.osdf-container{
    max-width:900px;
    margin:30px auto;
    background:#fff;
    padding:22px;
    border-radius:10px;
    box-shadow:0 6px 20px rgba(0,0,0,0.08);
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color:#222;
}
.osdf-container h3 { margin-top:18px; margin-bottom:10px; }
.osdf-row{ display:flex; gap:18px; flex-wrap:wrap; }
.osdf-row label{ flex:1 1 300px; display:block; }
.osdf-row input[type="text"],
.osdf-row input[type="email"],
.osdf-row input[type="date"],
.osdf-container input[type="text"],
.osdf-container input[type="email"],
.osdf-container input[type="date"],
.osdf-container textarea{
    width:100%;
    padding:10px 12px;
    border:1px solid #ddd;
    border-radius:6px;
    box-sizing:border-box;
    font-size:14px;
}
.osdf-container label{ font-weight:600; margin-bottom:6px; display:block; }
.osdf-container textarea{ min-height:70px; resize:vertical; }
.osdf-btn{
    background:#ff6600;
    color:#fff;
    padding:12px 22px;
    border:none;
    border-radius:8px;
    font-weight:700;
    cursor:pointer;
    font-size:15px;
}
.osdf-btn:hover{ opacity:0.95; }
.osdf-required{ color:#d33; margin-left:4px; font-weight:700; }
.osdf-success{ background:#e6ffed; border-left:4px solid #36a64f; padding:12px; margin-bottom:16px; border-radius:6px; }
@media (max-width:700px){
    .osdf-row{ flex-direction:column; }
}