*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#f7f8fa;color:#1f2937}.container{max-width:1200px;margin:0 auto;padding:1rem}.card{background:#fff;border-radius:12px;box-shadow:0 1px 3px #0000001a;padding:1.5rem;margin-bottom:1rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.6rem 1.2rem;border:none;border-radius:8px;cursor:pointer;font-weight:600;transition:background .2s}.btn.primary{background:#2563eb;color:#fff}.btn.secondary{background:#e5e7eb;color:#374151}.btn:disabled{opacity:.6;cursor:not-allowed}input,select,textarea{width:100%;padding:.6rem .8rem;border:1px solid #d1d5db;border-radius:8px;font-size:1rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.4rem;font-weight:500}