:root{color-scheme:dark}:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg-dark: #0f172a;--bg-card: #1e293b;--text-main: #f8fafc;--text-muted: #94a3b8;--danger: #ef4444;--success: #22c55e;--border: #334155;--card-shadow: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-dark);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}.app-container{min-height:100vh;display:flex;flex-direction:column}nav{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;background:#0f172acc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border)}.logo{font-size:1.5rem;font-weight:700;background:linear-gradient(to right,#818cf8,#c084fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:flex;align-items:center;gap:.5rem}.nav-links{display:flex;gap:2rem}.nav-link{color:var(--text-muted);text-decoration:none;font-weight:500;transition:all .2s;cursor:pointer}.nav-link:hover,.nav-link.active{color:var(--text-main)}.main-content{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.card{background:var(--bg-card);border-radius:1rem;padding:2rem;border:1px solid var(--border);box-shadow:var(--card-shadow)}button{background:var(--primary);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;cursor:pointer;transition:background .2s}button:hover{background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}input{background:var(--bg-dark);border:1px solid var(--border);color:#fff;padding:.75rem;border-radius:.5rem;width:100%;outline:none}input:focus{border-color:var(--primary)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.feature-field{display:flex;flex-direction:column;gap:.5rem}.feature-field label{font-size:.875rem;color:var(--text-muted)}.result-section{margin-top:2rem;padding:2rem;border-radius:1rem;animation:fadeIn .5s ease-out}.prediction-badge{display:inline-block;padding:.5rem 1rem;border-radius:9999px;font-weight:700;text-transform:uppercase;margin-bottom:1rem}.badge-failed{background:var(--danger)}.badge-alive{background:var(--success)}.result-section.risk-high{background:linear-gradient(135deg,#ef44441a,#0f172a00);border:1px solid rgba(239,68,68,.3)}.result-section.risk-low{background:linear-gradient(135deg,#22c55e1a,#0f172a00);border:1px solid rgba(34,197,94,.3)}.spinner{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}