:root {

}

body {
    color: white;
    margin: 0;
    padding: 0;
    font-family: 'Titillium Web', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    padding: 0;
}

p {
    margin: 0;
    padding: 0;
}

input {
    font-family: 'Roboto Mono', monospace;
}

.main-background {
    min-height: 100vh;
    background: url("./img/matrix_background.png");
    background-position: center center;
    background-size: cover;
    background-repeat: none;
}

.top-bar {
    display: flex;
    justify-content: start;
    padding: 2rem;
}

.logo-container {
    font-family: 'Archivo', sans-serif;
    display: flex;
    align-items: center;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.97);
    border-radius: 1rem;
}

.logo-img {
    height: 6rem;
}

.logo-text-container {
    margin-left: 1rem;
}

.logo-text {
    font-size: 2rem;
    color: white;
}

.main-content-container {
    display: flex;
    justify-content: center;
}

.main-content {
    background-color: rgba(0, 0, 0, 0.97);
    border-radius: 2rem;
    margin-bottom: 2rem;
    max-width: 50vw;
}

.main-content-header {
    padding: 2rem;
    text-align: center;
    border-bottom: 2px solid white;
}

.main-content-header-title {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 3rem;
    color: white;
}

.main-content-header-subtitle {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: gray;
}

.main-content-matrices-container {
    margin-top: 0.5rem;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 100px 1fr;
    border-bottom: 2px solid white;
}

.matrix-dimensions-settings-header-container {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex-direction: column;
    margin-bottom: -.5rem;
}

.matrix-dimensions-settings-header-container h2 {
    font-size: 2rem;
}

.matrix-dimensions-settings-header-container p {
    color: gray;
    font-size: 1.3rem;
}

.inverted-matrix-text-above-header h2 {
    font-size: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.matrix-dimensions-settings-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

.matrix-dimensions-settings-input-container {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
}

.matrix-dimensions-settings-input-container input {
    border: 2px solid gray;
    background-color: transparent;
    color: white;
    font-size: 1rem;
    width: 4rem;
    padding: 0.3rem;
    border-radius: 0.25rem;
    margin: 0 0.4rem;
    outline: none;
}

.matrix-dimensions-settings-input-container input:focus {
    border: 2px solid white;
}

.inverted-matrix-text-above-subheader {
    font-size: 1.3rem;
    color: gray;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex-direction: column;
}

.arrow-between-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.matrix-container {
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.matrix {
    display: flex;
    justify-content: center;
    align-items: stretch;
}

.matrix-bracket {
    background-color: white;
    display: flex;
    align-items: center;
    width: 0.5rem;
}

.matrix-left-bracket {
    flex-direction: row-reverse;
}

.matrix-bracket-background-bar {
    width: 75%;
    height: calc(100% - 0.25rem);
    background-color: black;
}

.matrix-entries {
    padding: 1rem 0;
    margin: 0 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 1rem;
}

.matrix-entry {
    width: 4rem;
    padding: 0.3rem;
    background: transparent;
    border: 1px solid gray;
    color: white;
    font-size: 1rem;
    outline: none;
    border-radius: 0.25rem;
}

.matrix-entry:focus {
    border: 1px solid white;
}

.arrow-between {
    height: 3rem;
}

.additional-content-container {
    padding: 2rem;
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.wikipedia-link-container {
    font-size: 1.3rem;
    text-align: center;
}

.wikipedia-link-container a {
    color: inherit;
}

.wikipedia-link-container a:hover {
    text-shadow: 0px 0px 10px white;
}

footer {
    padding: 30px;
    color: white;
    background-color: black;
    font-size: 1rem;
    text-align: center;
}

@media (max-width: 1900px) {
    .main-content {
        max-width: 70vw;
    }
}

@media (max-width: 1400px) {

    .top-bar {
        justify-content: center;
    }

    .main-content {
        max-width: 80vw;
    }
}

@media (max-width: 1200px) {

    :root {
        font-size: 0.7rem;
    }

    .main-content {
        max-width: 90vw;
    }

    .main-content-header {
        padding-top: 0;
    }

    .main-content-matrices-container {
        grid-template-columns: 1fr;
    }

    .matrix-dimensions-settings-header-container {
        grid-area: 1 / 1 / 2 / 2;
        margin-bottom: .5rem;
    }

    .inverted-matrix-text-above-header {
        grid-area: 5 / 1 / 6 / 2;
    }

    .matrix-dimensions-settings-input-container {
        grid-area: 2 / 1 / 3 / 2;
        margin-bottom: .5rem;
    }

    .inverted-matrix-text-above-subheader {
        grid-area: 6 / 1 / 7 / 2;
    }

    .input-matrix-container {
        grid-area: 3 / 1 / 4 / 2;
    }

    .arrow-between-container {
        grid-area: 4 / 1 / 5 / 2;
    }

    .arrow-between-container img {
        transform: rotate(90deg);
        margin-bottom: 2rem;
        margin-top: 1rem;
    }

    .matrix-container {
        padding: .5rem;
        margin: 0;
    }
}