/*styles.css*/
    :root {
        --background: #000;
        --foreground: #fafafa;
        --card: #111;
        --card-foreground: #fafafa;
        --primary: #fafafa;
        --primary-foreground: #111;
        --secondary: #27272a;
        --secondary-foreground: #fafafa;
        --muted: #27272a;
        --muted-foreground: #a1a1aa;
        --border: #27272a;
        --input: #27272a;
        --ring: #fafafa;
        --radius: .5rem;
        --highlight: #4ade80;
        --active-highlight: var(--highlight);
        --spacing-xs: 0.5rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }

    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        background-color: var(--background);
        color: var(--foreground);
        font-family: 'Inter', sans-serif;
        overflow: hidden;
    }
    img {
        max-width: 100%;
        display: block;
        background-color: var(--muted);
        color: transparent;
        font-size: 0;
        border: none;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    .app-container {
        display: grid;
        height: 100vh;
        grid-template-columns: 280px 1fr;
        grid-template-rows: 1fr auto;
        grid-template-areas: 
            "sidebar main" 
            "player player";
    }

    .sidebar {
        grid-area: sidebar;
        background-color: var(--background);
        border-right: 1px solid var(--border);
        padding: 1.5rem;
        display: flex;
        flex-direction: column;
        gap: 2rem;
        transition: transform .3s ease-in-out;
        z-index: 2000;
    }

    .main-content {
        grid-area: main;
        overflow-y: auto;
        padding: var(--spacing-xl);
    }

    .now-playing-bar {
        grid-area: player;
        background-color: #050505;
        border-top: 1px solid var(--border);
        padding: var(--spacing-md) var(--spacing-lg);
        display: grid;
        grid-template-columns: 1fr 2fr 1fr;
        align-items: center;
        gap: var(--spacing-xl);
    }

    .sidebar-logo {
        display: flex;
        align-items: center;
        gap: .75rem;
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 1rem;
    }

    .sidebar-logo svg {
        width: 15px;
        height: 15px;
    }

    .sidebar-nav ul {
        list-style: none;
    }

    .sidebar-nav .nav-item a {
        display: flex;
        align-items: center;
        gap: .75rem;
        padding: .75rem;
        border-radius: var(--radius);
        color: var(--muted-foreground);
        text-decoration: none;
        font-weight: 500;
        transition: all .2s ease-in-out;
        cursor: pointer;
    }

    .sidebar-nav .nav-item a:hover {
        background-color: var(--secondary);
        color: var(--foreground);
    }

    .sidebar-nav .nav-item a.active {
        background-color: var(--primary);
        color: var(--primary-foreground);
    }

    .sidebar-nav .nav-item a svg {
        width: 20px;
        height: 20px;
    }

    .page {
        display: none;
    }

    .page.active {
        display: block;
        animation: fadeIn .3s ease-in-out;
    }

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

    .main-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: var(--spacing-xl);
        gap: var(--spacing-md);
    }

    .hamburger-menu {
        display: none;
        background: transparent;
        border: none;
        color: var(--foreground);
        cursor: pointer;
        padding: 0.5rem;
    }

    .search-bar {
        position: relative;
        width: 100%;
        max-width: 400px;
    }

    .search-bar svg {
        position: absolute;
        left: .75rem;
        top: 50%;
        transform: translateY(-50%);
        color: var(--muted-foreground);
        width: 20px;
        height: 20px;
    }

    .search-bar input {
        width: 100%;
        padding: .75rem .75rem .75rem 2.5rem;
        background-color: var(--input);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        color: var(--foreground);
        font-size: 1rem;
    }

    .search-bar input:focus {
        outline: none;
        border-color: var(--ring);
    }

    .content-section {
        margin-bottom: var(--spacing-2xl);
    }

    .section-title {
        font-size: 1.75rem;
        font-weight: 700;
        margin-bottom: var(--spacing-lg);
    }

    .search-tabs {
        display: flex;
        gap: var(--spacing-xs);
        margin-bottom: var(--spacing-lg);
        border-bottom: 1px solid var(--border);
    }

    .search-tab {
        background: transparent;
        border: none;
        color: var(--muted-foreground);
        padding: var(--spacing-sm) var(--spacing-lg);
        cursor: pointer;
        font-size: 1rem;
        font-weight: 500;
        border-bottom: 2px solid transparent;
        transition: all 0.2s;
    }

    .search-tab:hover {
        color: var(--foreground);
    }

    .search-tab.active {
        color: var(--foreground);
        border-bottom-color: var(--highlight);
    }

    .search-tab-content {
        display: none;
    }

    .search-tab-content.active {
        display: block;
        animation: fadeIn 0.3s ease-in-out;
    }

    .card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: var(--spacing-lg);
    }

    .card {
        display: block;
        background-color: var(--card);
        border-radius: var(--radius);
        padding: 1rem;
        transition: background-color .2s ease-in-out;
    }

    .card:hover {
        background-color: var(--secondary);
    }

    .card-image {
        width: 100%;
        aspect-ratio: 1/1;
        background-color: var(--muted);
        border-radius: calc(var(--radius) - 4px);
        margin-bottom: 1rem;
        object-fit: cover;
    }

    .card.artist .card-image {
        border-radius: 50%;
    }

    .card-title {
        font-weight: 600;
        margin-bottom: .25rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .card-subtitle {
        font-size: .9rem;
        color: var(--muted-foreground);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .track-list {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .track-list .track-list-header {
        display: grid;
        grid-template-columns: 40px 1fr auto;
        align-items: center;
        gap: var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-sm);
        color: var(--muted-foreground);
        font-size: .9rem;
        border-bottom: 1px solid var(--border);
        margin-bottom: var(--spacing-xs);
    }

    .track-list .track-list-header .duration-header {
        justify-self: flex-end;
    }

    .track-item {
        display: grid;
        grid-template-columns: 40px 1fr auto;
        align-items: center;
        gap: var(--spacing-md);
        padding: var(--spacing-sm);
        border-radius: var(--radius);
        cursor: pointer;
        transition: background-color .2s ease-in-out;
    }

    .track-item:hover {
        background-color: var(--secondary);
    }

    .track-item .track-number {
        color: var(--muted-foreground);
        text-align: center;
        font-size: .9rem;
    }

    .track-item-info {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        min-width: 0;
    }

    .track-item-cover {
        width: 40px;
        height: 40px;
        background-color: var(--muted);
        border-radius: 4px;
        object-fit: cover;
        flex-shrink: 0;
    }

    .track-item-details {
        min-width: 0;
    }

    .track-item-details .title {
        font-weight: 500;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .track-item-details .artist {
        font-size: .9rem;
        color: var(--muted-foreground);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .track-item-duration {
        font-size: .9rem;
        color: var(--muted-foreground);
        justify-self: flex-end;
    }

    .track-item.playing .track-number,
    .track-item.playing .track-item-details .title {
        color: var(--highlight);
    }

    .detail-header {
        display: flex;
        align-items: flex-end;
        gap: var(--spacing-xl);
        margin-bottom: var(--spacing-2xl);
        padding-bottom: var(--spacing-xl);
    }

    .detail-header-image {
        width: 200px;
        height: 200px;
        flex-shrink: 0;
        background-color: var(--muted);
        border-radius: var(--radius);
        object-fit: cover;
        box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
        transition: opacity 0.3s ease-in-out;
    }

    .detail-header-image.loading {
        opacity: 0.3;
    }

    .detail-header-image.artist {
        border-radius: 50%;
    }

    .detail-header-info .type {
        font-weight: 600;
        margin-bottom: .5rem;
    }

    .detail-header-info .title {
        font-size: 4rem;
        font-weight: 800;
        line-height: 1.1;
    }

    .detail-header-info .meta {
        color: var(--muted-foreground);
        margin-top: 1rem;
    }

    .settings-list {
        max-width: 800px;
    }

    .setting-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-lg) 0;
        border-bottom: 1px solid var(--border);
        gap: var(--spacing-lg);
    }

    .setting-item .info {
        display: flex;
        flex-direction: column;
    }

    .setting-item .label {
        font-weight: 500;
    }

    .setting-item .description {
        font-size: .9rem;
        color: var(--muted-foreground);
    }

    .setting-item select {
        background-color: var(--input);
        color: var(--foreground);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 0.5rem;
    }

    .toggle-switch {
        position: relative;
        display: inline-block;
        width: 40px;
        height: 24px;
    }

    .toggle-switch input {
        opacity: 0;
        width: 0;
        height: 0;
    }

    .slider {
        position: absolute;
        cursor: pointer;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--secondary);
        transition: .4s;
        border-radius: 24px;
    }

    .slider:before {
        position: absolute;
        content: "";
        height: 16px;
        width: 16px;
        left: 4px;
        bottom: 4px;
        background-color: var(--foreground);
        transition: .4s;
        border-radius: 50%;
    }

    input:checked + .slider {
        background-color: var(--primary);
    }

    input:checked + .slider:before {
        transform: translateX(16px);
        background-color: var(--primary-foreground);
    }

    .btn-secondary {
        padding: 0.5rem 1rem;
        background-color: var(--secondary);
        color: var(--foreground);
        border: none;
        border-radius: var(--radius);
        cursor: pointer;
        font-weight: 500;
        transition: background-color 0.2s;
    }

    .btn-secondary:hover {
        background-color: var(--muted);
    }

    .btn-secondary:disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }

    .now-playing-bar .track-info {
        display: flex;
        align-items: center;
        gap: 1rem;
        min-width: 0;
    }

    .track-info .cover {
        width: 56px;
        height: 56px;
        border-radius: 4px;
        background-color: var(--muted);
        object-fit: cover;
        flex-shrink: 0;
    }

    .track-info .details {
        min-width: 0;
    }

    .track-info .details .title {
        font-weight: 500;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .track-info .details .artist {
        font-size: .8rem;
        color: var(--muted-foreground);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .player-controls {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .player-controls .buttons {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
    }

    .player-controls .buttons button {
        background: transparent;
        border: none;
        color: var(--muted-foreground);
        cursor: pointer;
        transition: all .2s;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        position: relative;
    }

    .player-controls .buttons button:hover {
        color: var(--foreground);
        background-color: var(--secondary);
    }

    .player-controls .buttons button.active {
        color: var(--active-highlight);
    }

    .player-controls .buttons button#repeat-btn.repeat-one::after {
        content: '1';
        position: absolute;
        font-size: 0.6rem;
        font-weight: bold;
        bottom: 4px;
        right: 6px;
    }

    .player-controls .buttons .play-pause-btn {
        background-color: var(--primary);
        color: var(--primary-foreground);
        width: 36px;
        height: 36px;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .player-controls .buttons .play-pause-btn:hover {
        transform: scale(1.05);
        background-color: var(--primary);
        color: var(--primary-foreground);
    }

    .player-controls .progress-container {
        width: 100%;
        max-width: 500px;
        display: flex;
        align-items: center;
        gap: .75rem;
        font-size: .8rem;
        color: var(--muted-foreground);
    }

    .progress-bar {
        flex-grow: 1;
        height: 4px;
        background-color: var(--secondary);
        border-radius: 2px;
        cursor: pointer;
    }

    .progress-bar .progress-fill {
        width: 0;
        height: 100%;
        background-color: var(--foreground);
        border-radius: 2px;
        transition: width .1s linear;
    }

    .progress-bar:hover .progress-fill {
        background-color: var(--highlight);
    }

    .volume-controls {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        gap: .75rem;
    }

    .volume-controls button {
        background: transparent;
        border: none;
        color: var(--muted-foreground);
        cursor: pointer;
        transition: color .2s;
    }

    .volume-controls button:hover {
        color: var(--foreground);
    }

    .volume-controls .volume-bar {
        width: 100px;
        height: 4px;
        background-color: var(--secondary);
        border-radius: 2px;
        cursor: pointer;
    }

    .volume-controls .volume-bar .volume-fill {
        width: 70%;
        height: 100%;
        background-color: var(--foreground);
        border-radius: 2px;
    }

    .volume-controls .volume-bar:hover .volume-fill {
        background-color: var(--highlight);
    }

    #context-menu {
        display: none;
        position: absolute;
        background-color: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: .5rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, .5);
        z-index: 1000;
    }

    #context-menu ul {
        list-style: none;
    }

    #context-menu li {
        padding: .5rem .75rem;
        cursor: pointer;
        border-radius: 4px;
        transition: background-color .2s ease-in-out;
    }

    #context-menu li:hover {
        background-color: var(--secondary);
    }

    #queue-modal-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, .7);
        z-index: 1000;
        justify-content: center;
        align-items: center;
    }

    #queue-modal {
        background-color: var(--card);
        width: 90%;
        max-width: 500px;
        max-height: 80vh;
        border-radius: var(--radius);
        display: flex;
        flex-direction: column;
    }

    #queue-modal-header {
        padding: 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid var(--border);
    }

    #queue-modal-header h3 {
        margin: 0;
    }

    #queue-modal-header button {
        background: transparent;
        border: none;
        color: var(--muted-foreground);
        font-size: 1.5rem;
        cursor: pointer;
    }

    #queue-list {
        overflow-y: auto;
        padding: .5rem;
    }

    .placeholder-text {
        padding: 1rem;
        color: var(--muted-foreground);
        text-align: center;
    }

    @keyframes pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: .5; }
    }

    .placeholder-text.loading {
        animation: pulse 1.5s infinite ease-in-out;
    }

    #api-instance-manager {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid var(--border);
    }

    #api-instance-list {
        list-style: none;
        margin-bottom: 1rem;
    }

    #api-instance-list li {
        display: flex;
        align-items: center;
        gap: .75rem;
        padding: .75rem;
        background-color: var(--secondary);
        border-radius: var(--radius);
        margin-bottom: .5rem;
    }

    #api-instance-list li .instance-url {
        flex-grow: 1;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-size: .9rem;
    }

    #api-instance-list li .controls {
        display: flex;
        gap: .5rem;
    }

    #api-instance-list li button {
        background: transparent;
        border: none;
        color: var(--muted-foreground);
        cursor: pointer;
        padding: 4px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 4px;
        transition: all .2s ease-in-out;
    }

    #api-instance-list li button:hover {
        color: var(--foreground);
        background-color: var(--muted);
    }

    #api-instance-list li button:disabled {
        opacity: .3;
        cursor: not-allowed;
    }

    #add-instance-form {
        display: flex;
        gap: .75rem;
    }

    #add-instance-form input {
        flex-grow: 1;
        padding: .5rem .75rem;
        background-color: var(--input);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        color: var(--foreground);
    }

    #add-instance-form button {
        padding: .5rem 1rem;
        background-color: var(--primary);
        color: var(--primary-foreground);
        border: none;
        border-radius: var(--radius);
        cursor: pointer;
        font-weight: 500;
        transition: opacity .2s;
    }

    #add-instance-form button:hover {
        opacity: .9;
    }

    #sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, .5);
        z-index: 1999;
    }

    #about-section {
        margin-top: 2rem;
        padding-top: 2rem;
        border-top: 1px solid var(--border);
    }

    .about-content {
        padding: 1rem 0;
    }

    .about-description {
        color: var(--foreground);
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }

    .about-features,
    .about-tech {
        margin-bottom: 1.5rem;
    }

    .about-features h4,
    .about-tech h4 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 0.75rem;
        color: var(--foreground);
    }

    .about-features ul {
        list-style: none;
        padding: 0;
    }

    .about-features li {
        padding: 0.5rem 0;
        padding-left: 1.5rem;
        position: relative;
        color: var(--foreground);
        line-height: 1.5;
    }

    .about-features li::before {
        content: "✓";
        position: absolute;
        left: 0;
        color: var(--highlight);
        font-weight: bold;
    }

    .about-tech p {
        color: var(--muted-foreground);
        font-family: 'Courier New', monospace;
        font-size: 0.9rem;
    }

    .about-links {
        display: flex;
        gap: 1rem;
        margin: 1.5rem 0;
        flex-wrap: wrap;
    }

    .github-link {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.75rem 1.25rem;
        background-color: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        color: var(--foreground);
        text-decoration: none;
        font-weight: 500;
        transition: all 0.2s;
    }

    .github-link:hover {
        background-color: var(--secondary);
        border-color: var(--highlight);
        transform: translateY(-2px);
    }

    .github-link svg {
        flex-shrink: 0;
    }

    .about-footer {
        margin-top: 2rem;
        padding-top: 1.5rem;
        border-top: 1px solid var(--border);
    }

    .about-footer p {
        margin: 0.5rem 0;
        font-size: 0.9rem;
    }

    .about-footer .version {
        color: var(--foreground);
        font-weight: 600;
    }

    .about-footer .license {
        color: var(--muted-foreground);
    }

    .about-footer .disclaimer {
        color: var(--muted-foreground);
        font-size: 0.8rem;
        font-style: italic;
        margin-top: 1rem;
        padding: 0.75rem;
        background-color: var(--secondary);
        border-radius: var(--radius);
        border-left: 3px solid var(--muted-foreground);
    }

    .skeleton {
        background: linear-gradient(
            90deg,
            var(--secondary) 0%,
            var(--muted) 50%,
            var(--secondary) 100%
        );
        background-size: 200% 100%;
        animation: skeleton-loading 1.5s ease-in-out infinite;
        border-radius: var(--radius);
    }

    @keyframes skeleton-loading {
        0% {
            background-position: 200% 0;
        }
        100% {
            background-position: -200% 0;
        }
    }

    .skeleton-track {
        display: grid;
        grid-template-columns: 40px 1fr auto;
        align-items: center;
        gap: var(--spacing-md);
        padding: var(--spacing-sm);
        margin-bottom: 2px;
    }

    .skeleton-track-number {
        width: 24px;
        height: 20px;
        margin: 0 auto;
    }

    .skeleton-track-info {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        min-width: 0;
    }

    .skeleton-track-cover {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
        border-radius: 4px;
    }

    .skeleton-track-details {
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .skeleton-track-title {
        height: 16px;
        width: 60%;
        max-width: 200px;
    }

    .skeleton-track-artist {
        height: 14px;
        width: 40%;
        max-width: 150px;
    }

    .skeleton-track-duration {
        width: 40px;
        height: 14px;
    }

    .skeleton-card {
        background-color: var(--card);
        border-radius: var(--radius);
        padding: var(--spacing-md);
    }

    .skeleton-card-image {
        width: 100%;
        aspect-ratio: 1/1;
        margin-bottom: var(--spacing-md);
        border-radius: calc(var(--radius) - 4px);
    }

    .skeleton-card.artist .skeleton-card-image {
        border-radius: 50%;
    }

    .skeleton-card-title {
        height: 18px;
        width: 80%;
        margin-bottom: var(--spacing-xs);
    }

    .skeleton-card-subtitle {
        height: 14px;
        width: 60%;
    }

    .skeleton-detail-header {
        display: flex;
        align-items: flex-end;
        gap: var(--spacing-xl);
        margin-bottom: var(--spacing-2xl);
        padding-bottom: var(--spacing-xl);
    }

    .skeleton-detail-image {
        width: 200px;
        height: 200px;
        flex-shrink: 0;
        border-radius: var(--radius);
    }

    .skeleton-detail-image.artist {
        border-radius: 50%;
    }

    .skeleton-detail-info {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .skeleton-detail-type {
        height: 16px;
        width: 60px;
    }

    .skeleton-detail-title {
        height: 48px;
        width: 70%;
        max-width: 400px;
    }

    .skeleton-detail-meta {
        height: 16px;
        width: 50%;
        max-width: 300px;
    }

    .skeleton-container {
        width: 100%;
    }

    .content-loaded {
        animation: contentFadeIn 0.3s ease-in-out;
    }

    @keyframes contentFadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }

    @media (max-width: 1024px) {
        .app-container {
            grid-template-columns: 240px 1fr;
        }
        
        .card-grid {
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: var(--spacing-md);
        }
        
        .detail-header-info .title {
            font-size: 3rem;
        }
        
        .main-content {
            padding: var(--spacing-lg);
        }
    }

    @media (max-width: 768px) {
        .app-container {
            grid-template-columns: 1fr;
            grid-template-rows: auto 1fr auto;
            grid-template-areas: 
                "header" 
                "main" 
                "player";
        }
        
        .main-content {
            padding: var(--spacing-md);
            grid-area: main;
        }
        
        .main-header {
            grid-area: header;
            padding: var(--spacing-md) var(--spacing-md) 0 var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            height: 100%;
            transform: translateX(-100%);
            box-shadow: 0 0 20px rgba(0, 0, 0, .5);
        }
        
        .sidebar.is-open {
            transform: translateX(0);
        }
        
        .hamburger-menu {
            display: block;
        }
        
        #sidebar-overlay.is-visible {
            display: block;
        }
        
        .search-bar {
            max-width: none;
        }
        
        .content-section {
            margin-bottom: var(--spacing-xl);
        }
        
        .section-title {
            font-size: 1.5rem;
            margin-bottom: var(--spacing-md);
        }
        
        .card-grid {
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: var(--spacing-md);
        }
        
        .detail-header {
            flex-direction: column;
            align-items: flex-start;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }
        
        .detail-header-image {
            width: 150px;
            height: 150px;
        }
        
        .detail-header-info .title {
            font-size: 2rem;
            line-height: 1.2;
        }
        
        .skeleton-detail-header {
            flex-direction: column;
            align-items: flex-start;
            gap: var(--spacing-lg);
        }
        
        .skeleton-detail-image {
            width: 150px;
            height: 150px;
        }
        
        .skeleton-detail-title {
            height: 40px;
            width: 90%;
        }
        
        .now-playing-bar {
            grid-template-columns: 1fr;
            grid-template-rows: auto auto;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            height: auto;
            place-items: center;
        }
        
        .now-playing-bar .track-info {
            grid-column: 1;
            grid-row: 1;
            width: 100%;
            justify-content: flex-start;
        }
        
        .track-info .cover {
            width: 48px;
            height: 48px;
        }
        
        .track-info .details {
            max-width: calc(100% - 64px);
        }
        
        .track-info .details .artist {
            display: block;
        }
        
        .now-playing-bar .player-controls {
            grid-column: 1;
            grid-row: 2;
            width: 100%;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        
        .player-controls .progress-container {
            display: flex;
            max-width: none;
        }
        
        .now-playing-bar .volume-controls {
            display: none;
        }
        
        .about-links {
            flex-direction: column;
        }
        
        .github-link {
            width: 100%;
            justify-content: center;
        }
        
        .setting-item {
            flex-direction: column;
            align-items: flex-start;
            gap: var(--spacing-md);
        }
        
        .setting-item .info {
            width: 100%;
        }
    }

    @media (max-width: 480px) {
        .card-grid {
            grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            gap: var(--spacing-sm);
        }
        
        .section-title {
            font-size: 1.25rem;
        }
        
        .detail-header-info .title {
            font-size: 1.75rem;
        }
        
        .search-tab {
            padding: var(--spacing-sm) var(--spacing-md);
            font-size: 0.9rem;
        }
    }