/* ACE Unified Player interface adapted for the ACE Learn+ Grade 12 catalogue. */
.ace-course-player-instance{
    width:100%;
    max-width:none;
    margin:0 0 24px;
    padding:0;
    box-sizing:border-box;
    overflow:visible;
    background:#000;
}
.ace-course-player-instance *,
.ace-course-player-instance *::before,
.ace-course-player-instance *::after{box-sizing:border-box}

.ace-course-player{
    width:100%;
    max-width:none;
    margin:0;
    padding:0;
    background:#000;
    color:#fff;
    border-radius:0;
    overflow:hidden;
}

.ace-course-player-main{display:block;width:100%;background:#000}
.ace-course-player-stage{
    width:100%;
    min-width:0;
    margin:0;
    padding:0;
    position:relative;
    background:#000;
}
.ace-course-player-viewport{
    position:relative;
    width:100%;
    height:0;
    padding:56.25% 0 0;
    margin:0;
    background:#000;
    overflow:hidden;
}
.ace-course-player-frame{
    position:absolute;
    inset:0;
    display:block;
    width:100%!important;
    height:100%!important;
    border:0;
}
.ace-course-player-shield{
    position:absolute;
    inset:0;
    z-index:4;
    background:transparent;
    pointer-events:auto;
}
.ace-course-player-controls{
    position:absolute;
    left:0;
    right:0;
    bottom:0;
    z-index:6;
    display:flex;
    align-items:center;
    gap:5px;
    min-height:42px;
    padding:5px 7px;
    flex-wrap:nowrap;
    background:linear-gradient(to top,rgba(0,0,0,.92),rgba(0,0,0,.58),transparent);
}
.ace-course-player-controls button{
    flex:0 0 auto;
    min-width:38px;
    min-height:34px;
    border:1px solid rgba(255,255,255,.2);
    background:rgba(12,12,12,.84);
    color:#fff;
    border-radius:6px;
    padding:5px 7px;
    cursor:pointer;
    font-size:11px;
    line-height:1;
    touch-action:manipulation;
}
.ace-course-player-time{
    flex:0 0 auto;
    min-width:78px;
    text-align:center;
    font-variant-numeric:tabular-nums;
    font-size:11px;
}
.ace-course-player-range{
    flex:1 1 auto;
    width:auto;
    min-width:40px;
    margin:0 2px;
    accent-color:#fff;
    touch-action:none;
}
.ace-course-player-sidebar{
    width:100%;
    min-width:0;
    background:#111;
    padding:8px 10px 10px;
    overflow:hidden;
}
.ace-course-player-heading{font-weight:700;font-size:14px;margin:0 0 4px}
.ace-course-player-context{font-size:11px;color:#aaa;margin-bottom:6px}
.ace-course-player-list{
    display:flex;
    flex-direction:row;
    flex-wrap:nowrap;
    gap:8px;
    width:100%;
    overflow-x:auto;
    overflow-y:hidden;
    padding:2px 2px 7px;
    scroll-snap-type:x proximity;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:thin;
}
.ace-course-video-item{
    flex:0 0 180px;
    width:180px;
    min-width:180px;
    display:flex;
    flex-direction:column;
    gap:5px;
    padding:5px;
    border-radius:7px;
    background:#1a1a1a;
    color:#fff;
    border:1px solid transparent;
    cursor:pointer;
    text-align:left;
    scroll-snap-align:start;
    overflow:hidden;
}
.ace-course-video-item.is-active{border-color:#fff}
.ace-course-video-item img{
    display:block;
    width:100%;
    aspect-ratio:16/9;
    height:auto;
    object-fit:cover;
    border-radius:4px;
    background:#222;
}
.ace-course-video-item-title{
    display:-webkit-box;
    width:100%;
    min-height:30px;
    overflow:hidden;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2;
    font-size:11px;
    line-height:1.3;
    text-align:left;
}
.ace-course-player-meta{display:none}
.ace-course-player-stop{display:none}
.ace-course-player-instance.is-playing .ace-course-player-play{display:none}
.ace-course-player-instance.is-playing .ace-course-player-stop{display:inline-block}



.ace-course-player-heading-row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    margin:0 0 5px;
}
.ace-course-player-heading-row .ace-course-player-heading{
    margin:0;
    flex:0 0 auto;
}
.ace-course-player-search{
    position:relative;
    flex:1 1 320px;
    min-width:180px;
    max-width:420px;
}
.ace-course-video-search{
    display:block;
    width:100%;
    height:36px;
    margin:0;
    padding:7px 36px 7px 12px;
    border:1px solid #444;
    border-radius:18px;
    background:#1b1b1b;
    color:#fff;
    font-size:13px;
    line-height:20px;
    outline:none;
}
.ace-course-video-search::placeholder{color:#aaa}
.ace-course-video-search:focus{
    border-color:#888;
    box-shadow:0 0 0 2px rgba(255,255,255,.08);
}
.ace-course-video-search-clear{
    position:absolute;
    right:6px;
    top:4px;
    width:28px;
    height:28px;
    padding:0;
    border:0;
    border-radius:50%;
    background:transparent;
    color:#bbb;
    font-size:21px;
    line-height:28px;
    cursor:pointer;
}
.ace-course-video-search-clear:hover,
.ace-course-video-search-clear:focus{color:#fff}
.ace-course-video-item[hidden]{display:none!important}
.ace-course-video-no-results{
    flex:1 0 100%;
    width:100%;
    padding:14px 8px;
    color:#aaa;
    font-size:12px;
    text-align:center;
}
@media (max-width:600px){
    .ace-course-player-heading-row{
        align-items:stretch;
        flex-direction:column;
        gap:6px;
    }
    .ace-course-player-search{
        width:100%;
        max-width:none;
        min-width:0;
    }
    .ace-course-video-search{
        height:38px;
        border-radius:19px;
        font-size:14px;
    }
}

/* ============================================================
   ACE Unified Engine 36.12 — true-aspect mobile full-bleed
   The video remains 16:9 and is never stretched. The player
   itself is full viewport width on phones/tablets, independent
   of the LearnDash/theme content container.
   ============================================================ */



@media (max-width:1100px){

    /* Escape the LearnDash/theme content column without changing
       the document's normal flow or creating horizontal overflow. */
    .ace-course-player-instance{
        position:relative!important;
        display:block!important;
        width:100vw!important;
        max-width:100vw!important;
        margin-left:calc(50% - 50vw)!important;
        margin-right:calc(50% - 50vw)!important;
        padding:0!important;
        border:0!important;
        background:#000!important;
        overflow:visible!important;
    }

    .ace-course-player{
        width:100vw!important;
        max-width:100vw!important;
        margin:0!important;
        padding:0!important;
        border:0!important;
        border-radius:0!important;
        background:#000!important;
        overflow:hidden!important;
    }

    .ace-course-player-main,
    .ace-course-player-stage{
        width:100%!important;
        max-width:none!important;
        margin:0!important;
        padding:0!important;
        background:#000!important;
    }

    /*
     * IMPORTANT:
     * Do not use 100vh for the video. A phone portrait viewport is
     * much taller than 16:9 and forcing the iframe to that height
     * distorts/crops the player unnecessarily.
     *
     * The viewport is exactly the video's natural 16:9 presentation,
     * while its width is the complete device width.
     */
    .ace-course-player-viewport{
        position:relative!important;
        width:100vw!important;
        height:auto!important;
        aspect-ratio:16 / 9!important;
        padding:0!important;
        margin:0!important;
        border:0!important;
        background:#000!important;
        overflow:hidden!important;
    }

    .ace-course-player-frame{
        position:absolute!important;
        inset:0!important;
        display:block!important;
        width:100%!important;
        height:100%!important;
        max-width:none!important;
        max-height:none!important;
        min-width:0!important;
        min-height:0!important;
        margin:0!important;
        padding:0!important;
        border:0!important;
        transform:none!important;
    }

    .ace-course-player-shield{
        position:absolute!important;
        inset:0!important;
        width:100%!important;
        height:100%!important;
        z-index:4!important;
        background:transparent!important;
    }

    .ace-course-player-controls{
        position:absolute!important;
        left:0!important;
        right:0!important;
        bottom:0!important;
        width:100%!important;
        max-width:none!important;
        min-height:38px!important;
        padding:3px 5px max(3px,env(safe-area-inset-bottom))!important;
        z-index:7!important;
    }

    .ace-course-player-sidebar{
        width:100vw!important;
        max-width:100vw!important;
        margin:0!important;
        padding:8px 10px 10px!important;
        border-radius:0!important;
        overflow:hidden!important;
        background:#111!important;
    }

    .ace-course-player-list{
        width:100%!important;
        max-width:none!important;
        overflow-x:auto!important;
        overflow-y:hidden!important;
        -webkit-overflow-scrolling:touch!important;
        overscroll-behavior-x:contain!important;
    }

    .ace-course-video-item{
        flex:0 0 145px!important;
        width:145px!important;
        min-width:145px!important;
    }
}

/* Portrait: full device width, native 16:9 height.
   No distortion and no horizontal white space. */
@media (max-width:1100px) and (orientation:portrait){
    .ace-course-player-instance,
    .ace-course-player{
        width:100vw!important;
        max-width:100vw!important;
    }

    .ace-course-player-viewport{
        width:100vw!important;
        height:calc(100vw * 0.5625)!important;
        aspect-ratio:16 / 9!important;
    }
}

/* Landscape: same rule — full device width and exact 16:9.
   This removes side gutters without stretching the video. */
@media (max-width:1100px) and (orientation:landscape){
    .ace-course-player-instance,
    .ace-course-player{
        width:100vw!important;
        max-width:100vw!important;
    }

    .ace-course-player-viewport{
        width:100vw!important;
        height:calc(100vw * 0.5625)!important;
        aspect-ratio:16 / 9!important;
    }

    .ace-course-player-controls{
        min-height:34px!important;
        padding-top:2px!important;
        padding-bottom:max(2px,env(safe-area-inset-bottom))!important;
    }
}

/* Compact controls only; never alter video geometry. */
@media (max-width:420px){
    .ace-course-player-controls{
        gap:2px!important;
        min-height:32px!important;
        padding-left:4px!important;
        padding-right:4px!important;
    }

    .ace-course-player-controls button{
        min-width:30px!important;
        min-height:29px!important;
        padding:3px 4px!important;
        font-size:10px!important;
    }

    .ace-course-player-time{
        min-width:58px!important;
        font-size:10px!important;
    }
}

/* Desktop: standard responsive 16:9 presentation. */
@media (min-width:1101px){
    .ace-course-player-instance{
        width:100%!important;
        max-width:none!important;
        margin:0 0 24px!important;
    }

    .ace-course-player-viewport{
        width:100%!important;
        height:0!important;
        aspect-ratio:auto!important;
        padding-top:56.25%!important;
        max-height:none!important;
    }

    .ace-course-player-frame{
        left:0!important;
        top:0!important;
        width:100%!important;
        height:100%!important;
        transform:none!important;
    }
}

.ace-course-player-instance.ace-focus .ace-course-player-sidebar{display:none}
.ace-course-player-instance.ace-focus .ace-course-player-main{display:block}


/* Grade 12 all-subject controls layered onto the ACE Unified Player shell. */
.ace-grade12-unified-instance{margin:24px auto 30px!important;border-radius:14px;overflow:hidden;background:#000;box-shadow:0 12px 34px rgba(23,32,51,.16)}
.ace-grade12-player-header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 24px;background:#172033;color:#fff}
.ace-grade12-player-header span:first-child{display:block;margin-bottom:5px;color:#aebfe0;font-size:10px;font-weight:850;letter-spacing:1.3px}
.ace-grade12-player-header h2{margin:0 0 5px;color:#fff;font-size:clamp(21px,3vw,29px);line-height:1.2}
.ace-grade12-player-header p{margin:0;color:#d1d9e8;font-size:13px}
.ace-grade12-player-total{flex:0 0 auto;padding:7px 12px;border-radius:30px;background:#263a59;color:#fff;font-size:11px;font-weight:800;white-space:nowrap}
.ace-grade12-unified-instance .ace-course-player-context{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.ace-grade12-unified-instance .ace-course-player-context strong{color:#fff}
.ace-grade12-subject-filters{display:flex;gap:7px;overflow-x:auto;padding:1px 0 9px;margin:0 0 4px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.ace-grade12-subject-filters button{flex:0 0 auto;min-height:30px;padding:5px 11px;border:1px solid #424242;border-radius:20px;background:#202020;color:#ddd;font-size:11px;font-weight:700;cursor:pointer}
.ace-grade12-subject-filters button.is-active{border-color:#e5242b;background:#e5242b;color:#fff}
.ace-grade12-unified-instance .ace-course-video-item-subject{display:block;color:#aab8d1;font-size:10px;text-align:left}
.ace-grade12-unified-instance .ace-course-video-item{min-height:100px}
.ace-grade12-unified-instance .ace-course-video-item[hidden]{display:none!important}
.ace-grade12-unified-instance .ace-course-player-controls button[data-action="repeat"][aria-pressed="true"]{border-color:#e5242b;background:#7c1b20}
.ace-grade12-unified-instance.ace-focus .ace-course-player-sidebar{display:none}
.ace-grade12-unified-instance.ace-focus{position:relative;z-index:5}
.ace-course-player-empty{margin:20px 0;padding:18px;border:1px solid #e5d8b7;border-radius:10px;background:#fff9eb;color:#6b5426;font-size:14px}
@media(max-width:650px){
 .ace-grade12-unified-instance{width:100%;border-radius:8px}
 .ace-grade12-player-header{align-items:flex-start;flex-direction:column;padding:18px}
 .ace-grade12-player-total{align-self:flex-start}
 .ace-grade12-unified-instance .ace-course-player-sidebar{padding:9px}
 .ace-grade12-unified-instance .ace-course-video-item{flex-basis:145px!important;width:145px!important;min-width:145px!important}
}


/* ACE Learn+ dark streaming strip: visible scrollbar and working arrows.
   Scoped to the unified grade player; video cards and their dimensions stay unchanged. */
.ace-grade12-unified-instance,
.ace-grade12-unified-instance .ace-course-player,
.ace-grade12-unified-instance .ace-course-player-main,
.ace-grade12-unified-instance .ace-course-player-stage,
.ace-grade12-unified-instance .ace-course-player-sidebar,
.ace-grade12-unified-instance .ace-grade12-player-header{
    background:#000!important;
    color:#fff!important;
}
.ace-grade12-unified-instance{
    box-shadow:none!important;
}
.ace-grade12-unified-instance .ace-grade12-player-header{
    border-bottom:1px solid #242424;
}
.ace-grade12-unified-instance .ace-grade12-player-total{
    background:#202020!important;
    color:#fff!important;
}
.ace-grade12-unified-instance .ace-course-video-strip{
    display:flex;
    align-items:center;
    gap:7px;
    width:100%;
    min-width:0;
    background:#000!important;
}
.ace-grade12-unified-instance .ace-course-player-list{
    flex:1 1 auto;
    width:0;
    min-width:0;
    max-width:100%;
    overflow-x:scroll!important;
    overflow-y:hidden!important;
    scrollbar-width:auto!important;
    scrollbar-color:#e5242b #4a4a4a!important;
    scroll-behavior:smooth;
    background:#000!important;
    padding:3px 2px 12px!important;
}
.ace-grade12-unified-instance .ace-course-player-list::-webkit-scrollbar{
    display:block!important;
    height:10px!important;
}
.ace-grade12-unified-instance .ace-course-player-list::-webkit-scrollbar-track{
    background:#4a4a4a!important;
    border-radius:10px!important;
}
.ace-grade12-unified-instance .ace-course-player-list::-webkit-scrollbar-thumb{
    background:#e5242b!important;
    border:2px solid #4a4a4a!important;
    border-radius:10px!important;
}
.ace-grade12-unified-instance .ace-course-video-scroll{
    display:flex!important;
    flex:0 0 24px!important;
    align-items:center!important;
    justify-content:center!important;
    width:24px!important;
    height:34px!important;
    padding:0!important;
    border:0!important;
    border-radius:4px!important;
    background:#171717!important;
    color:#fff!important;
    font-size:25px!important;
    line-height:1!important;
    cursor:pointer!important;
}
.ace-grade12-unified-instance .ace-course-video-scroll:hover,
.ace-grade12-unified-instance .ace-course-video-scroll:focus{
    background:#e5242b!important;
    color:#fff!important;
    outline:2px solid #e5242b!important;
    outline-offset:1px!important;
}
.ace-grade12-unified-instance .ace-course-video-item{
    background:#1a1a1a!important;
    color:#fff!important;
}
.ace-grade12-unified-instance .ace-course-video-item-title,
.ace-grade12-unified-instance .ace-course-video-item-subject{
    color:#fff!important;
}
.ace-grade12-unified-instance .ace-course-video-no-results{
    background:#000!important;
    color:#aaa!important;
}
.ace-grade12-unified-instance .ace-course-player-empty{
    background:#111!important;
    color:#ddd!important;
    border-color:#333!important;
}
@media(max-width:650px){
    .ace-grade12-unified-instance .ace-course-video-scroll{
        flex-basis:20px!important;
        width:20px!important;
        height:30px!important;
    }
    .ace-grade12-unified-instance .ace-course-player-list{
        scrollbar-width:auto!important;
        padding-bottom:12px!important;
    }
}