.mp3-library {
    --mp3-border: #d7dde6;
    --mp3-bg: #ffffff;
    --mp3-soft-bg: #f5f7fa;
    --mp3-text: #172033;
    --mp3-muted: #627084;
    --mp3-accent: #1f6feb;
    color: var(--mp3-text);
    background: var(--mp3-bg);
    border: 1px solid var(--mp3-border);
    border-radius: 8px;
    padding: 18px;
    max-width: 920px;
}

.mp3-library * {
    box-sizing: border-box;
}

.mp3-library__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
}

.mp3-library__title {
    font-size: 1.35rem;
    line-height: 1.2;
    margin: 0 0 3px;
}

.mp3-library__count {
    color: var(--mp3-muted);
    margin: 0;
}

.mp3-library__search {
    flex: 0 1 280px;
}

.mp3-library__search input {
    width: 100%;
    border: 1px solid var(--mp3-border);
    border-radius: 6px;
    font: inherit;
    padding: 10px 12px;
}

.mp3-library__player {
    background: var(--mp3-soft-bg);
    border-radius: 8px;
    padding: 14px;
    margin-bottom: 14px;
}

.mp3-library__now-playing {
    color: var(--mp3-muted);
    font-weight: 600;
    margin-bottom: 10px;
}

.mp3-library__player audio {
    display: block;
    width: 100%;
}

.mp3-library__tracks {
    display: grid;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.mp3-library__track[hidden] {
    display: none;
}

.mp3-library__track-row {
    align-items: center;
    background: #fff;
    border: 1px solid var(--mp3-border);
    border-radius: 8px;
    display: grid;
    gap: 10px;
    grid-template-columns: 1fr auto;
    padding: 12px;
}

.mp3-library__play {
    align-items: center;
    background: transparent;
    border: 0;
    color: inherit;
    cursor: pointer;
    display: grid;
    font: inherit;
    gap: 10px;
    grid-template-columns: auto 1fr;
    padding: 0;
    text-align: left;
    width: 100%;
}

.mp3-library__track-row:hover,
.mp3-library__track-row:focus-within,
.mp3-library__track.is-current .mp3-library__track-row {
    border-color: var(--mp3-accent);
}

.mp3-library__play:focus-visible,
.mp3-library__download:focus-visible {
    outline: 2px solid var(--mp3-accent);
    outline-offset: 3px;
}

.mp3-library__play-icon {
    color: var(--mp3-accent);
    font-size: 0.8rem;
}

.mp3-library__track-title {
    overflow-wrap: anywhere;
}

.mp3-library__download {
    color: var(--mp3-muted);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.mp3-library__download:hover {
    color: var(--mp3-accent);
    text-decoration: underline;
}

.mp3-library__empty,
.mp3-library__no-results {
    color: var(--mp3-muted);
    margin: 12px 0 0;
}

@media (max-width: 640px) {
    .mp3-library {
        padding: 14px;
    }

    .mp3-library__header {
        align-items: stretch;
        flex-direction: column;
    }

    .mp3-library__search {
        flex-basis: auto;
    }

    .mp3-library__track-row {
        align-items: start;
        grid-template-columns: 1fr;
    }
}