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

:root {
            --primary-color: #6b46c1;
            --secondary-color: #7c3aed;
            --dark-bg: #f9f9f9;
            --darker-bg: #e0e0e0;
            --light-bg: #ffffff;
            --text-primary: #111111;
            --text-secondary: #555555;
            --hover-bg: #dcdcdc;
            --accent-green: #1db954;
            --danger-color: #e74c3c;
        }

        /* Dark theme overrides */
        body.dark-theme {
            --dark-bg: #0f0f0f;
            --darker-bg: #0a0a0a;
            --light-bg: #1a1a1a;
            --text-primary: #ffffff;
            --text-secondary: #b3b3b3;
            --hover-bg: #2a2a2a;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--dark-bg);
            color: var(--text-primary);
            overflow-x: hidden;
        }
        body::-webkit-scrollbar{
            display: none;
        }
        /* Header Styles */
        header {
            background-color: var(--darker-bg);
            padding: 1rem;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            backdrop-filter: blur(10px);
            /* background-color: rgba(10, 10, 10, 0.9); */
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary-color);
        }

        .search-container {
            flex: 1;
            max-width: 500px;
            margin: 0 2rem;
            position: relative;
        }

        .search-bar {
            width: 100%;
            padding: 0.75rem 1rem 0.75rem 3rem;
            background-color: var(--light-bg);
            border: none;
            border-radius: 25px;
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .search-bar:focus {
            outline: none;
            background-color: var(--hover-bg);
            box-shadow: 0 0 0 2px var(--primary-color);
        }

        .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
        }

        .user-actions {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .user-actions button {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .user-actions button:hover {
            color: var(--text-primary);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            margin-left: -10px;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Main Layout */
        .main-container {
            display: flex;
            margin-top: 70px;
            height: calc(100vh - 70px);
            position: fixed;
        }

        /* Sidebar */
        .sidebar {
            width: 250px;
            background-color: var(--darker-bg);
            padding: 2rem 0;
            overflow-y: auto;
            height: calc(100vh - 70px);
            transition: transform 0.3s ease;      
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.75rem 2rem;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .nav-item:hover {
            color: var(--text-primary);
            background-color: var(--hover-bg);
        }

        .nav-item.active {
            color: var(--text-primary);
            border-left: 3px solid var(--primary-color);
        }

        .playlist-section {
            margin-top: 2rem;
            padding: 0 1rem;
        }

        .playlist-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 1rem;
            margin-bottom: 1rem;
        }

        .playlist-header h3 {
            color: var(--text-secondary);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .create-playlist-btn {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .create-playlist-btn:hover {
            color: var(--text-primary);
        }

        .playlist-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.5rem 1rem;
            color: var(--text-secondary);
            cursor: pointer;
            border-radius: 5px;
            transition: all 0.3s ease;
        }

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

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

        .delete-playlist-btn {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1rem;
            cursor: pointer;
            opacity: 0;
            transition: all 0.3s ease;
            padding: 0.25rem;
        }

        .playlist-item:hover .delete-playlist-btn {
            opacity: 1;
        }

        /* Show delete button on small screens always */
        @media (max-width: 768px) {
            .delete-playlist-btn {
                opacity: 1 !important;
            }
        }

        .delete-playlist-btn:hover {
            color: var(--danger-color);
        }

        /* Content Area */
        .content {
            flex: 1;
            overflow-y: auto;
            padding: 2rem;
            background: linear-gradient(to bottom, var(--darker-bg) 0%, var(--dark-bg) 100%);
            height: 90%;
        }
        .content::-webkit-scrollbar{
            display: none;
        }
        .content-header {
            margin-bottom: 2rem;
        }

        .content-header h1 {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
        }

        .content-header p {
            color: var(--text-secondary);
        }

        /* Song Grid */
        .song-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        .song-card {
            background-color: var(--light-bg);
            border-radius: 10px;
            padding: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .song-card:hover {
            background-color: var(--hover-bg);
            transform: translateY(-5px);
        }

        .song-card:hover .play-overlay {
            opacity: 1;
        }

        .song-image {
            width: 100%;
            aspect-ratio: 1;
            border-radius: 5px;
            margin-bottom: 1rem;
            position: relative;
            overflow: hidden;
        }

        .song-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .play-overlay {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background-color: var(--primary-color);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .song-info h3 {
            font-size: 1rem;
            margin-bottom: 0.25rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .song-info p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .song-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 0.5rem;
        }

        .duration {
            color: var(--text-secondary);
            font-size: 0.8rem;
        }

        .favorite-btn, .add-to-playlist-btn {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-left: 0.5rem;
        }

        .favorite-btn:hover, .add-to-playlist-btn:hover {
            color: var(--text-primary);
        }

        .favorite-btn.active {
            color: var(--accent-green);
        }

        /* Song List */
        .song-list {
            background-color: var(--light-bg);
            border-radius: 10px;
            overflow: hidden;
        }

        .song-list-item {
            display: grid;
            grid-template-columns: 50px 1fr 200px 100px 100px;
            align-items: center;
            padding: 1rem;
            border-bottom: 1px solid var(--hover-bg);
            transition: background-color 0.3s ease;
            cursor: pointer;
        }

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

        .song-list-item.playing {
            background-color: rgba(107, 70, 193, 0.1);
        }

        .song-number {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .song-list-info h4 {
            margin-bottom: 0.25rem;
        }

        .song-list-info p {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        .song-album {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .song-duration {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* Player */
        .player {
            position: fixed;
            bottom: 0;
            width: 100%;
            background-color: var(--darker-bg);
            padding: 1rem;
            backdrop-filter: blur(10px);
            border-top: 1px solid var(--light-bg);
            transition: transform 0.3s ease;
        }

        .player.hidden {
            transform: translateY(100%);
        }

        .player-toggle-btn {
            position: absolute;
            top: -20px;
            right: 20px;
            background-color: gray;
            color: white;
            border: none;
            width: 40px;
            height: 20px;
            border-radius: 5px 5px 0 0;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all 0.3s ease;
            z-index: 1001;
        }

        .player-toggle-btn:hover {
            background-color: var(--secondary-color);
            transform: translateY(-2px);
        }

        #playerUpBtn {
            display: none;
        }

        .player.hidden #playerUpBtn {
            display: flex;
        }

        .player.hidden #playerDownBtn {
            display: none;
        }

        .player-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }

        .now-playing {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex: 1;
        }

        .now-playing img {
            width: 56px;
            height: 56px;
            border-radius: 5px;
        }

        .now-playing-info h4 {
            margin-bottom: 0.25rem;
        }

        .now-playing-info p {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        .player-controls {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            flex: 1;
        }

        .control-buttons {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .control-btn {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .control-btn:hover {
            transform: scale(1.1);
        }

        .play-btn {
            /* background-color: var(--text-primary);
            color: var(--dark-bg);
            width: 40px;
            height: 40px; */
            border-radius: 50%;
            /* display: flex;
            align-items: center;
            justify-content: center; */
        }

        .progress-bar {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            width: 100%;
            max-width: min(90vw, 1200px);
        }

        .progress {
            flex: 1;
            height: 4px;
            background-color: var(--hover-bg);
            border-radius: 2px;
            position: relative;
            cursor: pointer;
        }

        .progress-filled {
            height: 100%;
            background-color: var(--primary-color);
            border-radius: 2px;
            width: 30%;
            position: relative;
        }

        .progress-filled::after {
            content: '';
            position: absolute;
            right: -6px;
            top: 50%;
            transform: translateY(-50%);
            width: 12px;
            height: 12px;
            background-color: var(--text-primary);
            border-radius: 50%;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .progress:hover .progress-filled::after {
            opacity: 1;
        }

        .time {
            color: var(--text-secondary);
            font-size: 0.8rem;
            min-width: 40px;
        }

        .player-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex: 1;
            justify-content: flex-end;
        }

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

        .volume-slider {
            width: 100px;
            height: 4px;
            background-color: var(--hover-bg);
            border-radius: 2px;
            cursor: pointer;
            position: relative;
        }

        .volume-filled {
            height: 100%;
            background-color: var(--text-primary);
            border-radius: 2px;
            width: 70%;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            align-items: center;
            justify-content: center;
        }

        .modal.active {
            display: flex;
        }

        .modal-content {
            background-color: var(--light-bg);
            padding: 2rem;
            border-radius: 10px;
            width: 90%;
            max-width: 400px;
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .modal-header h2 {
            font-size: 1.5rem;
        }

        .close-modal {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        .form-group {
            margin-bottom: 1rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
        }

        .form-group input {
            width: 100%;
            padding: 0.75rem;
            background-color: var(--dark-bg);
            border: 1px solid var(--hover-bg);
            border-radius: 5px;
            color: var(--text-primary);
            font-size: 1rem;
        }

        .form-group input:focus {
            outline: none;
            border-color: var(--primary-color);
        }

        .modal-actions {
            display: flex;
            gap: 1rem;
            justify-content: flex-end;
            margin-top: 1.5rem;
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

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

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

        .btn-secondary {
            background-color: var(--hover-bg);
            color: var(--text-primary);
        }

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

        .btn-danger {
            background-color: var(--danger-color);
            color: white;
        }

        .btn-danger:hover {
            background-color: #c0392b;
        }

        /* Playlist Selection Modal */
        .playlist-list {
            max-height: 300px;
            overflow-y: auto;
            margin-bottom: 1rem;
        }

        .playlist-option {
            display: flex;
            align-items: center;
            padding: 0.75rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

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

        .playlist-option i {
            margin-right: 0.75rem;
            color: var(--text-secondary);
        }

        .playlist-option.selected {
            background-color: rgba(107, 70, 193, 0.2);
        }

        /* Delete Confirmation Modal */
        .delete-confirmation {
            text-align: center;
            margin-bottom: 1.5rem;
        }

        .delete-confirmation h3 {
            margin-bottom: 0.5rem;
        }

        .delete-confirmation p {
            color: var(--text-secondary);
        }

        /* Toast Notification */
        .toast {
            position: fixed;
            bottom: 100px;
            right: 20px;
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 1.5rem;
            border-radius: 5px;
            transform: translateX(400px);
            transition: transform 0.3s ease;
            z-index: 3000;
        }

        .toast.show {
            transform: translateX(0);
        }

        .toast.error {
            background-color: var(--danger-color);
        }

        /* Responsive Design */
        @media (max-width: 1200px) {
            .song-grid {
                grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            }
        }

        @media (max-width: 992px) {
            .search-container {
                margin: 0 1rem;
            }
            
            .song-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            }
            
            .player-content {
                padding: 0 1rem;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
             .logo span {
                display: none;
            }
             .logo  i {
                margin-left: 10px;
            }
            .sidebar {
                position: fixed;
                left: 0;
                top: 70px;
                height: calc(100vh - 70px);
                z-index: 999;
                transform: translateX(-100%);
            }
            
            .sidebar.active {
                transform: translateX(0);
            }
            
            .content {
                padding: 1rem;
            }
            
            .content-header h1 {
                font-size: 2rem;
            }
            
            .song-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
                gap: 1rem;
            }
            
            .song-list-item {
                grid-template-columns: 40px 1fr 60px;
            }
            
            .song-album {
                display: none;
            }
            
            .player {
                padding: 0.75rem;
            }
            
            .player-content {
                flex-wrap: wrap;
            }
            
            .now-playing {
                order: 1;
                width: 100%;
                margin-bottom: 0.5rem;
            }
            
            .player-controls {
                order: 3;
                width: 100%;
            }
            
            .player-actions {
                order: 2;
                justify-content: center;
                width: 100%;
                margin-bottom: 0.5rem;
            }
            
            .volume-control {
                display: none;
            }
            
            .control-buttons {
                gap: 0.75rem;
            }
            
            .control-btn {
                font-size: 1.2rem;
            }
            
            .play-btn {
                width: 36px;
                height: 36px;
            }
            
            .progress-bar {
                max-width: 100%;
            }
        }

        @media (max-width: 576px) {
            .logo span {
                display: none;
            }
            .logo  i {
                margin-left: 10px;
            }
            .now-playing img{
                display: none;
            }
            .search-container {
                margin: 0 0.5rem;
            }
            
            .user-actions button {
                font-size: 1rem;
            }
            
            .content-header h1 {
                font-size: 1.5rem;
            }
            
            .song-grid {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            }
            
            .song-card {
                padding: 0.75rem;
            }
            
            .song-info h3 {
                font-size: 0.9rem;
            }
            
            .song-info p {
                font-size: 0.75rem;
            }
            
            .song-list-item {
                padding: 0.75rem 0.5rem;
            }
            
            .now-playing img {
                width: 48px;
                height: 48px;
            }
            
            .now-playing-info h4 {
                font-size: 0.9rem;
            }
            
            .now-playing-info p {
                font-size: 0.75rem;
            }
            
            .control-btn {
                font-size: 1rem;
            }
            
            .play-btn {
                width: 32px;
                height: 32px;
            }
            
            .time {
                font-size: 0.7rem;
            }
            
            .modal-content {
                padding: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .search-bar {
                padding: 0.5rem 1rem 0.5rem 2.5rem;
                font-size: 0.8rem;
            }
            
            .search-icon {
                left: 0.75rem;
            }
            
            .content {
                padding: 0.75rem;
            }
            
            .song-grid {
                grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
            }
            
            .song-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.25rem;
            }
            
            .favorite-btn, .add-to-playlist-btn {
                font-size: 1rem;
            }
            
            .modal-content {
                width: 95%;
            }
        }