.sb-wrap{border:1px solid #e5e7eb;border-radius:12px;padding:16px;max-width:760px;background:#fff}
.sb-form .sb-row{margin:10px 0}
.sb-form label{display:block;font-weight:600;margin-bottom:6px}
.sb-form input[type=text], .sb-form input[type=email], .sb-form input[type=date], .sb-form input[type=time], .sb-form select, .sb-form textarea{
  width:100%;padding:10px;border:1px solid #d1d5db;border-radius:10px
}
.sb-inline{display:flex;gap:10px}
.sb-inline input{width:50%}
.sb-btn{padding:10px 14px;border-radius:10px;border:0;background:#111827;color:#fff;cursor:pointer}
.sb-hint{font-size:12px;color:#6b7280;margin-top:6px}
.sb-msg{padding:10px;border-radius:10px;margin:10px 0}
.sb-ok{background:#ecfdf5;border:1px solid #34d399}
.sb-err{background:#fef2f2;border:1px solid #f87171}