.snt-box {
    max-width: 420px;
    margin: 40px auto;
    padding: 25px;
    border-radius: 15px;
    background: linear-gradient(135deg,#ff416c,#ff4b2b);
    color: #fff;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}
.snt-box h2 {
    margin-bottom: 20px;
}
.snt-box input {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    border-radius: 8px;
    border: none;
}
.snt-box button {
    width: 100%;
    padding: 12px;
    background: gold;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
}
.snt-success {
    color: #0f0;
    text-align:center;
    margin-top:15px;
}
.snt-error {
    color: #fff;
    background: red;
    padding:10px;
    border-radius:8px;
    text-align:center;
    margin-top:15px;
}