/* Explorer: breadcrumbs, listings, file viewer and media player. Uses the tokens of styles.css. */

/* ---------- page ---------- */

.explorer {
    padding-block: var(--space-6) var(--space-8);
}

.explorer__head {
    margin-bottom: var(--space-5);
}

.explorer__title {
    margin-top: var(--space-3);
    font-size: var(--fs-xl);
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.explorer__meta {
    margin-top: var(--space-2);
    font-size: var(--fs-xs);
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--text-faint);
}

.explorer__empty {
    padding: var(--space-7) var(--space-4);
    text-align: center;
    color: var(--text-muted);
}

/* ---------- breadcrumbs ---------- */

.crumbs__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-1) var(--space-2);
    margin: 0;
    padding: 0;
    list-style: none;
    font-family: var(--font-mono);
    font-size: var(--fs-s);
    color: var(--text-muted);
}

.crumbs__list li {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-width: 0;
}

.crumbs__list li + li::before {
    content: "/";
    color: var(--text-faint);
}

.crumbs__link {
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-s);
    color: var(--text-muted);
    text-decoration: none;
    overflow-wrap: anywhere;
}

.crumbs__link:hover {
    color: var(--accent-strong);
}

.crumbs__current {
    color: var(--text);
    overflow-wrap: anywhere;
}

/* ---------- descriptions ---------- */

.description {
    max-width: 75ch;
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--line);
    border-left: 2px solid var(--accent);
    border-radius: var(--radius-m);
    background: var(--surface-1);
    color: var(--text-muted);
    white-space: pre-line;
    overflow-wrap: anywhere;
}

/* ---------- listing ---------- */

.file-list {
    margin: 0;
    padding: 0;
    list-style: none;
    overflow: hidden;
}

.file-row + .file-row {
    border-top: 1px solid var(--line);
}

.file-row__link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-left: 2px solid transparent;
    color: var(--text);
    text-decoration: none;
}

.file-row__link:hover {
    border-left-color: var(--accent);
    background: var(--surface-2);
}

.file-row__link:focus-visible {
    border-left-color: var(--accent);
    background: var(--surface-2);
    box-shadow: inset 0 0 0 2px var(--pink-300);
}

.file-row__icon {
    display: inline-flex;
    flex: none;
    color: var(--text-faint);
}

.file-row--dir .file-row__icon {
    color: var(--accent);
}

.file-row__link:hover .file-row__icon {
    color: var(--accent-strong);
}

.file-row__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    min-width: 0;
}

.file-row__name {
    overflow-wrap: anywhere;
}

.file-row--dir .file-row__name {
    font-weight: 500;
    color: var(--pink-100);
}

.file-row__desc {
    display: -webkit-box;
    margin-top: 2px;
    overflow: hidden;
    font-size: var(--fs-s);
    color: var(--text-muted);
    white-space: pre-line;
    overflow-wrap: anywhere;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-clamp: 3;
}

.file-row__meta {
    flex: none;
    font-size: var(--fs-xs);
    color: var(--text-faint);
    white-space: nowrap;
}

/* ---------- file view ---------- */

.file-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.file-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: auto;
}

.file-nav__pos {
    min-width: 4ch;
    font-size: var(--fs-s);
    text-align: center;
    color: var(--text-muted);
}

.viewer--image {
    display: flex;
    justify-content: center;
    padding: var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    background:
        repeating-conic-gradient(var(--surface-2) 0 25%, var(--surface-1) 0 50%) 0 0 / 24px 24px;
}

.viewer__image {
    display: block;
    max-width: 100%;
    max-height: 75vh;
    height: auto;
}

.viewer__text {
    max-height: 75vh;
    margin: 0;
    padding: var(--space-4);
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    background: var(--surface-1);
    font-family: var(--font-mono);
    font-size: var(--fs-s);
    line-height: 1.6;
    color: var(--text);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    tab-size: 4;
}

.viewer__notice {
    margin-top: var(--space-3);
    font-size: var(--fs-s);
    color: var(--accent-strong);
}

.viewer__unsupported {
    padding: var(--space-7) var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    background: var(--surface-1);
    text-align: center;
    color: var(--text-muted);
}

.viewer__hint {
    margin-top: var(--space-3);
    font-size: var(--fs-s);
    color: var(--text-faint);
}

.viewer__hint[hidden] {
    display: none;
}

/* ---------- player ---------- */

.player {
    position: relative;
}

.player [hidden] {
    display: none !important;
}

.player--video {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-l);
    background: #000;
}

.player--video .player__media {
    display: block;
    width: 100%;
    max-height: 75vh;
    background: #000;
}

.player--audio .player__media {
    display: block;
    width: 100%;
}

.player--audio.is-enhanced .player__media {
    display: none;
}

/* Custom parts only exist once player.js has enhanced the element. */
.player:not(.is-enhanced) > :not(.player__media) {
    display: none;
}

.player.is-fullscreen,
.player:fullscreen {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 0;
}

.player.is-fullscreen .player__media,
.player:fullscreen .player__media {
    width: 100%;
    height: 100%;
    max-height: none;
    object-fit: contain;
}

.player.is-idle {
    cursor: none;
}

/* audio art */

.player__audio-art {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-7) var(--space-4) var(--space-6);
    border: 1px solid var(--line);
    border-bottom: 0;
    border-radius: var(--radius-l) var(--radius-l) 0 0;
    background:
        radial-gradient(ellipse at 50% 0%, var(--accent-soft), transparent 70%),
        var(--surface-1);
    color: var(--accent);
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}

/* Cover (or placeholder icon) with the big play button stacked on top of it. */
.player__art-stage {
    display: grid;
    place-items: center;
    width: min(16rem, 100%);
}

.player__art-stage > * {
    grid-area: 1 / 1;
}

.player__audio-art .icon {
    width: 4rem;
    height: 4rem;
}

.player__cover {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    background: var(--surface-2);
}

.player__title {
    max-width: 100%;
    font-size: var(--fs-l);
    color: var(--text);
    text-align: center;
    overflow-wrap: anywhere;
}

/* big play, spinner, toast, error */

.player__bigplay {
    position: absolute;
    top: 50%;
    left: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    width: 4.5rem;
    height: 4.5rem;
    margin: -2.25rem 0 0 -2.25rem;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    background: rgba(12, 11, 16, .62);
    backdrop-filter: blur(6px);
    color: var(--pink-100);
    cursor: pointer;
}

.player__bigplay .icon {
    width: 1.75rem;
    height: 1.75rem;
}

.player.is-paused .player__bigplay,
.player.is-ended .player__bigplay {
    display: flex;
}

.player.has-error .player__bigplay {
    display: none;
}

.player--audio .player__bigplay {
    position: static;
    margin: 0;
}

/* Without a cover the button takes the placeholder note's place instead of sitting on it. */
.player--audio.is-paused:not(.has-error) .player__art-stage > .icon {
    visibility: hidden;
}

.player__bigplay:hover {
    box-shadow: var(--glow);
}

.player__bigplay:focus-visible {
    box-shadow: var(--focus-ring);
    outline: none;
}

.player__spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    display: none;
    margin: -1.25rem 0 0 -1.25rem;
    color: var(--pink-200);
    pointer-events: none;
}

.player__spinner .icon {
    width: 2.5rem;
    height: 2.5rem;
}

.player.is-buffering .player__spinner {
    display: block;
}

.player--audio .player__spinner {
    top: var(--space-4);
    right: var(--space-4);
    left: auto;
    margin: 0;
}

.player--audio .player__spinner .icon {
    width: 1.5rem;
    height: 1.5rem;
}

.player__toast {
    position: absolute;
    top: var(--space-4);
    left: 50%;
    z-index: 2;
    padding: var(--space-1) var(--space-3);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-m);
    background: rgba(12, 11, 16, .82);
    font-family: var(--font-mono);
    font-size: var(--fs-s);
    color: var(--text);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-50%);
    pointer-events: none;
}

.player__toast.is-visible {
    opacity: 1;
}

.player__error {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-5);
    background: rgba(12, 11, 16, .88);
    color: var(--danger);
    text-align: center;
}

.player__error p {
    max-width: 40ch;
    color: var(--text);
}

/* controls */

.player__controls {
    padding: var(--space-2) var(--space-3) var(--space-2);
}

.player--video .player__controls {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding-top: var(--space-7);
    background: linear-gradient(to top, rgba(0, 0, 0, .82), rgba(0, 0, 0, .45) 55%, transparent);
}

.player--audio .player__controls {
    border: 1px solid var(--line);
    border-radius: 0 0 var(--radius-l) var(--radius-l);
    background: var(--surface-2);
}

.player.is-idle .player__controls {
    opacity: 0;
    pointer-events: none;
}

.player__bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-1) var(--space-2);
}

.player__group {
    display: flex;
    align-items: center;
    gap: 2px;
    min-width: 0;
}

.player__btn {
    display: inline-flex;
    flex: none;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: 0;
    border-radius: var(--radius-s);
    background: transparent;
    color: var(--text);
    font: inherit;
    cursor: pointer;
}

.player__btn:hover {
    background: rgba(255, 255, 255, .08);
    color: var(--pink-100);
}

.player__btn:focus-visible {
    box-shadow: var(--focus-ring);
    outline: none;
}

.player__btn[aria-pressed="true"] {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.player__btn:disabled {
    opacity: .35;
    cursor: default;
    background: transparent;
    color: var(--text);
}

.player__btn .icon {
    width: 1.25rem;
    height: 1.25rem;
}

.player__speed {
    width: auto;
    min-width: 3.25rem;
    padding: 0 var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--fs-s);
}

.player__time {
    padding-inline: var(--space-2);
    font-size: var(--fs-xs);
    font-variant-numeric: tabular-nums;
    color: var(--text-muted);
    white-space: nowrap;
}

/* volume */

.player__volume-group {
    display: flex;
    align-items: center;
}

.player__volume {
    --vol: 1;
    width: 5.5rem;
    height: 1.25rem;
    margin: 0 var(--space-1);
    background: transparent;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.player__volume:focus-visible {
    border-radius: var(--radius-s);
    box-shadow: var(--focus-ring);
    outline: none;
}

.player__volume::-webkit-slider-runnable-track {
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(to right, var(--accent) calc(var(--vol) * 100%), rgba(255, 255, 255, .2) 0);
}

.player__volume::-webkit-slider-thumb {
    width: 12px;
    height: 12px;
    margin-top: -4px;
    border: 0;
    border-radius: 50%;
    background: var(--pink-200);
    -webkit-appearance: none;
}

.player__volume::-moz-range-track {
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, .2);
}

.player__volume::-moz-range-progress {
    height: 4px;
    border-radius: 2px;
    background: var(--accent);
}

.player__volume::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border: 0;
    border-radius: 50%;
    background: var(--pink-200);
}

/* seek bar */

.player__seek {
    position: relative;
    display: flex;
    align-items: center;
    height: 1.25rem;
    cursor: pointer;
    touch-action: none;
    outline: none;
}

.player__seek-track {
    position: relative;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, .18);
}

.player__seek-buffered,
.player__seek-played {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    transform-origin: left center;
}

.player__seek-buffered {
    background: rgba(255, 255, 255, .26);
    transform: scaleX(var(--buffered, 0));
}

.player__seek-played {
    background: var(--accent-gradient);
    transform: scaleX(var(--played, 0));
}

.player__seek-thumb {
    position: absolute;
    top: 50%;
    left: calc(var(--played, 0) * 100%);
    width: 12px;
    height: 12px;
    margin: -6px 0 0 -6px;
    border-radius: 50%;
    background: var(--pink-200);
    box-shadow: 0 0 0 3px rgba(214, 138, 191, .28);
    transform: scale(0);
}

.player__seek:hover .player__seek-track,
.player__seek:focus-visible .player__seek-track,
.player.is-seeking .player__seek-track {
    height: 6px;
}

.player__seek:hover .player__seek-thumb,
.player__seek:focus-visible .player__seek-thumb,
.player.is-seeking .player__seek-thumb {
    transform: scale(1);
}

.player__seek:focus-visible .player__seek-track {
    box-shadow: var(--focus-ring);
}

.player__seek-tooltip {
    position: absolute;
    bottom: calc(100% + var(--space-1));
    left: var(--hover-x, 0px);
    padding: 2px var(--space-2);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-s);
    background: rgba(12, 11, 16, .9);
    font-size: var(--fs-xs);
    color: var(--text);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-50%);
    pointer-events: none;
}

.player__seek-tooltip:empty {
    display: none;
}

.player__seek:hover .player__seek-tooltip,
.player.is-seeking .player__seek-tooltip {
    opacity: 1;
}

/* keyboard help */

.player__help {
    position: absolute;
    inset: 0;
    z-index: 3;
    padding: var(--space-4) var(--space-5);
    overflow: auto;
    background: rgba(12, 11, 16, .95);
    backdrop-filter: blur(4px);
}

.player--audio .player__help {
    border-radius: var(--radius-l);
}

.player__help-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.player__help-title {
    font-size: var(--fs-m);
    font-weight: 600;
    color: var(--pink-200);
}

.player__keys {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: var(--space-2) var(--space-4);
    margin: 0;
    font-size: var(--fs-s);
}

.player__keys dt {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.player__keys dd {
    margin: 0;
    color: var(--text-muted);
}

/* ---------- small screens ---------- */

@media (max-width: 640px) {
    .file-nav {
        margin-left: 0;
    }

    .file-row__link {
        padding-inline: var(--space-3);
    }
}

@media (max-width: 480px) {
    .player__volume {
        display: none;
    }

    /* Below the video instead of over it, except in fullscreen. */
    .player--video:not(.is-fullscreen) .player__controls {
        position: static;
        padding-top: var(--space-2);
        background: var(--surface-2);
    }

    .player--video:not(.is-fullscreen).is-idle .player__controls {
        opacity: 1;
        pointer-events: auto;
    }

    .player--video:not(.is-fullscreen) .player__bigplay {
        top: calc(50% - 2.75rem);
    }

    .player__time {
        padding-inline: var(--space-1);
    }

    .player__btn {
        width: 2rem;
        height: 2rem;
    }

    .player__keys {
        grid-template-columns: 1fr;
        gap: 0 var(--space-4);
    }

    .player__keys dd {
        margin-bottom: var(--space-2);
    }
}

/* ---------- motion ---------- */

@media (prefers-reduced-motion: no-preference) {
    .file-row__link,
    .file-row__icon,
    .player__btn,
    .player__bigplay {
        transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
            border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
    }

    .player__controls,
    .player__toast,
    .player__seek-tooltip {
        transition: opacity 200ms var(--ease);
    }

    .player__seek-track {
        transition: height var(--dur) var(--ease);
    }

    .player__seek-thumb {
        transition: transform var(--dur) var(--ease);
    }

    .player.is-buffering .player__spinner .icon {
        animation: player-spin .9s linear infinite;
    }
}

@keyframes player-spin {
    to {
        transform: rotate(360deg);
    }
}