.music-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 26rem), 1fr));
    gap: var(--sp-4);
    padding-top: var(--sp-4);
}

.music-card {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    padding: var(--sp-5);
    border: var(--border-width) solid var(--c-border);
    border-radius: 0.5rem;
    background: var(--c-bg);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.music-card:hover {
    border-color: var(--c-accent);
    box-shadow: 0 2px 12px var(--c-shadow);
}

.music-card.is-playing {
    border-color: #1a73e8;
    box-shadow: 0 2px 12px rgba(26, 115, 232, 0.25);
}

.track-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: #f1f3f4;
    border-radius: 2rem;
    padding: 0.35rem 1.25rem;
    width: 100%;
    max-width: 32rem;
}

.play-button {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    transition: opacity 0.2s ease;
}

.play-button:hover {
    opacity: 0.7;
}

.play-button svg {
    width: 1.1rem;
    height: 1.1rem;
}

.play-all-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.3rem;
    background: #fff;
    border: 1px solid #d3d3d3;
    cursor: pointer;
    color: #3c4043;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: none;
    transition: all 0.2s ease;
}

.play-all-button:hover {
    background: #f8f9fa;
    border-color: #999;
}

.play-all-button:active {
    background: #f1f3f4;
}

.play-all-button.is-active {
    background: #1a73e8;
    border-color: #1a73e8;
    color: #fff;
}

.play-all-button.is-active:hover {
    background: #1557b0;
    border-color: #1557b0;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-grow: 1;
}

.progress-time {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: #3c4043;
    white-space: nowrap;
    min-width: 5.5rem;
}

.progress-bar {
    flex-grow: 1;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
    height: 1.5rem;
    display: flex;
    align-items: center;
}

/* Chrome/Safari */
.progress-bar::-webkit-slider-runnable-track {
    background: #bdc1c6;
    height: 2px;
    border-radius: 1px;
}

.progress-bar::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    height: 14px;
    width: 14px;
    background: #1a73e8;
    border-radius: 50%;
    margin-top: -6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

/* Firefox */
.progress-bar::-moz-range-track {
    background: #bdc1c6;
    height: 2px;
    border-radius: 1px;
}

.progress-bar::-moz-range-thumb {
    height: 14px;
    width: 14px;
    background: #1a73e8;
    border: none;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.music-card__download {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    align-self: flex-start;
    font-size: 0.95rem;
    font-weight: var(--fw-medium);
    color: #1a73e8;
    text-decoration: none;
    padding: var(--sp-1) 0;
    transition: color 0.15s ease;
}

.music-card__download:hover {
    color: #1765cc;
    text-decoration: underline;
}

.music-card__download svg {
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
}

/* Controls Section */
.music-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 0;
    background: transparent;
    border-radius: 0;
    border: none;
}

.music-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Filter Dropdown */
.music-filter-dropdown {
    position: relative;
    display: inline-block;
}

.filter-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.3rem;
    background: #fff;
    border: 1px solid #d3d3d3;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    color: #3c4043;
    transition: all 0.2s ease;
}

.filter-dropdown-btn:hover {
    background: #f8f9fa;
    border-color: #999;
}

.filter-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0.5rem;
    background: #fff;
    border: 1px solid #d3d3d3;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: all 0.2s ease;
    z-index: 1000;
}

.filter-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.filter-option {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.7rem 1.2rem;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 0.9rem;
    color: #3c4043;
    transition: background-color 0.2s ease;
}

.filter-option:first-child {
    border-radius: 0.5rem 0.5rem 0 0;
}

.filter-option:last-child {
    border-radius: 0 0 0.5rem 0.5rem;
}

.filter-option:hover {
    background-color: #f1f3f4;
}

.filter-option.active {
    background-color: #e3f2fd;
    color: #1a73e8;
    font-weight: 600;
}

.music-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Music Card Checkbox */
.music-card__checkbox {
    width: 1.3rem;
    height: 1.3rem;
    cursor: pointer;
    accent-color: #1a73e8;
    flex-shrink: 0;
    margin: 0;
    margin-right: 0.6rem;
    margin-top: 0.15rem;
}

.music-card__meta {
    display: flex;
    align-items: flex-start;
    gap: 0;
    flex-wrap: wrap;
    width: 100%;
}

.music-card__title {
    font-weight: var(--fw-semibold);
    font-size: 1.1rem;
    color: var(--c-text);
    margin-bottom: 0.25rem;
    flex-grow: 1;
}

.music-card__subtitle {
    display: block;
    font-size: 0.75rem;
    color: var(--c-text-muted, #999);
    font-style: italic;
    font-weight: var(--fw-normal);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: 100%;
}

.music-card.is-loading .track-controls {
    opacity: 0.6;
    pointer-events: none;
}

.music-card.is-loading::after {
    content: 'Loading soundfont…';
    display: block;
    font-size: var(--text-sm);
    color: var(--c-text-light);
    font-style: italic;
    margin-top: calc(var(--sp-1) * -1);
}