/*
 * Website-specific styling for the Polychromatic main site.

 * Copyright (C) 2017-2026 Luke Horwell <code (at) horwell.me>
*/

:root {
    --splash-height: calc(40vh + var(--header-height));
    --splash-margin-top: calc(var(--header-height) * -1);

    --tab-focus-border: #2c2c2c;
    --tab-focus-text: #e6e6e6;
    --red-light: #ff8080;

    --image-box-min-height: 380px;
}

/******************************
* Error Page
******************************/
#error-page {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: 0;
    background-color: black;
    background-image: url(/assets/img/error.jpg);
    background-position: center;
    background-repeat: no-repeat;
}

#error-text {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    height: 6em;
    padding: 1em 0;
    text-align: center;
    background: rgba(0, 0, 0, 0.85);

    h3 {
        font-size: 2em;
        margin: 0;
        margin-bottom: 0.25em;
        color: red;
    }

    p {
        font-size: 1em;
        margin: 0;
    }
}


/******************************
* Splash
******************************/
.splash {
    height: var(--splash-height);
    background: black;
    overflow: hidden;
    position: relative;
    font-size: 1.1em;
    margin-top: var(--splash-margin-top);
    margin-bottom: 4em;

    h2 {
        color: white;
    }

    .chroma-backdrop {
        height: var(--splash-height);
        pointer-events: none;

        .chroma-ring {
            position: absolute;
            height: 150vh;
            top: -65vh;
            left: -5vw;
            animation: rotate 5s linear infinite;
        }
    }
}

.splash-details {
    background: rgba(0,0,0,0.5);
    display: flex;
    position: absolute;
    left: 50vw;
    top: var(--header-height);
    bottom: 0;
    right: 0;
    max-width: 720px;
    padding: 1em 2em;
}

.splash-details-inner {
    margin: auto 0;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(359deg);
    }
}

@media (min-width: 721px) {
    .splash-details {
        max-width: 600px;
    }
}

@media (max-width: 720px) {
    .splash-details {
        left: 0;
    }
}


/******************************
* Tabs
******************************/
.tab-container {
    margin: 30px 0;
}

.tabs {
    display: flex;
}

.btn-tab {
    background: var(--bg-secondary-light);
    border: 1px solid var(--table-colour);
    color: #fff;
    cursor: pointer;
    display: flex;
    padding: 8px 12px;
    margin: 0;
    outline: 0;

    &:hover,
    &:focus {
        border-color: var(--tab-focus-border);
        color: var(--tab-focus-text);
        border-bottom-color: transparent;
    }

    &:disabled {
        pointer-events: none;
        color: var(--grey-colour);
    }

    img {
        filter: grayscale(1);
        max-height: 15px;
        min-width: 15px;
        vertical-align: middle;
    }

    span {
        padding-left: 5px;
    }
}

.tab-content {
    background: var(--bg-secondary);
    border: 1px solid var(--table-colour);
    display: none;
    margin: -1px 0;
    padding: 10px;
}

#radio-download-stable:checked ~ .tabs #btn-tab-stable,
#radio-download-preview:checked ~ .tabs #btn-tab-preview {
    background: var(--bg-secondary);
    color: var(--primary);
    cursor: default;
    border-color: var(--primary);
    border-bottom-color: transparent;
}

#radio-download-stable:checked ~ .tabs #btn-tab-stable img,
#radio-download-preview:checked ~ .tabs #btn-tab-preview img {
    filter: grayscale(0);
}

#radio-download-stable:checked ~ #tab-content-stable,
#radio-download-preview:checked ~  #tab-content-preview {
    display: block;
}


/******************************
* Layout: Devices
******************************/
.device-list-info {
    background: var(--bg-secondary);
    border: 1px solid var(--border-colour);
    padding: 1em;
    margin: 1em 0;
}

.device-backend-links {
    .link {
        display: inline-flex;
        margin-right: 2em;
    }

    svg {
        height: 16px;
        width: 16px;
        margin: auto 0.25em;

        path {
            fill: var(--primary);
        }
    }
}

.device-table {
    img {
        height: 24px;
        width: 24px;
        vertical-align: middle;
    }
}


/******************************
* Layout: Downloads / Distro
******************************/
.distros {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    justify-content: center;
}

.distro {
    --distro-accent: var(--secondary);

    display: inline-flex;
    flex-direction: column;
    text-align: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-colour);
    margin: 0.5em;
    padding: 1em;
    width: 12em;
    transition: border-color var(--btn-speed),
                filter var(--btn-speed);

    img {
        height: 5em;
        margin: 0 auto;
        filter: brightness(0.8);
        transition: filter var(--btn-speed);
    }

    span {
        display: block;
        margin: 1em auto 0.25em;
        color: var(--grey-colour-light);
        transition: color var(--btn-speed);
    }

    &:hover,
    &:focus {
        border-color: var(--distro-accent);
        text-decoration: none;

        img {
            filter: none;
        }

        span {
            color: var(--distro-accent);
        }
    }

    &:active,
    &.active {
        background-color: var(--distro-accent);

        img {
            filter: drop-shadow(0px 0px 10px black);
            transition: none;
        }

        span {
            color: black;
        }

        /* Some logos contrast better with a 'mono' filter */
        &#arch img,
        &#debian img,
        &#fedora img,
        &#opensuse img,
        &#manjaro img,
        &#zorin img {
            filter: grayscale(1) brightness(0.25);
        }
    }
}

@media (max-width: 720px) {
    .distros {
        justify-content: center;
    }

    .distro {
        width: 8em;
    }

    .distro img {
        height: 3.5em;
    }
}

/* Badges */
.distro.community {
    position: relative;
    overflow: hidden;

    &::before {
        content: "Community";
        background: var(--border-colour);
        color: white;
        font-size: 0.7em;
        position: absolute;
        top: 1.5em;
        right: -4.25em;
        padding: 0.25em 4em;
        transform: rotate(45deg);
    }
}

.distro.detected {
    animation: distro-detected 2s infinite;
    border-radius: 5px;
}

@keyframes distro-detected {
    0% {
        box-shadow: 0px 0px 2px var(--distro-accent);
    }
    50% {
        box-shadow: 0px 0px 10px var(--distro-accent);
    }
    100% {
        box-shadow: 0px 0px 2px var(--distro-accent);
    }
}

#unsupported-os {
    background: var(--bg-secondary);
    border: 1px solid var(--red);
    display: flex;
    margin: 1.75em;
    animation: unsupported-glow 2s infinite;

    img {
        margin: auto 4em;
        height: 5em;
    }

    h2 {
        color: var(--red-light);
    }
}

@keyframes unsupported-glow {
    0% {
        box-shadow: 0px 0px 2px var(--red);
    }
    50% {
        box-shadow: 0px 0px 10px var(--red);
    }
    100% {
        box-shadow: 0px 0px 2px var(--red);
    }
}

.logo-legal {
    font-size: 0.75em;
    margin-top: 4em;

    p {
        margin: 0;
    }
}


/************************************
* Layout: Downloads / Instructions
************************************/
.download-page {
    .distro-logo {
        width: 100%;
        padding: 2em;
    }

    .download-instructions img {
        max-width: 100%;
    }
}

@media (max-width: 720px) {
    .download-page .distro-logo {
        padding: 1em;
    }
}

@media (max-width: 540px) {
    .download-page .distro-logo {
        display: none;
    }
}

.back-arrow {
    display: inline-block;
    vertical-align: middle;
    position: relative;
    width: 100%;
    margin-top: 1.75em;

    img {
        position: absolute;
        right: -1em;
        width: 1.5em;
        height: 1.5em;
    }

    &:hover,
    &:focus {
        img {
            opacity: 0.5;
        }
    }
}

.view-externally {
    font-size: 0.8rem;

    svg {
        height: 0.9em;
        width: 0.9em;
        vertical-align: middle;
        margin-left: 0.1em;
        margin-right: 0.25em;

        path {
            fill: var(--primary);
        }
    }

    &:hover {
        svg path {
            fill: var(--secondary);
        }
    }
}


/******************************
* Layout: Features
******************************/
/* Desktop */
@media (min-width: 541px) {
    .feature {
        display: flex;
        flex-direction: row;
        padding: 1em 0;
        margin: 0;

        &.last {
            margin-bottom: 4em;
        }
    }

    .feature-image-wrapper,
    .feature-text-wrapper {
        display: flex;
        flex-direction: column;
        padding: 0;
    }

    .feature-image-wrapper {
        img {
            margin: auto;
            width: 100%;
            max-height: 12em;
            max-width: 12em;
            margin: 1em 0;

            /* Align right */
            margin-left: auto;
            margin-right: 1em;
        }
    }

    .feature-text-wrapper {
        max-width: 540px;
    }

    .feature-title {
        margin-top: auto;
        margin-bottom: 0;
    }

    .feature-text {
        display: flex;
        flex-direction: column;
        margin: auto;
        margin-top: 0;
        margin-left: 0;
        max-width: 360px;
    }

    .btn {
        /* Align left */
        margin-right: auto;
    }

    /* Alternating rows */
    .feature:nth-of-type(even) {
        background: var(--bg-secondary);
    }

    /* Feature page tweaks */
    .feature.large {
        .feature-image-wrapper {
            img {
                max-height: 24em;
                max-width: 24em;
            }
        }

        /* Swap sides for every other one */
        &:nth-child(odd) {
            flex-direction: row-reverse;

            .feature-text-wrapper {
                text-align: right;
            }

            .feature-text {
                margin-left: auto;
                margin-right: 0;
            }

            .btn {
                margin-left: auto;
                margin-right: 0;
            }

            .feature-image-wrapper img {
                /* Align left */
                margin-left: 1em;
                margin-right: auto;
            }
        }
    }
}

/* Mobile */
@media (max-width: 540px) {
    .feature {
        padding: 2em;

        .feature-image-wrapper {
            display: flex;
        }

        .feature-text-wrapper {
            text-align: center;
        }

        img {
            margin: auto;
            width: 10em;
        }

        &.last {
            margin-bottom: 2em;
        }
    }

    .feature:nth-of-type(even) {
        background: var(--bg-secondary);
    }
}


/******************************
* Layout: Image Box
******************************/
/* Desktop */
@media (min-width: 541px) {
    .image-box {
        box-shadow: 0px 0px 0px var(--secondary);
        display: flex;
        flex-wrap: wrap;
        align-content: stretch;
        justify-content: stretch;
        position: relative;
        min-height: var(--image-box-min-height);
        margin-bottom: 4em;
        width: 100%;

        .item {
            flex-basis: 100%;

            &:last-of-type .item-box {
                border-bottom: none;
            }

            &:hover,
            &:focus {
                .item-box {
                    background: linear-gradient(to right, rgba(0,128,0,0.5), rgba(0,0,0,0));
                }
            }
        }

        .item-box {
            border-bottom: 1px solid var(--border-colour);
            cursor: pointer;
            padding: 8px;
            width: 33%;
        }

        .item-title {
            display: flex;
            font-size: 1.1em;

            span {
                margin: auto 4px;
            }
        }

        p {
            color: var(--grey-colour-light);
            margin-left: 2.25em;
        }

        .item-icon {
            padding: 4px;
            height: 32px;
            width: 32px;
        }

        .image-box-radio:checked {
            + .item {
                .item-box {
                    background: linear-gradient(to right, rgba(0,128,0,0.25), rgba(0,0,0,0));
                }

                + .image {
                    opacity: 1;
                }
            }
        }

        .image {
            position: absolute;
            left: 33%;
            top: 0;
            bottom: 0;
            right: 0;
            display: flex;
            max-height: var(--image-box-min-height);
            opacity: 0;
            transition: opacity var(--page-speed);

            img {
                max-height: var(--image-box-min-height);
                margin: auto;
                object-fit: contain;
            }
        }
    }
}

/* Mobile */
@media (max-width: 540px) {
    .image-box {
        .item-title {
            display: flex;
            color: var(--primary);
            font-size: 1.1em;
            text-align: center;
            border-bottom: 1px solid var(--primary);
            padding-bottom: 0.5em;

            img {
                height: 1.5em;
                width: 1.5em;
                margin-left: auto;
            }

            span {
                margin: auto 0.5em;
                margin-right: auto;
            }
        }

        p {
            text-align: center;
            padding: 0 2em;
            margin: 1em 0;
        }

        .image {
            img {
                max-width: 100%;
            }
        }

        .item ~ .item .item-box {
            margin-top: 2em;
        }
    }
}