* {
    margin: 0;
    padding: 0;

    box-sizing: border-box;
}

body {
    width: 100%;
    height: 100dvh;

    display: flex;
    flex-direction: column;

    justify-content: center;
    align-items: center;

    background-color: #000000;
    padding: 15px;

    font-family: monospace;
    color: #ffffff;
}

h2 {
    font-size: 25px;
}

form {
    width: 100%;
    max-width: 500px;

    display: flex;
    flex-direction: column;

    justify-content: center;
    align-items: center;

    background: rgba(22, 21, 22, 0.5);
    border-radius: 5px;

    padding: 15px;
    gap: 10px;
}

form input {
    width: 100%;
    padding: 10px;

    border: none;
    outline: none;

    font-size: 18px;
    color: #0088cc;

    border-radius: 2.5px;
}

form input::placeholder {
    color: #0088cc;
    opacity: 0.9;
}

form button {
    font-family: monospace;
    font-size: 18px;

    width: 100%;
    padding: 10px;

    background-color: #0088cc;
    color: #ffffff;

    border: none;
    outline: none;

    border-radius: 2.5px;
    cursor: pointer;

    transition: 0.3s ease-out;
}

form button:hover {
    background-color: #66ccee;
}

form p.error {
    width: 100%;
    height: auto;

    padding: 10px;
    border-radius: 2.5px;

    background-color: rgba(255, 0, 0, 0.5);
    font-size: 15px;
}

form p.error:not(.visible) {
    display: none;
}