<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>SoundWave - Music Player</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --primary-color: #ff6b6b;
            --primary-dark: #ff5252;
            --bg-dark: #1a1a2e;
            --bg-darker: #16213e;
            --text-light: #aaa;
            --card-bg: rgba(255, 255, 255, 0.05);
            --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        body {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
            color: #fff;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            flex: 1;
        }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 30px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-color);
        }

        .logo i {
            font-size: 32px;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        nav a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            padding: 8px 12px;
            border-radius: 20px;
        }

        nav a:hover, nav a.active {
            color: var(--primary-color);
            background: rgba(255, 107, 107, 0.1);
        }

        .user-actions {
            display: flex;
            gap: 15px;
        }

        .btn {
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            outline: none;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
        }

        .btn-outline:hover {
            background: var(--primary-color);
            color: #fff;
        }

        .btn-primary {
            background: var(--primary-color);
            border: 2px solid var(--primary-color);
            color: #fff;
        }

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

        .page {
            display: none;
        }

        .page.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

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

        .player-container {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 30px;
            margin-bottom: 30px;
        }

        .main-player {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 25px;
            box-shadow: var(--card-shadow);
        }

        .track-info {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 25px;
        }

        .track-cover {
            width: 150px;
            height: 150px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        }

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

        .track-details {
            flex: 1;
        }

        .track-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .track-artist {
            font-size: 18px;
            color: var(--text-light);
            margin-bottom: 15px;
        }

        .track-stats {
            display: flex;
            gap: 20px;
            color: var(--text-light);
            font-size: 14px;
        }

        .waveform {
            height: 120px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            margin-bottom: 25px;
            position: relative;
            overflow: hidden;
        }

        .wave-bars {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            height: 100%;
            padding: 0 10px;
        }

        .wave-bar {
            width: 4px;
            background: var(--primary-color);
            border-radius: 2px;
        }

        .player-controls {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .progress-bar {
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 5px;
            cursor: pointer;
        }

        .progress {
            height: 100%;
            background: var(--primary-color);
            width: 45%;
            border-radius: 3px;
            transition: width 0.1s linear;
        }

        .time-info {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            color: var(--text-light);
        }

        .control-buttons {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 25px;
        }

        .control-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            transition: color 0.3s;
        }

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

        .control-btn.play-pause {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .control-btn.play-pause:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .volume-control {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 10px;
        }

        .volume-slider {
            flex: 1;
            height: 4px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 2px;
            position: relative;
            cursor: pointer;
        }

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

        .playlist {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 25px;
            box-shadow: var(--card-shadow);
            max-height: 600px;
            overflow-y: auto;
        }

        .playlist-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .playlist-title {
            font-size: 20px;
            font-weight: 700;
        }

        .playlist-count {
            color: var(--text-light);
            font-size: 14px;
        }

        .playlist-items {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .playlist-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 12px;
            border-radius: 10px;
            transition: background 0.3s;
            cursor: pointer;
        }

        .playlist-item:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .playlist-item.active {
            background: rgba(255, 107, 107, 0.2);
        }

        .item-cover {
            width: 50px;
            height: 50px;
            border-radius: 8px;
            overflow: hidden;
        }

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

        .item-details {
            flex: 1;
        }

        .item-title {
            font-weight: 600;
            margin-bottom: 3px;
        }

        .item-artist {
            font-size: 13px;
            color: var(--text-light);
        }

        .item-duration {
            color: var(--text-light);
            font-size: 13px;
        }

        .social-actions {
            display: flex;
            gap: 20px;
            margin-top: 20px;
        }

        .social-btn {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 14px;
            cursor: pointer;
            transition: background 0.3s;
        }

        .social-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .social-btn.active {
            color: var(--primary-color);
        }

        .comments-section {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 25px;
            box-shadow: var(--card-shadow);
            margin-top: 30px;
        }

        .comments-header {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .comment {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
        }

        .comment-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            overflow: hidden;
        }

        .comment-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .comment-content {
            flex: 1;
        }

        .comment-author {
            font-weight: 600;
            margin-bottom: 5px;
        }

        .comment-text {
            color: #ddd;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .comment-actions {
            display: flex;
            gap: 15px;
            font-size: 13px;
            color: var(--text-light);
        }

        .comment-action {
            display: flex;
            align-items: center;
            gap: 5px;
            cursor: pointer;
            transition: color 0.3s;
        }

        .comment-action:hover {
            color: var(--primary-color);
        }

        /* Upload Section */
        .upload-container {
            background: var(--card-bg);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            margin-bottom: 30px;
        }

        .upload-header {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
            text-align: center;
        }

        .upload-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group label {
            font-weight: 600;
        }

        .form-group input, .form-group textarea {
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            font-size: 16px;
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .upload-area {
            border: 2px dashed rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 40px 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
        }

        .upload-area:hover {
            border-color: var(--primary-color);
            background: rgba(255, 107, 107, 0.05);
        }

        .upload-area i {
            font-size: 48px;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        .upload-area p {
            color: var(--text-light);
            margin-bottom: 10px;
        }

        .upload-btn {
            align-self: center;
            margin-top: 10px;
        }

        /* Library Section */
        .library-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }

        .library-title {
            font-size: 24px;
            font-weight: 700;
        }

        .library-filters {
            display: flex;
            gap: 15px;
        }

        .filter-btn {
            background: rgba(255, 255, 255, 0.05);
            border: none;
            color: #fff;
            padding: 8px 16px;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s;
        }

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

        .tracks-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
        }

        .track-card {
            background: var(--card-bg);
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
        }

        .track-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
        }

        .track-card-cover {
            width: 100%;
            height: 180px;
            overflow: hidden;
        }

        .track-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .track-card-info {
            padding: 15px;
        }

        .track-card-title {
            font-weight: 600;
            margin-bottom: 5px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .track-card-artist {
            font-size: 14px;
            color: var(--text-light);
        }

        /* Stream Section */
        .stream-header {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 25px;
        }

        .stream-feed {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feed-item {
            background: var(--card-bg);
            border-radius: 10px;
            padding: 20px;
            display: flex;
            gap: 15px;
        }

        .feed-user-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            overflow: hidden;
        }

        .feed-user-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feed-content {
            flex: 1;
        }

        .feed-user-name {
            font-weight: 600;
            margin-bottom: 5px;
        }

        .feed-action {
            color: var(--text-light);
            margin-bottom: 10px;
            font-size: 14px;
        }

        .feed-track {
            display: flex;
            gap: 15px;
            margin-top: 10px;
            padding: 10px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
        }

        .feed-track-cover {
            width: 60px;
            height: 60px;
            border-radius: 5px;
            overflow: hidden;
        }

        .feed-track-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feed-track-info {
            flex: 1;
        }

        .feed-track-title {
            font-weight: 600;
            margin-bottom: 5px;
        }

        .feed-track-artist {
            font-size: 14px;
            color: var(--text-light);
        }

        footer {
            text-align: center;
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 30px;
            color: var(--text-light);
            font-size: 14px;
        }

        /* Responsive adjustments */
        @media (max-width: 900px) {
            .player-container {
                grid-template-columns: 1fr;
            }
            
            .track-info {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 600px) {
            header {
                flex-direction: column;
                gap: 15px;
            }
            
            nav ul {
                gap: 15px;
            }
            
            .user-actions {
                width: 100%;
                justify-content: center;
            }
            
            .tracks-grid {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <header>
            <div class="logo">
                <i class="fas fa-wave-square"></i>
                <span>SoundWave</span>
            </div>
            <nav>
                <ul>
                    <li><a href="#" class="nav-link active" data-page="home">Home</a></li>
                    <li><a href="#" class="nav-link" data-page="stream">Stream</a></li>
                    <li><a href="#" class="nav-link" data-page="library">Library</a></li>
                    <li><a href="#" class="nav-link" data-page="upload">Upload</a></li>
                </ul>
            </nav>
            <div class="user-actions">
                <button class="btn btn-outline" id="signUpBtn">Sign Up</button>
                <button class="btn btn-primary" id="signInBtn">Sign In</button>
            </div>
        </header>

        <!-- Home Page -->
        <div class="page active" id="home">
            <div class="player-container">
                <div class="main-player">
                    <div class="track-info">
                        <div class="track-cover">
                            <img src="https://images.unsplash.com/photo-1493225457124-a3eb161ffa5f?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1170&q=80" alt="Track Cover">
                        </div>
                        <div class="track-details">
                            <h1 class="track-title">Midnight City</h1>
                            <p class="track-artist">M83</p>
                            <div class="track-stats">
                                <span><i class="fas fa-play"></i> 2.4M plays</span>
                                <span><i class="fas fa-heart"></i> 124K likes</span>
                                <span><i class="fas fa-retweet"></i> 12K reposts</span>
                            </div>
                        </div>
                    </div>

                    <div class="waveform">
                        <div class="wave-bars">
                            <!-- Wave bars will be generated by JavaScript -->
                        </div>
                    </div>

                    <div class="player-controls">
                        <div class="progress-bar" id="progressBar">
                            <div class="progress" id="progress"></div>
                        </div>
                        <div class="time-info">
                            <span id="currentTime">0:00</span>
                            <span id="duration">0:00</span>
                        </div>

                        <div class="control-buttons">
                            <button class="control-btn" id="shuffleBtn"><i class="fas fa-random"></i></button>
                            <button class="control-btn" id="prevBtn"><i class="fas fa-step-backward"></i></button>
                            <button class="control-btn play-pause" id="playPauseBtn"><i class="fas fa-play"></i></button>
                            <button class="control-btn" id="nextBtn"><i class="fas fa-step-forward"></i></button>
                            <button class="control-btn" id="repeatBtn"><i class="fas fa-redo"></i></button>
                        </div>

                        <div class="volume-control">
                            <i class="fas fa-volume-up"></i>
                            <div class="volume-slider" id="volumeSlider">
                                <div class="volume-level" id="volumeLevel"></div>
                            </div>
                        </div>
                    </div>

                    <div class="social-actions">
                        <div class="social-btn" id="likeBtn">
                            <i class="fas fa-heart"></i>
                            <span>Like</span>
                        </div>
                        <div class="social-btn" id="repostBtn">
                            <i class="fas fa-retweet"></i>
                            <span>Repost</span>
                        </div>
                        <div class="social-btn" id="shareBtn">
                            <i class="fas fa-share-alt"></i>
                            <span>Share</span>
                        </div>
                        <div class="social-btn" id="downloadBtn">
                            <i class="fas fa-download"></i>
                            <span>Download</span>
                        </div>
                    </div>
                </div>

                <div class="playlist">
                    <div class="playlist-header">
                        <h2 class="playlist-title">Next Up</h2>
                        <span class="playlist-count">12 tracks</span>
                    </div>
                    <div class="playlist-items" id="playlistItems">
                        <!-- Playlist items will be generated by JavaScript -->
                    </div>
                </div>
            </div>

            <div class="comments-section">
                <h2 class="comments-header">Comments (24)</h2>
                <div class="comment">
                    <div class="comment-avatar">
                        <img src="https://images.unsplash.com/photo-1535713875002-d1d0cf377fde?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=880&q=80" alt="User Avatar">
                    </div>
                    <div class="comment-content">
                        <div class="comment-author">MusicLover42</div>
                        <div class="comment-text">This track takes me back to summer 2018. Such a vibe! 🔥</div>
                        <div class="comment-actions">
                            <div class="comment-action">
                                <i class="fas fa-heart"></i>
                                <span>24</span>
                            </div>
                            <div class="comment-action">
                                <i class="fas fa-reply"></i>
                                <span>Reply</span>
                            </div>
                            <div class="comment-action">
                                <i class="fas fa-flag"></i>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="comment">
                    <div class="comment-avatar">
                        <img src="https://images.unsplash.com/photo-1494790108755-2616b612b786?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=687&q=80" alt="User Avatar">
                    </div>
                    <div class="comment-content">
                        <div class="comment-author">SynthWaveQueen</div>
                        <div class="comment-text">The production on this is incredible. That synth line is pure ear candy!</div>
                        <div class="comment-actions">
                            <div class="comment-action">
                                <i class="fas fa-heart"></i>
                                <span>18</span>
                            </div>
                            <div class="comment-action">
                                <i class="fas fa-reply"></i>
                                <span>Reply</span>
                            </div>
                            <div class="comment-action">
                                <i class="fas fa-flag"></i>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Stream Page -->
        <div class="page" id="stream">
            <h2 class="stream-header">Your Stream</h2>
            <div class="stream-feed">
                <div class="feed-item">
                    <div class="feed-user-avatar">
                        <img src="https://images.unsplash.com/photo-1507003211169-0a1dd7228f2d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=687&q=80" alt="User Avatar">
                    </div>
                    <div class="feed-content">
                        <div class="feed-user-name">DJ_Prodigy</div>
                        <div class="feed-action">liked a track</div>
                        <div class="feed-track">
                            <div class="feed-track-cover">
                                <img src="https://images.unsplash.com/photo-1571330735066-03aaa9429d89?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1170&q=80" alt="Track Cover">
                            </div>
                            <div class="feed-track-info">
                                <div class="feed-track-title">Blinding Lights</div>
                                <div class="feed-track-artist">The Weeknd</div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="feed-item">
                    <div class="feed-user-avatar">
                        <img src="https://images.unsplash.com/photo-1535713875002-d1d0cf377fde?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=880&q=80" alt="User Avatar">
                    </div>
                    <div class="feed-content">
                        <div class="feed-user-name">MusicLover42</div>
                        <div class="feed-action">reposted a track</div>
                        <div class="feed-track">
                            <div class="feed-track-cover">
                                <img src="https://images.unsplash.com/photo-1470225620780-dba8ba36b745?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1170&q=80" alt="Track Cover">
                            </div>
                            <div class="feed-track-info">
                                <div class="feed-track-title">Levitating</div>
                                <div class="feed-track-artist">Dua Lipa</div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Library Page -->
        <div class="page" id="library">
            <div class="library-header">
                <h2 class="library-title">Your Library</h2>
                <div class="library-filters">
                    <button class="filter-btn active">All</button>
                    <button class="filter-btn">Liked</button>
                    <button class="filter-btn">Playlists</button>
                    <button class="filter-btn">Albums</button>
                </div>
            </div>
            <div class="tracks-grid" id="libraryTracks">
                <!-- Library tracks will be generated by JavaScript -->
            </div>
        </div>

        <!-- Upload Page -->
        <div class="page" id="upload">
            <div class="upload-container">
                <h2 class="upload-header">Upload Your Music</h2>
                <form class="upload-form" id="uploadForm">
                    <div class="form-group">
                        <label for="trackTitle">Track Title</label>
                        <input type="text" id="trackTitle" placeholder="Enter track title" required>
                    </div>
                    <div class="form-group">
                        <label for="trackArtist">Artist Name</label>
                        <input type="text" id="trackArtist" placeholder="Enter artist name" required>
                    </div>
                    <div class="form-group">
                        <label for="trackDescription">Description</label>
                        <textarea id="trackDescription" placeholder="Describe your track">