*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f9fafb}.btn{padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;border:none;cursor:pointer;transition:all .2s}.btn-primary{background:#2563eb;color:#fff}.btn-primary:hover{background:#1d4ed8}.btn-secondary{background:#f3f4f6;color:#374151}.btn-success{background:#10b981;color:#fff}.btn-success:hover{background:#059669}.btn-danger{background:#ef4444;color:#fff}.btn-danger:hover{background:#dc2626}.card{background:#fff;padding:1.5rem;border-radius:.5rem;box-shadow:0 1px 3px #0000001a}.input,.textarea{width:100%;padding:.5rem 1rem;border:1px solid #d1d5db;border-radius:.5rem;font-size:1rem;font-family:inherit}.option-btn{width:100%;text-align:left;padding:.75rem 1rem;border-radius:.5rem;border:2px solid #e5e7eb;background:#fff;cursor:pointer}.option-btn.selected{border-color:#2563eb;background:#dbeafe}.spinner{border:3px solid #f3f4f6;border-top:3px solid #2563eb;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:0 auto}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}