:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#1f2937;background:linear-gradient(to bottom,#f9fafb,#f3f4f6)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;padding:1rem}.app{max-width:700px;margin:0 auto;padding:0 1rem 3rem}.hero{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:24px;padding:3rem 2rem;text-align:center;color:#fff;margin:2rem 0;box-shadow:0 20px 60px #667eea4d}.hero-title{font-size:2.5rem;margin:0 0 .5rem;font-weight:800;letter-spacing:-.02em}.hero-subtitle{font-size:1.125rem;margin:0;opacity:.95;font-weight:400}.steps{display:flex;align-items:center;justify-content:center;gap:.5rem;margin:2rem 0;padding:0 1rem}.step{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1rem;background:#fff;border:2px solid #e5e7eb;border-radius:12px;cursor:pointer;transition:all .3s ease;min-width:80px}.step:hover:not(:disabled){border-color:#667eea;transform:translateY(-2px);box-shadow:0 8px 16px #667eea26}.step.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:transparent;box-shadow:0 8px 20px #667eea66}.step.completed{border-color:#10b981;background:#ecfdf5}.step:disabled{opacity:.4;cursor:not-allowed}.step-number{font-size:1.25rem;font-weight:700}.step-label{font-size:.875rem;font-weight:600}.step-divider{width:40px;height:2px;background:#e5e7eb;flex-shrink:0}.error-banner{background:#fef2f2;border:1px solid #fecaca;border-radius:12px;padding:1rem 1.25rem;color:#991b1b;font-weight:500;margin:1rem 0;box-shadow:0 2px 8px #ef44441a}.panel{background:#fff;border-radius:16px;padding:2rem;margin:1.5rem 0;box-shadow:0 4px 20px #00000014;border:1px solid #f3f4f6;transition:all .3s ease}.panel.hidden{display:none}.panel.visible{animation:slideIn .4s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.panel h2{margin:0 0 .5rem;font-size:1.5rem;font-weight:700;color:#1f2937}.panel-description{margin:0 0 1.5rem;color:#6b7280;font-size:.9375rem}.form{display:grid;gap:1.25rem}.form label{display:grid;gap:.5rem;font-weight:600;font-size:.875rem;color:#374151;text-transform:uppercase;letter-spacing:.025em}.form input{font:inherit;padding:.75rem 1rem;border:2px solid #e5e7eb;border-radius:10px;font-size:1rem;transition:all .2s ease;background:#fff}.form input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.btn-primary{padding:.875rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:12px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 14px #667eea66;justify-self:start}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea80}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.success-message{margin-top:1.5rem;padding:1.25rem;background:linear-gradient(135deg,#ecfdf5,#d1fae5);border:1px solid #10b981;border-radius:12px;display:flex;gap:1rem;align-items:flex-start;animation:slideIn .4s ease}.success-icon{font-size:1.5rem;flex-shrink:0}.success-message p{margin:0;color:#065f46;font-weight:500;line-height:1.5}.success-message code{background:#0596691a;padding:.125rem .5rem;border-radius:6px;font-family:Courier New,monospace;font-weight:600;color:#047857}.success-message.ranking{background:linear-gradient(135deg,#fef3c7,#fde68a);border-color:#f59e0b}.ranking-info{display:flex;gap:2rem}.ranking-info p{margin:0;color:#92400e;font-size:1.125rem}.ranking-info strong{font-weight:700}