#sdac-box{
    max-width:420px;margin:25px auto;padding:22px;
    background:#ffffff;border-radius:18px;
    box-shadow:0 8px 28px rgba(0,0,0,0.08);
    font-family:Inter,Arial;
}
.sdac-title{text-align:center;font-size:22px;font-weight:700;margin-bottom:15px;color:#1c3b62}
.sdac-input-block label{font-weight:600;margin-bottom:6px;display:block}
.sdac-input-block input{
    width:100%;padding:12px;border-radius:12px;border:1px solid #cfd9e6;font-size:16px;
}
#sdac-btn{
    width:100%;margin-top:14px;padding:13px;font-size:17px;
    background:#2b77ff;color:#fff;border:none;border-radius:12px;
    cursor:pointer;font-weight:700;transition:0.25s;
}
#sdac-btn:hover{background:#175de4}
#sdac-output{margin-top:20px}
.sdac-result-card{
    background:#f5faff;border-left:5px solid #2b77ff;padding:18px;border-radius:14px;
    animation:fadeIn 0.45s ease;
}
.sdac-hidden{display:none}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}