.ytpp-main {
    --ytpp-gap: 0.75rem;
    --ytpp-radius: 6px;
    --ytpp-accent: #f00;

    display: grid;
    gap: var(--ytpp-gap);
    margin-block: 1rem;

    &.ytpp-layout-side {
        grid-template-columns: minmax(0, 3fr) minmax(0, 1fr);

        .ytpp-list {
            grid-template-columns: 1fr;
            align-content: start;
            /* Matches the list height to the player instead of stretching the row. */
            block-size: 0;
            min-block-size: 100%;
            overflow-y: auto;
        }
    }

    @media (width < 640px) {
        &.ytpp-layout-side {
            grid-template-columns: 1fr;

            .ytpp-list {
                block-size: auto;
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            }
        }
    }
}

.ytpp-stage {
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: var(--ytpp-radius);
    overflow: hidden;

    iframe {
        display: block;
        inline-size: 100%;
        block-size: 100%;
        border: 0;
    }
}

.ytpp-facade {
    all: unset;
    position: relative;
    display: block;
    inline-size: 100%;
    block-size: 100%;
    cursor: pointer;

    img {
        inline-size: 100%;
        block-size: 100%;
        object-fit: cover;
    }

    .ytpp-play {
        position: absolute;
        inset: 50% auto auto 50%;
        translate: -50% -50%;
        inline-size: 68px;
        aspect-ratio: 68 / 48;
        border-radius: 14px;
        background: rgb(0 0 0 / 0.75);
        transition: background-color 0.15s;

        &::after {
            content: "";
            position: absolute;
            inset: 50% auto auto 54%;
            translate: -50% -50%;
            border-block: 10px solid transparent;
            border-inline-start: 17px solid #fff;
        }
    }

    &:is(:hover, :focus-visible) .ytpp-play {
        background: var(--ytpp-accent);
    }

    &:focus-visible {
        outline: 3px solid var(--ytpp-accent);
        outline-offset: -3px;
    }
}

.ytpp-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--ytpp-gap);
    margin: 0;
    padding: 0;
    list-style: none;

    .ytpp-layout-grid & {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

.ytpp-item {
    all: unset;
    display: grid;
    gap: 0.375rem;
    inline-size: 100%;
    cursor: pointer;

    img {
        inline-size: 100%;
        aspect-ratio: 16 / 9;
        object-fit: cover;
        border-radius: var(--ytpp-radius);
        opacity: 0.8;
        transition: opacity 0.15s;
    }

    &:is(:hover, :focus-visible, [aria-current]) img {
        opacity: 1;
    }

    &[aria-current] img {
        box-shadow: 0 0 0 3px var(--ytpp-accent);
    }

    &:focus-visible {
        outline: 3px solid var(--ytpp-accent);
        outline-offset: 3px;
        border-radius: var(--ytpp-radius);
    }
}

.ytpp-item-title {
    font-size: 0.875em;
    line-height: 1.3;
}

.ytpp-notice {
    margin: 0;
    font-size: 0.8125em;
    opacity: 0.8;
}

.ytpp-dialog {
    inline-size: min(960px, 92vw);
    padding: 0;
    border: 0;
    background: transparent;
    overflow: visible;

    &::backdrop {
        background: rgb(0 0 0 / 0.85);
    }
}

.ytpp-dialog-close {
    position: absolute;
    inset: -3rem 0 auto auto;
    inline-size: 2.5rem;
    aspect-ratio: 1;
    border: 0;
    border-radius: 50%;
    background: #fff;
    color: #000;
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;

    &:focus-visible {
        outline: 3px solid var(--ytpp-accent);
        outline-offset: 2px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ytpp-main * {
        transition: none !important;
    }
}