@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Space+Grotesk:wght@400;700&display=swap";:root{--bg-color:#050508;--panel-bg:#ffffff08;--panel-border:#ffffff14;--text-main:#f3f4f6;--text-muted:#9ca3af;--accent-purple:#8b5cf6;--accent-purple-glow:#8b5cf666;--accent-green:#10b981;--accent-red:#ef4444;--accent-gold:#f59e0b}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);background-image:radial-gradient(circle at 15%,#8b5cf614,#0000 25%),radial-gradient(circle at 85% 30%,#10b9810d,#0000 25%);min-height:100vh;font-family:Inter,sans-serif;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:Space Grotesk,sans-serif}.app-container{flex-direction:column;min-height:100vh;display:flex}.header{border-bottom:1px solid var(--panel-border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#050508b3;justify-content:space-between;align-items:center;padding:1.5rem 3rem;display:flex;position:sticky;top:0}.logo{letter-spacing:-.5px;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;display:flex}.logo-highlight{color:var(--accent-purple);text-shadow:0 0 10px var(--accent-purple-glow)}.main-content{flex:1;gap:2rem;width:100%;max-width:1400px;margin:0 auto;padding:2rem 3rem;display:flex}.sidebar{flex-direction:column;flex-shrink:0;gap:1rem;width:300px;display:flex}.nav-item{color:var(--text-muted);text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:12px;align-items:center;gap:.75rem;padding:1rem 1.25rem;font-family:Inter,sans-serif;font-size:1rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.nav-item:hover{background:var(--panel-bg);color:var(--text-main)}.nav-item.active{background:var(--panel-bg);border:1px solid var(--accent-purple);color:var(--text-main);box-shadow:0 0 15px #8b5cf626}.nav-icon{width:20px;height:20px}.nav-item.active .nav-icon{color:var(--accent-purple)}.content-area{background:var(--panel-bg);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;flex:1;padding:2.5rem;position:relative;overflow:hidden}.module-header{margin-bottom:2rem}.module-tag{color:var(--accent-purple);text-transform:uppercase;letter-spacing:1px;background:#8b5cf626;border-radius:20px;margin-bottom:1rem;padding:.25rem .75rem;font-size:.75rem;font-weight:700;display:inline-block}.module-title{background:linear-gradient(90deg,#fff,#9ca3af);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:1rem;font-size:2.5rem}.module-desc{color:var(--text-muted);font-size:1.1rem;line-height:1.6}.viz-container{border:1px solid var(--panel-border);background:#0006;border-radius:12px;justify-content:center;align-items:center;width:100%;height:400px;margin:2rem 0;display:flex;position:relative;overflow:hidden}.chart-line{stroke-dasharray:1000;stroke-dashoffset:1000px;animation:2s ease-out forwards drawLine}@keyframes drawLine{to{stroke-dashoffset:0}}.fib-level{opacity:0;animation:.5s ease-out forwards fadeIn}@keyframes fadeIn{to{opacity:1}}.step-controls{gap:1rem;margin-top:2rem;display:flex}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-weight:600;transition:all .2s;display:flex}.btn-primary{background:var(--accent-purple);color:#fff}.btn-primary:hover{box-shadow:0 0 15px var(--accent-purple-glow);background:#7c3aed}.btn-secondary{color:#fff;background:#ffffff1a}.btn-secondary:hover{background:#ffffff26}.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.explanation-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:2rem;display:grid}.card{background:#ffffff05;border:1px solid #ffffff0d;border-radius:12px;padding:1.5rem;transition:transform .3s}.card:hover{background:#ffffff0a;border-color:#8b5cf64d;transform:translateY(-5px)}.card-icon{color:var(--accent-purple);margin-bottom:1rem}.card-title{color:var(--text-main);margin-bottom:.5rem;font-size:1.1rem}.card-text{color:var(--text-muted);font-size:.9rem;line-height:1.5}.color-green{color:var(--accent-green)}.color-red{color:var(--accent-red)}.color-gold{color:var(--accent-gold)}