@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');


:root {
    --primary-dark: #222831;
    --secondary-dark: #393E46;
    --yellow: #FFD369;
    --primary-white: #EEEEEE;
}

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

body {
    background: var(--secondary-dark);
    color: var(--primary-white);
}

nav {
    background: var(--yellow);
    display: flex;
    justify-content: center;
    gap: 1px;
    user-select: none;
}

nav a {
    text-decoration: none;
    color: var(--primary-dark);
    padding: 1rem;
}

nav a:hover {
    background: var(--secondary-dark);
    color: var(--yellow);
    transition: 200ms;
}

.active {
    background: var(--secondary-dark);
    color: var(--yellow);
}

header {
    padding: 2rem;
    display: grid; 
    place-items: center;
    user-select: none;
}

header h1 {
    color: var(--primary-white);
    font-size: 40px;
    color: var(--yellow);
    text-align: center;
}

/*
for isTriangle
*/

.isTriangle-section {
    display: grid;
    place-items: center;
    background: var(--primary-dark);
    width: 80%;
    margin: auto;
    padding: 2rem 2rem 0 2rem;
    border-radius: 10px;
}

.isTriangle-section label{
    padding-bottom: 1rem;
    font-size: 20px;
    font-weight: 600;
}

.isTriangle-section input {
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    background: var(--secondary-dark);
    color: var(--primary-white);
    border: none;
    border-radius: 5px;
    outline: none;
    font-size: 15px;
    width: 20%;
}

.isTriangle-section button {
    padding: 0.3rem 0.8rem;
    background: var(--secondary-dark);
    border: none;
    outline: none; 
    color: var(--primary-white);
    margin: 1rem 0 0.2rem 0;
    font-size: 15px;
    border-radius: 5px;
    cursor: pointer;
}

.isTriangle-section button:hover {
    background: var(--yellow);
    color: var(--primary-dark);
    transition: 200ms;
}

.isTriangle-section #outputBoxForIsTriangle {
    font-size: 30px;
    font-weight: 600;
    padding: 2rem;
    color: var(--yellow);
    text-align: center;
    user-select: none;
}

/*
for triangleQuiz
*/

.triangleQuiz-section {
    background: var(--primary-dark);
    width: 80%;
    padding: 2rem 3rem;
    margin: auto;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
}

.triangleQuiz-section .container-individualQuestion {
    background: var(--yellow);
    color: var(--primary-dark);
    border-radius: 5px;
    margin: 1rem auto;
    padding: 2rem 1.5rem;
    width: 95%;
}
.triangleQuiz-section .container-individualQuestion p {
    font-size: 22px;
    font-weight: 600;
}

.que-underline {
    text-decoration: underline;
}

.triangleQuiz-section .container-individualQuestion #container-inputs {
    padding: 0.5rem 0;
}

.triangleQuiz-section .container-individualQuestion label {
    font-size: 17px;
    padding: 0 1rem 0 0;
}

.triangleQuiz-section .container-individualQuestion input {
    cursor: pointer;
    appearance: none;
    margin-right: 5px;
    border: 2px solid var(--primary-dark);
    border-radius: 50%;
    height: 16px;
    width: 16px;
    top: 4px;
    position: relative;
    transition: 0.2s all linear;
}

.triangleQuiz-section .container-individualQuestion input:checked {
    border:6px solid var(--primary-dark);
}

.triangleQuiz-section button {
    margin: 1rem auto;
    padding: 0.6rem 0.8rem;
    background: var(--secondary-dark);
    color: var(--primary-white);
    font-size: 15px;
    border: none;
    outline: none; 
    border-radius: 5px;
    cursor: pointer;
}

.triangleQuiz-section button:hover {
    background: var(--yellow);
    color: var(--primary-dark);
    transition: 200ms;
}

.triangleQuiz-section #outputBoxTriangleQuiz {
    color: var(--yellow);
    padding: 1rem;
    font-weight: 600;
    font-size: 30px;
    user-select: none;
    text-align: center;
}

/*
for hypotenuse
*/

.hypotenuse-section {
    display: grid;
    place-items: center;
    background: var(--primary-dark);
    width: 80%;
    margin: auto;
    padding: 0 2rem 0 2rem;
    border-radius: 10px;
}

.hypotenuse-section p {
    font-weight: 400;
    font-size: 18px;
    font-style: italic;
    padding: 1.5rem 0 2rem 0;
    text-align: center;
} 

.hypotenuse-section label{
    padding-bottom: 1rem;
    font-size: 20px;
    font-weight: 600;
}

.hypotenuse-section input {
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    background: var(--secondary-dark);
    color: var(--primary-white);
    border: none;
    border-radius: 5px;
    outline: none;
    font-size: 15px;
    width: 20%;
}

.hypotenuse-section button {
    padding: 0.5rem;
    background: var(--secondary-dark);
    border: none;
    outline: none; 
    color: var(--primary-white);
    margin: 1rem 0 0.2rem 0;
    font-size: 15px;
    border-radius: 5px;
    cursor: pointer;
}

.hypotenuse-section button:hover {
    background: var(--yellow);
    color: var(--primary-dark);
    transition: 200ms;
}

.hypotenuse-section #outputBoxForHypotenuse {
    font-size: 30px;
    font-weight: 600;
    padding: 2rem;
    color: var(--yellow);
    user-select: none;
    text-align: center;
}

/*
for area-of-triangle
*/

.areaOfTriangle-section {
    display: grid;
    place-items: center;
    background: var(--primary-dark);
    width: 80%;
    margin: auto;
    padding: 2rem 2rem 0rem 2rem;
    border-radius: 10px;
}

.areaOfTriangle-section label{
    padding-bottom: 1rem;
    font-size: 20px;
    font-weight: 600;
}

.areaOfTriangle-section input {
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    background: var(--secondary-dark);
    color: var(--primary-white);
    border: none;
    border-radius: 5px;
    outline: none;
    font-size: 15px;
    width: 20%;
}

.areaOfTriangle-section button {
    padding: 0.5rem;
    background: var(--secondary-dark);
    border: none;
    outline: none; 
    color: var(--primary-white);
    margin: 1rem 0 0.2rem 0;
    font-size: 15px;
    border-radius: 5px;
    cursor: pointer;
}

.areaOfTriangle-section button:hover {
    background: var(--yellow);
    color: var(--primary-dark);
    transition: 200ms;
}

.areaOfTriangle-section #outputBoxForAreaOfTriangle {
    font-size: 30px;
    font-weight: 600;
    padding: 2rem;
    color: var(--yellow);
    text-align: center;
    user-select: none;
}

/*
responsive
*/

@media only screen and (max-width: 900px) {
    nav a{
        padding: 0.4rem;
        font-size: 14px;
    }

    header h1 {
        font-size: 30px;
    }

    /*
    for isTriangle
    */
     
    .isTriangle-section {
        width: 85%;
        padding: 1rem 1rem 0 1rem;
    }

    .isTriangle-section label {
        font-size: 18px;
    }

    .isTriangle-section input {
        width: 80%;
    }

    .isTriangle-section #outputBoxForIsTriangle {
        font-size: 20px;
    }

    /*
    for triangleQuiz
    */

    .triangleQuiz-section {
        width: 90%;
        padding: 1rem;
    }

    .triangleQuiz-section .container-individualQuestion {
        padding: 1rem;
    }
    
    .triangleQuiz-section .container-individualQuestion p {
        font-size: 18px;
    }

    .triangleQuiz-section .container-individualQuestion label {
        font-size: 14px;
        padding: 0 0.5rem 0 0;
    }

    .triangleQuiz-section #outputBoxTriangleQuiz {
        font-size: 25px;
    }

    /*
    for hypotenuse
    */

    .hypotenuse-section {
        width: 85%;
        padding: 0 1rem 0 1rem;
    }

    .hypotenuse-section #outputBoxForHypotenuse {
        font-size: 20px;
    }

    .hypotenuse-section label {
        font-size: 18px;
    }

    .hypotenuse-section input {
        width: 80%;
    }

    /*
    for area-of-triangle
    */

    .areaOfTriangle-section {
        width: 85%;
        padding: 1rem 1rem 0 1rem;
    }

    .areaOfTriangle-section label {
        font-size: 18px;
    }

    .areaOfTriangle-section input {
        width: 85%;
    }

    .areaOfTriangle-section #outputBoxForAreaOfTriangle {
        font-size: 20px;
    }

}


/*
    hide input tags arrows
*/
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
}