// ======= VARIABLES =======
$o-wblog-sidebar-width: 280px;
$o-wblog-loader-size: 50px;

// ======= ANIMATIONS =======
// Generic fade-in
@keyframes o-wblog-fade-In {
    0%   { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes o-wblog-loader {
    0%, 100% {
        animation-timing-function: cubic-bezier(0.5, 0, 1, 0.5);
    }
    0% {
        transform: rotateY(0deg);
    }
    50% {
        transform: rotateY(1800deg);
        animation-timing-function: cubic-bezier(0, 0.5, 0.5, 1);
    }
    100% {
        transform: rotateY(3600deg);
    }
}


// ======== MIXINS =========
// Create easing-linear-gradients. Compared to the standards liner-gradients
// these are smoother and blends into their context increasing readability when
// acts as background for text placed over images.
// based on: https://css-tricks.com/easing-linear-gradients/
@mixin o-wbblog-scrim-gradient($colorFrom, $colorTo) {
    $scrimStops: 0% 0%, 26.2% 19%, 45.9% 34%, 61.8% 47%, 72.2% 56.5%, 80.6% 65%, 87.4% 73%, 92.5% 80.2%, 95.8% 86.1%, 97.9% 91%, 99.2% 95.2%, 99.8% 98.2%, 100% 100%;
    $stops: ();
    @each $scrimStop in $scrimStops {
        $stops: append($stops, mix($colorTo, $colorFrom, nth($scrimStop, 1)) nth($scrimStop, 2), comma)
    }

    background-image: linear-gradient(#{$stops});
}

//------------------------------------------------------------------------------
// Website Blog
//------------------------------------------------------------------------------
.website_blog {
    .css_website_mail {
        .o_has_error {
            border-color: red;
        }
        .css_nav_month {
            display: none;
            &:first-of-type {
                display: block;
            }
        }
    }

    .o_wblog_page_cards_bg {
        // To be applied to the main container when 'card design' option is
        // enabled. Provide a slight darker bg that will blend the background
        // color chosen by the user, visually increasing the contrast in case of
        // brights (or white) backgrounds.
        // It shouldn't be noticeable on dark backgrounds.
        background-color: rgba(black, 0.005);
    }

    .o_wblog_read_with_sidebar {
        max-width: map-get($container-max-widths, md) + $o-wblog-sidebar-width;
    }

    // This option class is assigned to the post's content using the "Customize"
    // menu. The aim is to be able to write simple articles on the fly,
    // achieving a good design without being forced to use snippets.
    .o_wblog_read_text {
        font-size: 18px;
        line-height: 28px;
        font-weight: 300;

        p, ul, ol {
            margin-bottom: 1.55em;
        }

        li {
            margin-bottom: 1em;
        }

        .lead {
            font-size: 26px;
            line-height: 34px;
            margin-bottom: 40px;
        }
    }

    .o_wblog_author_avatar {
        width: 1.2em;
        height: 1.2em;
        max-width: none;
        object-fit: cover;
    }

    .o_wblog_author_avatar_date {
        // Resize in order to double the current font-size and accommodate
        // two text lines, name and date.
        width: 2em;
        height: 2em;
        max-width: none;
        object-fit: cover;
    }

    .o_wblog_social_links > a {
        @include size(3em);
        > i {
            font-size: 1.3em;
        }
    }

    // Blog Post Page
    // ==============================================
    #o_wblog_post_content {
        min-height: 350px !important;

        a.oe_mail_expand:after {
            content: " →";
        }
        a.oe_mail_expand {
            font-weight: bold;
        }
    }

    #o_wblog_post_comments {
        .o_portal_chatter > hr {
            display: none;
        }
    }

    // Blog Post Page Cover
    // ==============================================
    .o_wblog_post_page_cover {

        // Cover sizes
        // ==============================================
        &.cover_auto {
            padding: 3rem 0;
            // The actual height will always be 'auto'. The following
            // min-height rule is set to trigger the page transition only.
            min-height: 1px;
        }

        // "Regular Cover" design sizes
        // ==============================================
        &.o_wblog_post_page_cover_regular {
            &.o_full_screen_height {
                min-height: 350px;
            }

            &.o_half_screen_height {
                min-height: 250px;
            }

            &.cover_auto {
                min-height: 150px;
                padding: 0;
            }
        }

        // If a cover image is defined, adapt inner typography
        &.o_record_has_cover {
            .o_record_cover_image:after {
                content: "";
                display: block;
                @include o-position-absolute(0,0,50%,0);
                @include o-wbblog-scrim-gradient(rgba(black, 0.5), transparent);
            }

            .o_wblog_post_title {
                color: white;
            }

            &.o_wblog_post_page_cover_regular {
                .o_record_cover_image:after {
                    visibility: hidden;
                }
            }
        }

    }

    // Blog Post Specific
    // ==============================================
    .o_wblog_post_title {
        #o_wblog_post_name {
            font-weight: $display4-weight;
            line-height: $display-line-height;
            // Default font-size.
            @include font-size($display4-size);
        }

        #o_wblog_post_subtitle {
            font-weight: $lead-font-weight;
            // Default font-size.
            @include font-size($lead-font-size);
        }
    }

    // Refine multi-lines titles when using 'regular' cover
    .o_wblog_regular_cover_container #o_wblog_post_name {
        line-height: 1;
        padding-bottom: 0.5rem;
    }

    .o_wblog_post_page_cover_footer {
        min-height: 33vh;
        // Emulate native jQuery 'swing' easing to match js code
        transition: all 0.3s cubic-bezier(.02, .01, .47, 1);
    }

    #o_wblog_next_container {
        background-color: $body-bg;
        cursor: pointer;

        .o_wblog_next_loader {
            transform: translateZ(1px);

            div {
                @include size($o-wblog-loader-size);
                background: rgba(black, 0.15);
                animation: o-wblog-loader 2.4s cubic-bezier(0, 0.2, 0.8, 1) infinite;
            }
        }

        .o_wblog_next_fake_btn {
            height: $o-wblog-loader-size;
        }
    }

    #o_wblog_post_main.o_wblog_post_main_transition {
        animation: o-wblog-fade-In 1s cubic-bezier(.02, .01, .47, 1);
    }

    // Blog Index Pages
    // ==============================================
    #o_wblog_posts_loop {
        .o_record_cover_container {
            box-shadow: inset 0 0 0 1px rgba(white, 0.3);
            background: rgba(black, 0.1);

            padding-top: 33%;
            height: auto!important;

            &:hover .o_record_cover_image {
                opacity: 0.8;
            }
        }

        .o_wblog_normalize_font {
            // normalize fonts
            font-size: 13px;
            line-height: 1.45;
        }

        .o_wblog_post_list_author {
            @include o-wbblog-scrim-gradient(transparent, rgba(black, 0.5));
        }

        &.o_wblog_list_view {
            .o_record_cover_container {
                padding-top: 20%;
            }
            .o_wblog_post_cover_nocard .o_record_cover_container {
                padding-top: 33%;
            }
        }

    }

    //  Editor Helpers
    // ==============================================
    body.editor_enable & {
        // Make empty covers visible in edit mode
        .o_record_cover_container.o_wblog_post_page_cover:not(.o_record_has_cover) {
            padding: 30px 0;
        }

        // Hide the big "DRAG BUILDING BLOCKS HERE" box when inside a sidebar.
        // The purple lines are enough to help the user dropping snippets.
        #o_wblog_sidebar .oe_structure:empty {
            display: none;
        }
    }
}

#o_wblog_post_content_jump {
    @extend .o_scroll_button;
    @include size($o-wblog-loader-size);
    background-color: rgba(black, 0.5);

    &:hover {
        background-color: rgba(black, 0.7);
    }
}