:root {
    /* Bootstrap-inspired color palette */
    --primary-color: #0d6efd;
    --primary-hover: #0b5ed7;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --body-bg: #f8f9fa;
    --sidebar-width: 250px;
    
    /* Additional theme colors */
    --border-color: #dee2e6;
    --text-muted: #6c757d;
    --component-bg: #ffffff;
    --hover-bg: #e9ecef;
}

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

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    background: var(--body-bg);
    color: var(--dark-color);
    line-height: 1.5;
}

.container {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: 1fr auto;
    min-height: 100vh;
    gap: 1rem;
    padding: 1rem;
    transition: all 0.3s ease;
}

.music-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--component-bg);
    padding: 1rem;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
    border-top: 1px solid var(--border-color);
}

.now-playing {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    align-items: center;
}

#album-art {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
}

.player-header h1 {
    margin-bottom: 2rem;
    color: #1a73e8;
}

.track-info {
    flex: 1;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

#track-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

#track-artist, #track-album {
    color: #666;
    margin-bottom: 0.5rem;
}

.player-controls {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.control-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.play-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.play-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.1);
}

.time-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

#seek-slider {
    flex: 1;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--primary-color);
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.3s;
}

button:hover {
    background-color: var(--hover-bg);
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 2rem;
}

#volume-slider {
    width: 100px;
}

.sidebar {
    background: var(--component-bg);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    height: calc(100vh - 2rem);
    position: sticky;
    top: 1rem;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.nav-menu, .playlist-menu {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.nav-menu li a, .playlist-menu li a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--dark-color);
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.3s;
}

.nav-menu li a:hover, .playlist-menu li a:hover {
    background-color: var(--hover-bg);
}

.nav-menu li a.active {
    background-color: var(--primary-color);
    color: white;
}

.btn-new-playlist {
    width: 100%;
    padding: 0.75rem;
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-new-playlist:hover {
    background: var(--primary-color);
    color: white;
}

.main-content {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.search-box {
    position: relative;
}

.search-box input {
    padding: 0.5rem 2rem 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 200px;
    background: var(--component-bg);
}

.search-box i {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

.album-grid, .artist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

.album-card, .artist-card {
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s;
    background: var(--component-bg);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.album-card:hover, .artist-card:hover {
    transform: translateY(-5px);
}

.album-art, .artist-image {
    width: 180px;
    height: 180px;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    object-fit: cover;
}

.track-list {
    display: grid;
    gap: 0.5rem;
    padding: 1rem;
}

.music-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    padding: 0.75rem;
    border-radius: 8px;
    background: var(--component-bg);
    transition: transform 0.2s ease;
    border: 1px solid var(--border-color);
}

.music-item:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.music-item.playing {
    background-color: var(--primary-color);
    color: white;
}

.music-item.playing .track-artist {
    color: rgba(255, 255, 255, 0.8);
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 5px;
    background: #ddd;
    border-radius: 5px;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 15px;
    height: 15px;
    background: var(--primary-color);
    border-radius: 50%;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--component-bg);
    padding: 2rem;
    border-radius: 12px;
    width: 400px;
    border: none;
}

.modal-content input {
    width: 100%;
    padding: 0.75rem;
    margin: 1rem 0;
    border: 1px solid #ddd;
    border-radius: 6px;
}

.modal-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.modal-buttons button {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
}

#save-playlist {
    background: var(--primary-color);
    color: white;
    border: none;
}

#save-playlist:hover {
    background: var(--primary-hover);
}

#cancel-playlist {
    background: none;
    border: 1px solid #ddd;
}

.track-actions {
    display: flex;
    align-items: center;
}

.track-name {
    font-weight: 500;
}

.track-artist {
    color: var(--text-muted);
    font-size: 0.9em;
}

.playlist-menu-popup {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    min-width: 200px;
}

.menu-items {
    padding: 0.5rem;
}

.menu-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.menu-item:hover {
    background-color: var(--hover-bg);
}

.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    animation: slide-in 0.3s ease-out;
    z-index: 1000;
}

.notification.fade-out {
    animation: fade-out 0.3s ease-out;
}

.playlist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

.playlist-card {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: transform 0.3s;
}

.playlist-card:hover {
    transform: translateY(-5px);
}

.playlist-art {
    width: 150px;
    height: 150px;
    background: #f0f2f5;
    border-radius: 8px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.playlist-art i {
    font-size: 3rem;
    color: #1a73e8;
}

.delete-playlist {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    color: #666;
    padding: 0.5rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s;
}

.playlist-card:hover .delete-playlist {
    opacity: 1;
}

@keyframes slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fade-out {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.menu-trigger {
    padding: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s;
    color: #666;
}

.music-item:hover .menu-trigger {
    opacity: 1;
}

.context-menu {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    min-width: 200px;
    overflow: hidden;
}

.menu-items {
    padding: 0.5rem 0;
}

.menu-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: background-color 0.2s;
}

.menu-item:hover {
    background-color: var(--hover-bg);
}

.menu-item i {
    width: 20px;
    text-align: center;
    color: #666;
}

.menu-separator {
    height: 1px;
    background-color: #eee;
    margin: 0.5rem 0;
}

.lyrics-container {
    flex: 1;
    max-width: 400px;
    margin-left: 2rem;
    display: flex;
    flex-direction: column;
    max-height: 200px;
}

.lyrics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.lyrics-toggle {
    background: none;
    border: 1px solid #ddd;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.lyrics-content {
    flex: 1;
    overflow-y: auto;
    padding-right: 1rem;
    line-height: 1.6;
    scroll-behavior: smooth;
    padding: 1rem;
}

.lyrics-line {
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    opacity: 0.7;
}

.lyrics-line:hover {
    background-color: var(--hover-bg);
    opacity: 1;
}

.lyrics-line.active {
    color: var(--primary-color);
    font-weight: bold;
    opacity: 1;
    background-color: var(--primary-color);
}

.playlist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.playlist-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.playlist-icon {
    font-size: 2.5rem;
    color: #1a73e8;
    background: #e8f0fe;
    padding: 1rem;
    border-radius: 8px;
}

.play-playlist {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    font-size: 1rem;
}

.play-playlist:hover {
    background: var(--primary-hover);
}

.playlist-count {
    color: #666;
    font-size: 0.9em;
    margin-left: 0.5rem;
}

#playlist-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#playlist-list i {
    margin-right: 0.5rem;
}

.album-art-container, .artist-art-container {
    position: relative;
    width: 180px;
    height: 180px;
    margin-bottom: 0.5rem;
}

.album-art, .artist-image {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(26, 115, 232, 0.9);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1.2rem;
}

.album-art-container:hover .play-overlay,
.artist-art-container:hover .play-overlay {
    opacity: 1;
}

.album-info, .artist-info {
    cursor: pointer;
}

.album-card, .artist-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.artist-image {
    background-color: #e8f0fe;
}

.artist-image[src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyMDAiIGhlaWdodD0iMjAwIiB2aWV3Qm94PSIwIDAgMjAwIDIwMCI+PHJlY3Qgd2lkdGg9IjIwMCIgaGVpZ2h0PSIyMDAiIGZpbGw9IiNlOWVjZWYiLz48dGV4dCB4PSI1MCUiIHk9IjUwJSIgc3R5bGU9ImZvbnQtZmFtaWx5OiBBcmlhbDsgZm9udC1zaXplOiAyMHB4OyBmaWxsOiAjNmM3NTdkOyBkb21pbmFudC1iYXNlbGluZTogbWlkZGxlOyB0ZXh0LWFuY2hvcjogbWlkZGxlOyI+Tm8gQWxidW0gQXJ0PC90ZXh0Pjwvc3ZnPg=="] {
    background: #e8f0fe;
    padding: 2rem;
}

.existing-playlists {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.existing-playlist-item {
    padding: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.existing-playlist-item:hover {
    background-color: var(--hover-bg);
}

.existing-playlist-item i {
    color: #1a73e8;
}

.new-playlist-section {
    padding-top: 1rem;
}

.new-playlist-section h3 {
    margin-bottom: 0.75rem;
    font-size: 1rem;
    color: #666;
}

.album-header {
    padding: 2rem;
    margin-bottom: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
}

.album-info-large {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.album-art-large {
    width: 200px;
    height: 200px;
    border-radius: 8px;
    object-fit: cover;
}

.album-details {
    flex: 1;
}

.album-details h2 {
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.album-details p {
    color: #666;
    margin-bottom: 0.5rem;
}

.play-album-btn {
    margin-top: 1rem;
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    font-size: 1rem;
}

.play-album-btn:hover {
    background: var(--primary-hover);
}

.track-number {
    color: #666;
    margin-right: 1rem;
    min-width: 2rem;
}

.music-item .track-info {
    display: flex;
    align-items: center;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1000;
    background: var(--primary-color);
    border: none;
    padding: 0.5rem;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    color: white;
}

.mobile-menu-btn:hover {
    background: var(--primary-hover);
}

/* Media queries for responsive design */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }

    .mobile-menu-btn {
        display: block;
    }

    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        width: 80%;
        max-width: 300px;
        z-index: 1000;
        transition: left 0.3s ease;
    }

    .sidebar.active {
        left: 0;
    }

    .now-playing {
        grid-template-columns: auto 1fr;
    }

    .lyrics-container {
        display: none;
    }

    .main-content {
        margin-bottom: 120px; /* Space for player */
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --body-bg: #212529;
        --component-bg: #343a40;
        --dark-color: #f8f9fa;
        --border-color: #495057;
        --hover-bg: #495057;
        --text-muted: #adb5bd;
    }

    .sidebar,
    .music-player,
    .music-item {
        background: var(--component-bg);
    }

    .modal-content {
        background: var(--component-bg);
    }

    input[type="text"] {
        background: var(--component-bg);
        color: var(--dark-color);
        border-color: var(--border-color);
    }

    .search-box input {
        background: var(--component-bg);
        color: var(--dark-color);
    }
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

@media (max-width: 768px) {
    .sidebar-overlay {
        display: block;
    }
}

/* Improved mobile styles */
@media (max-width: 768px) {
    .mobile-menu-btn {
        background: var(--primary-color);
        color: white;
    }

    .mobile-menu-btn:hover {
        background: var(--primary-hover);
    }

    .sidebar {
        background: var(--component-bg);
    }

    .main-content {
        margin-top: 60px;
    }

    .music-player {
        padding: 0.75rem;
    }

    .volume-control {
        display: none; /* Hide volume on mobile */
    }

    .control-buttons {
        padding: 0.5rem 0;
    }
}

/* Improved scrollbars */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--body-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}