* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --primary-color: #ffffff;
            --primary-hover: #e0e0e0;
            --dark-bg: #121212;
            --darker-bg: #000000;
            --panel-bg: #181818;
            --panel-hover: #282828;
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --active-color: #1db954;
            /* Green Spotify-like for active states */
        }

        body {
            color: var(--text-primary);
            min-height: 100vh;
            overflow: hidden;
        }

        /* ========== MOBILE FULLSCREEN PLAYER ========== */
        @media (max-width: 767px) {
            body {
                background: #000;
            }

            .desktop-player {
                display: none !important;
            }

            .mobile-player {
                display: block !important;
            }

            .music-site-footer {
                display: none;
            }

            .mobile-music-footer {
                display: block;
            }
        }

        @media (min-width: 768px) {
            .mobile-player {
                display: none !important;
            }

            .desktop-player {
                display: block !important;
            }

            .music-site-footer {
                display: block;
            }

            .mobile-music-footer {
                display: none;
            }
        }

        /* Mobile Player - Continuous Scroll */
        .mobile-player {
            position: fixed;
            inset: 0;
            display: none;
            background: transparent;
            overflow-y: auto;
            overflow-x: hidden;
            scroll-snap-type: y proximity;
            -webkit-overflow-scrolling: touch;
            isolation: isolate;
        }

        .mobile-player::-webkit-scrollbar {
            display: none;
        }

        /* Fondo Blur Global para Mobile */
        .mobile-player::before,
        .mobile-player::after {
            display: none;
        }

        .mobile-bg-stack {
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 0;
            overflow: hidden;
        }

        .mobile-bg-layer {
            position: absolute;
            inset: -20%;
            width: 140%;
            height: 140%;
            object-fit: cover;
            filter: blur(60px) saturate(1.7);
            transform: translate(-10%, -10%) scale(1.02);
            opacity: 0;
            transition: opacity 0.42s ease;
            will-change: opacity;
        }

        .mobile-bg-layer.is-active {
            opacity: 0.7;
        }

        .mobile-bg-dim {
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
        }

        /* Main Player Section (First Screen) */
        .mobile-player-section {
            position: relative;
            min-height: 100vh;
            height: 100vh;
            display: flex;
            flex-direction: column;
            scroll-snap-align: start;
            /* El fondo ahora es manejado por .mobile-player */
            background: transparent;
            overflow: hidden;
            z-index: 1;
        }

        /* Video Background */
        .video-background {
            display: none;
        }

        /* Mobile Content */
        .mobile-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            height: 100%;
            padding: 24px 22px 20px;
            justify-content: center;
        }

        /* Top Actions */
        .mobile-top-actions {
            position: absolute;
            top: 20px;
            right: 20px;
            display: flex;
            gap: 15px;
            z-index: 10;
        }

        .mobile-action-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(10px);
            border: none;
            color: white;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        /* Song Info Section */
.mobile-song-info {
            transition: transform 0.3s ease, opacity 0.3s ease;
            position: relative;
            margin-top: 34px;
            touch-action: pan-y;
        }

        .slide-left-out {
            animation: slideLeftOut 0.3s forwards;
        }

        .slide-left-in {
            animation: slideLeftIn 0.3s forwards;
        }

        .slide-right-out {
            animation: slideRightOut 0.3s forwards;
        }

        .slide-right-in {
            animation: slideRightIn 0.3s forwards;
        }

        @keyframes slideLeftOut {
            to {
                transform: translateX(-100%);
                opacity: 0;
            }
        }

        @keyframes slideLeftIn {
            from {
                transform: translateX(100%);
                opacity: 0;
            }

            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        @keyframes slideRightOut {
            to {
                transform: translateX(100%);
                opacity: 0;
            }
        }

        @keyframes slideRightIn {
            from {
                transform: translateX(-100%);
                opacity: 0;
            }

            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        .mobile-song-header.animating {
            pointer-events: none;
        }

        .mobile-song-header {
            display: flex;
            flex-direction: column;
            align-items: stretch;
            gap: 14px;
            margin-bottom: 18px;
            will-change: transform, opacity;
            backface-visibility: hidden;
            transform: translate3d(0, 0, 0);
        }

        .mobile-album-art-wrapper {
            width: min(80vw, 390px);
            height: min(80vw, 390px);
            border-radius: 24px;
            box-shadow: 0 18px 38px rgba(0, 0, 0, 0.42);
            margin: 0 auto;
            overflow: hidden;
            position: relative;
            background-color: #1b2740;
            background:
                radial-gradient(120% 120% at 12% 12%, rgba(225, 236, 255, 0.42), rgba(225, 236, 255, 0.08) 55%),
                linear-gradient(140deg, rgba(98, 134, 194, 0.76), rgba(26, 40, 68, 0.94));
            /* Importante para el zoom */
            flex-shrink: 0;
        }

        .mobile-album-art {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .mobile-album-art.artwork-managed {
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.28s ease;
        }

        .mobile-album-art.artwork-managed.is-ready {
            opacity: 1;
            visibility: visible;
        }

        .mobile-song-info.expanded .mobile-album-art-wrapper {
            width: min(80vw, 390px);
            height: min(80vw, 390px);
        }

        .mobile-song-text {
            width: 100%;
            margin-top: 52px;
        }

        .mobile-song-title {
            font-size: clamp(24px, 6.2vw, 36px);
            font-weight: 780;
            letter-spacing: 0.01em;
            margin-bottom: 6px;
            color: white;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            text-transform: uppercase;
        }

        .mobile-song-artist {
            font-size: clamp(13px, 3.6vw, 18px);
            color: rgba(230, 241, 255, 0.76);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* Previsualizaciones para el efecto carrusel */
        .mobile-song-preview {
            position: absolute;
            top: 0;
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: stretch;
            gap: 14px;
            box-sizing: border-box;
            background: rgba(0, 0, 0, 0);
            /* Transparente */
            pointer-events: none;
            /* No recibir clics */
            will-change: transform, opacity;
            backface-visibility: hidden;
            transform: translate3d(0, 0, 0);
            opacity: 0.25;
        }

        .mobile-song-preview.next {
            left: 100%;
        }

        .mobile-song-preview.prev {
            left: -100%;
        }

        /* Progress Bar */
        .mobile-progress-bar {
            width: 100%;
            height: 6px;
            background: rgba(255, 255, 255, 0.18);
            border-radius: 2px;
            margin-top: 30px;
            position: relative;
            cursor: pointer;
        }

        .mobile-progress {
            height: 100%;
            background: white;
            border-radius: 2px;
            width: 0%;
            transition: width 0.1s linear;
            box-shadow: 0 0 14px rgba(255, 255, 255, 0.35);
        }

        /* Time Display */
        .mobile-time-display {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            color: rgba(232, 242, 255, 0.82);
            margin-top: 16px;
            opacity: 1;
            max-height: 28px;
            transition: all 0.3s ease;
        }

        .mobile-song-info.expanded .mobile-time-display {
            opacity: 1;
            max-height: 20px;
        }

        /* Controls */
.mobile-controls {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 30px;
            margin-top: 26px;
            opacity: 1;
            max-height: 120px;
            transition: all 0.3s ease;
        }

        .mobile-song-info.expanded .mobile-controls {
            opacity: 1;
            max-height: 80px;
            margin-bottom: 0;
        }

        .mobile-control-btn {
            background: none;
            border: none;
            color: white;
            font-size: 34px;
            cursor: pointer;
            transition: transform 0.2s;
            padding: 0;
        }

        .mobile-control-btn:active {
            transform: scale(0.9);
        }

        .mobile-play-btn {
            width: 86px;
            height: 86px;
            border-radius: 50%;
            background: white;
            color: #062337;
            font-size: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
        }

        #mobile-shuffle-btn,
        #mobile-repeat-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            opacity: 0.9;
        }

        /* Scroll Indicator */
        .scroll-indicator {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 10;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
            animation: bounce 2s infinite;
            pointer-events: none;
        }

        @keyframes bounce {

            0%,
            20%,
            50%,
            80%,
            100% {
                transform: translateX(-50%) translateY(0);
            }

            40% {
                transform: translateX(-50%) translateY(-10px);
            }

            60% {
                transform: translateX(-50%) translateY(-5px);
            }
        }

        /* Mobile Progress Bar Styles (Desktop-like) */
        .mobile-progress-bar {
            width: 100%;
            height: 6px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 3px;
            margin: 25px 0 10px;
            position: relative;
            cursor: pointer;
            touch-action: none;
        }

        .mobile-progress {
            width: 0%;
            height: 100%;
            background: var(--primary-color);
            border-radius: 3px;
            position: relative;
        }

        .mobile-progress-thumb {
            width: 14px;
            height: 14px;
            background: #fff;
            border-radius: 50%;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            right: -7px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
            display: block;
            pointer-events: none;
        }

        /* Repeat One Indicator Style */
        .control-btn.repeat-one {
            position: relative;
        }

        .control-btn.repeat-one::after {
            content: "1";
            position: absolute;
            top: 6px;
            right: 2px;
            background: var(--active-color);
            color: #000;
            font-size: 8px;
            font-weight: 900;
            width: 12px;
            height: 12px;
            line-height: 12px;
            text-align: center;
            border-radius: 50%;
            pointer-events: none;
        }

        /* Playlist Section (Below) */
        .mobile-playlist-section {
            /* Fondo transparente para ver el blur global */
            background: transparent;
            padding: 20px;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            scroll-snap-align: start;
        }

        .playlist-section-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
            color: white;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }

        .mobile-playlist-container {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(25px);
            -webkit-backdrop-filter: blur(25px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.36);
            border-radius: 20px;
            overflow: hidden;
            max-height: calc(10 * 60px);
            min-height: 0;
            overscroll-behavior-y: contain;
        }

        .mobile-playlist-scroll {
            overflow-y: auto;
            max-height: calc(10 * 60px);
            -webkit-overflow-scrolling: touch;
            overscroll-behavior-y: contain;
        }

        .mobile-playlist-scroll::-webkit-scrollbar {
            width: 6px;
        }

        .mobile-playlist-scroll::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 4px;
        }

        .mobile-playlist-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
        }

        .mobile-playlist-scroll::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        .mobile-song-item {
            display: flex;
            align-items: center;
            padding: 12px 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            cursor: pointer;
            transition: all 0.3s ease;
            background: transparent;
            min-height: 60px;
        }

        .mobile-song-item:last-child {
            border-bottom: none;
        }

        .mobile-song-item:active {
            background: rgba(255, 255, 255, 0.1);
            transform: scale(0.98);
        }

        .mobile-song-item.active {
            background: rgba(255, 255, 255, 0.15);
        }

        .mobile-song-number {
            width: 30px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            font-weight: 500;
        }

        .mobile-song-item-info {
            flex: 1;
            min-width: 0;
        }

        .mobile-song-item-title {
            font-size: 16px;
            font-weight: 500;
            color: white;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ========== DESKTOP PLAYER (Original) ========== */
        .desktop-player {
            position: relative;
            isolation: isolate;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            background-color: #05070d;
            overflow: hidden;
        }

        .desktop-player::before {
            content: '';
            position: absolute;
            inset: -16%;
            z-index: -2;
            background-image: url('https://img.youtube.com/vi/-ny_PSz1UTw/maxresdefault.jpg');
            background-size: 118% 100%;
            background-repeat: no-repeat;
            background-position: center;
            filter: blur(22px) saturate(1.12);
            transform: scale(1.08);
            opacity: 0.82;
            pointer-events: none;
        }

        .desktop-player::after {
            content: '';
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(180deg, rgba(2, 4, 8, 0.72) 0%, rgba(5, 8, 14, 0.84) 48%, rgba(1, 2, 5, 0.9) 100%);
            pointer-events: none;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 20px;
            width: 100%;
        }

        .player-section {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(25px);
            -webkit-backdrop-filter: blur(25px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.36);
            border-radius: 24px;
            overflow: hidden;
            margin-bottom: 30px;
        }

        .player-header {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 20px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .artist-info {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .artist-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }

        .artist-name {
            font-size: 28px;
            font-weight: 700;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .artist-genre {
            color: var(--text-secondary);
            font-size: 16px;
            margin-top: 5px;
        }

        .player-container {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .player-content {
            display: flex;
            flex-direction: column;
            flex-grow: 1;
            padding: 20px;
        }

        @media (min-width: 768px) {
            .player-content {
                flex-direction: row;
            }
        }

        .playlist-section {
            flex: 1;
            margin-bottom: 20px;
        }

        @media (min-width: 768px) {
            .playlist-section {
                margin-bottom: 0;
                margin-right: 20px;
                max-width: 400px;
            }
        }

        .playlist-title {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--text-primary);
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .playlist {
            background: rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            overflow-y: auto;
            overflow-x: hidden;
            max-height: 500px;
        }

        .playlist::-webkit-scrollbar {
            width: 6px;
        }

        .playlist::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 4px;
        }

        .playlist::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
        }

        .playlist::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        .song-item {
            display: flex;
            align-items: center;
            padding: 12px 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .song-item:hover {
            background: rgba(255, 255, 255, 0.1);
            padding-left: 20px;
            /* Reemplaza translateX para evitar overflow */
        }

        .song-item.active {
            background: rgba(255, 255, 255, 0.15);
        }

        .song-number {
            width: 30px;
            color: var(--text-secondary);
            font-size: 14px;
        }

        .song-info {
            flex: 1;
        }

        .song-title {
            font-weight: 500;
            font-size: 16px;
        }

        .song-duration {
            color: var(--text-secondary);
            font-size: 14px;
            margin-left: 15px;
        }

        .player-controls-section {
            flex: 2;
        }

        .now-playing {
            position: relative;
            background: linear-gradient(160deg, rgba(24, 36, 58, 0.88), rgba(8, 14, 24, 0.92));
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 20px;
            overflow: hidden;
            --desktop-cover: none;
        }

        .now-playing::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: var(--desktop-cover);
            background-size: cover;
            background-position: center;
            filter: blur(30px) saturate(1.5);
            opacity: 0.5;
            z-index: 0;
            transition: background-image 0.5s ease;
        }

        .now-playing>* {
            position: relative;
            z-index: 1;
        }

        .now-playing-title {
            font-size: 18px;
            margin-bottom: 15px;
            color: var(--primary-color);
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .album-art-wrapper {
            width: 100%;
            max-width: 300px;
            aspect-ratio: 1/1;
            margin: 0 auto 20px;
            border-radius: 16px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.1);
            overflow: hidden;
            position: relative;
            background-color: #1b2740;
            background:
                radial-gradient(120% 120% at 12% 12%, rgba(225, 236, 255, 0.4), rgba(225, 236, 255, 0.08) 55%),
                linear-gradient(140deg, rgba(98, 134, 194, 0.74), rgba(24, 38, 66, 0.95));
            /* Importante para el zoom */
        }

        .album-art {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .album-art.artwork-managed {
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.28s ease;
        }

        .album-art.artwork-managed.is-ready {
            opacity: 1;
            visibility: visible;
        }

        .album-art-wrapper::before,
        .mobile-album-art-wrapper::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg,
                    rgba(255, 255, 255, 0) 8%,
                    rgba(255, 255, 255, 0.16) 32%,
                    rgba(255, 255, 255, 0) 56%);
            transform: translateX(-120%);
            opacity: 0;
            pointer-events: none;
        }

        .album-art-wrapper.artwork-loading::before,
        .mobile-album-art-wrapper.artwork-loading::before {
            opacity: 0.95;
            animation: artworkShimmer 1.15s linear infinite;
        }

        .album-art-wrapper.artwork-loading,
        .mobile-album-art-wrapper.artwork-loading {
            background:
                radial-gradient(120% 120% at 12% 12%, rgba(245, 249, 255, 0.52), rgba(245, 249, 255, 0.12) 54%),
                linear-gradient(140deg, #6b8cc7 0%, #2f446a 52%, #223250 100%) !important;
            background-color: #35537f !important;
        }

        @keyframes artworkShimmer {
            to {
                transform: translateX(120%);
            }
        }

        .song-details {
            text-align: center;
        }

        .current-song-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 5px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .current-song-album {
            color: var(--text-secondary);
            font-size: 16px;
        }

        .player-controls {
            background: rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .progress-section {
            width: 100%;
            margin-bottom: 20px;
        }

        .progress-bar {
            width: 100%;
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
            margin-bottom: 5px;
            overflow: visible;
            cursor: pointer;
            position: relative;
        }

        .progress-bar::before {
            content: '';
            position: absolute;
            left: 0;
            top: -8px;
            width: 100%;
            height: 20px;
            z-index: 1;
            background: transparent;
        }

        .progress {
            height: 100%;
            background: rgba(255, 255, 255, 0.6);
            width: 0%;
            border-radius: 3px;
            transition: background 0.2s;
            position: relative;
        }

        .progress-bar:hover .progress {
            background: linear-gradient(90deg, var(--primary-color), #a855f7);
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
        }

        .progress-thumb {
            display: none;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: white;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            pointer-events: none;
            z-index: 2;
        }

        .progress-bar:hover .progress-thumb {
            display: block;
        }

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

        .controls {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin-bottom: 15px;
        }

        .control-btn {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            font-size: 18px;
            cursor: pointer;
            transition: all 0.3s ease;
            padding: 10px;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .control-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: scale(1.1);
        }

        .control-btn:active {
            transform: scale(0.95);
        }

        .control-btn:disabled {
            opacity: 0.3;
            cursor: not-allowed;
        }

        .control-btn:disabled:hover {
            transform: none;
        }

        .play-btn {
            background: #ffffff !important;
            width: 60px !important;
            height: 60px !important;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
        }

        .play-btn i {
            color: #000 !important;
        }

        .play-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
        }

        .volume-section {
            display: flex;
            align-items: center;
            gap: 10px;
            width: 100%;
            max-width: 200px;
            position: relative;
        }

        .volume-icon {
            color: var(--text-secondary);
        }

        .volume-bar {
            flex: 1;
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
            position: relative;
            cursor: pointer;
            margin-left: 5px;
            margin-right: 5px;
        }

        .volume-bar::before {
            content: '';
            position: absolute;
            left: 0;
            top: -8px;
            width: 100%;
            height: 20px;
            z-index: 1;
            background: transparent;
        }

        .volume-bar:hover .volume-progress {
            background: linear-gradient(90deg, var(--primary-color), #a855f7);
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
        }

        .volume-progress {
            height: 100%;
            background: rgba(255, 255, 255, 0.6);
            border-radius: 3px;
            width: 70%;
            transition: background 0.2s;
            position: relative;
        }

        .volume-thumb {
            display: none;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: white;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
            pointer-events: none;
            z-index: 2;
        }

        .volume-bar:hover .volume-thumb {
            display: block;
        }

        .player-footer {
            background: rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            padding: 15px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            color: var(--text-secondary);
            text-align: center;
        }

        .footer-text {
            text-align: center;
            color: var(--text-secondary);
            padding: 20px;
            font-size: 14px;
        }

        .music-site-footer {
            display: none;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.72);
            padding: 8px 14px 18px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: rgba(3, 5, 10, 0.8);
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .mobile-music-footer {
            display: none;
            margin: 18px 0 10px;
            margin-top: auto;
            padding-bottom: calc(6px + env(safe-area-inset-bottom));
            text-align: center;
            color: rgba(255, 255, 255, 0.72);
            font-size: 12px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .back-btn {
            position: fixed;
            left: 16px;
            top: calc(12px + env(safe-area-inset-top));
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.28);
            background: rgba(10, 16, 27, 0.78);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.34);
            cursor: pointer;
            transition: transform 0.2s ease, background 0.2s ease;
            z-index: 1000;
        }

        .back-btn:hover {
            background: rgba(24, 33, 52, 0.92);
        }

        .back-btn:active {
            transform: scale(0.96);
        }

        .scroll-top-btn {
            position: fixed;
            right: 16px;
            bottom: 18px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.28);
            background: rgba(10, 16, 27, 0.78);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.34);
            cursor: pointer;
            opacity: 0;
            transform: translateY(10px);
            pointer-events: none;
            transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
            z-index: 999;
        }

        .scroll-top-btn:hover {
            background: rgba(24, 33, 52, 0.92);
        }

        .scroll-top-btn.is-visible {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .youtube-audio {
            /* display: none; NO USAR display:none porque bloquea la reproducción en iOS/Android */
            position: absolute;
            top: -9999px;
            left: -9999px;
            width: 1px;
            height: 1px;
            opacity: 0;
            pointer-events: none;
            visibility: hidden;
        }

        h1 {
            text-align: center;
            margin-bottom: 10px;
            color: #dfe8f5;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            text-shadow: 0 0 24px rgba(173, 195, 225, 0.22), 0 3px 16px rgba(0, 0, 0, 0.45);
            font-size: 2.5rem;
            font-weight: 800;
            position: relative;
            animation: titleFloat 6s ease-in-out infinite;
        }

        h1::after {
            content: '';
            display: block;
            width: 160px;
            height: 2px;
            margin: 10px auto 0;
            background: linear-gradient(90deg, rgba(230, 238, 249, 0), rgba(230, 238, 249, 0.65), rgba(230, 238, 249, 0));
            opacity: 0.7;
        }

        .artist-tagline {
            text-align: center;
            color: rgba(204, 217, 236, 0.82);
            margin-bottom: 30px;
            letter-spacing: 0.24em;
            text-transform: uppercase;
            font-size: 0.78rem;
            animation: taglinePulse 5s ease-in-out infinite;
        }

        @keyframes titleFloat {
            0% {
                transform: translateY(0);
            }

            50% {
                transform: translateY(-3px);
            }

            100% {
                transform: translateY(0);
            }
        }

        @keyframes taglinePulse {
            0% {
                opacity: 0.65;
                transform: translateY(0);
            }

            50% {
                opacity: 1;
                transform: translateY(-1px);
            }

            100% {
                opacity: 0.65;
                transform: translateY(0);
            }
        }

        @keyframes slideLeftOut {
            to {
                transform: translate3d(-100%, 0, 0);
                opacity: 0;
            }
        }

        @keyframes slideLeftIn {
            from {
                transform: translate3d(100%, 0, 0);
                opacity: 0;
            }

            to {
                transform: translate3d(0, 0, 0);
                opacity: 1;
            }
        }

        @keyframes slideRightOut {
            to {
                transform: translate3d(100%, 0, 0);
                opacity: 0;
            }
        }

        @keyframes slideRightIn {
            from {
                transform: translate3d(-100%, 0, 0);
                opacity: 0;
            }

            to {
                transform: translate3d(0, 0, 0);
                opacity: 1;
            }
        }

        .slide-left-out {
            animation: slideLeftOut 0.3s forwards;
        }

        .slide-left-in {
            animation: slideLeftIn 0.3s forwards;
        }

        .slide-right-out {
            animation: slideRightOut 0.3s forwards;
        }

        .slide-right-in {
            animation: slideRightIn 0.3s forwards;
        }