// ==========================================================================
// Plyr styles
// https://github.com/selz/plyr
// ==========================================================================

// Variables
// -------------------------------

// Colors
@plyr-color-main:                    #3498DB;

// Font sizes
@plyr-font-size-small:               14px;
@plyr-font-size-base:                16px;

// Captions
@plyr-font-size-captions-base:       ceil(@plyr-font-size-base * 1.25);
@plyr-font-size-captions-medium:     ceil(@plyr-font-size-base * 1.5);
@plyr-font-size-captions-large:      (@plyr-font-size-base * 2);

// Controls
@plyr-controls-bg:                   #000;
@plyr-control-color:                 #fff;
@plyr-control-color-hover:           #fff;
@plyr-control-spacing:               10px;
@plyr-control-bg-hover:              @plyr-color-main;
//.contrast-control-color(@plyr-controls-bg);
//.contrast-control-color-hover(@plyr-control-bg-hover);

// Tooltips
@plyr-tooltip-bg:                    @plyr-controls-bg;
@plyr-tooltip-border-color:          fade(darken(@plyr-controls-bg, 75%), 10%);
@plyr-tooltip-arrow-border-color:    fade(darken(@plyr-controls-bg, 75%), 20%);
@plyr-tooltip-border-width:          1px;
@plyr-tooltip-shadow:                0 0 5px @plyr-tooltip-border-color, 0 0 0 @plyr-tooltip-border-width @plyr-tooltip-border-color;
@plyr-tooltip-color:                 @plyr-control-color;
@plyr-tooltip-padding:               (@plyr-control-spacing / 2);
@plyr-tooltip-arrow-size:            4px;
@plyr-tooltip-radius:                3px;

// Progress
@plyr-progress-bg:                   fade(@plyr-control-color, 25%);
@plyr-progress-playing-bg:           @plyr-color-main;
@plyr-progress-buffered-bg:          fade(@plyr-control-color, 25%);
@plyr-progress-loading-size:         25px;
@plyr-progress-loading-bg:           fade(#000, 15%);

// Range sliders
@range-track-height:                 8px;
@range-track-bg:                     fade(#fff, 25%);
@range-thumb-height:                 floor(@range-track-height * 2);
@range-thumb-width:                  floor(@range-track-height * 2);
@range-thumb-bg:                     #fff;
@range-thumb-border:                 2px solid transparent;
@range-thumb-active-border-color:    #fff;
@range-thumb-active-bg:              @plyr-control-bg-hover;
@range-thumb-shadow:                 0 1px 1px fade(@plyr-controls-bg, 15%);

// Breakpoints
@plyr-bp-control-split:              560px; // When controls split into left/right
@plyr-bp-captions-large:             768px; // When captions jump to the larger font size

// Animation
// ---------------------------------------
@keyframes plyr-progress {
    to { background-position: @plyr-progress-loading-size 0; }
}

// Mixins
// -------------------------------
// Contrast
/*.contrast-control-color(@plyr-color: "") when (lightness(@plyr-color) >= 65%) {
    @plyr-control-color: @plyr-gray-light;
}
.contrast-control-color(@plyr-color: "") when (lightness(@plyr-color) < 65%) {
    @plyr-control-color: @plyr-gray-lighter;
}
.contrast-control-color-hover(@plyr-color: "") when (lightness(@plyr-color) >= 65%) {
    @plyr-control-color-hover: @plyr-gray;
}
.contrast-control-color-hover(@plyr-color: "") when (lightness(@plyr-color) < 65%) {
    @plyr-control-color-hover: #fff;
}*/

// <input type="range"> styling
.range-track() {
    height: @range-track-height;
    background: @range-track-bg;
    border: 0;
    border-radius: (@range-track-height / 2);
    user-select: none;
}
.range-thumb() {
    position: relative;
    height: @range-thumb-height;
    width: @range-thumb-width;
    background: @range-thumb-bg;
    border: @range-thumb-border;
    border-radius: 100%;
    transition: background .2s ease, border .2s ease, transform .2s ease;
    box-shadow: @range-thumb-shadow;
    box-sizing: border-box;
}
.range-thumb-active() {
    background: @range-thumb-active-bg;
    border-color: @range-thumb-active-border-color;
    transform: scale(1.25);
}

// Styles
// -------------------------------
// Base
.plyr {
    position: relative;
    max-width: 100%;
    min-width: 290px;
    font-family: Avenir, "Avenir Next", "Helvetica Neue", "Segoe UI", Helvetica, Arial, sans-serif;

    // border-box everything
    // http://paulirish.com/2012/box-sizing-border-box-ftw/
    &,
    *,
    *::after,
    *::before {
        box-sizing: border-box;
    }

    // Fix 300ms delay
    a, button, input, label {
        touch-action: manipulation;
    }

    // Screen reader only elements
    &__sr-only {
        position: absolute !important;
        clip: rect(1px, 1px, 1px, 1px);
        padding: 0 !important;
        border: 0 !important;
        height: 1px !important;
        width: 1px !important;
        overflow: hidden;
    }

    // For video
    &__video-wrapper {
        position: relative;
        background: #000;
        border-radius: inherit;
        //overflow: hidden;
    }
    video,
    audio {
        width: 100%;
        height: auto;
        vertical-align: middle;
        border-radius: inherit;
    }

    // Container for embeds
    &__video-embed {
        padding-bottom: 56.25%; /* 16:9 */
        height: 0;
        overflow: hidden;
        border-radius: inherit;

        iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
            user-select: none;
        }

        // Vimeo hack
        > div {
            position: relative;
            padding-bottom: 200%;
            transform: translateY(-35.95%);
        }

        // To allow mouse events to be captured if full support
        &.plyr iframe {
            pointer-events: none;
        }
    }

    // Captions

    // Hide default captions
    video::-webkit-media-text-track-container {
        display: none;
    }
    &__captions {
        display: none;
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        padding: (@plyr-control-spacing * 2) (@plyr-control-spacing * 2) (@plyr-control-spacing * 8);
        color: #fff;
        font-size: @plyr-font-size-captions-base;
        text-align: center;
        font-weight: 400;

        span {
            border-radius: 2px;
            padding: floor(@plyr-control-spacing / 3) @plyr-control-spacing;
            background: fade(#000, 85%);
        }
        span:empty {
            display: none;
        }

        @media (min-width: @plyr-bp-captions-large) {
            font-size: @plyr-font-size-captions-medium;
        }
    }
    &--captions-active &__captions {
        display: block;
    }
    &--fullscreen-active &__captions {
        font-size: @plyr-font-size-captions-large;
    }

    // Common
    // Specificity is for bootstrap compatibility
    input[type='range'] {
        display: block;
        height: @range-thumb-height;
        width: 100%;
        margin: 0;
        padding: 0; 
        vertical-align: middle;
        
        appearance: none;
        cursor: pointer;
        border: none;
        background: transparent;
        
        // Webkit
        &::-webkit-slider-runnable-track {
            .range-track();
        }
        &::-webkit-slider-thumb {
            -webkit-appearance: none;
            margin-top: -((@range-thumb-height - @range-track-height) / 2);
            .range-thumb();
        }

        // Mozilla
        &::-moz-range-track {
            .range-track();
        }
        &::-moz-range-thumb {
            .range-thumb();
        }
        &::-moz-focus-outer {
            border: 0;
        }
        
        // Microsoft
        &::-ms-track {
            height: @range-track-height;
            background: transparent;
            border: 0;
            color: transparent;
        }
        &::-ms-fill-lower,
        &::-ms-fill-upper {
            .range-track();
        }
        &::-ms-thumb {
            .range-thumb();

            // For some reason, Edge uses the -webkit margin above
            margin-top: 0; 
        }

        &::-ms-tooltip {
            display: none;
        }

        // Focus styles
        &:focus {
            outline: 0;
        }
        &::-moz-focus-outer {
            border: 0;
        }        
        &.tab-focus:focus {
            outline: 1px dotted fade(@plyr-control-color, 50%);
            outline-offset: 3px;
        }
        
        // Pressed styles
        &:active {
            &::-webkit-slider-thumb {
                .range-thumb-active();
            }
            &::-moz-range-thumb {
                .range-thumb-active();
            }
            &::-ms-thumb {
                .range-thumb-active();
            }
        }
    }

    // Large play button
    &__play-large {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        padding: @plyr-control-spacing;
        background: @plyr-control-bg-hover;
        border: 4px solid @plyr-control-color;
        border-radius: 100%;
        color: @plyr-control-color;

        svg {
            position: relative;
            left: 2px;
            width: 20px;
            height: 20px;
            display: block;
            fill: currentColor;
        }

        &:focus {
            outline: 1px dotted fade(@plyr-control-color, 50%);
        }
    }

    // Shared
    &__controls,
    &__play-large {
        transition: visibility .3s ease, opacity .3s ease;
    }
    &--playing &__play-large {
        visibility: hidden;
        opacity: 0;
    }

    // Playback controls
    &__controls {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        display: flex;
        align-items: center; 
        padding: (@plyr-control-spacing * 5) @plyr-control-spacing @plyr-control-spacing;

        background: linear-gradient(fade(@plyr-controls-bg, 0%), fade(@plyr-controls-bg, 25%));
        border-bottom-left-radius: inherit;
        border-bottom-right-radius: inherit;

        line-height: 1;
        text-align: center;

        // Spacing
        > button,
        .plyr__progress,
        .plyr__time,
        .plyr__volume[type="range"] {
            margin-left: @plyr-control-spacing;

            &::first-child {
                margin-left: 0;
            }
        }
        [data-plyr="mute"] {
            margin-left: 0;
        }

        // Buttons
        button {
            position: relative;
            display: inline-block;
            flex-shrink: 0;
            vertical-align: middle;
            padding: (@plyr-control-spacing / 2) @plyr-control-spacing;
            border: 0;
            background: transparent;
            border-radius: 3px;
            cursor: pointer;
            color: @plyr-control-color;
            transition: background .3s ease, color .3s ease, opacity .3s ease;

            svg {
                width: 18px;
                height: 18px;
                display: block;
                fill: currentColor;
            }

            // Hover and tab focus
            &.tab-focus:focus,
            &:hover {
                background: @plyr-control-bg-hover;
                color: @plyr-control-color-hover;
            }
            // Default focus
            &:focus {
                outline: 0;
            }
        }

        // Hide toggle icons by default
        .icon--exit-fullscreen,
        .icon--muted,
        .icon--captions-on {
            display: none;
        }
    }

    // Tooltips
    &__tooltip {
        visibility: hidden;
        position: absolute;
        z-index: 2;
        bottom: 100%;
        margin-bottom: (@plyr-tooltip-padding * 2);
        padding: @plyr-tooltip-padding (@plyr-tooltip-padding * 1.5);
        pointer-events: none;

        opacity: 0;
        background: @plyr-tooltip-bg;
        box-shadow: @plyr-tooltip-shadow;
        border-radius: @plyr-tooltip-radius;

        color: @plyr-tooltip-color;
        font-size: @plyr-font-size-small;
        line-height: 1.3;

        transform: translate(-50%, 10px) scale(.8);
        transform-origin: 50% 100%;
        transition: transform .2s .1s ease, opacity .2s .1s ease, visibility .3s ease;

        // Arrows
        &::after,
        &::before {
            content: '';
            position: absolute;
            width: 0;
            height: 0;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
        }
        // The border triangle
        &::after {
            @plyr-border-arrow-size: (@plyr-tooltip-arrow-size + (@plyr-tooltip-border-width * 1));
            bottom: -(@plyr-border-arrow-size + @plyr-tooltip-border-width);
            border-right: @plyr-border-arrow-size solid transparent;
            border-top: @plyr-border-arrow-size solid @plyr-tooltip-arrow-border-color;
            border-left: @plyr-border-arrow-size solid transparent;
            z-index: 1;
        }
        // The background triangle
        &::before {
            bottom: -@plyr-tooltip-arrow-size;
            border-right: @plyr-tooltip-arrow-size solid transparent;
            border-top: @plyr-tooltip-arrow-size solid @plyr-tooltip-bg;
            border-left: @plyr-tooltip-arrow-size solid transparent;
            z-index: 2;
        }
    }
    button:hover .plyr__tooltip,
    button.tab-focus:focus .plyr__tooltip,
    &__tooltip--visible {
        visibility: visible;
        opacity: 1;
        transform: translate(-50%, 0) scale(1);
    }
    button:hover .plyr__tooltip {
        z-index: 3;
    }

    // Playback progress
    // <progress> element
    &__progress {
        position: relative;
        flex: 1;

        input[type="range"] {
            position: relative;
            z-index: 2;

            &::-webkit-slider-runnable-track {
                background: transparent;
            }
            &::-moz-range-track {
                background: transparent;
            }
            &::-ms-fill-lower,
            &::-ms-fill-upper {
                background: transparent;
            }
        }

        &--buffer[value],
        &--played[value] {
            position: absolute;
            left: 0;
            top: 50%;
            width: 100%;
            height: @range-track-height;
            margin: -(@range-track-height / 2) 0 0;
            padding: 0;
            vertical-align: top;
            appearance: none;
            border: none;
            border-radius: 100px;
        
            &::-webkit-progress-bar {
                background: transparent;
            }
            &::-webkit-progress-value {
                background: currentColor;
                border-radius: 100px;
                min-width: @range-track-height;
            }
            &::-moz-progress-bar {
                background: currentColor;
                border-radius: 100px;
                min-width: @range-track-height;
            }
            &::-ms-fill {
                border-radius: 100px;
            }
        }
        &--played[value] {
            z-index: 1;
            color: @plyr-progress-playing-bg;
            background: transparent;

            &::-webkit-progress-value {
                background: currentColor;
                min-width: @range-track-height;
                border-top-right-radius: 0;
                border-bottom-right-radius: 0;
            }
            &::-moz-progress-bar {
                background: currentColor;
                min-width: @range-track-height;
                border-top-right-radius: 0;
                border-bottom-right-radius: 0;
            }
            &::-ms-fill {
                min-width: @range-track-height;
                border-top-right-radius: 0;
                border-bottom-right-radius: 0;
            }
        }
        &--buffer[value] {
            color: @plyr-progress-buffered-bg;
            background: @range-track-bg;

            &::-webkit-progress-value {
                transition: width .2s ease;
            }
            &::-moz-progress-bar {
                transition: width .2s ease;
            }    
            &::-ms-fill {
                transition: width .2s ease;
            }            
        }

        // Seek tooltip to show time
        .plyr__tooltip {
            left: 0;
        }
    }

    // Loading state
    &--loading .plyr__progress--buffer {
        animation: plyr-progress 1s linear infinite;
        background-size: @plyr-progress-loading-size @plyr-progress-loading-size;
        background-repeat: repeat-x;
        background-color: @plyr-progress-buffered-bg;
        background-image: linear-gradient(
            -45deg,
            @plyr-progress-loading-bg 25%,
            transparent 25%,
            transparent 50%,
            @plyr-progress-loading-bg 50%,
            @plyr-progress-loading-bg 75%,
            transparent 75%,
            transparent);
        color: transparent;
    }

    // States
    &__controls [data-plyr='pause'],
    &--playing .plyr__controls [data-plyr='play'] {
        display: none;
    }
    &--playing .plyr__controls [data-plyr='pause'] {
        display: inline-block;
    }

    // plyr time
    &__time {
        display: inline-block;
        vertical-align: middle;
        color: @plyr-control-color;
        font-size: @plyr-font-size-small;
        line-height: .95;
    }

    // Media duration hidden on small screens
    &__time + &__time {
        display: none;

        @media (min-width: @plyr-bp-control-split) {
            display: inline-block;
        }

        // Add a slash in before
        &::before {
            content: '\2044';
            margin-right: @plyr-control-spacing;
        }
    }

    // Volume control
    // <input[type='range']> element
    // Specificity is for bootstrap compatibility
    &__volume[type='range'] {
        max-width: 100px;
    }

    // Hide sound controls on iOS
    // It's not supported to change volume using JavaScript:
    // https://developer.apple.com/library/safari/documentation/AudioVideo/Conceptual/Using_HTML5_Audio_Video/Device-SpecificConsiderations/Device-SpecificConsiderations.html
    &--is-ios &__volume,
    &--is-ios [data-plyr='mute'],
    &--is-ios.plyr--audio &__controls--right {
        display: none;
    }
    // Center buttons so it looks less odd
    &--is-ios.plyr--audio &__controls--left {
        float: none;
    }

    // Audio specific styles
    // Position the progress within the container
    &--audio .plyr__controls {
        padding-top: (@plyr-control-spacing * 2);
    }
    &--audio .plyr__progress {
        bottom: auto;
        top: 0;
        background: #fff;
    }

    // Full screen mode
    &.plyr--fullscreen,
    &--fullscreen-active {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        height: 100%;
        width: 100%;
        z-index: 10000000;
        background: #000;

        video {
            height: 100%;
        }
        .plyr__video-wrapper {
            height: 100%;
            width: 100%;
        }
        .plyr__controls {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
        }
    }

    // Hide controls when playing in full screen
    &.plyr--hide-controls {
        .plyr__controls {
            opacity: 0;
            visibility: hidden;
        }
    }

    // Change icons on state change
    &--fullscreen-active .icon--exit-fullscreen,
    &--muted .plyr__controls .icon--muted,
    &--captions-active .plyr__controls .icon--captions-on {
        display: block;

        & + svg {
            display: none;
        }
    }

    // Some options are hidden by default
    [data-plyr='captions'],
    [data-plyr='fullscreen'] {
        display: none;
    }
    &--captions-enabled [data-plyr='captions'],
    &--fullscreen-enabled [data-plyr='fullscreen'] {
        display: inline-block;
    }
}