@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap");
* {
margin: 0;
padding: 0;
box-sizing: border-box;
outline: none;
}
body {
background-color: #f9fafb;
font-family: "Open Sans", sans-serif;
height: 100vh;
display: flex;
align-items: center;
justify-content: center;
}
.container {
background-color: #fff;
border-radius: 5px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
width: 400px;
padding: 30px 40px;
}
.container h1 {
text-align: center;
margin: 0 0 20px;
font-size: 24px;
}
.input {
margin-bottom: 20px;
position: relative;
}

.input input {
width: 100%;
height: 40px;
padding: 0 15px;
background-color: transparent;
border: 2px solid #f0f0f0;
border-radius: 5px;
}
.input small {
display: block;
color: #e74c3c;
font-weight: bold;
font-size: 11px;
padding-top: 3px;
visibility: hidden;
}
.input.success input {
border: 2px solid #2ecc71;
}
.input.error input {
border: 2px solid #e74c3c;
}
.input.error small {
visibility: visible;
}
button {
width: 100%;
height: 40px;
line-height: 40px;
background-color: #3498db;
border: 1px solid #3498db;
border-radius: 5px;
cursor: pointer;
color: #fff;
display: block;
font-size: 16px;
}
.input label {
display: block;
margin-bottom: 10px;
}