.oa-box{max-width:760px;margin:20px auto;padding:16px;border:1px solid #e2e8f0;border-radius:12px;background:#fff}
.oa-btn{display:inline-block;background:#2563eb;color:#fff;text-decoration:none;padding:10px 14px;border-radius:10px;border:0}
.oa-btn:hover{background:#1d4ed8}
.oa-error{color:#b91c1c}
input,select,textarea{padding:8px;border:1px solid #cbd5e1;border-radius:8px;width:100%;max-width:520px}
.oa-row{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5e7eb;padding:8px 0}
.oa-actions{display:flex;gap:6px;flex-wrap:wrap}
.oa-tag{padding:6px 10px;border-radius:999px;border:1px solid #cbd5e1;background:#f8fafc}
.oa-tag.active{background:#16a34a;color:#fff;border-color:#16a34a}