* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

html {
    font-size: 62.5%;
}

#container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 1.5rem;
    background-color: #f5f7fb;
}

.pass_container {
    width: 90%;
    max-width: 42rem;
    background-color: white;
    text-align: center;
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.pass_container > *:not(:last-child, h1) {
    margin-bottom: 2rem;
}

.pass_container h1 {
    font-size: 2.5rem;
    letter-spacing: 0.1rem;
    margin-bottom: 3rem;
}

.pass_container .pass_input {
    display: flex;
    gap: 1rem;
}

.pass_input input {
    flex-grow: 1;
    padding: 0.7rem 1rem;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-size: 1.6rem;
    transition: all 0.3s ease;
}

.pass_input input:focus {
    outline: none;
    border: 1px solid #2563eb;
}

.pass_input button {
    background-color: #2563eb;
    color: white;
    border: none;
    padding: 0.7rem 1rem;
    border-radius: 5px;
    font-size: 1.6rem;
}

.pass_container p {
    font-size: 1.6rem;
}
 
.pass_container p span {
    color: #2563eb;
    letter-spacing: 0.1rem;
}

@media (max-width: 550px) {
    html {
        font-size: 55%;
    }

    #container {
        padding: 0 0;
    }

    .pass_container .pass_input {
        flex-direction: column;
    }
}