@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    background-color: #ebebeb;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn .8s .3s ease both;    
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(-30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.container-title {
    margin-bottom: 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: 40px;
    color: #000000;
    text-decoration: underline;
    text-underline-offset: 10px;
}


.cards-row {
    display: flex;
    gap: 50px;
    align-items: flex-end;
}

.calculator-container {
    width: 100%;
    max-width: 320px;
    border: 2px solid #000000;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 0 5px 6px rgba(48, 48, 48, 0.2);
    animation: fadeIn .8s .5s ease both; 
} 

.calculator-container p {
    color: #000000;
    font-family: 'Montserrat', sans-serif;
    font-size: .92rem;
    margin-bottom: 10px;
    font-weight: bold;
}

.calculator-container input {
    border: 1px solid #000000;
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 10px;
    background-color: #ebebeb;
    box-shadow: 0 0 5px 6px rgba(48, 48, 48, 0.2);
    text-decoration: none;
}

.calculator-container input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

#submitBtn {
    padding: 8px 6px;
    color: #ebebeb;
    border: 1px solid #000000;
    border-radius: 6px;
    background-color: #000000;
    transition: all .3s ease;
    cursor: pointer;
    box-shadow: 0 7px 6px -1px rgba(0, 0, 0, 0.5);
}

#submitBtn:hover {
    transform: translateY(2px);
}

.grade-container {
    width: 100%;
    max-width: 500px;
    border: 2px solid #000000;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 25px;
    box-shadow: 0 0 5px 6px rgba(48, 48, 48, 0.2);
    animation: fadeIn .8s .7s ease both; 
}

.grade-container p {
    color: #000000;
    font-family: 'Montserrat', sans-serif;
    font-size: .92rem;
    text-align: justify;
}

.pass-grade {color: #3ab13a !important; font-weight: bold;}

.fail-grade {color: rgb(211, 18, 18) !important; font-weight: bold; }

@media (max-width: 768px) {
    .cards-row {
        flex-direction: column;
        align-items: center;
    }

    .calculator-container,
    .grade-container {
        max-width: 100%;
        width: 100%;
    }
}