.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

.modal-content {
    background-color: #ffffff;
    margin: 12% auto;
    padding: 30px 25px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    width: 90%;
    max-width: 400px;
    text-align: center;
    font-family: 'Segoe UI', sans-serif;
}

.close {
    color: #aaa;
    float: right;
    font-size: 26px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s ease;
}

    .close:hover {
        color: #333;
    }

.otp-input {
    width: 100%;
    padding: 12px;
    margin-top: 16px;
    font-size: 20px;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 8px;
    transition: all 0.2s ease-in-out;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

    .otp-input:focus {
        border-color: #0e71b5;
        box-shadow: 0 0 5px rgba(14, 113, 181, 0.5);
        outline: none;
    }

.btn-verificar {
    margin-top: 20px;
    padding: 12px 25px;
    background: linear-gradient(90deg, #0e71b5, #3da9fc);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

    .btn-verificar:hover {
        transform: scale(1.03);
        box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    }

    .btn-verificar:active {
        transform: scale(0.97);
    }

#lblErrorOTP {
    margin-top: 12px;
    display: block;
    font-size: 14px;
    color: red;
}