.btn{padding:.6rem 1.2rem;border-radius:8px;border:none;font-weight:600;cursor:pointer;font-size:.95rem;transition:opacity .15s ease}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:hover:not(:disabled){opacity:.9}.btn-primary{background:#f6821f;color:#fff}.btn-secondary{background:#1f2937;color:#fff}.btn-danger{background:#dc2626;color:#fff}.input{padding:.6rem .8rem;border-radius:8px;border:1px solid #d1d5db;font-size:.95rem;width:100%;box-sizing:border-box}.input:focus{outline:2px solid #f6821f;border-color:transparent}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f3f4f6;color:#111827}@keyframes spin{to{transform:rotate(360deg)}}