:root{--navbar-height: 80px;--navbar-bg-primary: #0f0f23;--navbar-bg-secondary: #1a1a2e;--navbar-accent: #6366f1;--navbar-accent-hover: #8b5cf6;--navbar-text: #ffffff;--navbar-text-muted: #a1a1aa;--navbar-glass: rgba(255, 255, 255, .1);--navbar-glass-hover: rgba(255, 255, 255, .15);--navbar-shadow: 0 8px 32px rgba(0, 0, 0, .3);--navbar-border: rgba(255, 255, 255, .18);--transition-smooth: all .4s cubic-bezier(.25, .46, .45, .94);--transition-bounce: all .6s cubic-bezier(.68, -.55, .265, 1.55)}.navbar{background:linear-gradient(135deg,var(--navbar-bg-primary) 0%,var(--navbar-bg-secondary) 100%);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);height:var(--navbar-height);display:flex;justify-content:center;align-items:center;font-size:1.1rem;position:sticky;top:0;z-index:999;box-shadow:var(--navbar-shadow);border-bottom:1px solid var(--navbar-border);transition:var(--transition-smooth)}.navbar:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--navbar-accent),transparent);opacity:.6}.navbar-container{display:flex;justify-content:space-between;align-items:center;height:var(--navbar-height);width:100%;max-width:1400px;margin:0 auto;padding:0 2rem;position:relative}.navbar-logo{color:var(--navbar-text);text-decoration:none;font-size:1.8rem;font-weight:800;transition:var(--transition-smooth);position:relative;letter-spacing:-.02em}.navbar-logo:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--navbar-accent),var(--navbar-accent-hover));transition:width .3s ease;border-radius:2px}.navbar-logo:hover:after{width:100%}.nav-menu{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:.5rem}.nav-item{position:relative}.nav-links{color:var(--navbar-text);display:flex;align-items:center;text-decoration:none;padding:.75rem 1.5rem;height:auto;border-radius:12px;font-weight:500;font-size:.95rem;transition:var(--transition-smooth);position:relative;background:transparent;border:1px solid transparent;letter-spacing:.01em}.nav-links:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:var(--navbar-glass);border-radius:12px;opacity:0;transition:opacity .3s ease;z-index:-1}.nav-links:hover{color:var(--navbar-text);transform:translateY(-2px);border-color:var(--navbar-border);box-shadow:0 8px 25px #6366f133}.nav-links:hover:before{opacity:1}.nav-links.active{background:linear-gradient(135deg,var(--navbar-accent) 0%,var(--navbar-accent-hover) 100%);color:#fff;border-color:var(--navbar-accent);box-shadow:0 4px 15px #6366f166}.nav-links.active:before{opacity:0}.menu-icon{display:none}@media (max-width: 768px){.navbar-container{padding:0 1.5rem}.navbar-logo{font-size:1.4rem;z-index:1001}.menu-icon{display:flex;flex-direction:column;justify-content:center;align-items:center;width:32px;height:32px;cursor:pointer;z-index:1001;transition:var(--transition-smooth);border-radius:8px;background:var(--navbar-glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--navbar-border);padding:6px}.menu-icon:hover{transform:scale(1.05);background:var(--navbar-glass-hover);box-shadow:0 4px 15px #6366f133}.menu-icon .bar{width:20px;height:2px;background:linear-gradient(90deg,var(--navbar-text),var(--navbar-accent));border-radius:2px;margin:2px 0;transition:var(--transition-smooth);transform-origin:center}.menu-icon.active{background:var(--navbar-accent);border-color:var(--navbar-accent-hover);transform:rotate(180deg)}.menu-icon.active .bar{background:white}.menu-icon.active .bar:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.menu-icon.active .bar:nth-child(2){opacity:0;transform:scale(0)}.menu-icon.active .bar:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.nav-menu{position:fixed;top:0;left:0;width:100%;height:100vh;background:linear-gradient(135deg,rgba(15,15,35,.95) 0%,rgba(26,26,46,.95) 50%,rgba(99,102,241,.1) 100%);backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);flex-direction:column;justify-content:center;align-items:center;transform:translate(-100%) scale(.8);opacity:0;visibility:hidden;transition:var(--transition-bounce);border-right:1px solid var(--navbar-border)}.nav-menu:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 20%,rgba(99,102,241,.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(139,92,246,.1) 0%,transparent 50%),radial-gradient(circle at 40% 60%,rgba(59,130,246,.05) 0%,transparent 50%);pointer-events:none}.nav-menu.active{transform:translate(0) scale(1);opacity:1;visibility:visible}.nav-item{width:auto;height:auto;margin:1.5rem 0;transform:translateY(60px) rotateX(45deg);opacity:0;transition:var(--transition-smooth)}.nav-menu.active .nav-item{transform:translateY(0) rotateX(0);opacity:1}.nav-menu.active .nav-item:nth-child(1){transition-delay:.1s}.nav-menu.active .nav-item:nth-child(2){transition-delay:.2s}.nav-links{font-size:1.4rem;font-weight:600;padding:1.2rem 2.5rem;border-radius:16px;background:var(--navbar-glass);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border:1px solid var(--navbar-border);transition:var(--transition-smooth);text-align:center;min-width:220px;position:relative;overflow:hidden;letter-spacing:.02em}.nav-links:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.nav-links:hover:after{left:100%}.nav-links:hover{background:var(--navbar-glass-hover);transform:translateY(-5px) scale(1.02);box-shadow:0 15px 35px #0003,0 5px 15px #6366f14d;border-color:var(--navbar-accent)}.nav-links.active{background:linear-gradient(135deg,var(--navbar-accent) 0%,var(--navbar-accent-hover) 100%);border-color:var(--navbar-accent-hover);color:#fff;box-shadow:0 15px 35px #6366f166,inset 0 1px #fff3}.nav-menu:after{content:"";position:absolute;bottom:2rem;left:50%;transform:translate(-50%);width:40px;height:4px;background:linear-gradient(90deg,var(--navbar-accent),var(--navbar-accent-hover));border-radius:2px;opacity:.6}}@media (max-width: 480px){.navbar-container{padding:0 1rem}.navbar-logo{font-size:1.2rem}.menu-icon{width:28px;height:28px;padding:4px}.menu-icon .bar{width:18px;height:2px}.nav-links{font-size:1.2rem;min-width:200px;padding:1rem 2rem}}body.menu-open{overflow:hidden;position:fixed;width:100%}@media (min-width: 769px){.nav-links{position:relative;overflow:hidden}.nav-links:after{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:radial-gradient(circle,rgba(99,102,241,.2) 0%,transparent 70%);transition:all .4s ease;transform:translate(-50%,-50%);border-radius:50%}.nav-links:hover:after{width:200px;height:200px}}.navbar.scrolled{background:rgba(15,15,35,.9);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);box-shadow:0 10px 40px #0006}@keyframes navbarSlideIn{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.navbar{animation:navbarSlideIn .6s ease-out}.nav-links:active{transform:scale(.95)}.menu-icon:active{transform:scale(.9)}.nav-links:focus,.menu-icon:focus{outline:2px solid var(--navbar-accent);outline-offset:2px}@media (prefers-contrast: high){.navbar{background:#000000;border-bottom:2px solid #ffffff}.navbar-logo,.nav-links{color:#fff}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}:root{--primary-color: #4f46e5;--secondary-color: #10b981;--background-color: #f3f4f6;--text-color: #1f2937;--container-bg: #ffffff;--card-bg: #ffffff;--border-color: #e5e7eb;--shadow-color: rgba(0, 0, 0, .05)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.6;margin:0}.container{max-width:1200px;margin:0 auto;padding:2rem}h2{font-size:2rem;font-weight:700;color:var(--text-color);margin-bottom:1.5rem;padding-bottom:.5rem;border-bottom:2px solid var(--border-color)}section{background:var(--container-bg);padding:2rem;border-radius:16px;box-shadow:0 10px 15px -3px var(--shadow-color),0 4px 6px -2px var(--shadow-color);margin-bottom:2.5rem}form{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}label{display:flex;flex-direction:column;font-weight:500;font-size:.9rem;color:#4b5563}input[type=text],input[type=number],select{padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;background-color:#f9fafb;transition:border-color .2s,box-shadow .2s}input[type=text]:focus,input[type=number]:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e533}select{cursor:pointer}select option{padding:.5rem}button[type=submit]{grid-column:1 / -1;padding:.875rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .3s,transform .2s}button[type=submit]:hover{background-color:#4338ca;transform:translateY(-2px)}button:disabled{background-color:#a5b4fc;cursor:not-allowed}#result{padding:1.5rem;border-radius:12px;background-color:#eef2ff;border:1px solid #c7d2fe;margin-top:1.5rem;animation:fadeIn .5s ease-out}#result h3{color:var(--primary-color);margin-top:0}.cluster-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.cluster-card{background:var(--card-bg);padding:1.5rem;border-radius:12px;border:1px solid var(--border-color);transition:transform .3s,box-shadow .3s,border-color .3s}.cluster-card.active{transform:translateY(-5px);box-shadow:0 10px 15px -3px #4f46e51a,0 4px 6px -2px #4f46e50d;border-color:var(--primary-color)}.cluster-card h3{color:var(--primary-color);margin-top:0}.eda-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(500px,1fr));gap:2rem}.eda-image{text-align:center;background:var(--card-bg);padding:1.5rem;border-radius:12px;border:1px solid var(--border-color);transition:transform .3s,box-shadow .3s}.eda-image:hover{transform:translateY(-5px);box-shadow:0 10px 15px -3px var(--shadow-color),0 4px 6px -2px var(--shadow-color)}.eda-image img{max-width:100%;object-fit:cover;border-radius:8px}@media (max-width: 768px){section{padding:1rem}h2{font-size:1.8rem;margin-bottom:1rem}.navbar ul{flex-direction:column;align-items:center;padding-top:1rem}.navbar li{margin:.5rem 0}.eda-grid{grid-template-columns:1fr;gap:1.5rem;padding:0}.eda-image h3{font-size:1rem}.prediction-form{grid-template-columns:1fr;gap:.5rem;padding:0}.form-group{padding:0}.form-group label{font-size:.9rem;margin-bottom:4px}.form-group input,.form-group select{padding:.7rem;font-size:1rem}.btn-predict{width:100%;padding:.8rem;font-size:1.1rem;margin-top:1rem}.cluster-info h3{font-size:1.5rem}.cluster-groups{grid-template-columns:1fr;gap:1rem}.cluster-card{padding:1rem}form{grid-template-columns:1fr}label{grid-column:1 / -1}.result-card{padding:1rem}}.error-message{color:#ef4444;font-weight:500;background-color:#fee2e2;padding:1rem;border-radius:8px;border:1px solid #fca5a5}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}