/* ============================================
   1. VARIABLES & RESET BÁSICO
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-fondo: #0f0f1a;
    --color-superficie: #1a1a2e;
    --color-texto: #e0e0e0;
    --color-texto-suave: #a0a0b0;
    --color-primario: #6c5ce7;
    --color-primario-hover: #5b4cdb;
    --color-secundario: #00cec9;
    --color-secundario: #03af78;
    --color-borde: #2d2d44;
    --color-borde-reproductor: #03af78;
    --color-cancion-hover: rgba(255, 255, 255, 0.12);
    --radio: 12px;
    --sombra: 0 4px 20px rgba(0, 0, 0, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
    padding-bottom: 100px;
}

a {
    color: var(--color-secundario);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   2. UTILIDADES & ICONOS
   ============================================ */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primario);
    color: white;
    padding: 8px 16px;
    z-index: 100;
    transition: top 0.3s;
}
.skip-link:focus {
    top: 0;
}

.material-symbols-rounded {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    font-size: 1.3rem;
    line-height: 1;
}

/* ============================================
   3. HEADER & NAVEGACIÓN
   ============================================ */
.site-header {
    background: var(--color-superficie);
    border-bottom: 1px solid var(--color-borde);
    border-bottom: 2px solid var(--color-secundario);
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-nav .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primario);
    text-decoration: none;
}

.site-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.site-nav a {
    color: var(--color-texto-suave);
    font-weight: 500;
    transition: color 0.2s;
}
.site-nav a:hover {
    color: var(--color-texto);
    text-decoration: none;
}

.site-nav a.activo {
    color: var(--color-secundario);
    background: rgba(0, 206, 201, 0.1);
    border: 1px solid rgba(0, 206, 201, 0.25);
    border-radius: 10px;
    padding: 0.4rem 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.site-nav a.activo:hover {
    background: rgba(0, 206, 201, 0.18);
    border-color: rgba(0, 206, 201, 0.4);
}

/* ============================================
   4. ESTRUCTURA PRINCIPAL (MAIN & HERO)
   ============================================ */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}
.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.tagline {
    color: var(--color-secundario);
    font-size: 1.1rem;
    font-style: italic;
}

.hero {
    text-align: center;
    padding: 2.5rem 1rem;
}
.hero h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--color-primario), var(--color-secundario));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero .intro {
    color: var(--color-texto-suave);
    font-size: 1.2rem;
    margin: 1.5rem 0 2rem;
}
.hero-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radio);
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra);
    text-decoration: none;
}
.btn-primary {
    background: var(--color-primario);
    color: white;
}
.btn-primary:hover {
    background: var(--color-primario-hover);
}
.btn-secondary {
    background: var(--color-superficie);
    color: var(--color-texto);
    border: 1px solid var(--color-borde);
}
#icono-musica, #icono-portafolio {
    color: var(--color-texto-suave);
    font-size: 32px; 
    vertical-align: middle; 
}

/* ============================================
   5. FILTROS Y BÚSQUEDA
   ============================================ */
.buscador-section,
.filtros-busqueda {
    margin-bottom: 1rem;
}

#buscar {
    width: 100%;
    /*max-width: 500px;*/
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border-radius: var(--radio);
    border: 1px solid var(--color-borde);
    background: var(--color-superficie);
    color: var(--color-texto);
}
#buscar:focus {
    outline: 2px solid var(--color-primario);
    border-color: var(--color-primario);
}

.filtros {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--color-superficie);
    border-radius: var(--radio);
    border: 1px solid var(--color-borde);
}

.filtros-form,
.filtros-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem; 
    margin-top: 0.5rem;
    width: 100%;
}

.filtro-input, 
.filtro-select {
    flex: 1;
    min-width: 130px;
}

.filtro-input {
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    border-radius: 8px;
    border: 1px solid var(--color-borde);
    background: var(--color-superficie);
    color: var(--color-texto);
}

/* Para selectores nativos (fallback si Choices.js no carga) */
select.filtro-select {
    padding: 0.6rem 1rem;
    appearance: none;
    background: var(--color-superficie) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='%23a0a0b0'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E") no-repeat right 0.5rem center / 1.2rem;
    padding-right: 2rem;
    border: 1px solid var(--color-borde);
    cursor: pointer;
    border-radius: 8px;
    font-size: 0.95rem;
}

.filtro-input:focus, 
.filtro-select:focus {
    outline: 2px solid var(--color-primario);
}

.buscador-box {
    position: relative;
    display: flex;
    align-items: center;
}
.buscador-icon {
    position: absolute;
    left: 1rem;
    color: var(--color-texto-suave);
    pointer-events: none;
}
.buscador-box input {
    width: 100%;
    padding: 0.7rem 3rem 0.7rem 2.8rem;
    font-size: 0.95rem;
    border-radius: 12px;
    border: 1px solid var(--color-borde);
    background: rgba(15, 15, 26, 0.6);
    color: var(--color-texto);
}
.buscador-box input:focus {
    outline: 2px solid var(--color-primario);
    border-color: var(--color-primario);
}
.btn-buscar {
    position: absolute;
    right: 0.5rem;
    background: none;
    border: none;
    color: var(--color-texto-suave);
    cursor: pointer;
    padding: 0.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-buscar:hover {
    color: var(--color-primario);
}

/* ============================================
   6. LISTA DE CANCIONES Y TARJETAS
   ============================================ */
.lista-canciones {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-content: flex-start;
}

.cancion {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--color-superficie);
    padding: 0.7rem 1rem;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}
.cancion:hover {
    background: var(--color-cancion-hover);
    border-color: var(--color-borde);
}
.cancion:focus-visible {
    outline: 2px solid var(--color-primario);
    outline-offset: -2px;
}

.cancion img,
.cancion-thumb {
    border-radius: 8px;
    flex-shrink: 0;
    opacity: 0.9;
    transition: opacity 0.2s;
}
.cancion:hover .cancion-thumb {
    opacity: 1;
}

.cancion-info {
    flex: 1;
    min-width: 0;
}
.cancion-info h2,
.cancion-titulo {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.15rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s;
}
.cancion-info p,
.cancion-meta {
    font-size: 0.8rem;
    color: var(--color-texto-suave);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cancion-meta .feat,
.feat {
    color: var(--color-secundario);
    font-size: 0.85rem;
    opacity: 0.8;
}
.cancion-meta .sep {
    margin: 0 0.3rem;
    opacity: 0.4;
}

.cancion-extras,
.cancion-acciones {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.duracion,
.cancion-duracion {
    font-size: 0.8rem;
    color: var(--color-texto-suave);
    font-variant-numeric: tabular-nums;
    margin-left: 0.5rem;
}

.cancion-duracion-titulo {
    display: none;
}

.cancion-meta-movil {
    display: none;
}

.btn-play {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primario);
    color: white;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s;
}
.btn-play:hover {
    background: var(--color-primario-hover);
}

.cancion-play-icon {
    font-size: 1.5rem;
    color: var(--color-texto);
    opacity: 0;
    transition: all 0.2s;
    flex-shrink: 0;
}
.cancion:hover .cancion-play-icon {
    opacity: 0.6;
}

.btn-letra {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    color: var(--color-texto-suave);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
}
.btn-letra:hover {
    border-color: var(--color-secundario);
    color: var(--color-secundario);
}

.btn-letra-icon {
    color: var(--color-texto-suave);
    opacity: 0;
    transition: all 0.2s;
    padding: 0.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 6px;
    margin-left: 0.5rem;
}
.cancion:hover .btn-letra-icon {
    opacity: 0.5;
}
.btn-letra-icon:hover {
    opacity: 1 !important;
    color: var(--color-secundario);
    background: rgba(0, 206, 201, 0.08);
}

.vacio {
    text-align: center;
    padding: 3rem;
    color: var(--color-texto-suave);
    font-style: italic;
}

/* Estado activo / sonando */
.cancion.activa {
    background: rgba(108, 92, 231, 0.08);
    border-left: 3px solid var(--color-primario);
}
.cancion.activa .cancion-titulo {
    color: var(--color-secundario);
}
.cancion.activa .cancion-play-icon {
    opacity: 1;
    color: var(--color-secundario);
}

.cancion.activa.reproduciendo {
    background: rgba(0, 206, 201, 0.06);
    border-left-color: var(--color-secundario);
}
.cancion.activa.reproduciendo .btn-play {
    background: var(--color-secundario);
    box-shadow: 0 0 15px rgba(0, 206, 201, 0.35);
}

.cancion.sonando::before,
.cancion.activa.reproduciendo::before {
    content: '♪';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-secundario);
    font-size: 1rem;
    animation: pulseNota 1.2s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulseNota {
    0%, 100% { opacity: 0.3; transform: translateY(-50%) scale(0.9); }
    50% { opacity: 1; transform: translateY(-50%) scale(1.25); }
}

/* Meta datos adicionales */
.stats {
    color: var(--color-texto-suave);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}
.meta {
    display: flex;
    gap: 1rem;
    margin-top: 0.4rem;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--color-texto-suave);
}
.meta .duracion { color: var(--color-secundario); }
.meta .generos { font-style: italic; }
.meta .plays { opacity: 0.7; }

/* ============================================
   7. GRID INICIO / MINI CARDS
   ============================================ */
.top-canciones {
    margin-top: 2.5rem;
}
.top-canciones h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.grid-canciones {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.cancion-mini {
    background: var(--color-superficie);
    border-radius: var(--radio);
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--color-borde);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}
.cancion-mini:hover {
    transform: translateY(-4px);
}
.cancion-mini img {
    border-radius: 8px;
    margin: 0 auto 0.75rem;
}
.cancion-mini h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cancion-mini p {
    font-size: 0.85rem;
    color: var(--color-texto-suave);
    margin-bottom: 0.75rem;
}

.cancion-mini.activa {
    box-shadow: 0 0 0 2px var(--color-primario), 0 4px 20px rgba(108, 92, 231, 0.2);
    background: rgba(108, 92, 231, 0.08);
}
.cancion-mini.activa.reproduciendo {
    box-shadow: 0 0 0 2px var(--color-secundario), 0 4px 25px rgba(0, 206, 201, 0.25);
    background: rgba(0, 206, 201, 0.06);
}

/* ============================================
   8. LAYOUT PÁGINA MÚSICA & SIDEBAR (ACTUALIZADO)
   ============================================ */

/* Evita el scroll general de la página en la sección de música y ajusta al espacio visible */
body.main-musica, 
body:has(.page-musica) {
    overflow: hidden;
    height: 100vh;
}

.main-musica {
    max-width: 100% !important;
    padding: 0 !important;
    height: calc(100vh - 73px); /* Resta la altura aproximada de tu header superior */
    height: calc(100vh - 143px);
    overflow: hidden;
}

.page-musica {
    height: 100%;
    padding: 1rem 2rem 1.5rem 2rem;
    overflow: hidden;
}

.musica-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 2rem;
    height: 100%;
    align-items: stretch;
    overflow: hidden;
}

.musica-sidebar {
    position: relative;
    top: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.sidebar-card {
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    border: 1px solid var(--color-borde);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--sombra);
    /*height: 100%;*/
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.sidebar-portada-wrap {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    aspect-ratio: 1;
    /*max-height: 240px;*/
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.sidebar-portada-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.sidebar-titulo {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-artista {
    font-size: 0.95rem;
    color: var(--color-secundario);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-album {
    font-size: 0.85rem;
    color: var(--color-texto-suave);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.musica-main {
    height: 100%;
    min-width: 0;
    overflow: hidden;
}

.musica-main-inner {
    background: rgba(26, 26, 46, 0.75);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--color-borde);
    padding: 1.5rem 2rem;
    box-shadow: var(--sombra);
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.musica-top {
    flex-shrink: 0;
}

.filtros-busqueda {
    flex-shrink: 0;
    margin-bottom: 1rem;
}

/* Contenedor exclusivo con scroll para la lista de canciones */
.lista-canciones-scroll-wrap {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding-right: 4px;
    margin-top: 0.5rem;
    scrollbar-width: thin; /* Soporte para Firefox */
    scrollbar-color: rgba(255, 255, 255, 0.2) rgba(0, 0, 0, 0.1);
}

/* Estilización elegante de la barra de desplazamiento interna (Webkit) */
.lista-canciones-scroll-wrap::-webkit-scrollbar {
    width: 6px;
}
.lista-canciones-scroll-wrap::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}
.lista-canciones-scroll-wrap::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    transition: background 0.3s ease;
}
.lista-canciones-scroll-wrap::-webkit-scrollbar-thumb:hover {
    background: var(--color-secundario);
}

/* ============================================
   9. PROYECTOS (PORTAFOLIO)
   ============================================ */
.lista-proyectos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.proyecto {
    background: var(--color-superficie);
    border-radius: var(--radio);
    border: 1px solid var(--color-borde);
    overflow: hidden;
    transition: transform 0.2s;
}
.proyecto:hover {
    transform: translateY(-4px);
}
.proyecto img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.proyecto-info {
    padding: 1.5rem;
}
.proyecto-info h2 {
    margin-bottom: 0.5rem;
}
.proyecto .tech {
    font-size: 0.85rem;
    color: var(--color-secundario);
    margin: 0.5rem 0;
}
.proyecto-links {
    margin-top: 1rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.proyecto.destacado {
    border-color: var(--color-primario);
    box-shadow: 0 0 20px rgba(108, 92, 231, 0.15);
}

/* ============================================
   10. PÁGINA DE LETRA
   ============================================ */
.letra-page {
    max-width: 800px;
    margin: 0 auto;
}

.letra-header {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    align-items: center;
}

.letra-portada {
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    flex-shrink: 0;
}

.letra-info h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}
.letra-artista {
    font-size: 1.2rem;
    color: var(--color-primario);
    margin-bottom: 0.25rem;
}
.letra-album {
    color: var(--color-texto-suave);
    margin-bottom: 1rem;
}
.letra-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--color-texto-suave);
}

.letra-contenido {
    background: var(--color-superficie);
    padding: 2rem;
    border-radius: var(--radio);
    border: 1px solid var(--color-borde);
    margin-bottom: 2rem;
}
.letra-contenido h2 {
    margin-bottom: 1.5rem;
    color: var(--color-secundario);
}
.letra-texto {
    line-height: 2;
    font-size: 1.1rem;
    white-space: pre-line;
}

.artista-bio {
    background: var(--color-superficie);
    padding: 1.5rem;
    border-radius: var(--radio);
    border-left: 4px solid var(--color-primario);
}
.artista-bio h2 {
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

/* ============================================
   11. PANEL LATERAL DESPLEGABLE DE LETRA
   ============================================ */
.panel-letra {
    position: fixed;
    top: 70px;
    right: 0;
    bottom: 80px;
    width: 400px;
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--color-borde);
    border-radius: 16px 0 0 16px;
    z-index: 90;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.panel-letra.abierto {
    transform: translateX(0);
}

.panel-letra-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 85;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.panel-letra-overlay.abierto {
    opacity: 1;
    pointer-events: auto;
}

.panel-letra-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-borde);
    flex-shrink: 0;
}
.panel-letra-header h3 {
    font-size: 1.15rem;
    margin-bottom: 0.2rem;
}
.panel-letra-sub {
    font-size: 0.82rem;
    color: var(--color-texto-suave);
}

.btn-cerrar-letra {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--color-borde);
    color: var(--color-texto);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}
.btn-cerrar-letra:hover {
    background: var(--color-primario);
    color: white;
}

.panel-letra-contenido {
    flex: 1;
    overflow-y: auto;
    padding: 2rem 1.5rem;
    line-height: 2.2;
    font-size: 1.05rem;
    white-space: pre-line;
    color: var(--color-texto);
}
.panel-letra-vacio {
    color: var(--color-texto-suave);
    font-style: italic;
    text-align: center;
    margin-top: 3rem;
    line-height: 1.6;
}

.panel-letra-contenido::-webkit-scrollbar {
    width: 6px;
}
.panel-letra-contenido::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}
.panel-letra-contenido::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}
.panel-letra-contenido::-webkit-scrollbar-thumb:hover {
    background: var(--color-secundario);
}

/* ============================================
   12. REPRODUCTOR FIJO DE AUDIO
   ============================================ */
.reproductor-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.97);
    backdrop-filter: blur(16px);
    /*border-top: 2px solid var(--color-secundario);*/
    padding: 0.6rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    z-index: 100;
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.4);
    height: 80px;
}

/* Izquierda: Info */
.reproductor-izq,
.reproductor-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex: 0 0 auto;
    width: 240px;
}

.reproductor-izq img,
.reproductor-info img {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.repro-texto {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

#repro-titulo {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-texto);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
#repro-artista {
    font-size: 0.78rem;
    color: var(--color-texto-suave);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Centro: Controles */
.reproductor-centro {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    flex: 1;
    max-width: 600px;
    min-width: 0;
}

.controles-principales,
.reproductor-modos {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-control {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--color-texto-suave);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}
.btn-control:hover {
    color: var(--color-texto);
    background: rgba(255, 255, 255, 0.06);
}

.btn-play-pause {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: none;
    background: var(--color-texto);
    color: var(--color-fondo);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    margin: 0 0.3rem;
}
.btn-play-pause:hover {
    transform: scale(1.08);
    background: white;
}
.btn-play-pause .material-symbols-rounded {
    font-size: 1.6rem;
}

.btn-modo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--color-texto-suave);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.btn-modo:hover {
    color: var(--color-texto);
}
.btn-modo.activo {
    color: var(--color-secundario);
}

/* Progreso */
.barra-progreso-wrap {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0 0.5rem;
}
.tiempo {
    font-size: 0.7rem;
    color: var(--color-texto-suave);
    font-variant-numeric: tabular-nums;
    min-width: 32px;
    text-align: center;
}

.barra-progreso {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
    transition: height 0.2s;
}
.barra-progreso:hover {
    height: 6px;
}
.progreso-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: var(--color-secundario);
    border-radius: 2px;
    width: 0%;
    pointer-events: none;
}
.progreso-thumb {
    position: absolute;
    top: 50%;
    left: 0%;
    transform: translate(-50%, -50%) scale(0);
    width: 12px;
    height: 12px;
    background: var(--color-texto);
    border-radius: 50%;
    pointer-events: none;
    transition: transform 0.15s;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
}
.barra-progreso:hover .progreso-thumb,
.barra-progreso:active .progreso-thumb {
    transform: translate(-50%, -50%) scale(1);
}

/* Derecha: Volumen */
.reproductor-der {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 0 0 auto;
    width: auto;
}

.barra-volumen {
    flex: 1;
    width: 80px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}
.volumen-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: var(--color-texto-suave);
    border-radius: 2px;
    width: 80%;
    pointer-events: none;
}
.barra-volumen:hover .volumen-fill {
    background: var(--color-secundario);
}

#audio-player {
    max-width: 500px;
    width: 100%;
    height: 40px;
}

/* ============================================
   13. FOOTER
   ============================================ */
.site-footer {
    text-align: center;
    padding: 2rem;
    color: var(--color-texto-suave);
    font-size: 0.9rem;
}

/* ============================================
   14. RESPONSIVE / MEDIA QUERIES CONSOLIDADOS
   ============================================ */
@media (min-width: 1200px) {
    .panel-letra.abierto ~ main,
    .panel-letra.abierto ~ .page-musica {
        padding-right: 400px;
    }
}

@media (max-width: 900px) {
    .musica-layout {
        grid-template-columns: 1fr;
    }
    .musica-sidebar {
        position: relative;
        top: 0;
        max-width: 300px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .musica-layout {
        height: calc(100% - 70px);
    }

    .site-nav {
        padding: 1rem;
    }
    .site-nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    main, .page-musica, .musica-main-inner {
        padding: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .cancion {
        flex-wrap: wrap;
    }
    .cancion-info {
        width: 100%;
        order: 3;
    }
    .cancion-extras {
        width: 100%;
        order: 4;
        gap: 0.45rem;
    }
    
    .reproductor-bar {
        padding: 1rem 0.8rem 0.5rem;
        gap: 0.8rem;
        height: auto;
        min-height: 70px;
        flex-direction: row;
    }
    .sidebar-card {
        display: none;
    }
    .reproductor-izq {
        display: none;
    }
    .reproductor-izq img {
        width: 40px;
        height: 40px;
    }
    .reproductor-centro {
        order: -1;
        flex: none;
    }
    .barra-progreso-wrap {
        display: flex;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        padding: 0;
        gap: 0;
    }
    .barra-progreso-wrap .tiempo {
        display: none;
    }
    .barra-progreso {
        width: 100%;
        height: 4px;
        border-radius: 0;
    }
    .barra-progreso:hover {
        height: 4px;
    }
    .progreso-thumb {
        display: none;
    }
    .barra-volumen {
        display: none;
    }
    .reproductor-der {
        width: auto;
    }
    .btn-play-pause {
        width: 38px;
        height: 38px;
    }
    .btn-control, .btn-modo {
        width: 32px;
        height: 32px;
    }
    .material-symbols-rounded {
        font-size: 1.1rem;
    }
    #audio-player {
        max-width: 100%;
    }

    .panel-letra {
        width: 100%;
        top: 60px;
        bottom: 70px;
    }
}

@media (max-width: 600px) {
    .letra-header {
        flex-direction: column;
        text-align: center;
    }
    .letra-portada {
        width: 150px;
        height: 150px;
    }
    .cancion-extras {
        display: none;
    }
    .cancion-duracion-titulo {
        display: inline;
        margin-left: 0.35rem;
        color: var(--color-texto-suave);
        font-size: 0.78em;
        font-weight: 400;
        white-space: nowrap;
    }
    .cancion-meta-escritorio {
        display: none;
    }
    .cancion-meta-movil {
        display: block;
    }
    .cancion-duracion {
        display: inline-block;
        min-width: 2.6rem;
        margin-left: 0;
        font-size: 0.72rem;
        text-align: right;
    }
    .filtros-bar {
        flex-direction: column;
        gap: 0.5rem;
    }
    .filtro-select,
    .filtro-input,
    .choices {
        width: 100%;
        min-width: 100%;
        flex: 1;
    }
    .choices__inner {
        min-height: 40px;
        padding: 0.5rem 0.8rem;
        font-size: 0.9rem;
    }
    .buscador-box {
        width: 100%;
    }
}

/* ============================================
   MENÚ DE USUARIO (LOGIN GOOGLE)
   ============================================ */
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.user-menu-wrap {
    position: relative;
    margin-left: auto;
}

.user-avatar-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--color-borde);
    background: transparent;
    color: var(--color-texto);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    overflow: hidden;
    transition: border-color 0.2s;
}
.user-avatar-btn:hover {
    border-color: var(--color-primario);
}
.user-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.user-avatar-btn .material-symbols-rounded {
    font-size: 1.5rem;
}

/* Dropdown */
.user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--color-superficie);
    border: 1px solid var(--color-borde);
    border-radius: 14px;
    padding: 0.75rem;
    min-width: 260px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 200;
}
.user-dropdown.abierto {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    padding: 0.5rem;
}
.user-dropdown-header strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}
.user-dropdown-header span {
    font-size: 0.8rem;
    color: var(--color-texto-suave);
    word-break: break-all;
}

.user-dropdown-divider {
    height: 1px;
    background: var(--color-borde);
    margin: 0.5rem 0;
}

.user-dropdown-text {
    padding: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-texto-suave);
    margin: 0;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    color: var(--color-texto);
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.2s;
}
.user-dropdown-item:hover {
    background: rgba(255,255,255,0.05);
    text-decoration: none;
}
.user-dropdown-item .material-symbols-rounded {
    font-size: 1.1rem;
    color: var(--color-texto-suave);
}

/* Botón de Google */
.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.65rem;
    margin-top: 0.5rem;
    background: var(--color-texto);
    color: var(--color-fondo);
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.2s;
}
.btn-google:hover {
    opacity: 0.9;
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    .user-dropdown {
        right: -10px;
        min-width: 240px;
    }
}

/* ============================================
   15. CHOICES.JS - SELECTORES PERSONALIZADOS
   ============================================ */

/* Reset de Choices.js */
.choices {
    position: relative;
    margin-bottom: 0 !important;
    flex: 1 1 0%;
    min-width: 0;
    width: 100%;
}

/* Contenedor principal */
.choices[data-type*='select-one'] .choices__inner {
    background: var(--color-superficie);
    border: 1px solid var(--color-borde);
    border-radius: 8px;
    padding: 0.55rem 0.9rem;
    font-size: 0.9rem;
    min-height: 42px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.choices[data-type*='select-one']:not(.is-open) .choices__inner {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.choices[data-type*='select-one'].is-open .choices__inner,
.choices[data-type*='select-one'].is-focused .choices__inner {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 2px rgba(108, 92, 231, 0.2);
    outline: none;
}

.choices[data-type*='select-one'].is-open .choices__inner {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 2px rgba(108, 92, 231, 0.2);
}

.choices[data-type*='select-one'].is-focused .choices__inner {
    outline: none;
    border-color: var(--color-primario);
}

/* Contenedor y chips de selección múltiple */
.choices[data-type*='select-multiple'] .choices__inner {
    background: var(--color-superficie);
    border: 1px solid var(--color-borde);
    border-radius: 8px;
    padding: 0.35rem 0.55rem;
    min-height: 42px;
    cursor: text;
    transition: all 0.2s ease;
}

.choices[data-type*='select-multiple'].is-focused .choices__inner,
.choices[data-type*='select-multiple'].is-open .choices__inner {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 2px rgba(108, 92, 231, 0.2);
    outline: none;
}

.choices[data-type*='select-multiple'] .choices__list--multiple {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.choices[data-type*='select-multiple'] .choices__item--selectable {
    background: rgba(3, 175, 120, 0.14);
    border: 1px solid rgba(3, 175, 120, 0.35);
    border-radius: 5px;
    color: var(--color-texto);
    font-size: 0.82rem;
    padding: 0.25rem 0.45rem;
}

.choices[data-type*='select-multiple'] .choices__item--selectable .choices__button {
    border-left: 1px solid rgba(3, 175, 120, 0.35);
    margin-left: 0.35rem;
    padding-left: 0.4rem;
}

/* Input field */
.choices__input {
    background: transparent !important;
    border: none !important;
    color: var(--color-texto);
    font-size: 0.9rem;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
}

.choices__input::placeholder {
    color: var(--color-texto-suave);
    opacity: 0.7;
}

.choices__input:focus {
    outline: none !important;
}

/* Lista de selección única */
.choices__list--single {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0;
    margin: 0;
}

/* Items en el campo */
.choices[data-type*='select-one'] .choices__item--selectable {
    padding: 0;
    background: transparent;
    border: none;
    color: var(--color-texto);
    cursor: pointer;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Botón de limpiar */
.choices__button {
    background: transparent;
    border: none;
    color: var(--color-texto-suave);
    cursor: pointer;
    padding: 0 0.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
    margin-left: auto;
    flex-shrink: 0;
}

.choices__button:hover {
    color: var(--color-secundario);
}

/* Dropdown container */
.choices__list--dropdown {
    position: absolute !important;
    width: 100% !important; 
    left: 0 !important;
    background: var(--color-superficie) !important; 
    border: 1px solid var(--color-borde) !important;
    border-radius: 8px;
    max-height: 280px;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 999; 
    margin-top: 4px;
    padding: 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

/* Scrollbar personalizada */
.choices__list--dropdown::-webkit-scrollbar {
    width: 5px;
}

.choices__list--dropdown::-webkit-scrollbar-track {
    background: transparent;
}

.choices__list--dropdown::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

.choices__list--dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--color-secundario);
}

/* Items del dropdown */
.choices__list--dropdown .choices__item {
    padding: 0.6rem 1rem;
    background: transparent !important; /* Evita fondos blancos */
    border: none;
    color: var(--color-texto-suave);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.15s ease;
}

.choices__list--dropdown .choices__item:hover {
    background: rgba(108, 92, 231, 0.12) !important;
    color: var(--color-texto);
    padding-left: 1.2rem;
}

/* Item seleccionado en dropdown */
.choices__list--dropdown .choices__item--selectable.is-highlighted {
    background: rgba(108, 92, 231, 0.2) !important;
    color: var(--color-primario) !important;
}

.choices__list--dropdown .choices__item--selected {
    background: rgba(3, 175, 120, 0.1) !important;
    color: var(--color-secundario) !important;
    font-weight: 500;
}

.choices__list--dropdown .choices__item--selected::before {
    content: '✓ ';
    color: var(--color-secundario);
    margin-right: 0.3rem;
}

/* Grupos */
.choices__group {
    border-top: 1px solid var(--color-borde);
    padding: 0;
    margin: 0;
}

.choices__heading {
    color: var(--color-primario);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.6rem 1rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    background: rgba(108, 92, 231, 0.05);
    border-bottom: 1px solid rgba(108, 92, 231, 0.1);
    cursor: default;
}

/* Placeholder */
.choices__placeholder {
    color: var(--color-texto-suave);
    font-style: normal;
}

/* Sin resultados */
.choices__no-results,
.choices__no-choices {
    color: var(--color-texto-suave);
    padding: 1rem;
    text-align: center;
    font-size: 0.9rem;
    background: transparent;
}

/* Ocultar algunos estilos de Choices */
.choices[data-type*='select-one']::after,
.choices[data-type*='select-one']::before {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .choices[data-type*='select-one'] .choices__inner {
        padding: 0.5rem 0.75rem;
        font-size: 0.88rem;
        min-height: 38px;
    }

    .choices__list--dropdown {
        max-height: 250px;
        font-size: 0.88rem;
    }

    .choices__list--dropdown .choices__item {
        padding: 0.55rem 0.9rem;
    }

    .choices__heading {
        padding: 0.5rem 0.9rem;
        font-size: 0.75rem;
    }
}