/*
 * Site Music Engine — Ultraviolet Steel
 * Built for the folder-driven random playlist engine in site-music-engine.js.
 */

.site-music-engine {
    --music-blue: #2ed6ff;
    --music-blue-soft: #78e8ff;
    --music-violet: #7a5cff;
    --music-violet-soft: #a28fff;
    --music-steel: #6f819c;
    --music-steel-light: #9db0c8;
    --music-ice: #edf7ff;
    --music-muted: #8398b2;
    --music-void: #01040b;
    --music-surface: rgba(3, 8, 19, 0.975);
    position: fixed;
    left: 22px;
    bottom: 22px;
    z-index: 96;
    width: min(375px, calc(100vw - 32px));
    color: var(--music-ice);
    font-family: var(--font-mono, "Roboto Mono", Consolas, monospace);
    pointer-events: none;
    transition: width 220ms ease, transform 220ms ease, opacity 220ms ease;
}

.site-music-engine__shell {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    min-height: 210px;
    border: 1px solid rgba(62, 168, 220, 0.48);
    background:
        radial-gradient(circle at 18% 0%, rgba(46, 214, 255, 0.055), transparent 36%),
        radial-gradient(circle at 92% 100%, rgba(122, 92, 255, 0.07), transparent 42%),
        linear-gradient(145deg, rgba(7, 15, 31, 0.97), rgba(2, 6, 15, 0.99) 54%, rgba(6, 8, 24, 0.98));
    box-shadow:
        0 28px 86px rgba(0, 0, 0, 0.72),
        0 0 0 1px rgba(111, 129, 156, 0.08),
        0 0 32px rgba(46, 214, 255, 0.055),
        0 0 48px rgba(122, 92, 255, 0.038),
        inset 0 1px 0 rgba(152, 226, 255, 0.045);
    clip-path: polygon(14px 0, calc(100% - 18px) 0, 100% 18px, 100% calc(100% - 14px), calc(100% - 14px) 100%, 14px 100%, 0 calc(100% - 14px), 0 14px);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    pointer-events: auto;
}

.site-music-engine__shell::before,
.site-music-engine__shell::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.site-music-engine__shell::before {
    inset: 0;
    z-index: -2;
    background:
        linear-gradient(90deg, var(--music-blue), rgba(46, 214, 255, 0.06) 38%, rgba(122, 92, 255, 0.08) 68%, var(--music-violet)) top / 100% 1px no-repeat,
        linear-gradient(180deg, rgba(46, 214, 255, 0.5), transparent 46%, rgba(122, 92, 255, 0.38)) left / 1px 100% no-repeat,
        linear-gradient(180deg, rgba(122, 92, 255, 0.4), transparent 46%, rgba(46, 214, 255, 0.42)) right / 1px 100% no-repeat,
        linear-gradient(90deg, var(--music-violet), rgba(122, 92, 255, 0.08) 42%, rgba(46, 214, 255, 0.08) 70%, var(--music-blue)) bottom / 100% 1px no-repeat;
    opacity: 0.86;
}

.site-music-engine__shell::after {
    inset: 0;
    z-index: -1;
    background:
        repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.012) 0 1px, transparent 1px 5px),
        linear-gradient(100deg, transparent 0 40%, rgba(46, 214, 255, 0.025) 51%, transparent 62%);
    opacity: 0.62;
}

.site-music-engine__frame {
    position: absolute;
    pointer-events: none;
    clip-path: polygon(10px 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 10px), calc(100% - 10px) 100%, 10px 100%, 0 calc(100% - 10px), 0 10px);
}

.site-music-engine__frame--outer {
    inset: 5px;
    border: 1px solid rgba(111, 129, 156, 0.16);
}

.site-music-engine__frame--inner {
    inset: 10px;
    border-top: 1px solid rgba(46, 214, 255, 0.08);
    border-right: 1px solid rgba(122, 92, 255, 0.07);
    border-bottom: 1px solid rgba(111, 129, 156, 0.08);
    border-left: 1px solid rgba(46, 214, 255, 0.07);
}

.site-music-engine__header,
.site-music-engine__body {
    position: relative;
    z-index: 2;
}

.site-music-engine__header {
    display: grid;
    grid-template-columns: minmax(0, auto) minmax(24px, 1fr) auto 36px;
    align-items: center;
    gap: 10px;
    min-height: 45px;
    padding: 0 10px 0 16px;
    border-bottom: 1px solid rgba(111, 129, 156, 0.17);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent),
        linear-gradient(90deg, rgba(28, 111, 163, 0.11), transparent 55%, rgba(82, 55, 158, 0.11));
}

.site-music-engine__header::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 12px;
    bottom: -1px;
    height: 1px;
    background: linear-gradient(90deg, rgba(46, 214, 255, 0.65), rgba(111, 129, 156, 0.06) 48%, rgba(122, 92, 255, 0.5));
    opacity: 0.55;
}

.site-music-engine__identity {
    display: inline-flex;
    min-width: 0;
    align-items: center;
    gap: 9px;
    white-space: nowrap;
}

.site-music-engine__signal {
    flex: 0 0 auto;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--music-blue);
    box-shadow: 0 0 8px rgba(46, 214, 255, 0.95), 0 0 18px rgba(46, 214, 255, 0.44);
}

.site-music-engine__identity-copy {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    min-width: 0;
}

.site-music-engine__identity-copy strong,
.site-music-engine__identity-copy small,
.site-music-engine__count {
    text-transform: uppercase;
}

.site-music-engine__identity-copy strong {
    color: var(--music-blue-soft);
    font-size: 0.62rem;
    font-weight: 750;
    letter-spacing: 0.13em;
}

.site-music-engine__identity-copy small {
    color: var(--music-steel);
    font-size: 0.53rem;
    letter-spacing: 0.11em;
}

.site-music-engine__header-rail {
    height: 1px;
    min-width: 20px;
    background: linear-gradient(90deg, rgba(46, 214, 255, 0.5), rgba(111, 129, 156, 0.08) 52%, rgba(122, 92, 255, 0.45));
}

.site-music-engine__count {
    display: grid;
    min-width: 70px;
    min-height: 26px;
    padding: 0 9px;
    place-items: center;
    border: 1px solid rgba(111, 129, 156, 0.15);
    color: var(--music-steel-light);
    background: rgba(1, 5, 13, 0.42);
    font-size: 0.53rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-align: center;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.site-music-engine__collapse {
    display: grid;
    width: 34px;
    height: 30px;
    padding: 0;
    place-items: center;
    border: 1px solid rgba(92, 134, 169, 0.26);
    color: var(--music-blue-soft);
    background: rgba(2, 7, 17, 0.78);
    cursor: pointer;
    clip-path: polygon(0 6px, 6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
    transition: border-color 180ms ease, color 180ms ease, background 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.site-music-engine__collapse i {
    transition: transform 220ms ease;
}

.site-music-engine__body {
    display: grid;
    gap: 12px;
    padding: 15px 15px 13px;
    background: rgba(1, 5, 13, 0.12);
}

.site-music-engine__overview {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    align-items: stretch;
    gap: 13px;
}

.site-music-engine__visualizer {
    display: flex;
    min-height: 66px;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 10px 7px;
    overflow: hidden;
    border: 1px solid rgba(80, 137, 176, 0.2);
    background:
        linear-gradient(180deg, rgba(46, 214, 255, 0.03), rgba(122, 92, 255, 0.025)),
        rgba(1, 5, 14, 0.75);
    clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.site-music-engine__visualizer i {
    display: block;
    width: 3px;
    height: 20%;
    min-height: 4px;
    background: linear-gradient(180deg, var(--music-blue-soft), var(--music-violet));
    box-shadow: 0 0 7px rgba(46, 214, 255, 0.32);
    transform-origin: center;
    opacity: 0.48;
}

.site-music-engine[data-playing="true"] .site-music-engine__visualizer i {
    animation: siteMusicBar 760ms ease-in-out infinite alternate;
    opacity: 0.94;
}

.site-music-engine__visualizer i:nth-child(2) { animation-delay: -520ms !important; }
.site-music-engine__visualizer i:nth-child(3) { animation-delay: -210ms !important; }
.site-music-engine__visualizer i:nth-child(4) { animation-delay: -660ms !important; }
.site-music-engine__visualizer i:nth-child(5) { animation-delay: -360ms !important; }
.site-music-engine__visualizer i:nth-child(6) { animation-delay: -740ms !important; }
.site-music-engine__visualizer i:nth-child(7) { animation-delay: -120ms !important; }
.site-music-engine__visualizer i:nth-child(8) { animation-delay: -450ms !important; }
.site-music-engine__visualizer i:nth-child(9) { animation-delay: -610ms !important; }
.site-music-engine__visualizer i:nth-child(10) { animation-delay: -280ms !important; }
.site-music-engine__visualizer i:nth-child(11) { animation-delay: -690ms !important; }
.site-music-engine__visualizer i:nth-child(12) { animation-delay: -70ms !important; }

.site-music-engine__track {
    min-width: 0;
    align-self: center;
}

.site-music-engine__track > span,
.site-music-engine__track > small {
    display: block;
    color: var(--music-muted);
    font-size: 0.55rem;
    letter-spacing: 0.11em;
    line-height: 1.45;
    text-transform: uppercase;
}

.site-music-engine__track > strong {
    display: block;
    margin: 5px 0 4px;
    overflow: hidden;
    color: var(--music-ice);
    font-family: var(--font-display, Inter, sans-serif);
    font-size: 0.94rem;
    font-weight: 740;
    letter-spacing: 0.018em;
    line-height: 1.18;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-shadow: 0 0 16px rgba(46, 214, 255, 0.1);
}

.site-music-engine__controls {
    display: grid;
    grid-template-columns: 35px 42px 35px 35px minmax(90px, 1fr);
    align-items: center;
    gap: 7px;
    padding-top: 11px;
    border-top: 1px solid rgba(111, 129, 156, 0.14);
}

.site-music-engine__control {
    display: grid;
    width: 35px;
    height: 32px;
    padding: 0;
    place-items: center;
    border: 1px solid rgba(92, 134, 169, 0.27);
    color: var(--music-blue-soft);
    background: rgba(3, 10, 23, 0.8);
    cursor: pointer;
    clip-path: polygon(0 6px, 6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
    transition: border-color 180ms ease, color 180ms ease, background 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.site-music-engine__control--primary {
    width: 42px;
    height: 38px;
    border-color: rgba(46, 214, 255, 0.5);
    background: linear-gradient(145deg, rgba(26, 101, 155, 0.2), rgba(65, 42, 140, 0.22));
    box-shadow: 0 0 16px rgba(46, 214, 255, 0.07), inset 0 0 14px rgba(122, 92, 255, 0.05);
}

.site-music-engine__control:hover:not(:disabled),
.site-music-engine__control:focus-visible,
.site-music-engine__collapse:hover,
.site-music-engine__collapse:focus-visible {
    border-color: rgba(46, 214, 255, 0.72);
    color: #fff;
    background: linear-gradient(145deg, rgba(46, 214, 255, 0.13), rgba(122, 92, 255, 0.14));
    box-shadow: 0 0 18px rgba(46, 214, 255, 0.1), inset 0 0 14px rgba(122, 92, 255, 0.07);
    outline: none;
}

.site-music-engine__control:active:not(:disabled),
.site-music-engine__collapse:active {
    transform: scale(0.95);
}

.site-music-engine__control:disabled,
.site-music-engine__volume:disabled,
.site-music-engine__seek:disabled {
    cursor: not-allowed;
    opacity: 0.38;
}

.site-music-engine__icon-pause,
.site-music-engine__icon-muted {
    display: none;
}

.site-music-engine__control[data-playing="true"] .site-music-engine__icon-play {
    display: none;
}

.site-music-engine__control[data-playing="true"] .site-music-engine__icon-pause {
    display: inline-block;
}

.site-music-engine__control[data-muted="true"] .site-music-engine__icon-volume {
    display: none;
}

.site-music-engine__control[data-muted="true"] .site-music-engine__icon-muted {
    display: inline-block;
}

.site-music-engine__volume-wrap {
    display: grid;
    min-width: 0;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 8px;
    padding: 0 9px;
    color: var(--music-steel);
}

.site-music-engine__volume-wrap > i {
    font-size: 0.62rem;
}

.site-music-engine__timeline {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr) 34px;
    align-items: center;
    gap: 9px;
    min-height: 24px;
    color: var(--music-steel-light);
    font-size: 0.53rem;
    letter-spacing: 0.06em;
}

.site-music-engine__volume,
.site-music-engine__seek {
    width: 100%;
    height: 3px;
    margin: 0;
    accent-color: var(--music-violet);
    cursor: pointer;
}

.site-music-engine__timeline span:last-child {
    text-align: right;
}

.site-music-engine__footer {
    display: grid;
    grid-template-columns: auto minmax(18px, 1fr) auto;
    align-items: center;
    gap: 9px;
    color: rgba(111, 129, 156, 0.72);
    font-size: 0.48rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.site-music-engine__footer i {
    height: 1px;
    background: linear-gradient(90deg, rgba(46, 214, 255, 0.26), rgba(111, 129, 156, 0.05) 50%, rgba(122, 92, 255, 0.25));
}

.site-music-engine audio {
    display: none;
}

.site-music-engine[data-ready="false"] .site-music-engine__signal {
    animation: siteMusicSignal 1.2s ease-in-out infinite;
}

.site-music-engine[data-playing="true"] .site-music-engine__signal {
    background: #74efff;
    animation: siteMusicSignal 1.05s ease-in-out infinite;
}

.site-music-engine[data-collapsed="true"] {
    width: min(255px, calc(100vw - 44px));
}

.site-music-engine[data-collapsed="true"] .site-music-engine__shell {
    min-height: 45px;
}

.site-music-engine[data-collapsed="true"] .site-music-engine__body {
    display: none;
}

.site-music-engine[data-collapsed="true"] .site-music-engine__header {
    grid-template-columns: minmax(0, 1fr) auto;
}

.site-music-engine[data-collapsed="true"] .site-music-engine__header-rail,
.site-music-engine[data-collapsed="true"] .site-music-engine__count {
    display: none;
}

.site-music-engine[data-collapsed="true"] .site-music-engine__collapse i {
    transform: rotate(180deg);
}

@keyframes siteMusicBar {
    0% { height: 16%; transform: translateY(0); }
    100% { height: 90%; transform: translateY(0); }
}

@keyframes siteMusicSignal {
    0%, 100% { opacity: 0.55; transform: scale(0.82); }
    50% { opacity: 1; transform: scale(1.18); }
}

@media (max-width: 720px) {
    .site-music-engine {
        left: 12px;
        bottom: calc(env(safe-area-inset-bottom, 0px) + 12px);
        width: min(360px, calc(100vw - 76px));
    }

    .site-music-engine__header {
        grid-template-columns: minmax(0, auto) minmax(16px, 1fr) auto 34px;
        gap: 7px;
        padding-left: 13px;
    }

    .site-music-engine__identity-copy small {
        display: none;
    }

    .site-music-engine__count {
        min-width: 60px;
        padding-inline: 6px;
    }

    .site-music-engine__body {
        gap: 10px;
        padding: 12px;
    }

    .site-music-engine__overview {
        grid-template-columns: 58px minmax(0, 1fr);
        gap: 10px;
    }

    .site-music-engine__visualizer {
        min-height: 58px;
        padding-inline: 5px;
    }

    .site-music-engine__controls {
        grid-template-columns: 32px 38px 32px 32px minmax(64px, 1fr);
        gap: 5px;
    }

    .site-music-engine__control {
        width: 32px;
        height: 30px;
    }

    .site-music-engine__control--primary {
        width: 38px;
        height: 35px;
    }

    .site-music-engine__volume-wrap {
        gap: 5px;
        padding-inline: 5px;
    }

    .site-music-engine__footer {
        display: none;
    }
}

@media (max-width: 430px) {
    .site-music-engine {
        width: min(330px, calc(100vw - 64px));
    }

    .site-music-engine__header-rail {
        display: none;
    }

    .site-music-engine__header {
        grid-template-columns: minmax(0, 1fr) auto 34px;
    }

    .site-music-engine__track > strong {
        font-size: 0.84rem;
    }

    .site-music-engine__volume-wrap > i {
        display: none;
    }

    .site-music-engine__volume-wrap {
        grid-template-columns: minmax(0, 1fr);
    }

    .site-music-engine[data-collapsed="true"] {
        width: min(235px, calc(100vw - 64px));
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-music-engine,
    .site-music-engine *,
    .site-music-engine *::before,
    .site-music-engine *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

/* Searchable public playlist + crossfade controls */
.site-music-engine__playlist[hidden] {
    display: none;
}

.site-music-engine__playlist {
    position: absolute;
    right: 0;
    bottom: calc(100% + 10px);
    left: 0;
    z-index: 5;
    display: grid;
    max-height: min(56vh, 520px);
    overflow: hidden;
    border: 1px solid rgba(69, 173, 224, 0.48);
    color: var(--music-ice);
    background:
        radial-gradient(circle at 10% 0%, rgba(46, 214, 255, 0.08), transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(122, 92, 255, 0.1), transparent 42%),
        rgba(2, 7, 17, 0.88);
    box-shadow:
        0 30px 90px rgba(0, 0, 0, 0.72),
        0 0 28px rgba(46, 214, 255, 0.07),
        inset 0 1px rgba(180, 231, 255, 0.05);
    clip-path: polygon(14px 0, calc(100% - 18px) 0, 100% 18px, 100% calc(100% - 14px), calc(100% - 14px) 100%, 14px 100%, 0 calc(100% - 14px), 0 14px);
    backdrop-filter: blur(22px) saturate(1.12);
    -webkit-backdrop-filter: blur(22px) saturate(1.12);
    pointer-events: auto;
    animation: siteMusicPlaylistIn 180ms ease-out both;
}

.site-music-engine__playlist::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        linear-gradient(90deg, var(--music-blue), transparent 45%, var(--music-violet)) top / 100% 1px no-repeat,
        linear-gradient(180deg, rgba(46, 214, 255, 0.42), transparent 50%, rgba(122, 92, 255, 0.38)) left / 1px 100% no-repeat,
        linear-gradient(180deg, rgba(122, 92, 255, 0.38), transparent 50%, rgba(46, 214, 255, 0.42)) right / 1px 100% no-repeat,
        repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.012) 0 1px, transparent 1px 5px);
}

.site-music-engine__playlist-header {
    display: flex;
    min-height: 52px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px 9px 16px;
    border-bottom: 1px solid rgba(111, 129, 156, 0.18);
    background: linear-gradient(90deg, rgba(31, 110, 161, 0.13), transparent 54%, rgba(82, 55, 158, 0.13));
}

.site-music-engine__playlist-header div {
    display: grid;
    gap: 3px;
}

.site-music-engine__playlist-header span,
.site-music-engine__playlist-header strong {
    text-transform: uppercase;
}

.site-music-engine__playlist-header span {
    color: var(--music-blue-soft);
    font-size: 0.62rem;
    letter-spacing: 0.14em;
}

.site-music-engine__playlist-header strong {
    color: var(--music-steel-light);
    font-size: 0.51rem;
    letter-spacing: 0.1em;
}

.site-music-engine__playlist-header button {
    display: grid;
    width: 34px;
    height: 31px;
    padding: 0;
    place-items: center;
    border: 1px solid rgba(111, 129, 156, 0.24);
    color: var(--music-blue-soft);
    background: rgba(1, 5, 13, 0.62);
    cursor: pointer;
    clip-path: polygon(0 6px, 6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.site-music-engine__playlist-search {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 9px;
    margin: 12px 12px 8px;
    padding: 0 11px;
    min-height: 39px;
    border: 1px solid rgba(81, 145, 187, 0.26);
    color: var(--music-violet-soft);
    background: rgba(1, 5, 13, 0.66);
}

.site-music-engine__playlist-search input {
    width: 100%;
    min-width: 0;
    border: 0;
    outline: 0;
    color: var(--music-ice);
    background: transparent;
    font: inherit;
    font-size: 0.58rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-music-engine__playlist-search input::placeholder {
    color: rgba(131, 152, 178, 0.7);
}

.site-music-engine__playlist-scroll {
    min-height: 0;
    overflow: auto;
    overscroll-behavior: contain;
    scrollbar-color: rgba(122, 92, 255, 0.65) rgba(2, 7, 17, 0.65);
    scrollbar-width: thin;
}

.site-music-engine__playlist-scroll ol {
    display: grid;
    gap: 4px;
    margin: 0;
    padding: 4px 10px 10px;
    list-style: none;
}

.site-music-engine__playlist-scroll li[hidden] {
    display: none;
}

.site-music-engine__playlist-scroll button {
    position: relative;
    display: grid;
    width: 100%;
    grid-template-columns: 30px minmax(0, 1fr) 8px;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    overflow: hidden;
    border: 1px solid rgba(111, 129, 156, 0.12);
    color: var(--music-ice);
    background: rgba(6, 13, 27, 0.58);
    text-align: left;
    cursor: pointer;
    transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.site-music-engine__playlist-scroll button:hover,
.site-music-engine__playlist-scroll button:focus-visible,
.site-music-engine__playlist-scroll button[data-active="true"] {
    border-color: rgba(46, 214, 255, 0.48);
    background: linear-gradient(90deg, rgba(46, 214, 255, 0.09), rgba(122, 92, 255, 0.08));
    outline: none;
}

.site-music-engine__playlist-scroll button:hover {
    transform: translateX(2px);
}

.site-music-engine__playlist-scroll button > span:first-child {
    color: var(--music-steel);
    font-size: 0.55rem;
    letter-spacing: 0.08em;
}

.site-music-engine__playlist-scroll button > span:nth-child(2) {
    display: grid;
    min-width: 0;
    gap: 3px;
}

.site-music-engine__playlist-scroll strong,
.site-music-engine__playlist-scroll small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-music-engine__playlist-scroll strong {
    color: var(--music-ice);
    font-family: var(--font-display, Inter, sans-serif);
    font-size: 0.72rem;
    letter-spacing: 0.02em;
}

.site-music-engine__playlist-scroll small {
    color: var(--music-muted);
    font-size: 0.49rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.site-music-engine__playlist-scroll button > i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #40506a;
}

.site-music-engine__playlist-scroll button[data-active="true"] > i {
    background: var(--music-blue);
    box-shadow: 0 0 9px rgba(46, 214, 255, 0.9);
    animation: siteMusicSignal 1.05s ease-in-out infinite;
}

.site-music-engine__playlist-empty {
    margin: 18px;
    color: var(--music-steel);
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    text-align: center;
}

.site-music-engine__playlist footer {
    display: grid;
    grid-template-columns: auto minmax(18px, 1fr) auto;
    align-items: center;
    gap: 9px;
    padding: 9px 12px 11px;
    border-top: 1px solid rgba(111, 129, 156, 0.14);
    color: rgba(111, 129, 156, 0.74);
    font-size: 0.45rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.site-music-engine__playlist footer i {
    height: 1px;
    background: linear-gradient(90deg, rgba(46, 214, 255, 0.3), transparent 52%, rgba(122, 92, 255, 0.3));
}

.site-music-engine__tools {
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: center;
    gap: 7px;
}

.site-music-engine__tools button {
    display: inline-flex;
    min-height: 29px;
    align-items: center;
    gap: 7px;
    padding: 0 9px;
    border: 1px solid rgba(92, 134, 169, 0.23);
    color: var(--music-steel-light);
    background: rgba(2, 7, 17, 0.68);
    font: inherit;
    font-size: 0.49rem;
    letter-spacing: 0.08em;
    cursor: pointer;
    clip-path: polygon(0 5px, 5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%);
}

.site-music-engine__tools button:hover,
.site-music-engine__tools button:focus-visible,
.site-music-engine__tools button[aria-expanded="true"],
.site-music-engine__tools button[data-enabled="true"] {
    border-color: rgba(46, 214, 255, 0.58);
    color: var(--music-blue-soft);
    background: linear-gradient(145deg, rgba(46, 214, 255, 0.1), rgba(122, 92, 255, 0.1));
    outline: none;
}

.site-music-engine__tools button:disabled {
    cursor: not-allowed;
    opacity: 0.38;
}

.site-music-engine__fade-readout {
    overflow: hidden;
    color: rgba(111, 129, 156, 0.72);
    font-size: 0.46rem;
    letter-spacing: 0.09em;
    text-align: right;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@keyframes siteMusicPlaylistIn {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.985);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 430px) {
    .site-music-engine__playlist {
        position: fixed;
        right: 10px;
        bottom: calc(env(safe-area-inset-bottom, 0px) + 250px);
        left: 10px;
        width: auto;
        max-height: min(52vh, 470px);
    }

    .site-music-engine__tools {
        grid-template-columns: 1fr 1fr;
    }

    .site-music-engine__tools button {
        justify-content: center;
    }

    .site-music-engine__fade-readout {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-music-engine__playlist {
        animation: none;
    }
}

/* Smart Crossfade state feedback. */
.site-music-engine__tools button[data-music-crossfade][data-enabled="true"] i {
    color: var(--music-violet-soft);
    filter: drop-shadow(0 0 7px rgba(122, 92, 255, 0.58));
}

.site-music-engine[data-transition="crossfade"] .site-music-engine__signal,
.site-music-engine[data-transition="crossfade"] .site-music-engine__tools button[data-music-crossfade] i {
    animation: siteMusicSmartPulse 760ms ease-in-out infinite alternate;
}

.site-music-engine[data-transition="crossfade"] .site-music-engine__fade-readout {
    color: var(--music-blue-soft);
    text-shadow:
        0 0 8px rgba(46, 214, 255, 0.42),
        0 0 14px rgba(122, 92, 255, 0.26);
}

.site-music-engine[data-transition="gap"] .site-music-engine__fade-readout {
    color: var(--music-steel-light);
}

@keyframes siteMusicSmartPulse {
    from {
        opacity: 0.58;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1.12);
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-music-engine[data-transition="crossfade"] .site-music-engine__signal,
    .site-music-engine[data-transition="crossfade"] .site-music-engine__tools button[data-music-crossfade] i {
        animation: none;
    }
}

/* =========================================================
   Seek interaction hardening
   Keep the timeline usable before, during, and after fades.
   ========================================================= */

.site-music-engine__timeline {
    position: relative;
    z-index: 6;
}

.site-music-engine__seek {
    position: relative;
    z-index: 7;
    min-height: 20px;
    pointer-events: auto;
    touch-action: none;
}

.site-music-engine[data-transition="crossfade"] .site-music-engine__seek,
.site-music-engine[data-transition="gap"] .site-music-engine__seek {
    pointer-events: auto;
    cursor: ew-resize;
    opacity: 1;
}

/* =========================================================
   PLAYLIST SCROLL — HARDENED
   Uses a real flex viewport and explicitly restores pointer,
   wheel, trackpad, and touch scrolling inside the drawer.
   ========================================================= */

.site-music-engine[data-playlist-open="true"] {
    pointer-events: auto;
}

.site-music-engine__playlist {
    display: flex;
    flex-direction: column;
    height: min(520px, calc(100dvh - 140px));
    max-height: calc(100dvh - 140px);
    min-height: 260px;
    overflow: hidden;
    pointer-events: auto !important;
}

.site-music-engine__playlist-header,
.site-music-engine__playlist-search,
.site-music-engine__playlist > footer {
    flex: 0 0 auto;
}

.site-music-engine__playlist-scroll {
    position: relative;
    z-index: 3;
    flex: 1 1 0;
    width: 100%;
    min-width: 0;
    min-height: 0;
    max-height: none;
    overflow-x: hidden !important;
    overflow-y: scroll !important;
    pointer-events: auto !important;
    overscroll-behavior: contain;
    touch-action: pan-y !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    scrollbar-color:
        rgba(122, 92, 255, 0.78)
        rgba(2, 7, 17, 0.7);
}

.site-music-engine__playlist-scroll ol {
    display: grid;
    min-height: max-content;
    margin: 0;
}

.site-music-engine__playlist-scroll::-webkit-scrollbar {
    width: 8px;
}

.site-music-engine__playlist-scroll::-webkit-scrollbar-track {
    background: rgba(2, 7, 17, 0.7);
}

.site-music-engine__playlist-scroll::-webkit-scrollbar-thumb {
    border: 2px solid rgba(2, 7, 17, 0.7);
    border-radius: 999px;
    background:
        linear-gradient(
            180deg,
            rgba(46, 214, 255, 0.9),
            rgba(122, 92, 255, 0.88)
        );
}

.site-music-engine__playlist-scroll::-webkit-scrollbar-thumb:hover {
    background:
        linear-gradient(
            180deg,
            rgba(120, 232, 255, 1),
            rgba(162, 143, 255, 1)
        );
}

@media (max-width: 430px) {
    .site-music-engine__playlist {
        position: fixed;
        top: max(10px, env(safe-area-inset-top, 0px));
        right: 10px;
        bottom: calc(env(safe-area-inset-bottom, 0px) + 245px);
        left: 10px;
        width: auto;
        height: auto;
        max-height: none;
        min-height: 0;
    }

    .site-music-engine__playlist-scroll {
        flex-basis: 0;
        touch-action: pan-y !important;
    }
}


/* =========================================================
   PLAYLIST SCROLL — FINAL VIEWPORT LOCK
   The runtime also assigns an exact pixel height when the
   drawer opens, preventing parent transforms/grid sizing from
   turning the list into a non-scrollable clipped region.
   ========================================================= */

.site-music-engine__playlist {
    display: grid !important;
    grid-template-rows: auto auto minmax(0, 1fr) auto !important;
    height: min(520px, calc(100dvh - 140px)) !important;
    max-height: calc(100dvh - 140px) !important;
    min-height: 260px;
    overflow: hidden !important;
    pointer-events: auto !important;
}

.site-music-engine__playlist-scroll {
    position: relative;
    z-index: 4;
    align-self: stretch;
    width: 100%;
    min-width: 0;
    min-height: 0 !important;
    height: clamp(140px, 38vh, 360px);
    max-height: 360px;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    pointer-events: auto !important;
    overscroll-behavior: contain;
    overflow-anchor: none;
    touch-action: pan-y !important;
    -webkit-overflow-scrolling: touch;
}

.site-music-engine__playlist-scroll ol {
    display: flex !important;
    flex-direction: column;
    width: 100%;
    min-height: 0 !important;
    height: auto !important;
    margin: 0;
}

.site-music-engine__playlist-scroll li {
    flex: 0 0 auto;
    min-width: 0;
}

.site-music-engine__playlist-scroll:focus {
    outline: 1px solid rgba(46, 214, 255, 0.34);
    outline-offset: -1px;
}

@media (max-width: 430px) {
    .site-music-engine__playlist {
        height: auto !important;
        min-height: 0;
        max-height: none !important;
    }

    .site-music-engine__playlist-scroll {
        height: 100% !important;
        max-height: none !important;
    }
}

/* =========================================================
   COMPACT PLAYLIST VIEWPORT — FINAL
   Keep the archive attached to the player. JavaScript assigns
   exact fixed coordinates when opened; these rules are the
   safe no-JavaScript fallback and prevent full-screen takeover.
   ========================================================= */

.site-music-engine__playlist {
    display: grid !important;
    grid-template-rows: auto auto minmax(0, 1fr) auto !important;
    height: min(480px, calc(100dvh - 150px));
    min-height: 230px;
    max-height: min(480px, calc(100dvh - 150px));
    overflow: hidden !important;
    pointer-events: auto !important;
}

.site-music-engine__playlist-header {
    position: relative;
    z-index: 20;
}

.site-music-engine__playlist-header button,
.site-music-engine__playlist-header [data-music-playlist-close] {
    position: relative;
    z-index: 30;
    pointer-events: auto !important;
    touch-action: manipulation;
}

.site-music-engine__playlist-scroll {
    position: relative;
    z-index: 4;
    width: 100%;
    min-width: 0;
    min-height: 0 !important;
    height: auto;
    max-height: none;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    pointer-events: auto !important;
    overscroll-behavior: contain;
    touch-action: pan-y !important;
    -webkit-overflow-scrolling: touch;
}

.site-music-engine__playlist-scroll ol {
    display: flex !important;
    width: 100%;
    min-height: max-content !important;
    height: auto !important;
    flex-direction: column;
    margin: 0;
}

.site-music-engine__playlist-scroll li {
    flex: 0 0 auto;
    min-width: 0;
}

@media (max-width: 540px), (max-height: 720px) {
    /*
     * Fallback only. The runtime positions this panel precisely above
     * the player. Never stretch it to all four viewport edges.
     */
    .site-music-engine__playlist {
        position: absolute !important;
        top: auto !important;
        right: 0 !important;
        bottom: calc(100% + 10px) !important;
        left: 0 !important;
        width: 100% !important;
        height: min(420px, calc(100dvh - 140px)) !important;
        min-height: 230px !important;
        max-height: min(420px, calc(100dvh - 140px)) !important;
        transform: none !important;
    }
}

/* =========================================================
   PLAYLIST VISIBILITY — FINAL CASCADE FIX
   Later playlist layout rules use display: grid !important.
   The hidden attribute must therefore also use !important or
   the close button changes state without hiding the drawer.
   ========================================================= */

.site-music-engine__playlist[hidden],
.site-music-engine[data-playlist-open="false"]
    .site-music-engine__playlist {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

/* =========================================================
   PLAY ORDER TOGGLE
   Random order is enabled by default and stored per visitor.
   ========================================================= */

.site-music-engine__tools {
    grid-template-columns: auto auto auto minmax(0, 1fr);
}

.site-music-engine__tools button[data-music-shuffle][data-enabled="true"] i {
    color: var(--music-blue-soft);
    filter: drop-shadow(0 0 7px rgba(46, 214, 255, 0.58));
}

.site-music-engine[data-shuffle="true"]
    .site-music-engine__identity-copy small {
    color: rgba(111, 232, 255, 0.76);
}

.site-music-engine[data-shuffle="false"]
    .site-music-engine__identity-copy small {
    color: rgba(174, 188, 209, 0.68);
}

@media (max-width: 430px) {
    .site-music-engine__tools {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 5px;
    }

    .site-music-engine__tools button {
        min-width: 0;
        gap: 5px;
        justify-content: center;
        padding-inline: 5px;
        font-size: 0.43rem;
    }

    .site-music-engine__tools button span {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}