:root {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        color: #eee;
        background: #111;
    }

    a {
        color: #56b2ff;
    }

    a:visited {
        color: #f192ff;
    }

    a:active {
        color: red;
    }

    .invert-dark {
        filter: invert(100%);
    }
}

h1 {
    margin: 16px 0;
}

h2,
h3,
p {
    margin: 8px 0;
}

.section {
    max-width: 928px;
    margin: 24px auto;
}

.header h1 {
    font-size: 2.5em;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: normal;
    text-align: center;
}

.header svg {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    margin: 0 8px 0 0;
}

@media (max-width: 750px) {
    .header h1 {
        flex-direction: column;
    }

    .header svg {
        margin: 0 0 8px 0;
    }
}

.infobox,
.development-tools {
    padding: 8px;
    margin: 8px 0;
    border-radius: 8px;
    background: rgba(0, 195, 255, 0.245);
    border: 1px solid rgba(0, 187, 255, 0.604);
}

.infobox-warning {
    background-color: rgba(255, 0, 0, 0.245);
    border-color: rgba(255, 0, 0, 0.446);
}

.infobox-title {
    font-weight: bold;
    margin-bottom: 4px;
}

.development-tools {
    background-color: rgba(200, 0, 255, 0.245);
    border-color: rgba(234, 0, 255, 0.604);
}

.development-tools h2 {
    font-size: 1em;
}

.extensions {
    display: -ms-grid;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    margin: 16px -4px;
}

@media (max-width: 944px) {
    .extensions {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 650px) {
    .extensions {
        grid-template-columns: 1fr;
    }
}

.extension {
    border: 2px solid #ccc;
    border-radius: 8px;
    margin: 4px;
    overflow: hidden;
    padding: 8px;
}

@media (prefers-color-scheme: dark) {
    .extension {
        border-color: #333;
    }
}

.extension h3 {
    font-size: 1.5em;
}

.extension-banner {
    position: relative;
    margin: -8px -8px 0 -8px;
}

.extension-image {
    display: block;
    width: 100%;
    /* TODO: see if there's another way to do this that works in older browsers too */
    aspect-ratio: 2 / 1;
}

.extension-buttons {
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .15s;
    background: rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.extension:hover .extension-buttons,
.extension:focus-within .extension-buttons {
    opacity: 1;
}

.extension:hover .extension-buttons {
    backdrop-filter: blur(0.6px);
}

.extension-buttons>* {
    padding: 8px;
    background-color: #4c97ff;
    border-radius: 8px;
    border: none;
    font: inherit;
    cursor: pointer;
    color: white;
    text-decoration: none;
    pointer-events: auto;
    transition: filter 0.15s;
    filter: drop-shadow(0px 1px 3px #00000075);
}

.extension-buttons>*:hover {
    filter: drop-shadow(0px 1px 7px black);
    z-index: 1;
}

.extension-buttons *:active {
    filter: brightness(0.85) drop-shadow(0px 1px 2px #00000075);
}

.extension-buttons *:disabled {
    opacity: 0.5;
}

.extension-buttons .copy {
    margin: 0 8px 0 0;
}

.extension-buttons .open {
    background-color: #ff4c4c;
    color: white;
}

.extension-buttons :disabled {
    opacity: 0.5;
}

footer {
    opacity: 0.8;
    width: 100%;
    text-align: center;
    margin-bottom: 16px;
}

footer p {
    margin: 0 0 8px 0;
}