*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #10131a;
    font-family: Arial;
    padding: 16px;
    box-sizing: border-box;
}
.card {
    background: #1c2230;
    padding: 40px;
    width: 400px;
    max-width: 90vw;
    border-radius: 15px;
    box-shadow: 0 0 25px rgba(0, 0, 0, .3);
}
@media (max-width: 480px) {
    .card {
        padding: 28px 20px;
    }
}
h2 {
    color: white;
    text-align: center;
}
p {
    color: #ccc;
    text-align: center;
}
input {
    width: 100%;
    padding: 12px;
    margin: 20px 0;
    border-radius: 8px;
    border: none;
    font-size: 15px;
}
button {
    width: 100%;
    padding: 12px;
    background: #4F7BFF;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
}
button:hover {
    opacity: .9
}
#message {
    margin-top: 15px;
    text-align: center;
}
.input-wrap {
    position: relative;
}
.toggle-eye {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: #888;
    width: auto;
    padding: 0;
}