.app-shell {
    min-height: 100dvh;
}

.playlist-panel,
.player-panel {
    border: 1px solid var(--bs-border-color);
}

.app-header {
    flex: 0 0 auto;
}

.track-btn {
    text-align: left;
}

.queue-toolbar {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    background-color: rgba(var(--bs-body-color-rgb), 0.03);
    overflow-x: auto;
}

.queue-toolbar-group {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.35rem;
    flex: 0 0 auto;
}

.queue-toolbar-group-end {
    margin-left: auto;
    padding-left: 0;
    gap: 0.35rem;
}

.queue-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.queue-toolbar .form-check {
    margin-bottom: 0;
    min-height: auto;
    padding-left: 0;
}

.queue-toggle-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.queue-toolbar .form-check-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--bs-border-color);
    border-radius: var(--bs-border-radius-sm);
    background-color: var(--bs-body-bg);
    cursor: pointer;
    user-select: none;
    min-height: auto;
    line-height: 1.5;
    transition:
        border-color 0.15s ease,
        background-color 0.15s ease,
        color 0.15s ease,
        box-shadow 0.15s ease;
}

.queue-toolbar .btn.btn-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1.5;
}

.queue-toolbar .form-check-label:hover {
    border-color: var(--bs-secondary-color);
}

.queue-toggle-input:focus-visible + .form-check-label {
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.2);
}

.queue-toggle-input:checked + .form-check-label {
    border-color: var(--bs-primary);
    background-color: rgba(var(--bs-primary-rgb), 0.12);
    color: var(--bs-primary-text-emphasis, var(--bs-primary));
}

.queue-icon {
    width: 1rem;
    text-align: center;
}

.track-row {
    gap: 0.75rem;
}

.track-check {
    margin-top: 0.2rem;
}

.track-item.active {
    border-color: var(--bs-primary);
    background-color: rgba(var(--bs-primary-rgb), 0.08);
}

[data-bs-theme="dark"] .track-item.active {
    background-color: rgba(var(--bs-primary-rgb), 0.2);
}

.track-main {
    min-width: 0;
}

.track-order {
    min-width: 2rem;
    text-align: center;
}

.track-title {
    font-weight: 600;
}

#playlist {
    min-height: 0;
}

.muted {
    opacity: 0.75;
}

audio {
    width: 100%;
}

.sticky-player {
    position: sticky;
    top: 0.75rem;
}

.mono {
    font-family:
        ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
        "Liberation Mono", "Courier New", monospace;
}

@media (min-width: 992px) {
    .app-row {
        --bs-gutter-x: 0.35rem;
        align-items: flex-start;
    }

    .queue-toolbar {
        gap: 0.5rem;
        overflow: visible;
    }

    .queue-toolbar-group {
        flex: 0 0 auto;
        gap: 0.5rem;
    }

    .queue-toolbar-group-end {
        margin-left: auto;
    }

    .queue-toolbar .form-check,
    .queue-toolbar .btn {
        flex: 0 0 auto;
    }

    .queue-toolbar .form-check-label {
        width: auto;
        white-space: nowrap;
    }

    .queue-toolbar .btn {
        white-space: nowrap;
    }

    .queue-toolbar .btn.btn-sm {
        padding-top: 0.375rem;
        padding-bottom: 0.375rem;
    }

    body {
        background:
            radial-gradient(
                circle at top right,
                rgba(var(--bs-primary-rgb), 0.06),
                transparent 35%
            ),
            linear-gradient(
                180deg,
                rgba(var(--bs-body-color-rgb), 0.02),
                rgba(var(--bs-body-color-rgb), 0)
            );
    }

    .playlist-panel,
    .player-panel {
        border-radius: 1rem;
    }

    .playlist-panel {
        background:
            linear-gradient(
                180deg,
                rgba(var(--bs-body-bg-rgb), 0.96),
                rgba(var(--bs-body-bg-rgb), 1)
            );
        overflow: hidden;
    }

    .playlist-body,
    .player-body {
        display: flex;
        flex-direction: column;
    }

    .playlist-body {
        gap: 0.85rem;
        padding: 1.1rem;
        min-height: 32rem;
        max-height: calc(100dvh - 8.5rem);
        overflow: hidden;
    }

    #playlist {
        flex: 1;
        overflow-y: auto;
        padding-right: 0.35rem;
        scrollbar-gutter: stable;
    }

    .sticky-player {
        top: 1rem;
    }

    .player-column {
        display: flex;
        justify-content: flex-start;
    }

    .player-column .sticky-player {
        width: 100%;
    }

    .player-panel {
        width: 100%;
        max-width: 32rem;
        background:
            linear-gradient(
                180deg,
                rgba(var(--bs-body-bg-rgb), 1),
                rgba(var(--bs-primary-rgb), 0.03)
            );
        box-shadow: 0 0.85rem 1.75rem rgba(0, 0, 0, 0.08);
    }

    .player-body {
        gap: 0.85rem;
        padding: 1rem;
    }

    .player-header {
        padding-bottom: 0.75rem;
        border-bottom: 1px solid rgba(var(--bs-body-color-rgb), 0.08);
    }

    .player-body hr,
    .player-status {
        margin: 0;
    }

    .player-status {
        padding-top: 0.25rem;
    }

    .player-column .sticky-player > .small.muted.mt-2 {
        display: none;
    }
}

@media (max-width: 575.98px) {
    .queue-toolbar {
        align-items: center;
        gap: 0.35rem;
        justify-content: flex-start;
    }

    .queue-toolbar-group-end {
        margin-left: auto;
        padding-left: 0;
    }

    .queue-actions .btn {
        flex: 0 0 auto;
        padding-inline: 0.65rem;
    }

    .queue-toolbar .form-check {
        width: auto;
        min-width: auto;
    }

    .queue-toolbar .form-check-label,
    .queue-actions .btn {
        justify-content: center;
        min-width: 2.4rem;
        padding-inline: 0.6rem;
    }

    .queue-toolbar .label-text,
    .queue-actions .label-text {
        display: none;
    }
}

@media (max-width: 575.98px) {
    :root {
        --mobile-player-height: 14rem;
    }

    body {
        overflow: hidden;
    }

    .app-shell {
        display: flex;
        flex-direction: column;
        height: 100dvh;
        min-height: 100dvh;
    }

    .app-row {
        flex: 1;
        min-height: 0;
        padding-bottom: calc(
            var(--mobile-player-height) + env(safe-area-inset-bottom, 0px)
        );
        overflow: hidden;
    }

    .playlist-column {
        display: flex;
        min-height: 0;
    }

    .playlist-column > .card {
        flex: 1;
        min-height: 0;
    }

    .playlist-panel {
        border-radius: var(--bs-border-radius);
    }

    .playlist-column .card-body {
        display: flex;
        flex-direction: column;
        min-height: 0;
        overflow: hidden;
    }

    #playlist {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        scrollbar-gutter: stable;
        -webkit-overflow-scrolling: touch;
    }

    .player-column {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1030;
        padding: 0 0.75rem calc(env(safe-area-inset-bottom, 0px) + 0.75rem);
    }

    .player-column .sticky-player {
        position: static;
        top: auto;
    }

    .player-column .card {
        margin: 0;
    }

    .player-panel {
        border-radius: var(--bs-border-radius-lg);
        border-color: rgba(var(--bs-body-color-rgb), 0.15);
        box-shadow: 0 -0.5rem 1.5rem rgba(0, 0, 0, 0.08);
    }

    .player-column .sticky-player > .small.muted.mt-2 {
        display: none;
    }
}