/* =========================================
   ESTRUCTURA PRINCIPAL Y NAVEGACIÓN
========================================== */
.contenedor-principal {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* --- HEADER PRINCIPAL --- */
.encabezado {
    background-color: var(--color-tarjeta);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--color-borde);
    position: sticky;
    top: 0;
    z-index: 10;
}

.encabezado h1 {
    margin: 0;
    font-size: 1.5rem;
}

.navegacion {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-categorias {
    display: flex;
    gap: 2.5rem;
}

.nav-izquierda, .nav-derecha, .nav-perfil {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-izquierda a, .nav-perfil a {
    text-decoration: none;
    color: var(--color-texto-principal);
    font-weight: bold;
}

.enlace-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-logo {
    height: 35px;
    width: auto;
    border-radius: 0;
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}

.nav-logo:hover {
    transform: scale(1.08);
}

.nav-perfil img, .perfil-icono {
    height: 35px;
    width: 35px;
    border-radius: 50%;
    object-fit: cover;
}

.nav-btn-menu {
    display: none;
    background: none;
    border: none;
    color: var(--color-texto-principal);
    font-size: 1.5rem;
    cursor: pointer;
}

.nav-busqueda {
    display: flex;
    border: 1px solid var(--color-borde);
    border-radius: 20px;
    overflow: hidden;
}

.nav-busqueda input {
    border: none;
    padding: 0.5rem 1rem;
    outline: none;
    background-color: var(--color-fondo);
    color: var(--color-texto-principal);
}

.nav-busqueda input::placeholder {
    color: var(--color-texto-secundario);
}

.nav-busqueda button {
    background: var(--color-tarjeta);
    border: none;
    padding: 0 1rem;
    cursor: pointer;
    color: var(--color-texto-principal);
}

/* --- ENCABEZADO FLOTANTE (VARIANTE) --- */
.encabezado-flotante {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #242433;
    margin: 1rem auto;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    max-width: 1350px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.nav-izq, .nav-centro, .nav-der {
    display: flex;
    align-items: center;
    gap: 3.8rem;
}

.nav-izq i {
    font-size: 1.2rem;
    cursor: pointer;
}

.nav-centro a {
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.2s;
}

.nav-centro a:hover {
    color: var(--color-acento-purpura);
}

.caja-busqueda {
    background-color: #1a1a24;
    border-radius: 20px;
    padding: 8px 15px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 400px;
}

.caja-busqueda input {
    background: transparent;
    border: none;
    color: white;
    outline: none;
    text-align: left;
    flex: 1;
    width: 100%;
}

/* --- FOOTER --- */
.pie-pagina {
    background-color: var(--color-fondo);
    color: var(--color-texto-secundario);
    border-top: 1px solid var(--color-borde);
    padding: 2rem;
    margin-top: 3rem;
    text-align: center;
    font-size: 0.9rem;
}

.pie-pagina p {
    margin: 5px 0;
}

.footer-contenido {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.footer-enlaces {
    display: flex;
    gap: 1.5rem;
}

.footer-enlaces a {
    color: var(--color-texto-secundario);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-enlaces a:hover {
    color: white;
}

/* --- MEDIA QUERIES NAVBAR --- */
@media (max-width: 800px) {
    .nav-btn-menu {
        display: block;
    }
    .nav-categorias {
        position: fixed;
        top: 0;
        left: -100%;
        width: 250px;
        height: 100vh;
        background: var(--color-tarjeta);
        border-right: 1px solid var(--color-borde);
        display: flex;
        flex-direction: column;
        padding-top: 4rem;
        gap: 4rem;
        align-items: center;
        transition: left 0.3s ease-in-out;
        z-index: 100;
    }
    .nav-categorias.activa {
        left: 0;
    }
}

/* --- BANNER DE ALERTA --- */
.banner-alerta {
    background-color: #ff4d4f; /* Un rojo/naranja suave de error */
    color: white;
    text-align: center;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: bold;
    position: relative;
    z-index: 9999; /* Para que quede por encima de todo */
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.btn-cerrar-banner {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
}

/* --- GRID BÚSQUEDA TIPO SPOTIFY --- */
.busqueda-top-grid {
    display: grid;
    grid-template-columns: 35% 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

/* Tarjeta Mejor Resultado */
.card-mejor-resultado {
    background-color: var(--color-tarjeta);
    padding: 25px;
    border-radius: 12px;
    transition: background 0.3s ease;
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.card-mejor-resultado:hover { background-color: #282828; }
.card-mejor-resultado img { 
    width: 120px; height: 120px; 
    border-radius: 8px; 
    object-fit: cover;
    margin-bottom: 20px; 
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.card-mejor-resultado h2 { font-size: 2.2rem; margin: 0 0 10px 0; color: white; font-family: 'FuenteTitulos', impact, sans-serif;}
.card-mejor-resultado p { font-size: 1rem; color: var(--color-texto-secundario); margin: 0; }
.badge-tipo { 
    background: var(--color-acento-purpura); 
    color: white; padding: 4px 12px; 
    border-radius: 20px; font-size: 0.8rem; 
    display: inline-block; font-weight: bold; margin-top: 15px; 
    align-self: flex-start;
}

/* Lista rápida de canciones */
.lista-canciones-rapida { display: flex; flex-direction: column; gap: 8px; }
.track-item-lista {
    display: flex; align-items: center; padding: 10px;
    border-radius: 8px; transition: background 0.2s; cursor: pointer;
}
.track-item-lista:hover { background: rgba(255,255,255,0.1); }
.track-item-lista img { width: 45px; height: 45px; border-radius: 4px; margin-right: 15px; }
.track-info-lista { flex: 1; display: flex; flex-direction: column; }
.track-info-lista h4 { margin: 0; font-size: 1rem; color: var(--color-texto-principal); }
.track-info-lista p { margin: 0; font-size: 0.85rem; color: var(--color-texto-secundario); }

@media (max-width: 768px) {
    .busqueda-top-grid { grid-template-columns: 1fr; } 
}

/* --- AJUSTES RESPONSIVOS GLOBALES DE NAVEGACION --- */
.mostrar-en-movil {
    display: none;
}

.ocultar-en-movil {
    display: inherit;
}

@media (max-width: 1024px) {
    .contenedor-principal {
        margin: 1.25rem auto;
        padding: 0 1rem;
    }

    .encabezado-flotante {
        padding: 0.8rem 1rem;
        margin: 0.75rem 0.75rem 0;
        max-width: none;
        border-radius: 20px;
        gap: 0.75rem;
    }

    .nav-izq, .nav-centro, .nav-der {
        gap: 1rem;
    }

    .nav-centro {
        flex-wrap: wrap;
        justify-content: center;
    }

    .caja-busqueda {
        width: min(100%, 320px);
    }
}

@media (max-width: 768px) {
    .ocultar-en-movil {
        display: none !important;
    }

    .mostrar-en-movil {
        display: flex !important;
        width: 100%;
    }

    .encabezado-flotante {
        margin: 0;
        padding: 0;
        border-radius: 0;
    }

    .footer-enlaces {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem 1.25rem;
    }

    .pie-pagina {
        padding: 1.5rem 1rem 5.5rem;
    }
}