/* Importación de fuente y reseteo básico */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #00d1b2; 
    --border-color: #00d1b2;  
    --background-color: #1e1e2f;
    --card-color: #27293d;
    --text-primary: #ffffff;
    --text-secondary: #a9a9a9;
    --hover-color: #3a3d52;
    --success-color: #ffdd57; /* Amarillo para confirmación */
}

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

/* --- ESTILOS BASE (ESCRITORIO) --- */
body { font-family: 'Poppins', sans-serif; background-color: var(--background-color); color: var(--text-primary); padding: 15px; overflow: hidden; }
#app-container { display: flex; flex-direction: column; height: calc(100vh - 30px); max-width: 1600px; margin: 0 auto; gap: 15px; }
.app-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; flex-shrink: 0; }
.categories .category-btn { background-color: var(--card-color); border: 1px solid transparent; color: var(--text-secondary); padding: 8px 18px; border-radius: 20px; cursor: pointer; font-size: 0.95rem; transition: all 0.2s ease; }
.categories .category-btn:hover { background-color: var(--hover-color); color: var(--text-primary); }
.categories .category-btn.active { background-color: var(--primary-color); border-color: var(--border-color); color: var(--text-primary); font-weight: 600; }
.categories .category-btn:active { transform: scale(0.97); }

.search-container input { background-color: var(--card-color); border: 1px solid var(--border-color); color: var(--text-primary); padding: 8px 15px; border-radius: 20px; width: 280px; font-size: 0.95rem; }
.album-browser-wrapper { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* --- ESTILOS GLOBALES DE SCROLLBAR --- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--card-color); border-radius: 4px; }
::-webkit-scrollbar-thumb { background-color: var(--primary-color); border-radius: 4px; }

/* --- ESTILOS PARA EL CARRUSEL DE ÁLBUMES (LÓGICA SIMPLE) --- */
.album-browser {
    display: flex; 
    overflow-x: auto; 
    padding-bottom: 15px; 
    flex-grow: 1; 
    gap: 20px; /* Espacio entre álbumes */
    scrollbar-width: thin; 
    scrollbar-color: var(--primary-color) var(--card-color);
    scroll-behavior: smooth; /* Scroll suave */
    min-height: 185px; 
}

.album-card {
    text-align: center; 
    cursor: pointer; 
    transition: transform 0.2s ease; 
    width: 140px; /* Ancho fijo */
    flex-shrink: 0; /* Evitar que los elementos se encojan */
}
/* --- FIN ESTILOS VIRTUALIZACIÓN --- */

.album-card:hover { transform: scale(1.05); }
.album-card:active { transform: scale(1); }
.album-card img { 
    width: 140px; 
    height: 140px; 
    object-fit: cover; 
    border-radius: 10px; 
    border: 3px solid transparent; 
    transition: opacity 0.4s ease-in-out; /* Transición suave */
    opacity: 0.7; /* Opacidad inicial para el placeholder */
}
.album-card img.lazy-loaded { 
    opacity: 1; /* Opacidad final para la imagen cargada */
}
.album-card.selected img { border-color: var(--border-color); border-width: 4px; }
.album-card p { margin-top: 8px; font-size: 0.9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-btn { background-color: var(--card-color); border: 1px solid var(--border-color); color: var(--text-primary); border-radius: 50%; width: 40px; height: 40px; cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease;}
.nav-btn:hover { background-color: var(--hover-color); }
.nav-btn:active { transform: scale(0.9); }

.content-area { display: grid; grid-template-columns: 2fr 1fr; gap: 15px; flex-grow: 1; min-height: 0; }
.left-column { display: flex; flex-direction: column; gap: 15px; min-height: 0; }

.tracklist-container { background-color: var(--card-color); border-radius: 15px; padding: 20px; display: flex; flex-direction: column; min-height: 0; flex: 8; }
.playlist-container { background-color: var(--card-color); border-radius: 15px; padding: 20px; display: flex; flex-direction: column; min-height: 0; flex: 3; }
.tracklist-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; flex-shrink: 0; }
#add-all-btn { background-color: var(--primary-color); color: var(--text-primary); border: none; padding: 8px 15px; border-radius: 20px; cursor: pointer; transition: all 0.2s ease; }
#add-all-btn:active { transform: scale(0.97); }
#add-all-btn.success { background-color: var(--success-color); color: var(--background-color); font-weight: bold; }

.track-list, .playlist { flex-grow: 1; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--primary-color) var(--background-color); }
.track-list::-webkit-scrollbar, .playlist::-webkit-scrollbar { width: 8px; }
.track-list::-webkit-scrollbar-track, .playlist::-webkit-scrollbar-track { background: var(--background-color); border-radius: 4px; }
.track-list::-webkit-scrollbar-thumb, .playlist::-webkit-scrollbar-thumb { background-color: var(--primary-color); border-radius: 4px; }
.track-item { display: flex; align-items: center; padding: 10px; border-radius: 8px; transition: background-color 0.2s ease; }
.track-item:hover { background-color: var(--hover-color); }
.track-item.playing { background-color: var(--primary-color); color: var(--text-primary);}
.track-item.search-highlight { background-color: var(--hover-color); box-shadow: inset 4px 0 0 0 var(--primary-color); }
.track-number { font-weight: 600; color: var(--text-secondary); margin-right: 15px; width: 25px; }
.track-item.playing .track-number { color: var(--text-primary); }
.track-title { flex-grow: 1; }

.track-actions button { background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; margin-left: 15px; transition: all 0.2s ease; }
.track-actions button:hover { transform: scale(1.1); }
.track-actions button:active { transform: scale(1); }
.track-actions .play-now-btn { color: #20d489; }
.track-actions .add-to-playlist-btn { color: #00d1b2; }
.track-actions .add-to-playlist-btn.success .fa-check { color: var(--success-color); transform: scale(1.2); }
.track-actions .play-now-btn.success { color: var(--success-color); }

.player-container { background-color: var(--card-color); border-radius: 15px; padding: 20px; text-align: center; }
#player-cover { width: 100%; max-width: 250px; height: auto; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 10px; margin: 0 auto 15px auto; display: block; }
#video-player { display: none; background-color: #000; object-fit: contain; width: 100%; }
#player-info { margin-bottom: 15px; }
#player-track-title { font-size: 1.1rem; font-weight: 600; }
#player-album-title { font-size: 0.9rem; color: var(--text-secondary); }
.progress-container { display: flex; align-items: center; gap: 10px; width: 100%; margin-bottom: 10px; }
.progress-bar { -webkit-appearance: none; width: 100%; height: 5px; background: var(--hover-color); outline: none; border-radius: 3px; cursor: pointer; }
.progress-bar::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 15px; height: 15px; background: var(--primary-color); cursor: pointer; border-radius: 50%; }
.player-controls { display: flex; justify-content: center; align-items: center; }
.player-controls button { background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; margin: 0 15px; transition: all 0.2s ease; }
.player-controls button:hover { color: var(--primary-color); }
.player-controls button:active { transform: scale(0.95); }
#play-pause-btn { font-size: 2.2rem; }
#fullscreen-btn { font-size: 1.4rem; }

.playlist-container h4 { margin-bottom: 10px; flex-shrink: 0; }
.playlist-item { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: 5px; transition: background-color 0.2s ease; cursor: pointer;}
.playlist-item:hover { background-color: var(--hover-color); }
.playlist-item.playing { background-color: var(--primary-color); }
.playlist-item img { width: 40px; height: 40px; object-fit: cover; border-radius: 5px; }
.playlist-item-info { flex-grow: 1; min-width: 0; }
.playlist-item-title { font-size: 0.9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}
.playlist-item-album { font-size: 0.8rem; color: var(--text-secondary); }
.playlist-item.playing .playlist-item-album { color: #eee; }
.remove-from-playlist-btn { background-color: #ff3860; color: white; border: none; border-radius: 50%; width: 24px; height: 24px; cursor: pointer; font-weight: bold; flex-shrink: 0; transition: transform 0.2s ease; }
.remove-from-playlist-btn:hover { transform: scale(1.1); }
.remove-from-playlist-btn:active { transform: scale(1); }

.video-popup { display: none; }

#preloader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--background-color); z-index: 9999; display: flex; justify-content: center; align-items: center; transition: opacity 0.75s ease, visibility 0.75s ease; }
#preloader.hidden { opacity: 0; visibility: hidden; }
.loader-content { text-align: center; color: var(--text-primary); }
.loader-content h1 { font-size: 2rem; margin-bottom: 20px; color: var(--primary-color); }
.progress-bar-container { width: 300px; height: 10px; background-color: var(--hover-color); border-radius: 5px; overflow: hidden; margin: 0 auto; }
#progress-bar-fill { width: 0%; height: 100%; background-color: var(--primary-color); border-radius: 5px; transition: width 0.1s linear; }
#progress-percentage { display: block; margin-top: 15px; font-size: 1.2rem; font-weight: 600; }

@media (max-width: 1024px) {
    body { overflow-y: auto; }
    #app-container { height: auto; min-height: 100vh; }
    .content-area, .left-column { display: flex; flex-direction: column; grid-template-columns: none; }
    .track-list, .playlist { overflow-y: visible; height: auto; }
    .tracklist-container, .playlist-container { flex: none; }
}

@media (max-width: 767px) {
    body { padding: 10px; }
    #app-container { gap: 10px; }
    .app-header { flex-direction: column; align-items: stretch; }
    .search-container input { width: 100%; }
    .album-card { flex: 0 0 120px; }
    .album-card img { width: 120px; height: 120px; }
    .content-area { gap: 10px; }

    /* ===== INICIA CAMBIO REPRODUCTOR MÓVIL ===== */
    .player-container {
        padding: 15px;
        display: flex; /* Cambiamos a flexbox */
        flex-direction: column; /* Apilamos verticalmente */
        align-items: center; /* Centramos horizontalmente */
        gap: 15px; /* Espacio entre elementos */
        text-align: center;
    }
    #player-cover, #video-player {
        width: 100%; /* Ocupa el ancho disponible */
        max-width: 280px; /* Pero no más de 280px */
        height: auto;
        border-radius: 10px;
        margin: 0;
    }
    #video-player {
        aspect-ratio: 16 / 9; /* Mantiene la proporción para videos */
    }
    #player-info {
        width: 100%;
        margin: 0;
    }
    .progress-container {
        width: 100%;
        margin-top: 0;
    }
    .player-controls {
        width: 100%;
        display: flex;
        justify-content: space-evenly; /* Distribuimos los botones */
        margin: 0;
    }
    /* ===== TERMINA CAMBIO REPRODUCTOR MÓVIL ===== */

    .track-actions button { font-size: 1.6rem; padding: 5px; margin-left: 18px; }
}

/* --- ESTILOS PARA MODO CINE (FULLSCREEN FALSO) --- */
body.cinema-mode-active {
    overflow: hidden; /* Evitar scroll en el fondo */
}

/* Ocultar todo menos el área de contenido cuando estamos en modo cine */
body.cinema-mode-active .app-header,
body.cinema-mode-active .album-browser-wrapper,
body.cinema-mode-active .left-column {
    display: none;
}

/* Forzar al área de contenido a ocupar todo el espacio */
body.cinema-mode-active .content-area {
    display: block; /* Romper el grid */
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
}

/* Forzar al contenedor del reproductor a ocupar todo el espacio */
body.cinema-mode-active .player-container {
    position: fixed; /* Posición fija para flotar sobre todo */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    border-radius: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent 30%); /* Gradiente para legibilidad de los controles */
    display: flex;
    flex-direction: column;
    justify-content: flex-end; /* Alinea los controles en la parte inferior */
    padding: 20px;
}

/* Ocultar información del track en modo cine para más limpieza */
body.cinema-mode-active #player-info {
    display: none;
}

/* Estilos para los controles flotantes */
body.cinema-mode-active .progress-container,
body.cinema-mode-active .player-controls {
    position: relative;
    z-index: 10000; /* Asegurar que estén por encima del gradiente */
    opacity: 1;
    visibility: visible;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

/* Clase para ocultar los controles */
body.cinema-mode-active .player-container.controls-hidden .progress-container,
body.cinema-mode-active .player-container.controls-hidden .player-controls {
    opacity: 0;
    visibility: hidden;
}

/* Expandir el vídeo para que ocupe todo el contenedor */
body.cinema-mode-active #video-player {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw; /* Ocupar el 100% del ancho de la ventana */
    height: 100vh; /* Ocupar el 100% del alto de la ventana */
    z-index: 9998; /* Justo debajo de los controles si fuera necesario */
    border-radius: 0;
}

/* Asegurarse de que los controles del reproductor estén por encima del vídeo */
body.cinema-mode-active .player-container {
    z-index: 9999;
}

/* --- ESTILO PARA RESALTAR BÚSQUEDA --- */
.track-title .highlight {
    background-color: #555;
    color: #fff;
    padding: 2px 4px;
    border-radius: 3px;
}

/* --- ESTILOS PARA EL BANNER DE INSTALACIÓN DE IOS --- */
.install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--card-color);
    border-top: 1px solid var(--border-color);
    padding: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.3);
}

.install-banner p {
    margin: 0;
    font-size: 0.9rem;
}

.install-banner .share-icon {
    display: inline-block;
    width: 18px;
    height: 18px;
    vertical-align: middle;
    margin: 0 4px;
}

.close-banner-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    padding: 5px;
}

/* --- Estilos para Superposición de Conversión --- */
#conversion-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
}

#conversion-overlay.hidden {
    display: none;
}

#conversion-overlay .spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 4px solid #fff;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

#conversion-overlay p {
    font-size: 1.2em;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}