.onboarding-overlay{position:fixed;inset:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:9999;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.onboarding-container{background:#fff;border-radius:16px;max-width:900px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d;animation:slideUp .4s ease}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.onboarding-header{background:linear-gradient(135deg,#006ba6,#0077b6);color:#fff;padding:2.5rem 2rem;border-radius:16px 16px 0 0;position:relative}.onboarding-header h1{font-size:2.25rem;font-weight:700;margin:0 0 .5rem}.onboarding-header p{font-size:1.125rem;margin:0;opacity:.95}.skip-btn{position:absolute;top:1.5rem;right:1.5rem;background:#fff3;border:2px solid rgba(255,255,255,.5);color:#fff;padding:.5rem 1rem;border-radius:6px;font-weight:600;cursor:pointer;transition:all .2s ease}.skip-btn:hover{background:#ffffff4d;border-color:#fff}.progress-bar-container{padding:2rem 2rem 1rem;background:#f8f9fa}.progress-steps{display:flex;align-items:center;justify-content:center;gap:1rem}.progress-dot{width:40px;height:40px;border-radius:50%;background:#e0e7ed;color:#6b7280;display:flex;align-items:center;justify-content:center;font-weight:700;transition:all .3s ease}.progress-dot.active{background:#006ba6;color:#fff;transform:scale(1.1)}.progress-line{width:60px;height:3px;background:#e0e7ed}.onboarding-content{padding:2rem;min-height:400px}.question-step h2{font-size:1.75rem;color:#1f2937;margin-bottom:2rem;font-weight:700;text-align:center}.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.option-card{background:#fff;border:3px solid #E5E7EB;border-radius:12px;padding:2rem 1.5rem;cursor:pointer;transition:all .3s ease;text-align:center;position:relative}.option-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f}.option-card.clinical:hover{border-color:#3b82f6;background:#eff6ff}.option-card.research:hover{border-color:#9333ea;background:#faf5ff}.option-card.explorer:hover,.option-card.complete-data:hover{border-color:#10b981;background:#ecfdf5}.option-card.partial-data:hover{border-color:#f59e0b;background:#fef3c7}.option-card.cohort-validation:hover{border-color:#9333ea;background:#faf5ff}.option-card.custom-code:hover{border-color:#6366f1;background:#eef2ff}.option-icon{font-size:3rem;margin-bottom:1rem}.option-card h3{font-size:1.25rem;font-weight:700;color:#1f2937;margin:0 0 .5rem}.option-card p{font-size:.95rem;color:#6b7280;margin:0;line-height:1.5}.badge{display:inline-block;padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:700;text-transform:uppercase;margin-top:.75rem}.badge.recommended{background:#d1fae5;color:#065f46}.recommendation-step{animation:slideIn .4s ease}@keyframes slideIn{0%{transform:translate(30px);opacity:0}to{transform:translate(0);opacity:1}}.recommendation-card{background:linear-gradient(135deg,#fff,#f0f7fc);border:2px solid #006BA6;border-radius:12px;padding:2.5rem;margin-bottom:2rem}.tool-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}.tool-icon{font-size:3rem}.tool-header h2{font-size:2rem;color:#006ba6;margin:0;font-weight:700}.tool-description{font-size:1.125rem;color:#4b5563;line-height:1.7;margin-bottom:1.5rem}.what-you-need,.what-you-see{background:#fff;padding:1.5rem;border-radius:8px;margin-bottom:1.5rem;border-left:4px solid #006BA6}.what-you-need h4,.what-you-see h4{font-size:1rem;font-weight:700;color:#1f2937;margin:0 0 1rem}.what-you-need ul,.what-you-see ul{list-style:none;padding:0;margin:0}.what-you-need li,.what-you-see li{padding:.5rem 0;color:#374151;border-bottom:1px solid #E5E7EB}.what-you-need li:last-child,.what-you-see li:last-child{border-bottom:none}.helpful-links{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2rem}.guide-link,.template-link{padding:.75rem 1.25rem;background:#006ba6;color:#fff;border-radius:8px;text-decoration:none;font-weight:600;font-size:.95rem;transition:all .2s ease;display:inline-block}.guide-link:hover,.template-link:hover{background:#005a8c;transform:translateY(-2px);box-shadow:0 4px 12px #006ba64d}.action-btn{padding:1rem 2rem;border:none;border-radius:8px;font-weight:700;font-size:1.125rem;cursor:pointer;transition:all .2s ease;width:100%}.action-btn.primary{background:#006ba6;color:#fff}.action-btn.primary:hover{background:#005a8c;transform:translateY(-2px);box-shadow:0 8px 20px #006ba640}.action-btn.large{font-size:1.25rem;padding:1.25rem 2.5rem}.back-btn{background:#fff;border:2px solid #D1D5DB;color:#374151;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:1rem}.back-btn:hover{background:#f3f4f6;border-color:#9ca3af}@media (max-width: 768px){.onboarding-container{width:95%;max-height:95vh}.onboarding-header h1{font-size:1.75rem}.options-grid{grid-template-columns:1fr}.tool-header{flex-direction:column;text-align:center}.helpful-links{flex-direction:column}}