/* =============================================
           🚀 RESET & BASE - INSANE LEVEL
           ============================================= */ 
        :root {
            --accent: #f5b301;
            --accent-glow: rgba(245, 179, 1, 0.3);
            --glass-bg: rgba(20, 12, 40, 0.75);
            --sidebar-width: 280px; 
            --transition-spring: cubic-bezier(.22,1,.36,1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html, body {
            margin: 0 !important;
            padding: 0 !important;
            background: #0A0A0A !important;
            overflow-x: hidden !important;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            -webkit-font-smoothing: antialiased;
        }
        
        /* HIDE THEME HEADER */
        .site-header,
        #masthead,
        .site-branding,
        header:not(.cs-mobile-header),
        .cs-dashboard ~ header,
        body > header:not(.cs-mobile-header) {
            display: none !important;
        }
        
        /* =============================================
           💎 PREMIUM GLASS SIDEBAR (DESKTOP)
           ============================================= */
        .cs-sidebar {
            position: fixed !important;
            top: 0 !important;
            left: 0 !important;
            width: var(--sidebar-width) !important;
            height: 100vh !important;
            
            /* 🌫 GLASS */
            background: var(--glass-bg) !important;
            backdrop-filter: blur(25px) !important;
            -webkit-backdrop-filter: blur(25px) !important;
            
            /* 🧊 GRID LINES */
            background-image:
                linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px) !important;
            background-size: 40px 40px !important;
            
            /* ✨ EDGE GLOW */
            box-shadow: 
                -10px 0 40px rgba(0,0,0,0.6),
                inset 1px 0 rgba(255,255,255,0.08),
                inset 0 0 60px rgba(245, 179, 1, 0.08) !important;
            
            z-index: 10000 !important;
            overflow-y: auto !important;
            transition: transform 0.45s var(--transition-spring) !important;
            transform: translateX(0) !important;
        }
        
        /* SIDEBAR SCROLLBAR */
        .cs-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .cs-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .cs-sidebar::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 10px;
        }
        
        /* SIDEBAR LOGO */
        .cs-sidebar-logo {
            padding: 30px 24px 20px !important;
            border-bottom: 1px solid rgba(255,255,255,0.05) !important;
            margin-bottom: 10px !important;
        }
        
        .cs-sidebar-logo svg {
            max-width: 100%;
            height: auto;
        }
        
        /* =============================================
           🧠 SMART ACTIVE INDICATOR
           ============================================= */
        .cs-sidebar-nav {
            position: relative !important;
            padding: 0 !important;
        }
        
        .cs-active-indicator {
            position: absolute;
            left: 0;
            width: 4px;
            height: 40px;
            background: linear-gradient(180deg, #f5b301, #ff8c42);
            border-radius: 0 4px 4px 0;
            transition: top 0.4s var(--transition-spring);
            box-shadow: 0 0 20px rgba(245, 179, 1, 0.3);
            z-index: 1;
        }
        
        /* SIDEBAR NAV LINKS */
        .cs-sidebar-nav a {
            display: block !important;
            padding: 14px 24px !important;
            color: rgba(255,255,255,0.6) !important;
            text-decoration: none !important;
            border-bottom: 1px solid rgba(255,255,255,0.03) !important;
            transition: all 0.3s var(--transition-spring) !important;
            font-size: 0.95rem !important;
            font-weight: 500 !important;
            position: relative !important;
            cursor: pointer !important;
            will-change: transform;
        }
        
        .cs-sidebar-nav a:hover {
            color: #fff !important;
            background: rgba(245, 179, 1, 0.08) !important;
            transform: translateX(6px) !important;
        }
        
        .cs-sidebar-nav a.active {
            color: var(--accent) !important;
            background: rgba(245, 179, 1, 0.08) !important;
        }
        
        .cs-sidebar-nav a:last-child {
            border-top: 2px solid rgba(255,0,0,0.1) !important;
            margin-top: 30px !important;
            color: #ff4444 !important;
        }
        
        .cs-sidebar-nav a:last-child:hover {
            background: rgba(255,0,0,0.05) !important;
            color: #ff6666 !important;
        }
        
        /* =============================================
           📱 MOBILE HEADER - HIDDEN ON DESKTOP
           ============================================= */
        .cs-mobile-header {
            display: none !important;
            position: fixed !important;
            top: 0 !important;
            left: 0 !important;
            right: 0 !important;
            z-index: 9999 !important;
            background: rgba(10, 10, 10, 0.92) !important;
            backdrop-filter: blur(20px) !important;
            -webkit-backdrop-filter: blur(20px) !important;
            height: 64px !important;
            align-items: center !important;
            padding: 0 16px !important;
            border-bottom: 1px solid rgba(245, 179, 1, 0.1) !important;
        }
        
        .cs-menu-toggle {
            background: transparent !important;
            border: none !important;
            cursor: pointer !important;
            padding: 8px !important;
            display: flex !important;
            flex-direction: column !important;
            gap: 5px !important;
            flex-shrink: 0 !important;
            transition: all 0.3s ease !important;
        }
        
        .cs-menu-toggle span {
            display: block !important;
            width: 26px !important;
            height: 2.5px !important;
            background: var(--accent) !important;
            border-radius: 2px !important;
            transition: all 0.3s var(--transition-spring) !important;
            transform-origin: center !important;
        }
        
        .cs-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px) !important;
        }
        
        .cs-menu-toggle.active span:nth-child(2) {
            opacity: 0 !important;
            transform: scaleX(0) !important;
        }
        
        .cs-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px) !important;
        }
        
        .cs-mobile-logo {
            flex: 1 !important;
            display: flex !important;
            justify-content: center !important;
        }
        
        .cs-mobile-logo svg {
            height: 32px;
            width: auto;
        }
        
        /* =============================================
           🌊 OVERLAY WITH DEPTH EFFECT
           ============================================= */
        #csOverlay {
            position: fixed !important;
            inset: 0 !important;
            background: rgba(0, 0, 0, 0.6) !important;
            backdrop-filter: blur(8px) !important;
            -webkit-backdrop-filter: blur(8px) !important;
            opacity: 0 !important;
            pointer-events: none !important;
            transition: opacity 0.4s ease !important;
            z-index: 9998 !important;
        }
        
        #csOverlay.active {
            opacity: 1 !important;
            pointer-events: auto !important;
        }
        
        /* =============================================
           🎨 MAIN CONTENT
           ============================================= */
        .cs-dashboard-main {
            margin-left: var(--sidebar-width) !important;
            padding: 30px 40px 40px 50px !important;
            width: calc(100% - var(--sidebar-width)) !important;
            min-height: 100vh !important;
            transition: margin-left 0.45s var(--transition-spring) !important;
            background: #0A0A0A;
        }
        
        /* =============================================
           📱 MOBILE BREAKPOINT
           ============================================= */
        @media (max-width: 991px) {
            /* Show mobile header */
            .cs-mobile-header {
                display: flex !important;
            }
            
            /* Hide sidebar by default on mobile */
            .cs-sidebar {
                transform: translateX(-100%) !important;
                width: 300px !important;
                right: auto !important;
                left: 0 !important;
                border-right: 1px solid rgba(255,255,255,0.05) !important;
            }
            
            .cs-sidebar.open {
                transform: translateX(0) !important;
                box-shadow: 4px 0 40px rgba(0,0,0,0.8) !important;
            }
            
            /* 🌊 STAGGERED MENU ITEMS ON MOBILE */
            .cs-sidebar-nav a {
                opacity: 0 !important;
                transform: translateX(30px) !important;
                transition: all 0.4s ease !important;
            }
            
            .cs-sidebar.open .cs-sidebar-nav a {
                opacity: 1 !important;
                transform: translateX(0) !important;
            }
            
            /* Delay cascade */
            .cs-sidebar.open .cs-sidebar-nav a:nth-child(1) { transition-delay: .05s !important; }
            .cs-sidebar.open .cs-sidebar-nav a:nth-child(2) { transition-delay: .1s !important; }
            .cs-sidebar.open .cs-sidebar-nav a:nth-child(3) { transition-delay: .15s !important; }
            .cs-sidebar.open .cs-sidebar-nav a:nth-child(4) { transition-delay: .2s !important; }
            .cs-sidebar.open .cs-sidebar-nav a:nth-child(5) { transition-delay: .25s !important; }
            .cs-sidebar.open .cs-sidebar-nav a:nth-child(6) { transition-delay: .3s !important; }
            
            /* Main content full width on mobile */
            .cs-dashboard-main {
                margin-left: 0 !important;
                width: 100% !important;
                padding: 80px 16px 30px 16px !important;
            }
        }
        
        /* =============================================
           🎵 AUDIO REACTIVE GLOW ANIMATION
           ============================================= */
        @keyframes pulseGlow {
            0% { box-shadow: inset 0 0 40px rgba(245,179,1,0.08), -10px 0 40px rgba(0,0,0,0.6); }
            50% { box-shadow: inset 0 0 80px rgba(245,179,1,0.25), -10px 0 40px rgba(0,0,0,0.6); }
            100% { box-shadow: inset 0 0 40px rgba(245,179,1,0.08), -10px 0 40px rgba(0,0,0,0.6); }
        }
        
        .cs-sidebar.playing {
            animation: pulseGlow 1.5s ease-in-out infinite !important;
        }
        
        /* =============================================
           🎨 YOUR EXISTING WAVE STYLES
           ============================================= */
        .wave-dashboard {
            background: #0A0A0A;
            color: #fff;
        }

        .wave-hero {
            position: relative;
            border-radius: 32px;
            padding: 60px 40px;
            margin: 0 0 30px 0;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0,0,0,0.8);
            border: 1px solid rgba(245, 179, 1, 0.15);
        }
        
        .wave-hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        
        .wave-hero-avatar {
            position: relative;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            border: 3px solid var(--accent);
            box-shadow: 0 0 30px var(--accent-glow);
            margin-bottom: 20px;
        }
        
        .wave-hero-avatar img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            object-fit: cover;
        }
        
        .status-dot {
            position: absolute;
            bottom: 4px;
            right: 4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            border: 2px solid #0A0A0A;
        }
        .status-dot.online {
            background: #00E676;
            box-shadow: 0 0 15px #00E676;
        }
        
        .wave-hero-title {
            font-size: 3.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #f5b301, #ff8c42);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin: 0;
        }
        
        .wave-hero-subtitle {
            font-size: 1.2rem;
            opacity: 0.6;
            margin: 8px 0 24px;
            letter-spacing: 0.4px;
        }
        
        .wave-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .cs-btn-gold {
            background: linear-gradient(135deg, #f5b301, #ff8c42);
            color: #0A0A0A;
            border: none;
            padding: 12px 32px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: 0 8px 25px rgba(245, 179, 1, 0.4);
            letter-spacing: 0.3px;
        }
        .cs-btn-gold:hover {
            transform: scale(1.05);
            box-shadow: 0 12px 35px rgba(245, 179, 1, 0.6);
        }
        
        .cs-btn-glass {
            background: rgba(255,255,255,0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.15);
            color: #fff;
            padding: 12px 32px;
            border-radius: 60px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .cs-btn-glass:hover {
            background: rgba(255,255,255,0.18);
            border-color: var(--accent);
        }
        
        .wave-hero-glow {
            position: absolute;
            top: -20%;
            right: -10%;
            width: 60%;
            height: 140%;
            background: radial-gradient(circle, rgba(245,179,1,0.12) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }
        
        /* STATS */
        .wave-stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 20px;
            margin: 30px 0 40px;
        }
        .wave-stat-card {
            background: rgba(255,255,255,0.04);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 24px;
            padding: 24px 16px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 8px 30px rgba(0,0,0,0.5);
        }
        .wave-stat-card:hover {
            transform: translateY(-6px);
            border-color: rgba(245, 179, 1, 0.4);
            background: rgba(245, 179, 1, 0.05);
        }
        .stat-icon {
            font-size: 1.8rem;
            display: block;
            margin-bottom: 6px;
        }
        .stat-value {
            font-size: 2rem;
            font-weight: 700;
            display: block;
            color: var(--accent);
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.9rem;
            opacity: 0.6;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            font-weight: 500;
        }
        
        /* PLAYER */
        .wave-player-section {
            margin: 30px 0 40px;
        }
        .wave-player-card {
            background: rgba(20,20,20,0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 60px;
            padding: 16px 28px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: 0 16px 50px rgba(0,0,0,0.7);
        }
        .player-artwork {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid rgba(245,179,1,0.3);
        }
        .player-artwork img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .player-meta {
            flex: 1;
            min-width: 120px;
        }
        .player-track-title {
            font-weight: 600;
            font-size: 1.1rem;
            color: #fff;
        }
        .player-track-artist {
            font-size: 0.9rem;
            opacity: 0.6;
        }
        .player-controls {
            display: flex;
            align-items: center;
            gap: 18px;
            flex: 2;
            min-width: 200px;
        }
        .ctrl-btn {
            background: linear-gradient(135deg, #f5b301, #ff8c42);
            border: none;
            color: #0A0A0A;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(245,179,1,0.4);
            flex-shrink: 0;
        }
        .ctrl-btn:hover {
            transform: scale(1.08);
        }
        .player-progress {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            min-width: 120px;
        }
        .player-progress input[type="range"] {
            flex: 1;
            -webkit-appearance: none;
            background: rgba(255,255,255,0.15);
            height: 4px;
            border-radius: 10px;
            outline: none;
            transition: background 0.2s;
        }
        .player-progress input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 14px;
            height: 14px;
            background: var(--accent);
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 0 20px var(--accent-glow);
        }
        .player-progress span {
            font-size: 0.8rem;
            opacity: 0.7;
            min-width: 36px;
        }
        .player-like-btn {
            background: transparent;
            border: none;
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.5;
            transition: all 0.2s;
            padding: 0 8px;
        }
        .player-like-btn:hover {
            opacity: 1;
            transform: scale(1.2);
        }
        
        /* TRACK LIBRARY */
        .wave-library {
            margin-top: 50px;
        }
        .wave-library-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 30px;
            gap: 20px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            padding-bottom: 20px;
        }
        .wave-library-title-wrap {
            display: flex;
            align-items: baseline;
            gap: 16px;
        }
        .wave-library-title-wrap h2 {
            font-size: 2rem;
            font-weight: 600;
            margin: 0;
            letter-spacing: -0.02em;
        }
        .wave-track-count {
            background: rgba(245,179,1,0.15);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: var(--accent);
            font-weight: 500;
        }
        .wave-library-controls {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }
        .wave-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.06);
            border-radius: 60px;
            padding: 0 16px;
            border: 1px solid rgba(255,255,255,0.06);
            transition: all 0.2s;
        }
        .wave-search-wrap:focus-within {
            border-color: var(--accent);
            background: rgba(255,255,255,0.08);
        }
        .wave-search-icon {
            opacity: 0.5;
            margin-right: 8px;
        }
        .wave-track-search {
            background: transparent;
            border: none;
            padding: 12px 6px;
            color: #fff;
            outline: none;
            font-size: 0.95rem;
            min-width: 160px;
        }
        .wave-track-search::placeholder {
            color: rgba(255,255,255,0.3);
        }
        .wave-track-sort {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 60px;
            padding: 12px 20px;
            color: #fff;
            font-size: 0.9rem;
            cursor: pointer;
            outline: none;
            transition: all 0.2s;
        }
        .wave-track-sort:focus {
            border-color: var(--accent);
        }
        .wave-track-sort option {
            background: #1A1A1A;
            color: #fff;
        }
        
        /* TRACK ROWS */
        .wave-track-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .wave-track-row {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 12px 18px;
            background: rgba(255,255,255,0.02);
            border-radius: 16px;
            border: 1px solid rgba(255,255,255,0.03);
            transition: all 0.25s ease;
            cursor: pointer;
            position: relative;
        }
        .wave-track-row:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(245,179,1,0.15);
            transform: scale(1.01);
        }
        .wave-track-row.active {
            background: rgba(245,179,1,0.08);
            border-color: var(--accent);
            box-shadow: 0 0 30px rgba(245,179,1,0.05);
        }
        .wave-track-left {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 70px;
        }
        .wave-track-number {
            font-size: 0.85rem;
            font-weight: 500;
            opacity: 0.3;
            font-variant-numeric: tabular-nums;
            min-width: 30px;
            text-align: right;
        }
        .wave-play-btn {
            background: transparent;
            border: none;
            color: var(--accent);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.2s;
            opacity: 0.6;
            padding: 4px 8px;
            border-radius: 50%;
        }
        .wave-play-btn:hover {
            opacity: 1;
            transform: scale(1.15);
            background: rgba(245,179,1,0.1);
        }
        .wave-track-thumb {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            object-fit: cover;
            border: 1px solid rgba(255,255,255,0.05);
            flex-shrink: 0;
        }
        .wave-track-meta {
            flex: 1;
            min-width: 140px;
        }
        .wave-track-title {
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .wave-track-artist {
            font-size: 0.85rem;
            opacity: 0.5;
        }
        .wave-track-waveform {
            flex: 2;
            display: flex;
            align-items: center;
            gap: 16px;
            min-width: 120px;
        }
        .waveform-bars {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            height: 32px;
        }
        .waveform-bars span {
            display: block;
            flex: 1;
            height: 100%;
            background: rgba(255,255,255,0.08);
            border-radius: 2px;
            transition: all 0.4s ease;
            animation: waveFlicker 2.4s infinite ease-in-out alternate;
            transform-origin: bottom;
        }
        .waveform-bars span:nth-child(1) { height: 20%; animation-delay: 0.0s; }
        .waveform-bars span:nth-child(2) { height: 45%; animation-delay: 0.1s; }
        .waveform-bars span:nth-child(3) { height: 70%; animation-delay: 0.2s; }
        .waveform-bars span:nth-child(4) { height: 90%; animation-delay: 0.3s; }
        .waveform-bars span:nth-child(5) { height: 60%; animation-delay: 0.4s; }
        .waveform-bars span:nth-child(6) { height: 35%; animation-delay: 0.5s; }
        .waveform-bars span:nth-child(7) { height: 80%; animation-delay: 0.6s; }
        .waveform-bars span:nth-child(8) { height: 55%; animation-delay: 0.7s; }
        .waveform-bars span:nth-child(9) { height: 95%; animation-delay: 0.8s; }
        .waveform-bars span:nth-child(10) { height: 40%; animation-delay: 0.9s; }
        .waveform-bars span:nth-child(11) { height: 65%; animation-delay: 1.0s; }
        .waveform-bars span:nth-child(12) { height: 25%; animation-delay: 1.1s; }
        .waveform-bars span:nth-child(13) { height: 75%; animation-delay: 1.2s; }
        .waveform-bars span:nth-child(14) { height: 50%; animation-delay: 1.3s; }
        .waveform-bars span:nth-child(15) { height: 85%; animation-delay: 1.4s; }
        .waveform-bars span:nth-child(16) { height: 30%; animation-delay: 1.5s; }
        .waveform-bars span:nth-child(17) { height: 68%; animation-delay: 1.6s; }
        .waveform-bars span:nth-child(18) { height: 48%; animation-delay: 1.7s; }
        .waveform-bars span:nth-child(19) { height: 78%; animation-delay: 1.8s; }
        .waveform-bars span:nth-child(20) { height: 38%; animation-delay: 1.9s; }
        .waveform-bars span:nth-child(21) { height: 88%; animation-delay: 2.0s; }
        .waveform-bars span:nth-child(22) { height: 58%; animation-delay: 2.1s; }
        .waveform-bars span:nth-child(23) { height: 72%; animation-delay: 2.2s; }
        .waveform-bars span:nth-child(24) { height: 42%; animation-delay: 2.3s; }
        .waveform-bars span:nth-child(25) { height: 92%; animation-delay: 2.4s; }
        .waveform-bars span:nth-child(26) { height: 28%; animation-delay: 0.15s; }
        .waveform-bars span:nth-child(27) { height: 62%; animation-delay: 0.25s; }
        .waveform-bars span:nth-child(28) { height: 82%; animation-delay: 0.35s; }
        .waveform-bars span:nth-child(29) { height: 52%; animation-delay: 0.45s; }
        .waveform-bars span:nth-child(30) { height: 76%; animation-delay: 0.55s; }

        @keyframes waveFlicker {
            0% { background: rgba(255,255,255,0.06); }
            50% { background: rgba(245,179,1,0.25); }
            100% { background: rgba(255,255,255,0.10); }
        }
        .wave-track-row.active .waveform-bars span {
            animation: waveActive 1.8s infinite ease-in-out alternate;
            background: rgba(245,179,1,0.6);
        }
        @keyframes waveActive {
            0% { background: rgba(245,179,1,0.3); transform: scaleY(0.9); }
            50% { background: var(--accent); transform: scaleY(1.4); }
            100% { background: rgba(245,179,1,0.5); transform: scaleY(0.8); }
        }
        .wave-track-duration {
            font-size: 0.8rem;
            opacity: 0.4;
            font-variant-numeric: tabular-nums;
            min-width: 44px;
            text-align: right;
        }
        .wave-track-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            min-width: 40px;
            justify-content: flex-end;
        }
        .wave-delete-btn {
            background: transparent;
            border: none;
            color: rgba(255,0,0,0.3);
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.2s;
            padding: 4px 8px;
            border-radius: 50%;
        }
        .wave-delete-btn:hover {
            background: rgba(255,0,0,0.1);
            color: #ff4d4d;
        }
        .wave-empty-state {
            text-align: center;
            padding: 60px 20px;
            color: rgba(255,255,255,0.5);
        }
        .wave-empty-state p {
            font-size: 1.2rem;
            margin-bottom: 30px;
        }
               
        /* =============================================
           📱 MOBILE RESPONSIVE ADJUSTMENTS
           ============================================= */
        @media (max-width: 991px) {
            .wave-hero {
                padding: 40px 20px;
                border-radius: 20px;
            }
            .wave-hero-title {
                font-size: 2.2rem;
            }
            .wave-player-card {
                border-radius: 30px;
                padding: 16px 20px;
                gap: 16px;
            }
            .wave-track-row {
                flex-wrap: wrap;
                padding: 12px;
                gap: 12px;
            }
            .wave-track-waveform {
                flex: 1 1 100%;
                order: 4;
            }
            .wave-upload-panel {
                bottom: 16px;
                right: 16px;
                min-width: 160px;
                padding: 16px;
            }
            .wave-library-header {
                flex-direction: column;
                align-items: stretch;
                gap: 16px;
            }
            .wave-library-controls {
                flex-direction: column;
                width: 100%;
            }
            .wave-search-wrap {
                width: 100%;
            }
            .wave-track-search {
                width: 100%;
                min-width: unset;
            }
            .wave-track-sort {
                width: 100%;
            }
        }
        
        @media (max-width: 480px) {
            .wave-hero-title {
                font-size: 1.8rem;
            }
            .wave-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .wave-stat-card {
                padding: 16px 12px;
            }
            .stat-value {
                font-size: 1.5rem;
            }
            .wave-player-card {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                border-radius: 20px;
            }
            .player-artwork {
                align-self: center;
            }
            .player-controls {
                flex-direction: column;
                gap: 12px;
            }
            .player-progress {
                width: 100%;
            }
        }