/* Extracted unchanged from register.php for repeat-visit caching. */
.register-shell { position: relative; }
.register-input:focus {
    border-color: #42D8CD;
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(86,199,196,0.14);
}
.register-alert {
    border-radius: 18px;
    padding: 14px 16px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.45;
}
.register-alert.success {
    color: #0f766e;
    background: rgba(86,199,196,0.12);
    border: 1px solid rgba(86,199,196,0.28);
}
.register-alert.error {
    color: #b91c1c;
    background: #fef2f2;
    border: 1px solid #fecaca;
}
.otp-input-single {
    width: 100%;
    height: 64px;
    border: 2px solid #e5e7eb;
    border-radius: 18px;
    background: #ffffff;
    font-size: 30px;
    font-weight: 900;
    color: #073940;
    text-align: center;
    letter-spacing: 14px;
    outline: none;
    transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 2px 8px rgba(8,8,8,0.04);
    -webkit-appearance: none;
    appearance: none;
}
.otp-input-single:focus {
    border-color: #42D8CD;
    box-shadow: 0 0 0 4px rgba(86,199,196,0.14), 0 4px 16px rgba(86,199,196,0.12);
}
@media (max-width: 480px) {
    .otp-input-single {
        height: 58px;
        font-size: 25px;
        letter-spacing: 10px;
        border-radius: 15px;
    }
}