* {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
}

body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #1a162a;
    padding: 1rem;
}

#form {
    background-color: #151220;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-radius: 0.5rem;
    width: 100%;
}

#form-title {
    color: #fff;
    margin: 0;
    text-align: center;
}

.input-div {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-input {
    outline: none;
    border: none;
    border-radius: 0.5rem;
    padding: 0.5rem;
    color: #f8fafc;
    background-color: #475569;
}

.form-input::placeholder {
    color: #c4c4c4;
}

.information {
    margin: 0;
    color: #c4c4c4;
    display: none;
}

#phone-code {
    color: #f8fafc;
    background-color: #475569;
    border-radius: 0.5rem;
    padding: 1rem;
}

#phone-container {
    display: flex;
    gap: 0.5rem;
}

#phone {
    width: 100%;
}

#form-btm {
    padding: 1rem;
    background-color: #22c55e;
    color: #f8fafc;
    border-radius: 0.5rem;
    cursor: pointer;
}

#form-btm:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.correct {
    outline: 2px solid #22c55e;
}

.incorrect {
    outline: 2px solid #ef4444;
}

.show-information {
    display: block;
}

@media (min-width: 640px) {
    #form {
        width: 50%;
    }

}