat-label{font-size:1rem;color:var(--pixel-text-dim);margin-top:4px}.stat-card.positive .stat-value{color:var(--pixel-primary)}.stat-card.negative .stat-value{color:var(--pixel-danger)}.stat-card.warning .stat-value{color:var(--pixel-warning)}.formula{background:var(--pixel-bg);border:2px dashed var(--pixel-text-dim);padding:14px;font-family:VT323,monospace;font-size:1.2rem;text-align:center;margin:14px 0;color:var(--pixel-accent)}.explanation{background:var(--pixel-bg-mid);border:2px solid var(--pixel-text-dim);padding:16px;margin-top:20px}.explanation h4{font-family:"Press Start 2P",cursive;font-size:.7rem;color:var(--pixel-warning);margin-bottom:12px}.explanation ul{margin-left:20px}.explanation li{font-size:1.1rem;margin:8px 0;color:var(--pixel-text-dim)}.explanation strong{color:var(--pixel-text)}.legend{display:flex;gap:20px;flex-wrap:wrap;margin-top:16px}.legend-item{display:flex;align-items:center;gap:8px;font-size:1rem}.legend-box{width:16px;height:16px;border:2px solid}.legend-box.treatment{border-color:#8b5cf6;background:#8b5cf6}.legend-box.outcome{border-color:#10b981;background:#10b981}.legend-box.confounder{border-color:#f59e0b;background:#f59e0b}.legend-box.mediator{border-color:#ec4899;background:#ec4899}.legend-box.collider{border-color:#ef4444;background:#ef4444}.footer{text-align:center;padding:24px;color:var(--pixel-text-dim);font-size:1.1rem}button.primary-btn{background:var(--pixel-primary);border:2px solid var(--pixel-primary);padding:10px 20px;color:var(--pixel-bg);font-family:VT323,monospace;font-size:1.2rem;font-weight:700;cursor:pointer;transition:all .1s}button.primary-btn:hover{background:var(--pixel-bg);color:var(--pixel-primary);box-shadow:var(--pixel-glow)}.dag-node{cursor:pointer}.dag-node circle{transition:all .2s}.dag-node:hover circle{filter:brightness(1.2)}.dag-link{stroke:var(--pixel-text-dim);stroke-width:2;fill:none}.dag-link.confounded{stroke:var(--pixel-danger);stroke-dasharray:4,4}.pixel-decoration{position:absolute;font-family:"Press Start 2P",cursive;font-size:.6rem;color:var(--pixel-text-dim);opacity:.3}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.blink{animation:blink 1s infinite}@keyframes scanline{0%{transform:translateY(0)}to{transform:translateY(4px)}}.scanline{animation:scanline .1s linear infinite}@media(max-width:768px){.app{padding:8px}.header{padding:20px 12px}.header h1,.header p{font-size:1rem}.nav{grid-template-columns:repeat(2,1fr);gap:8px}.nav-btn{padding:10px}.nav-title{font-size:1rem}.nav-desc{font-size:.75rem}.content{padding:12px;min-height:400px}.controls{flex-direction:column;gap:12px}.slider-group{min-width:100%}.visualization{min-height:250px;padding:12px}.stat-grid{grid-template-columns:repeat(2,1fr);gap:8px}.stat-value{font-size:.8rem}.stat-label{font-size:.7rem}.formula{font-size:.9rem;padding:10px}}.aqrab-badge-mini{position:absolute;top:10px;right:10px;z-index:5;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:9999px;background:#fff8f0;border:1px solid #FDE68A;color:#b45309;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:12px;font-weight:600;line-height:1;letter-spacing:.02em;text-decoration:none;transition:background .2s ease,transform .2s ease}.aqrab-badge-mini:hover{background:#fef3c7;transform:translateY(-1px);text-decoration:none}.aqrab-cta-band{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:24px;padding:16px 20px;border-radius:12px;background:linear-gradient(90deg,#fef3c7,#fffbeb);border:1px solid #FDE68A;color:#b45309;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;font-weight:500;text-decoration:none;transition:background .2s ease}.aqrab-cta-band:hover{background:#fde68a;text-decoration:none}.aqrab-cta-band strong{color:#d97706;font-weight:700}.aqrab-cta-band-arrow{transition:transform .2s ease}.aqrab-cta-band:hover .aqrab-cta-band-arrow{transform:translate(3px)}@media(max-width:480px){.aqrab-badge-mini{position:static;display:inline-flex;margin:0 auto 10px}.aqrab-cta-band{flex-direction:column;gap:4px;text-align:center}}