/* Mechanical electric guitar. All styles are scoped to this skin. */
.bgm-guitar {
    position: fixed;
    right: var(--spacing-lg, 20px);
    bottom: var(--spacing-lg, 20px);
    z-index: 9999;
    width: min(340px, calc(100vw - 32px), calc(100dvh - 32px));
    color: #e8c953;
    font-family: var(--f-pre, sans-serif);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .3s, transform .3s;
    user-select: none;
    pointer-events: none;
}

.bgm-guitar button,
.bgm-guitar .guitar-panel>summary,
.bgm-guitar .volume-popup,
.bgm-guitar .playlist-container {
    pointer-events: auto;
}

.bgm-guitar.show {
    opacity: 1;
    transform: translateY(0);
}

.bgm-guitar,
.bgm-guitar * {
    box-sizing: border-box;
}

.bgm-guitar button {
    font-family: inherit;
    cursor: pointer;
}

.bgm-guitar button:focus-visible,
.bgm-guitar summary:focus-visible,
.bgm-guitar input:focus-visible {
    outline: 2px solid var(--btn-accent-bg, #b79036);
    outline-offset: 3px;
}

.bgm-guitar .guitar-stage {
    position: relative;
    aspect-ratio: 1;
    border: 0;
    background: transparent;
    isolation: isolate;
}

/* A narrow amp cabinet keeps the controls beside the guitar. */
.bgm-guitar .guitar-amp {
    position: absolute;
    right: 0;
    bottom: 28px;
    width: 80px;
    height: 102px;
    z-index: 2;
    border: 2px solid #171918;
    border-radius: 7px;
    background: repeating-linear-gradient(115deg, #ffffff03 0 1px, transparent 1px 4px), #292c29;
    box-shadow: inset 0 0 0 1px #ffffff16, 3px 5px 9px #0003;
}

.bgm-guitar .amp-handle {
    position: absolute;
    top: -10px;
    left: 19px;
    width: 38px;
    height: 9px;
    border: 3px solid #30332e;
    border-bottom: 0;
    border-radius: 5px 5px 0 0;
    box-shadow: inset 0 1px #77786b;
}

.bgm-guitar .guitar-amp::before,
.bgm-guitar .guitar-amp::after {
    content: '';
    position: absolute;
    bottom: -5px;
    width: 14px;
    height: 4px;
    background: #22251f;
    border-radius: 0 0 2px 2px;
}

.bgm-guitar .guitar-amp::before {
    left: 9px;
}

.bgm-guitar .guitar-amp::after {
    right: 9px;
}

.bgm-guitar .amp-badge {
    position: absolute;
    top: 16px;
    left: 9px;
    color: #d4c79d;
    font-size: 8px;
    font-weight: 600;
    letter-spacing: .12em;
}

.bgm-guitar .amp-light {
    display: block;
    width: 3px;
    height: 3px;
    margin: 7px auto 0;
    border-radius: 50%;
    background: #686047;
}

.bgm-guitar.playing .amp-light {
    background: var(--btn-accent-bg, #dcc779);
    box-shadow: 0 0 5px var(--btn-accent-bg, #dcc779);
}

.bgm-guitar .amp-grille {
    position: absolute;
    top: 49px;
    bottom: 10px;
    left: 8px;
    width: 27px;
    border: 1px solid #111511;
    border-radius: 3px;
    background: repeating-linear-gradient(0deg, transparent 0 2px, #b8aa7c40 2px 3px), repeating-linear-gradient(90deg, #171c18 0 2px, #9c967240 2px 3px);
    box-shadow: inset 0 0 8px #0009;
}

.bgm-guitar .guitar-amp-controls {
    position: absolute;
    right: 8px;
    bottom: 38px;
    z-index: 4;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 22px;
}

.bgm-guitar .guitar-amp-controls .guitar-minimize {
    position: relative;
    top: auto;
    right: auto;
}

.bgm-guitar .guitar-amp .guitar-panel>summary,
.bgm-guitar .guitar-amp .guitar-slot,
.bgm-guitar .guitar-amp .guitar-minimize {
    box-shadow: inset 0 0 0 1px #ffffff0c;
}

.bgm-guitar .guitar-canvas {
    position: relative;
    z-index: 3;
    display: block;
    width: 100%;
    height: 100%;
    border-radius: inherit;
}

.bgm-guitar .guitar-heading {
    display: none;
}

.bgm-guitar .guitar-led {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #585746;
}

.bgm-guitar.playing .guitar-led {
    background: #ffe37c;
    box-shadow: 0 0 9px #ffe37c99;
}

.bgm-guitar .guitar-minimize {
    position: absolute;
    top: 10px;
    right: 10px;
    display: grid;
    place-items: center;
    width: 22px;
    height: 22px;
    padding: 0;
    border: 0;
    background: var(--btn-secondary-bg, transparent);
    color: var(--btn-secondary-text, #73736b);
    font-size: 18px;
    font-weight: 300;
    line-height: 1;
    border-radius: var(--btn-secondary-radius, 4px);
}

.bgm-guitar .guitar-caption {
    display: none;
}

.bgm-guitar .guitar-caption-label {
    display: block;
    color: #aaa386;
    font-size: 8px;
    letter-spacing: .22em;
}

.bgm-guitar .guitar-track {
    margin-top: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #eee5c4;
    font-size: 11px;
    line-height: 1.5;
}

.bgm-guitar .guitar-panel {
    position: relative;
    width: 22px;
    height: 22px;
}

.bgm-guitar .guitar-panel>summary {
    position: relative;
    z-index: 4;
    display: grid;
    place-items: center;
    width: 22px;
    height: 22px;
    margin: 0;
    list-style: none;
    cursor: pointer;
    border: 0;
    background: var(--btn-secondary-bg, transparent);
    color: var(--btn-secondary-text, #73736b);
    border-radius: var(--btn-secondary-radius, 4px);
}

.bgm-guitar .guitar-panel>summary::-webkit-details-marker {
    display: none;
}

.bgm-guitar .guitar-console {
    position: absolute;
    right: 0;
    bottom: calc(100% + 18px);
    width: 22px;
    z-index: 1;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
}

.bgm-guitar .guitar-panel:not([open])>.guitar-console {
    display: none;
}

.bgm-guitar .guitar-slots {
    display: grid;
    grid-template-columns: 22px;
    gap: 3px;
}

.bgm-guitar .guitar-slot {
    position: relative;
    display: grid;
    place-items: center;
    width: 22px;
    height: 22px;
    padding: 0;
    color: var(--btn-secondary-text, #73736b);
    font-size: 12px;
    border: 0;
    background: var(--btn-secondary-bg, transparent);
    transition: color .2s, opacity .2s;
    border-radius: var(--btn-secondary-radius, 4px);
}

.bgm-guitar .guitar-slot:hover:not(:disabled),
.bgm-guitar .guitar-minimize:hover,
.bgm-guitar .guitar-panel>summary:hover {
    color: var(--btn-accent-text, #fff);
    background: var(--btn-accent-bg, #b79036);
    border-radius: var(--btn-accent-radius, 4px);
}

.bgm-guitar .guitar-slot:active:not(:disabled) {
    opacity: .55;
}

.bgm-guitar .guitar-slot.active {
    color: var(--btn-accent-text, #fff);
    background: var(--btn-accent-bg, #b79036);
    border-radius: var(--btn-accent-radius, 4px);
}

.bgm-guitar .guitar-play {
    color: var(--btn-primary-text, #fff);
    background: var(--btn-primary-bg, #b79036);
    border-radius: var(--btn-primary-radius, 4px);
}

.bgm-guitar .guitar-slot:disabled {
    opacity: .3;
    cursor: default;
}

.bgm-guitar .repeat-one-badge {
    position: absolute;
    right: 2px;
    top: 0;
    font-size: 8px;
}

/* Bar-style knob with native range dragging and keyboard controls. */
.bgm-guitar .guitar-volume {
    --wheel-rotate: -54deg;
    position: relative;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid #ffffff25;
    background: radial-gradient(circle at 30% 30%, #ffffff26 0%, #ffffff05 55%, #00000040 100%);
    pointer-events: auto;
}

.bgm-guitar .guitar-volume:hover {
    border-color: var(--btn-accent-bg, #b79036);
}

.bgm-guitar .guitar-volume:focus-within {
    outline: 2px solid var(--btn-accent-bg, #b79036);
    outline-offset: 3px;
}

.bgm-guitar .guitar-volume .wheel-face {
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    border: 1px solid #ffffff14;
    background: radial-gradient(circle at 60% 20%, #ffffff14 0%, #0000002e 100%);
}

.bgm-guitar .guitar-volume .wheel-needle {
    position: absolute;
    inset: 2px;
    transform: rotate(var(--wheel-rotate));
}

.bgm-guitar .guitar-volume .wheel-needle::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 6px;
    border-radius: 2px;
    background: var(--btn-accent-bg, #b79036);
    transform: translateX(-50%);
    box-shadow: 0 0 6px #0006;
}

.bgm-guitar #volume-slider {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: ew-resize;
}

/* Keep the list beside the amp, with the guitar drawn in front of it. */
.bgm-guitar .playlist-container {
    position: absolute;
    right: 88px;
    bottom: 28px;
    width: min(270px, calc(100vw - 88px - max(16px, var(--spacing-lg, 20px)) - 16px));
    z-index: 1;
    max-height: min(100px, 40dvh);
    overflow-y: auto;
    margin: 0;
    backdrop-filter: blur(10px);
    border-radius: var(--container-border-radius);
    background: var(--container-bg-color, #faf9f6);
    scrollbar-width: thin;
}

.bgm-guitar .guitar-stage:has(.guitar-panel:not([open]))>.playlist-container {
    display: none !important;
}

.bgm-guitar .playlist {
    list-style: none;
    padding: 5px;
    margin: 0;
}

.bgm-guitar .playlist li {
    padding: 8px;
    border-radius: 5px;
    color: var(--content-font-color, #73736b);
    font-size: 11px;
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
}

.bgm-guitar .playlist li:hover,
.bgm-guitar .playlist li.current {
    color: #b79036;
    background: #b790360c;
}

.bgm-guitar .minimized-overlay {
    position: absolute;
    inset: 0;
    padding: 0;
    border: 0;
    border-radius: inherit;
    background: transparent;
    display: none;
}

.bgm-guitar.minimized {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    padding: 0;
    background: var(--card-bg-color);
    border-radius: 8px;
    cursor: pointer;
}

.bgm-guitar.minimized:hover {
    transform: scale(1.05);
}

.bgm-guitar.minimized::before {
    content: '\f8d9';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--accent-color);
}

.bgm-guitar.minimized .player-content {
    display: none;
}

.bgm-guitar.minimized .minimized-overlay {
    display: block;
}

@media (max-width: 480px) {
    .bgm-guitar {
        right: 16px;
        bottom: 16px;
        width: min(300px, calc(100vw - 32px), calc(100dvh - 32px));
    }
}

@media (prefers-reduced-motion: reduce) {

    .bgm-guitar,
    .bgm-guitar .guitar-slot,
    .bgm-guitar .guitar-panel summary svg {
        transition: none;
    }
}

/* Center Font Awesome glyphs in a consistent icon box. */
.bgm-guitar .guitar-slot,
.bgm-guitar .guitar-minimize,
.bgm-guitar .guitar-panel>summary {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.bgm-guitar .guitar-slot .fa-solid,
.bgm-guitar .guitar-minimize .fa-solid,
.bgm-guitar .guitar-panel>summary .fa-solid {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    margin: 0;
    padding: 0;
    font-size: 9px;
    line-height: 1;
    flex: 0 0 14px;
}

.bgm-guitar .guitar-slot .fa-solid::before,
.bgm-guitar .guitar-minimize .fa-solid::before,
.bgm-guitar .guitar-panel>summary .fa-solid::before {
    display: block;
    line-height: 1;
}

.bgm-guitar .guitar-panel>summary .fa-solid {
    transition: transform .25s;
}

.bgm-guitar .guitar-panel[open]>summary .fa-solid {
    transform: rotate(180deg);
}

@media (prefers-reduced-motion: reduce) {
    .bgm-guitar .guitar-panel>summary .fa-solid {
        transition: none;
    }
}

/* Float controls above the amp without changing the amp cabinet size. */
.bgm-guitar .guitar-console .guitar-slot {
    background: color-mix(in srgb, var(--btn-secondary-bg, #f5f2e9) 65%, transparent);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.bgm-guitar .guitar-console .guitar-play {
    background: color-mix(in srgb, var(--btn-primary-bg, #b79036) 65%, transparent);
}

.bgm-guitar .guitar-console .guitar-slot.active,
.bgm-guitar .guitar-console .guitar-slot:hover:not(:disabled) {
    background: color-mix(in srgb, var(--btn-accent-bg, #b79036) 75%, transparent);
}

.bgm-guitar .guitar-panel[open] .guitar-slots {
    animation: guitar-controls-rise .22s ease-out both;
}

@keyframes guitar-controls-rise {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translate(0, 0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .bgm-guitar .guitar-panel[open] .guitar-slots {
        animation: none;
    }
}