/* ==========================================
   ESTRUCTURA MAESTRA — ORO PLAYER
   MAGIC GRID 2026 | Plan Oro: Sin publicidad
   ========================================== */

/* ==========================================
   FONDO AMBIENTAL DINÁMICO
   ========================================== */
.contenedor-app {
    display: grid;
    grid-template-areas:
        "cabecera"
        "central"
        "pie";
    grid-template-rows: auto 1fr auto;
    min-height: 100dvh;
    min-height: 100vh;
    width: 100%;
    max-width: 100vw;
    margin: 0;
    padding: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 12, 18, 0.94),
        rgba(10, 12, 18, 0.88)
    );
    position: relative;
    z-index: 0;
    contain: style;
    overflow: hidden;
}

/* Doble capa difuminada — blur aumentado a 30px en Oro */
.bg-layer {
    position: absolute;
    inset: -60px;
    z-index: -1;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(30px) saturate(1.4) brightness(0.65);
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    will-change: opacity;
}

.bg-layer.active {
    opacity: 0.5;
}

/* Tinte dinámico extraído por ColorThief */
.contenedor-app::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background: var(--bg-dynamic-color, #0a0c12);
    opacity: 0.25;
    transition: background-color 1.5s ease;
}

/* ==========================================
   ÁREAS GLOBALES
   ========================================== */
.cabecera-identidad {
    grid-area: cabecera;
    z-index: var(--z-header, 1000);
}

.seccion-central {
    grid-area: central;
}

/* Plan Oro: sin seccion-publicidad */

.pie-pagina {
    grid-area: pie;
    padding: 5px 10px 10px 10px;
    text-align: center;
    margin-bottom: 0;
}

/* ==========================================
   SECCIÓN CENTRAL — BASE MOBILE FIRST
   ========================================== */
.seccion-central {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(20px, 5vw, 40px);
    padding: clamp(16px, 4vw, 32px) clamp(12px, 4vw, 24px);
    padding-bottom: 140px;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
    isolation: isolate;
}

/* El .play-btn-container externo queda oculto — el control va sobre la carátula */
.play-btn-container {
    display: none !important;
}

/* ==========================================
   RESPONSIVE — PLAN ORO
   ========================================== */

/* 1. MOBILE (≤575.98px) */
@media (max-width: 575.98px) {
    .seccion-central {
        /* FIX PWA: justify-content:center + overflow:hidden recortaba el botón
           en la parte inferior. Se cambia a flex-start para que el contenido
           fluya desde arriba y overflow-y:auto permita scroll dentro del área. */
        justify-content: flex-start;
        overflow-x: hidden;
        overflow-y: auto;
        gap: 24px;
        padding: 16px 12px 130px 12px;
    }
    .area-informacion {
        text-align: center;
        align-items: center;
    }
}

/* 2. TABLET (768px – 991.98px) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .seccion-central {
        flex-direction: column;
        align-items: center;
        gap: 40px;
        padding: 40px 24px 130px 24px;
    }
}

/* 3. DESKTOP (992px – 1199.98px) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .seccion-central {
        display: grid;
        grid-template-columns: 4.5fr 5.5fr;
        grid-template-areas: "reproductor info";
        max-width: 1000px;
        margin: 0 auto;
        gap: 40px;
        padding: 40px 24px 130px 24px;
    }
}

/* 4. EXTRA LARGE (≥1200px) */
@media (min-width: 1200px) {
    .seccion-central {
        display: grid;
        grid-template-columns: 4fr 6fr;
        grid-template-areas: "reproductor info";
        max-width: 1250px;
        margin: 0 auto;
        gap: 30px;
        padding: 20px 24px 130px 24px;
    }
}

/* 5. LANDSCAPE — CSS Grid armónico (mobile/tablet ≤ 991.98px)
   ajustarDimensionesLandscape(): carátula reducida al 70 % +
   reordenamiento automático de títulos y controles en grid. */
@media (orientation: landscape) and (max-width: 991.98px) {
    .seccion-central {
        display: grid;
        grid-template-columns: auto 1fr;
        grid-template-areas: "reproductor info";
        align-items: center;
        justify-content: center;
        gap: 20px;
        padding: 8px 16px 90px 16px;
        overflow: visible;
    }

    .area-reproductor {
        grid-area: reproductor;
        flex-shrink: 0;
    }

    .area-informacion {
        grid-area: info;
        text-align: left;
        align-items: flex-start;
        overflow: hidden;
    }

    /* Footer oculto — prioridad al contenido en landscape */
    .pie-pagina { display: none; }

    /* Ícono play suprimido en landscape para no tapar la información */
    .play-glass-btn { display: none; }
}

/* 5b. LANDSCAPE MUY COMPACTO (altura ≤ 500px) — ajuste extra de padding */
@media (max-height: 500px) and (orientation: landscape) {
    .seccion-central {
        gap: 12px;
        padding: 4px 12px 80px 12px;
    }
}

/* ==========================================
   OPTIMIZACIÓN DE RENDIMIENTO
   ========================================== */
.contenedor-app   { contain: layout style; }
.seccion-central  { contain: layout style; }
.area-reproductor { contain: layout style; overflow: visible; }
.area-informacion { contain: layout style; }

/* ==========================================
   ACCESIBILIDAD
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    html, body       { scroll-behavior: auto; }
    .seccion-central { transition: none; }
}

@media (prefers-contrast: high) {
    .contenedor-app { background: #000; }
}

@media print {
    html, body { overflow: visible; }
    .cabecera-identidad, .pie-pagina, .magic-island { display: none; }
    .seccion-central { display: block; overflow: visible; padding: 0; }
}