/* ==================================================
   Custom Audio Playlist — Liza Studio Design System
   ================================================== */

/* -- Design tokens -- */
.custom-audio-playlist {
    --lsw-ink:          #0F1218;
    --lsw-ink-2:        #171B23;
    --lsw-surface:      rgba(255,255,255,.045);
    --lsw-surface-2:    rgba(255,255,255,.08);
    --lsw-line:         rgba(255,255,255,.09);
    --lsw-text:         #F2F5F7;
    --lsw-text-sub:     rgba(242,245,247,.65);
    --lsw-text-faint:   rgba(242,245,247,.4);
    --lsw-accent:       #1DB954;
    --lsw-accent-2:     #1ED760;
    --lsw-on-accent:    #06130A;
    --lsw-radius:       20px;
    --lsw-radius-sm:    12px;
    --lsw-radius-xs:    8px;
    --lsw-radius-pill:  999px;
    --lsw-shadow:       0 24px 48px -24px rgba(0,0,0,.55);
    --lsw-transition:   .18s ease;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    background-color: var(--lsw-ink);
    background-image: radial-gradient(120% 100% at 50% 0%, rgba(255,255,255,.06), transparent 55%);
    border: 1px solid var(--lsw-line);
    border-radius: var(--lsw-radius);
    box-shadow: var(--lsw-shadow);
    overflow: hidden;
    color: var(--lsw-text);
    max-width: 100%;
}

/* Light skin — flips the neutrals, keeps the accent */
.custom-audio-playlist.skin-light {
    --lsw-ink:          #FFFFFF;
    --lsw-ink-2:        #F4F6F8;
    --lsw-surface:      rgba(15,18,24,.045);
    --lsw-surface-2:    rgba(15,18,24,.08);
    --lsw-line:         rgba(15,18,24,.1);
    --lsw-text:         #16181D;
    --lsw-text-sub:     rgba(22,24,29,.65);
    --lsw-text-faint:   rgba(22,24,29,.42);
    --lsw-shadow:       0 24px 48px -28px rgba(15,18,24,.28);

    background-image: none;
}

/* -- Header -- */
.custom-audio-playlist .playlist-header {
    padding: 22px 22px 18px;
    border-bottom: 1px solid var(--lsw-line);
}

.custom-audio-playlist .playlist-eyebrow {
    margin: 0 0 6px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--lsw-accent);
}

.custom-audio-playlist .playlist-title {
    margin: 0 0 4px;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--lsw-text);
}

.custom-audio-playlist .playlist-description {
    margin: 0;
    font-size: 13px;
    color: var(--lsw-text-sub);
    line-height: 1.5;
}

/* -- Player area -- */
.custom-audio-playlist .audio-player {
    padding: 20px 22px 18px;
}

/* Now playing: artwork + labels */
.custom-audio-playlist .now-playing {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.custom-audio-playlist .now-artwork {
    position: relative;
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: var(--lsw-radius-sm);
    background: var(--lsw-surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 10px 24px -10px color-mix(in srgb, var(--lsw-accent) 45%, transparent);
}

.custom-audio-playlist .now-artwork img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.custom-audio-playlist .now-artwork.no-art img {
    display: none;
}

.custom-audio-playlist .now-artwork .artwork-fallback {
    width: 22px;
    height: 22px;
    fill: var(--lsw-text-faint);
}

.custom-audio-playlist .audio-player > .track-info,
.custom-audio-playlist .now-playing .track-info {
    text-align: left;
    min-width: 0;
    flex: 1;
    margin: 0;
}

.custom-audio-playlist .current-track-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--lsw-text);
    line-height: 1.3;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.custom-audio-playlist .current-track-artist {
    font-size: 13px;
    color: var(--lsw-text-sub);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* -- Progress bar -- */
.custom-audio-playlist .progress-container {
    margin-bottom: 16px;
}

.custom-audio-playlist .progress-bar {
    width: 100%;
    height: 5px;
    background: var(--lsw-surface-2);
    border-radius: var(--lsw-radius-pill);
    cursor: pointer;
    position: relative;
    overflow: visible;
    transition: height var(--lsw-transition);
}

.custom-audio-playlist .progress-bar:hover {
    height: 7px;
}

.custom-audio-playlist .progress-fill {
    height: 100%;
    background: var(--lsw-accent);
    border-radius: var(--lsw-radius-pill);
    position: relative;
    transition: width .1s linear;
    pointer-events: none;
    box-shadow: 0 0 12px color-mix(in srgb, var(--lsw-accent) 40%, transparent);
}

.custom-audio-playlist .progress-bar:hover .progress-fill::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 13px;
    height: 13px;
    background: var(--lsw-text);
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0,0,0,.5);
}

.custom-audio-playlist .time-display {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 11px;
    color: var(--lsw-text-faint);
    font-variant-numeric: tabular-nums;
    letter-spacing: .02em;
}

.custom-audio-playlist .time-display .sep {
    display: none;
}

/* -- Controls -- */
.custom-audio-playlist .audio-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.custom-audio-playlist .audio-controls button {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    border: none;
    color: var(--lsw-text-sub);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
    transition: color var(--lsw-transition), transform var(--lsw-transition), background var(--lsw-transition), box-shadow var(--lsw-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
    line-height: 1;
}

.custom-audio-playlist .audio-controls button svg {
    width: 48%;
    height: 48%;
    fill: currentColor;
    display: block;
}

.custom-audio-playlist .audio-controls button:not(.play-pause):hover {
    color: var(--lsw-text);
    background: var(--lsw-surface);
    transform: scale(1.06);
}

/* Play/pause — the hero button */
.custom-audio-playlist .audio-controls .play-pause {
    width: 48px;
    height: 48px;
    background: var(--lsw-accent);
    color: var(--lsw-on-accent);
    border-radius: 50%;
    box-shadow: 0 10px 24px -8px color-mix(in srgb, var(--lsw-accent) 70%, transparent);
}

.custom-audio-playlist .audio-controls .play-pause:hover {
    background: var(--lsw-accent-2);
    transform: scale(1.06);
}

.custom-audio-playlist .audio-controls .play-pause svg {
    width: 44%;
    height: 44%;
}

/* Icon state swap driven by .is-playing / .is-muted on the root */
.custom-audio-playlist .icon-pause,
.custom-audio-playlist.is-playing .icon-play {
    display: none;
}

.custom-audio-playlist.is-playing .icon-pause {
    display: block;
}

.custom-audio-playlist .icon-volume-off,
.custom-audio-playlist.is-muted .icon-volume-on {
    display: none;
}

.custom-audio-playlist.is-muted .icon-volume-off {
    display: block;
}

/* -- Volume -- */
.custom-audio-playlist .volume-control {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

.custom-audio-playlist .mute-toggle {
    width: 30px !important;
    height: 30px !important;
}

.custom-audio-playlist .volume-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 76px;
    height: 4px;
    background: linear-gradient(to right,
        var(--lsw-accent) var(--vol, 100%),
        var(--lsw-surface-2) var(--vol, 100%));
    border-radius: var(--lsw-radius-pill);
    outline: none;
    cursor: pointer;
}

.custom-audio-playlist .volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--lsw-text);
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--lsw-transition);
}

.custom-audio-playlist .volume-control:hover .volume-slider::-webkit-slider-thumb {
    opacity: 1;
}

.custom-audio-playlist .volume-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: var(--lsw-text);
    border-radius: 50%;
    border: none;
    cursor: pointer;
}

/* -- Playlist -- */
.custom-audio-playlist .audio-playlist {
    max-height: 300px;
    overflow-y: auto;
    padding: 8px;
    border-top: 1px solid var(--lsw-line);
}

.custom-audio-playlist .audio-playlist::-webkit-scrollbar {
    width: 4px;
}

.custom-audio-playlist .audio-playlist::-webkit-scrollbar-track {
    background: transparent;
}

.custom-audio-playlist .audio-playlist::-webkit-scrollbar-thumb {
    background: var(--lsw-surface-2);
    border-radius: var(--lsw-radius-pill);
}

/* Track row */
.custom-audio-playlist .playlist-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    cursor: pointer;
    border-radius: var(--lsw-radius-sm);
    transition: background var(--lsw-transition);
    min-height: 52px;
}

.custom-audio-playlist .playlist-item:hover {
    background: var(--lsw-surface);
}

.custom-audio-playlist .playlist-item.active {
    background: color-mix(in srgb, var(--lsw-accent) 10%, transparent);
}

/* Optional hairline dividers between rows */
.custom-audio-playlist.has-dividers .playlist-item + .playlist-item {
    border-top: 1px solid var(--lsw-line);
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

/* Index column: number, or equalizer when active */
.custom-audio-playlist .track-index {
    width: 22px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-audio-playlist .track-num {
    font-size: 13px;
    color: var(--lsw-text-faint);
    font-variant-numeric: tabular-nums;
}

.custom-audio-playlist .track-eq {
    display: none;
    align-items: flex-end;
    gap: 2px;
    height: 14px;
}

.custom-audio-playlist .playlist-item.active .track-num {
    display: none;
}

.custom-audio-playlist .playlist-item.active .track-eq {
    display: inline-flex;
}

.custom-audio-playlist .track-eq i {
    width: 3px;
    height: 30%;
    border-radius: 2px;
    background: var(--lsw-accent);
    animation: lsw-eq 1s ease-in-out infinite;
}

.custom-audio-playlist .track-eq i:nth-child(2) { animation-delay: .25s; }
.custom-audio-playlist .track-eq i:nth-child(3) { animation-delay: .5s; }

.custom-audio-playlist:not(.is-playing) .track-eq i {
    animation-play-state: paused;
}

@keyframes lsw-eq {
    0%, 100% { height: 30%; }
    50%      { height: 100%; }
}

/* Row artwork thumbnail (optional) */
.custom-audio-playlist .track-thumb {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: var(--lsw-radius-xs);
    object-fit: cover;
    background: var(--lsw-surface-2);
}

.custom-audio-playlist .playlist-item .track-info {
    text-align: left;
    margin: 0;
    min-width: 0;
    flex: 1;
}

.custom-audio-playlist .playlist-item .track-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--lsw-text);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
    transition: color var(--lsw-transition);
}

.custom-audio-playlist .playlist-item .track-artist {
    font-size: 12px;
    color: var(--lsw-text-sub);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.custom-audio-playlist .playlist-item .track-duration {
    font-size: 12px;
    color: var(--lsw-text-faint);
    font-variant-numeric: tabular-nums;
    letter-spacing: .02em;
    flex-shrink: 0;
    text-align: right;
}

/* Active track */
.custom-audio-playlist .playlist-item.active .track-title {
    color: var(--lsw-accent);
    font-weight: 600;
}

/* -- Placeholder (no tracks) -- */
.custom-audio-playlist .audio-playlist-placeholder {
    padding: 44px 22px;
    text-align: center;
    color: var(--lsw-text-sub);
}

.custom-audio-playlist .audio-playlist-placeholder p {
    margin: 0 0 6px;
    font-size: 14px;
}

.custom-audio-playlist .audio-playlist-placeholder p:last-child {
    margin: 0;
}

/* -- Error -- */
.custom-audio-playlist .audio-error-message {
    background: rgba(255,61,61,.12);
    border: 1px solid rgba(255,61,61,.25);
    color: #FF6B6B;
    padding: 10px 14px;
    border-radius: var(--lsw-radius-xs);
    margin-top: 12px;
    font-size: 13px;
    text-align: center;
}

/* -- Focus states -- */
.custom-audio-playlist .audio-controls button:focus-visible,
.custom-audio-playlist .volume-slider:focus-visible,
.custom-audio-playlist .playlist-item:focus-visible {
    outline: 2px solid var(--lsw-accent);
    outline-offset: 2px;
}

/* -- Responsive -- */
@media (max-width: 480px) {
    .custom-audio-playlist .playlist-header,
    .custom-audio-playlist .audio-player {
        padding-left: 16px;
        padding-right: 16px;
    }

    .custom-audio-playlist .audio-controls {
        gap: 6px;
    }

    .custom-audio-playlist .volume-slider {
        width: 52px;
    }

    .custom-audio-playlist .now-artwork {
        width: 48px;
        height: 48px;
    }

    .custom-audio-playlist .playlist-item {
        gap: 10px;
        padding: 8px 10px;
    }

    .custom-audio-playlist .playlist-title {
        font-size: 17px;
    }
}

/* -- Reduced motion -- */
@media (prefers-reduced-motion: reduce) {
    .custom-audio-playlist,
    .custom-audio-playlist * {
        transition: none !important;
        animation: none !important;
    }
}

/* -- High contrast -- */
@media (prefers-contrast: high) {
    .custom-audio-playlist {
        border: 1px solid rgba(255,255,255,.4);
    }

    .custom-audio-playlist .playlist-item.active {
        outline: 2px solid var(--lsw-accent);
    }
}