/**
 * 🛍️ PRODUCT DETAIL PANEL - v4.0 "STORE-AWARE THEME"
 * El panel hereda el color primario de la tienda (var(--primary)).
 * Tema base: LIGHT — el tendero elige dark/vibrant en el designer.
 * ✅ v4.0: Elimina el tema luxury-dark hardcodeado. Usa var(--primary).
 */

/* ==========================================
   FONT IMPORTS
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600;9..40,700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ==========================================
   CSS VARIABLES - TEMA BASE LIGHT (STORE-AWARE)
   El acento hereda de --primary (seteado por tienda.js desde el designer).
   ========================================== */
:root {
    /* ── Acento: hereda el color primario del store designer ── */
    --pd-accent:        var(--primary,       #2563eb);
    --pd-accent-light:  var(--primary-light, #60a5fa);
    --pd-accent-dark:   var(--primary-dark,  #1e40af);
    --pd-accent-glow:   rgba(37, 99, 235, 0.35);
    --pd-accent-soft:   rgba(37, 99, 235, 0.10);
    --pd-border-accent: rgba(37, 99, 235, 0.25);

    /* ── Fondos: LIGHT por defecto ── */
    --pd-bg-primary:      #ffffff;
    --pd-bg-secondary:    #f8fafc;
    --pd-bg-tertiary:     #f1f5f9;
    --pd-bg-glass:        rgba(0, 0, 0, 0.02);
    --pd-bg-glass-hover:  rgba(0, 0, 0, 0.04);
    --pd-bg-glass-active: rgba(0, 0, 0, 0.06);

    /* ── Bordes: light ── */
    --pd-border-glass: rgba(0, 0, 0, 0.08);
    --pd-border-glow:  rgba(0, 0, 0, 0.13);

    /* ── Textos: light ── */
    --pd-text-primary:   #1e293b;
    --pd-text-secondary: rgba(30, 41, 59, 0.70);
    --pd-text-muted:     rgba(30, 41, 59, 0.45);
    --pd-text-micro:     rgba(30, 41, 59, 0.25);

    /* ── Estados (mismo en todos los temas) ── */
    --pd-success:      #10b981;
    --pd-success-soft: rgba(16, 185, 129, 0.15);
    --pd-warning:      #f59e0b;
    --pd-warning-soft: rgba(245, 158, 11, 0.15);
    --pd-danger:       #ef4444;
    --pd-danger-soft:  rgba(239, 68, 68, 0.15);

    /* ── Sombras: light ── */
    --pd-shadow-sm:    0 1px 4px  rgba(0, 0, 0, 0.07);
    --pd-shadow-md:    0 4px 20px rgba(0, 0, 0, 0.10);
    --pd-shadow-lg:    0 12px 48px rgba(0, 0, 0, 0.13);
    --pd-shadow-glow:  0 0 32px rgba(37, 99, 235, 0.20);
    --pd-shadow-inner: inset 0 1px 0 rgba(255, 255, 255, 0.8);

    /* ── Radios ── */
    --pd-radius-xs:   6px;
    --pd-radius-sm:   10px;
    --pd-radius-md:   16px;
    --pd-radius-lg:   24px;
    --pd-radius-xl:   32px;
    --pd-radius-full: 9999px;

    /* ── Tipografía: DM Sans por defecto (sin serif) ── */
    --pd-font-display: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --pd-font-body:    'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --pd-font-mono:    'JetBrains Mono', 'Fira Code', monospace;

    /* ── Transiciones ── */
    --pd-ease-smooth:      cubic-bezier(0.4, 0, 0.2, 1);
    --pd-ease-bounce:      cubic-bezier(0.34, 1.56, 0.64, 1);
    --pd-ease-elastic:     cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --pd-transition-fast:  0.15s var(--pd-ease-smooth);
    --pd-transition-normal: 0.3s var(--pd-ease-smooth);
    --pd-transition-slow:  0.5s var(--pd-ease-smooth);

    /* ── Espaciado ── */
    --pd-space-xs:  4px;
    --pd-space-sm:  8px;
    --pd-space-md:  16px;
    --pd-space-lg:  24px;
    --pd-space-xl:  32px;
    --pd-space-2xl: 48px;
}

/* ==========================================
   ANIMACIONES KEYFRAMES
   ========================================== */
@keyframes pdSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pdSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

@keyframes pdFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pdFadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pdScaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pdShimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes pdPulseGlow {
    0%, 100% { 
        box-shadow: 0 0 20px var(--pd-accent-glow);
    }
    50% { 
        box-shadow: 0 0 40px var(--pd-accent-glow), 0 0 60px rgba(212, 175, 55, 0.2);
    }
}

@keyframes pdFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes pdGradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ==========================================
   OVERLAY
   ========================================== */
.pd-overlay {
    position: fixed;
    inset: 0;
    /* ★ v3.6 FIX: misma altura dinámica que el panel para no extenderse
       fuera del área visible y mantener el blur consistente. */
    height: 100vh;
    height: 100dvh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--pd-ease-smooth);
}

.pd-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ==========================================
   PANEL PRINCIPAL
   ========================================== */
.pd-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 520px;
    /* ★ v4.1 FIX CRÍTICO: el panel cerrado NO debe interceptar clicks.
       opacity:0 es invisible pero SÍ captura eventos — pointer-events:none
       es la única forma de que la grilla de productos sea clickeable
       mientras el panel está inactivo (especialmente el layout "modal"
       que queda centrado en la pantalla y bloqueaba las columnas del centro). */
    pointer-events: none;
    /* ★ v3.6 FIX: 100dvh = altura del viewport visible REAL en móvil.
       Antes con 100% el panel era tan alto como el layout viewport
       (con URL bar colapsada), así que la URL bar del navegador móvil
       tapaba el header al abrir. Con 100dvh el panel se ajusta al
       área visible y el botón "Volver" queda visible desde el inicio. */
    height: 100vh;       /* fallback para navegadores viejos */
    height: 100dvh;      /* navegadores modernos: viewport dinámico */
    background: var(--pd-bg-primary);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.5s var(--pd-ease-smooth);
    
    /* Borde luminoso sutil */
    box-shadow: 
        -1px 0 0 var(--pd-border-glass),
        var(--pd-shadow-lg);
    
    /* Sin textura — fondo limpio que respeta el tema */
    background-image: none;
}

/* ★ v4.1: restaurar pointer-events cuando el panel está activo (cualquier layout) */
.pd-panel.active { pointer-events: auto; }

/* Layout: derecha (default) */
.pd-panel--right {
    right: 0; left: auto;
    transform: translateX(100%);
}
.pd-panel--right.active { transform: translateX(0); }

/* Layout: izquierda */
.pd-panel--left {
    left: 0; right: auto;
    transform: translateX(-100%);
    box-shadow: 1px 0 0 var(--pd-border-glass), var(--pd-shadow-lg);
}
.pd-panel--left.active { transform: translateX(0); }

/* Layout: modal centrado */
.pd-panel--modal {
    top: 50%; left: 50%; right: auto;
    width: 92%; max-width: 640px;
    height: auto; max-height: 92dvh;
    border-radius: 20px;
    transform: translate(-50%, -50%) scale(0.95);
    opacity: 0;
    transition: transform 0.35s var(--pd-ease-smooth), opacity 0.35s ease;
}
.pd-panel--modal.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

/* Layout: bottom sheet */
.pd-panel--bottom {
    top: auto; bottom: 0; left: 0; right: 0;
    width: 100%; max-width: 100%;
    height: auto; max-height: 92dvh;
    border-radius: 20px 20px 0 0;
    transform: translateY(100%);
    box-shadow: 0 -4px 40px rgba(0,0,0,0.18);
}
.pd-panel--bottom.active { transform: translateY(0); }

/* Compatibilidad con clase sin variante (legado) */
.pd-panel:not([class*="pd-panel--"]) {
    right: 0; transform: translateX(100%);
}
.pd-panel:not([class*="pd-panel--"]).active { transform: translateX(0); }

/* Línea decorativa superior dorada */
.pd-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--pd-accent) 20%,
        var(--pd-accent-light) 50%,
        var(--pd-accent) 80%,
        transparent 100%
    );
    opacity: 0.6;
    z-index: 100;
}

/* ==========================================
   HEADER
   ========================================== */
.pd-header {
    /* ★ v3.6 FIX: sticky + padding-top con safe-area-inset.
       En iPhones con notch o navegadores con URL bar visible, el header
       puede quedar tapado. Esto garantiza separación contra el área no segura. */
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: max(var(--pd-space-md), env(safe-area-inset-top));
    padding-right: var(--pd-space-lg);
    padding-bottom: var(--pd-space-md);
    padding-left: var(--pd-space-lg);
    /* Header: siempre en el color primario del store (hereda de --primary) */
    background: var(--primary, #2563eb);
    border-bottom: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: 100;
    min-height: 64px;
    flex-shrink: 0;
}

/* Breadcrumb */
.pd-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--pd-space-sm);
    font-family: var(--pd-font-body);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}

/* Breadcrumb sobre header de color — texto siempre blanco */
.pd-breadcrumb a {
    color: rgba(255, 255, 255, 0.80);
    text-decoration: none;
    transition: color var(--pd-transition-fast);
    white-space: nowrap;
}

.pd-breadcrumb a:hover {
    color: #ffffff;
    opacity: 0.9;
}

.pd-breadcrumb i {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.55);
}

.pd-breadcrumb span {
    color: #ffffff;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px;
}

/* Botón "Volver" sobre header de color — texto blanco */
.pd-close {
    position: relative;
    height: 44px;
    padding: 0 14px;
    border: 1px solid rgba(255, 255, 255, 0.30);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--pd-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--pd-font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: #ffffff;
    transition: all var(--pd-transition-fast);
    flex-shrink: 0;
    overflow: hidden;
    white-space: nowrap;
}

.pd-close-label {
    position: relative;
    z-index: 1;
}

.pd-close::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.10);
    opacity: 0;
    transition: opacity var(--pd-transition-fast);
}

.pd-close:hover {
    border-color: rgba(255, 255, 255, 0.55);
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    transform: scale(1.04);
}

.pd-close:hover::before {
    opacity: 1;
}

.pd-close:active {
    transform: scale(0.95);
}

.pd-close i {
    position: relative;
    z-index: 1;
}

/* ==========================================
   BODY / CONTENIDO
   ========================================== */
.pd-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--pd-space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-xl);
    
    /* Scrollbar personalizado */
    scrollbar-width: thin;
    scrollbar-color: var(--pd-border-glow) transparent;
}

.pd-body::-webkit-scrollbar {
    width: 6px;
}

.pd-body::-webkit-scrollbar-track {
    background: transparent;
}

.pd-body::-webkit-scrollbar-thumb {
    background: var(--pd-border-glow);
    border-radius: var(--pd-radius-full);
}

.pd-body::-webkit-scrollbar-thumb:hover {
    background: var(--pd-text-muted);
}

/* ==========================================
   UTILIDADES
   ========================================== */
.pd-glass-card {
    background: var(--pd-bg-glass);
    border: 1px solid var(--pd-border-glass);
    border-radius: var(--pd-radius-md);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--pd-shadow-inner);
}

.pd-shine-effect {
    position: relative;
    overflow: hidden;
}

.pd-shine-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transition: left 0.5s ease;
}

.pd-shine-effect:hover::after {
    left: 100%;
}

/* Animaciones de entrada escalonadas */
.pd-animate-in {
    animation: pdFadeUp 0.5s var(--pd-ease-smooth) forwards;
    opacity: 0;
}

.pd-animate-in:nth-child(1) { animation-delay: 0.05s; }
.pd-animate-in:nth-child(2) { animation-delay: 0.1s; }
.pd-animate-in:nth-child(3) { animation-delay: 0.15s; }
.pd-animate-in:nth-child(4) { animation-delay: 0.2s; }
.pd-animate-in:nth-child(5) { animation-delay: 0.25s; }
.pd-animate-in:nth-child(6) { animation-delay: 0.3s; }

/* ==========================================
   RESPONSIVE BASE
   ========================================== */
@media (max-width: 640px) {
    .pd-panel {
        max-width: 100%;
    }
    
    .pd-body {
        padding: var(--pd-space-md);
        gap: var(--pd-space-lg);
    }
    
    .pd-header {
        /* ★ v3.6: en móvil mantenemos el safe-area-inset-top para iPhones con notch */
        padding-top: max(var(--pd-space-sm), env(safe-area-inset-top));
        padding-right: var(--pd-space-md);
        padding-bottom: var(--pd-space-sm);
        padding-left: var(--pd-space-md);
    }

    .pd-breadcrumb span {
        max-width: 100px;
    }
}

@media (min-width: 768px) {
    .pd-panel {
        max-width: 480px;
    }
}

@media (min-width: 1024px) {
    .pd-panel {
        max-width: 520px;
    }
}

@media (min-width: 1440px) {
    .pd-panel {
        max-width: 560px;
    }
}

/* Prevenir scroll del body cuando panel está abierto */
body.pd-open {
    overflow: hidden;
}

/* ==========================================
   SESIÓN 2/5: GALERÍA DE IMÁGENES
   ========================================== */

.pd-gallery {
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-md);
}

/* Contenedor principal de imagen */
.pd-gallery-main {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    background: var(--pd-bg-tertiary);
    border-radius: var(--pd-radius-lg);
    overflow: hidden;
    cursor: zoom-in;
    
    /* Borde glass */
    border: 1px solid var(--pd-border-glass);
    box-shadow: var(--pd-shadow-md);
}

/* Efecto de brillo en esquinas */
.pd-gallery-main::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 30% 30%,
        rgba(212, 175, 55, 0.08) 0%,
        transparent 50%
    );
    pointer-events: none;
    z-index: 1;
}

.pd-gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.6s var(--pd-ease-smooth), opacity 0.3s;
    padding: var(--pd-space-md);
}

/* Estado de zoom */
.pd-gallery-main.zoomed {
    cursor: zoom-out;
}

.pd-gallery-main.zoomed img {
    transform: scale(1.8);
}

/* Badge de descuento flotante */
.pd-gallery-discount {
    position: absolute;
    top: var(--pd-space-md);
    left: var(--pd-space-md);
    background: linear-gradient(135deg, var(--pd-danger), #dc2626);
    color: white;
    padding: 6px 14px;
    border-radius: var(--pd-radius-full);
    font-family: var(--pd-font-body);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    z-index: 5;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
    animation: pdFloat 3s ease-in-out infinite;
}

/* Badge nuevo/destacado */
.pd-gallery-badge {
    position: absolute;
    top: var(--pd-space-md);
    right: var(--pd-space-md);
    background: linear-gradient(135deg, var(--pd-accent), var(--pd-accent-dark));
    color: var(--pd-bg-primary);
    padding: 6px 12px;
    border-radius: var(--pd-radius-xs);
    font-family: var(--pd-font-body);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    z-index: 5;
    box-shadow: var(--pd-shadow-glow);
}

/* Indicador de zoom */
.pd-zoom-hint {
    position: absolute;
    bottom: var(--pd-space-md);
    right: var(--pd-space-md);
    background: var(--pd-bg-glass-active);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--pd-border-glass);
    color: var(--pd-text-secondary);
    padding: 8px 14px;
    border-radius: var(--pd-radius-sm);
    font-size: 0.75rem;
    font-family: var(--pd-font-body);
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--pd-transition-normal);
    z-index: 5;
}

.pd-gallery-main:hover .pd-zoom-hint {
    opacity: 1;
    transform: translateY(0);
}

/* Botones de navegación */
.pd-gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: 1px solid var(--pd-border-glass);
    background: var(--pd-bg-glass-active);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--pd-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--pd-text-secondary);
    transition: all var(--pd-transition-fast);
    z-index: 5;
    opacity: 0;
}

.pd-gallery-main:hover .pd-gallery-nav {
    opacity: 1;
}

.pd-gallery-nav:hover {
    background: var(--pd-bg-glass-hover);
    border-color: var(--pd-accent);
    color: var(--pd-accent);
    transform: translateY(-50%) scale(1.1);
}

.pd-gallery-nav:active {
    transform: translateY(-50%) scale(0.95);
}

.pd-gallery-nav.prev {
    left: var(--pd-space-md);
}

.pd-gallery-nav.next {
    right: var(--pd-space-md);
}

/* Contador de imágenes */
.pd-gallery-counter {
    position: absolute;
    bottom: var(--pd-space-md);
    left: var(--pd-space-md);
    background: var(--pd-bg-glass-active);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--pd-border-glass);
    padding: 6px 12px;
    border-radius: var(--pd-radius-full);
    font-family: var(--pd-font-mono);
    font-size: 0.75rem;
    color: var(--pd-text-muted);
    z-index: 5;
}

.pd-gallery-counter strong {
    color: var(--pd-text-primary);
}

/* Thumbnails */
.pd-gallery-thumbnails {
    display: flex;
    gap: var(--pd-space-sm);
    overflow-x: auto;
    padding: var(--pd-space-xs);
    margin: 0 calc(-1 * var(--pd-space-xs));
    
    /* Scroll suave */
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.pd-gallery-thumbnails::-webkit-scrollbar {
    display: none;
}

.pd-thumbnail {
    position: relative;
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    border-radius: var(--pd-radius-sm);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    background: var(--pd-bg-tertiary);
    transition: all var(--pd-transition-fast);
}

.pd-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--pd-transition-fast);
}

.pd-thumbnail:hover {
    border-color: var(--pd-border-glow);
}

.pd-thumbnail:hover img {
    transform: scale(1.1);
}

.pd-thumbnail.active {
    border-color: var(--pd-accent);
    box-shadow: 0 0 0 2px var(--pd-accent-soft);
}

/* Thumbnail de video */
.pd-thumbnail.video-thumb {
    background: var(--pd-bg-primary);
}

.pd-thumbnail .video-thumb-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--pd-bg-tertiary), var(--pd-bg-primary));
    color: var(--pd-accent);
    font-size: 1.2rem;
    transition: all var(--pd-transition-fast);
}

.pd-thumbnail.video-thumb:hover .video-thumb-icon {
    color: var(--pd-accent-light);
    transform: scale(1.1);
}

/* Dots de galería */
.pd-gallery-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: var(--pd-space-sm) 0;
}

.pd-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--pd-radius-full);
    background: var(--pd-border-glow);
    cursor: pointer;
    transition: all var(--pd-transition-fast);
}

.pd-dot:hover {
    background: var(--pd-text-muted);
    transform: scale(1.2);
}

.pd-dot.active {
    background: var(--pd-accent);
    width: 24px;
    box-shadow: 0 0 10px var(--pd-accent-glow);
}

/* Contenedor de video */
.pd-video-container {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--pd-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pd-video-container iframe,
.pd-video-container video {
    width: 100%;
    height: 100%;
    border: none;
}

.pd-video-close {
    position: absolute;
    bottom: var(--pd-space-md);
    left: 50%;
    transform: translateX(-50%);
    background: var(--pd-bg-glass-active);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--pd-border-glass);
    color: var(--pd-text-primary);
    padding: 10px 20px;
    border-radius: var(--pd-radius-full);
    cursor: pointer;
    font-family: var(--pd-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--pd-transition-fast);
    z-index: 10;
}

.pd-video-close:hover {
    background: var(--pd-bg-glass-hover);
    border-color: var(--pd-accent);
    color: var(--pd-accent);
}

/* Efecto skeleton loading */
.pd-gallery-main.loading {
    background: linear-gradient(
        90deg,
        var(--pd-bg-tertiary) 0%,
        var(--pd-bg-secondary) 50%,
        var(--pd-bg-tertiary) 100%
    );
    background-size: 200% 100%;
    animation: pdShimmer 1.5s infinite;
}

.pd-gallery-main.loading img {
    opacity: 0;
}

/* ==========================================
   SESIÓN 3/5: INFO, PRECIOS Y ACCIONES
   ========================================== */

/* Contenedor de información */
.pd-info {
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-md);
}

/* Categoría badge */
.pd-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--pd-accent-soft);
    border: 1px solid var(--pd-border-accent);
    color: var(--pd-accent);
    padding: 6px 14px;
    border-radius: var(--pd-radius-full);
    font-family: var(--pd-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    width: fit-content;
    transition: all var(--pd-transition-fast);
}

.pd-category:hover {
    background: var(--pd-accent);
    color: var(--pd-bg-primary);
}

.pd-category i {
    font-size: 0.7rem;
}

/* Título del producto */
.pd-title {
    font-family: var(--pd-font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--pd-text-primary);
    line-height: 1.3;
    margin: 0;
    letter-spacing: -0.01em;
}

/* ==========================================
   SECCIÓN DE PRECIO - MEJORADA
   ========================================== */
.pd-price-section {
    display: flex;
    align-items: center;
    gap: var(--pd-space-md);
    flex-wrap: wrap;
    padding: var(--pd-space-lg);
    background: var(--pd-bg-tertiary);
    border: 1px solid var(--pd-border-glass);
    border-radius: var(--pd-radius-md);
}

.pd-price {
    font-family: var(--pd-font-body);
    font-size: 2rem;
    font-weight: 700;
    color: var(--pd-accent);
    letter-spacing: -0.02em;
    line-height: 1;
}

.pd-price-original {
    font-family: var(--pd-font-body);
    font-size: 1rem;
    color: var(--pd-text-muted);
    text-decoration: line-through;
    text-decoration-color: var(--pd-danger);
    text-decoration-thickness: 2px;
}

.pd-discount-badge {
    background: var(--pd-danger);
    color: white;
    padding: 4px 10px;
    border-radius: var(--pd-radius-xs);
    font-family: var(--pd-font-body);
    font-size: 0.8rem;
    font-weight: 700;
}

/* Precio por unidad/cuota */
.pd-price-detail {
    width: 100%;
    font-family: var(--pd-font-body);
    font-size: 0.85rem;
    color: var(--pd-text-muted);
    margin-top: var(--pd-space-xs);
}

.pd-price-detail strong {
    color: var(--pd-success);
}

/* ==========================================
   SECCIÓN DE STOCK - MEJORADA
   ========================================== */
.pd-stock {
    display: inline-flex;
    align-items: center;
    gap: var(--pd-space-sm);
    padding: 8px 14px;
    border-radius: var(--pd-radius-full);
    font-family: var(--pd-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    width: fit-content;
}

.pd-stock i {
    font-size: 0.85rem;
}

.pd-stock.in-stock {
    background: var(--pd-success-soft);
    color: var(--pd-success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.pd-stock.low-stock {
    background: var(--pd-warning-soft);
    color: var(--pd-warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.pd-stock.out-of-stock {
    background: var(--pd-danger-soft);
    color: var(--pd-danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ==========================================
   SELECTOR DE CANTIDAD - MEJORADO
   ========================================== */
.pd-quantity {
    display: flex;
    align-items: center;
    gap: var(--pd-space-md);
}

.pd-quantity-label {
    font-family: var(--pd-font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--pd-text-secondary);
}

.pd-quantity-control {
    display: flex;
    align-items: center;
    background: var(--pd-bg-tertiary);
    border: 1px solid var(--pd-border-glass);
    border-radius: var(--pd-radius-sm);
    overflow: hidden;
}

.pd-quantity-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--pd-text-secondary);
    transition: all var(--pd-transition-fast);
}

.pd-quantity-btn:hover {
    background: var(--pd-accent-soft);
    color: var(--pd-accent);
}

.pd-quantity-btn:active {
    transform: scale(0.9);
}

.pd-quantity-input {
    width: 56px;
    height: 44px;
    border: none;
    border-left: 1px solid var(--pd-border-glass);
    border-right: 1px solid var(--pd-border-glass);
    background: transparent;
    text-align: center;
    font-family: var(--pd-font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--pd-text-primary);
    -moz-appearance: textfield;
}

.pd-quantity-input::-webkit-outer-spin-button,
.pd-quantity-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.pd-quantity-input:focus {
    outline: none;
    background: var(--pd-bg-glass);
}

/* ==========================================
   BOTONES DE ACCIÓN - MEJORADOS
   ========================================== */
.pd-actions {
    display: flex;
    flex-direction: column;
    gap: var(--pd-space-sm);
    margin-top: var(--pd-space-sm);
}

/* Fila de botones principales */
.pd-actions-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pd-space-sm);
}

.pd-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--pd-space-sm);
    padding: 14px var(--pd-space-lg);
    border: none;
    border-radius: var(--pd-radius-sm);
    font-family: var(--pd-font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--pd-transition-fast);
    overflow: hidden;
}

.pd-btn i {
    font-size: 1rem;
    transition: transform var(--pd-transition-fast);
}

.pd-btn:hover i {
    transform: scale(1.15);
}

.pd-btn:active {
    transform: scale(0.98);
}

/* Botón primario - Dorado premium */
.pd-btn-primary {
    background: linear-gradient(135deg, var(--pd-accent), var(--pd-accent-dark));
    color: var(--pd-bg-primary);
    box-shadow: 0 4px 16px var(--pd-accent-glow);
}

.pd-btn-primary:hover {
    background: linear-gradient(135deg, var(--pd-accent-light), var(--pd-accent));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--pd-accent-glow);
}

/* Botón secundario - Outline */
.pd-btn-secondary {
    background: transparent;
    border: 1px solid var(--pd-border-glow);
    color: var(--pd-text-primary);
}

.pd-btn-secondary:hover {
    background: var(--pd-bg-glass-hover);
    border-color: var(--pd-accent);
    color: var(--pd-accent);
}

/* Botón WhatsApp - Full width */
.pd-btn-whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: white;
    width: 100%;
}

.pd-btn-whatsapp:hover {
    background: linear-gradient(135deg, #2be574, #25d366);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

/* ==========================================
   COMPARTIR - MEJORADO
   ========================================== */
.pd-share {
    display: flex;
    align-items: center;
    gap: var(--pd-space-md);
    padding-top: var(--pd-space-lg);
    border-top: 1px solid var(--pd-border-glass);
    margin-top: var(--pd-space-sm);
}

.pd-share-label {
    font-family: var(--pd-font-body);
    font-size: 0.85rem;
    color: var(--pd-text-muted);
}

.pd-share-btns {
    display: flex;
    gap: var(--pd-space-sm);
}

.pd-share-btn {
    width: 38px;
    height: 38px;
    border: 1px solid var(--pd-border-glass);
    background: var(--pd-bg-glass);
    border-radius: var(--pd-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--pd-text-secondary);
    transition: all var(--pd-transition-fast);
}

.pd-share-btn:hover {
    transform: translateY(-3px) scale(1.05);
    border-color: transparent;
}

.pd-share-btn.facebook:hover {
    background: #1877f2;
    color: white;
    box-shadow: 0 4px 12px rgba(24, 119, 242, 0.4);
}

.pd-share-btn.twitter:hover {
    background: #1da1f2;
    color: white;
    box-shadow: 0 4px 12px rgba(29, 161, 242, 0.4);
}

.pd-share-btn.whatsapp:hover {
    background: #25d366;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
}

.pd-share-btn.copy:hover {
    background: var(--pd-accent);
    color: var(--pd-bg-primary);
    box-shadow: 0 4px 12px var(--pd-accent-glow);
}

/* ==========================================
   SESIÓN 4/5: TABS, SPECS, REVIEWS
   ========================================== */

/* Sistema de Tabs */
.pd-tabs {
    margin-top: var(--pd-space-sm);
}

.pd-tabs-header {
    display: flex;
    gap: var(--pd-space-xs);
    padding: var(--pd-space-xs);
    background: var(--pd-bg-tertiary);
    border: 1px solid var(--pd-border-glass);
    border-radius: var(--pd-radius-md);
    overflow-x: auto;
    scrollbar-width: none;
}

.pd-tabs-header::-webkit-scrollbar {
    display: none;
}

.pd-tab-btn {
    position: relative;
    padding: var(--pd-space-sm) var(--pd-space-md);
    border: none;
    background: transparent;
    font-family: var(--pd-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--pd-text-muted);
    cursor: pointer;
    border-radius: var(--pd-radius-sm);
    white-space: nowrap;
    transition: all var(--pd-transition-fast);
}

.pd-tab-btn:hover {
    color: var(--pd-text-secondary);
    background: var(--pd-bg-glass-hover);
}

.pd-tab-btn.active {
    color: var(--pd-bg-primary);
    background: var(--pd-accent);
    font-weight: 600;
}

.pd-tab-content {
    display: none;
    padding: var(--pd-space-lg) 0;
    animation: pdFadeUp 0.3s var(--pd-ease-smooth);
}

.pd-tab-content.active {
    display: block;
}

/* Descripción */
.pd-description {
    font-family: var(--pd-font-body);
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--pd-text-secondary);
}

.pd-description p {
    margin: 0 0 var(--pd-space-md);
}

.pd-description p:last-child {
    margin-bottom: 0;
}

.pd-description strong {
    color: var(--pd-text-primary);
}

/* Especificaciones */
.pd-specs-table {
    display: flex;
    flex-direction: column;
    gap: 2px;
    background: var(--pd-border-glass);
    border-radius: var(--pd-radius-md);
    overflow: hidden;
}

.pd-specs-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    background: var(--pd-bg-secondary);
    transition: background var(--pd-transition-fast);
}

.pd-specs-row:hover {
    background: var(--pd-bg-tertiary);
}

.pd-specs-label,
.pd-specs-value {
    padding: var(--pd-space-md);
    font-family: var(--pd-font-body);
    font-size: 0.9rem;
}

.pd-specs-label {
    font-weight: 600;
    color: var(--pd-text-primary);
    background: var(--pd-bg-glass);
    border-right: 1px solid var(--pd-border-glass);
}

.pd-specs-value {
    color: var(--pd-text-secondary);
}

/* Reviews */
.pd-reviews-summary {
    display: flex;
    align-items: center;
    gap: var(--pd-space-lg);
    padding: var(--pd-space-lg);
    background: var(--pd-bg-tertiary);
    border: 1px solid var(--pd-border-glass);
    border-radius: var(--pd-radius-md);
    margin-bottom: var(--pd-space-lg);
}

.pd-rating-big {
    text-align: center;
}

.pd-rating-number {
    font-family: var(--pd-font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--pd-text-primary);
    line-height: 1;
}

.pd-rating-stars {
    color: var(--pd-accent);
    font-size: 1rem;
    margin: var(--pd-space-sm) 0;
    letter-spacing: 2px;
}

.pd-rating-count {
    font-family: var(--pd-font-body);
    font-size: 0.8rem;
    color: var(--pd-text-muted);
}

/* Review items */
.pd-review-item {
    padding: var(--pd-space-lg);
    border-bottom: 1px solid var(--pd-border-glass);
    transition: background var(--pd-transition-fast);
}

.pd-review-item:last-child {
    border-bottom: none;
}

.pd-review-item:hover {
    background: var(--pd-bg-glass);
}

.pd-review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--pd-space-sm);
}

.pd-review-author {
    font-family: var(--pd-font-body);
    font-weight: 600;
    color: var(--pd-text-primary);
    font-size: 0.95rem;
}

.pd-review-date {
    font-family: var(--pd-font-body);
    font-size: 0.8rem;
    color: var(--pd-text-micro);
}

.pd-review-stars {
    color: var(--pd-accent);
    font-size: 0.85rem;
    margin-bottom: var(--pd-space-sm);
    letter-spacing: 1px;
}

.pd-review-text {
    font-family: var(--pd-font-body);
    font-size: 0.9rem;
    color: var(--pd-text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Empty state reviews */
.pd-reviews-empty {
    text-align: center;
    padding: var(--pd-space-2xl) var(--pd-space-lg);
    color: var(--pd-text-muted);
}

.pd-reviews-empty i {
    font-size: 2.5rem;
    margin-bottom: var(--pd-space-md);
    color: var(--pd-border-glow);
}

.pd-reviews-empty p {
    font-family: var(--pd-font-body);
    font-size: 0.95rem;
    margin: 0;
}

/* ── Badge compra verificada ── */
.pd-rev-badge {
    font-size: 0.7rem; font-weight: 700;
    background: rgba(34,197,94,.12); color: #22c55e;
    padding: 2px 8px; border-radius: 20px;
}
.pd-review-titulo { font-size: .88rem; font-weight: 600; margin-bottom: 4px; }

/* ── Distribución de estrellas ── */
.pd-dist { flex: 1; display: flex; flex-direction: column; gap: 5px; min-width: 140px; }
.pd-dist-row { display: flex; align-items: center; gap: 8px; font-size: .75rem; }
.pd-dist-label { width: 18px; text-align: right; color: var(--pd-text-muted); flex-shrink: 0; }
.pd-dist-bar { flex: 1; height: 6px; background: rgba(255,255,255,.08); border-radius: 6px; overflow: hidden; }
.pd-dist-fill { height: 100%; background: #f59e0b; border-radius: 6px; transition: width .4s ease; }
.pd-dist-count { width: 18px; color: var(--pd-text-muted); flex-shrink: 0; }

/* ── Spinner carga ── */
.pd-reviews-loading { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 32px; color: var(--pd-text-muted); font-size: .9rem; }
.pd-rev-spinner { width: 20px; height: 20px; border: 2px solid rgba(255,255,255,.1); border-top-color: #f59e0b; border-radius: 50%; animation: pd-spin 0.8s linear infinite; }
@keyframes pd-spin { to { transform: rotate(360deg); } }

/* ── Formulario reseña ── */
.pd-rev-form {
    margin-top: 24px;
    padding: 20px;
    background: rgba(255,255,255,.03);
    border: 1px dashed rgba(255,255,255,.12);
    border-radius: var(--pd-radius-md);
}
.pd-rev-form__title { font-size: .92rem; font-weight: 700; margin-bottom: 14px; }
.pd-rev-stars-pick { display: flex; gap: 6px; font-size: 1.6rem; margin-bottom: 14px; cursor: pointer; }
.pd-rev-star { color: rgba(255,255,255,.2); transition: color .15s, transform .15s; }
.pd-rev-star:hover, .pd-rev-star.selected { color: #f59e0b; transform: scale(1.15); }
.pd-rev-input {
    width: 100%; background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 8px; padding: 9px 13px;
    color: var(--pd-text-primary); font-size: .85rem;
    font-family: var(--pd-font-body);
    margin-bottom: 10px; box-sizing: border-box;
    transition: border-color .2s;
}
.pd-rev-input:focus { outline: none; border-color: #f59e0b; }
.pd-rev-input::placeholder { color: rgba(255,255,255,.25); }
.pd-rev-textarea { resize: vertical; min-height: 80px; }
.pd-rev-submit {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white; border: none; border-radius: 8px;
    padding: 10px 20px; font-size: .85rem; font-weight: 700;
    cursor: pointer; transition: opacity .2s;
}
.pd-rev-submit:hover { opacity: .88; }
.pd-rev-note { font-size: .72rem; color: var(--pd-text-muted); margin-top: 8px; }

/* Productos Relacionados */
.pd-related {
    margin-top: var(--pd-space-md);
    padding-top: var(--pd-space-lg);
    border-top: 1px solid var(--pd-border-glass);
}

.pd-related-title {
    font-family: var(--pd-font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--pd-text-primary);
    margin: 0 0 var(--pd-space-md);
    display: flex;
    align-items: center;
    gap: var(--pd-space-sm);
}

.pd-related-title::before {
    content: '';
    width: 3px;
    height: 20px;
    background: var(--pd-accent);
    border-radius: var(--pd-radius-full);
}

.pd-related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--pd-space-md);
}

.pd-related-item {
    position: relative;
    background: var(--pd-bg-tertiary);
    border: 1px solid var(--pd-border-glass);
    border-radius: var(--pd-radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--pd-transition-fast);
}

.pd-related-item:hover {
    transform: translateY(-4px);
    border-color: var(--pd-border-glow);
    box-shadow: var(--pd-shadow-md);
}

.pd-related-img {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--pd-bg-secondary);
}

.pd-related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--pd-transition-normal);
}

.pd-related-item:hover .pd-related-img img {
    transform: scale(1.08);
}

.pd-related-info {
    position: relative;
    padding: var(--pd-space-md);
    z-index: 1;
}

.pd-related-name {
    font-family: var(--pd-font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--pd-text-secondary);
    margin-bottom: var(--pd-space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    transition: color var(--pd-transition-fast);
}

.pd-related-item:hover .pd-related-name {
    color: var(--pd-text-primary);
}

.pd-related-price {
    font-family: var(--pd-font-body);
    font-size: 1rem;
    font-weight: 700;
    color: var(--pd-accent);
}

/* Quick add button en relacionados */
.pd-related-quick-add {
    position: absolute;
    bottom: var(--pd-space-md);
    right: var(--pd-space-md);
    width: 36px;
    height: 36px;
    border: none;
    background: var(--pd-accent);
    color: var(--pd-bg-primary);
    border-radius: var(--pd-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--pd-transition-fast);
    z-index: 5;
}

.pd-related-item:hover .pd-related-quick-add {
    opacity: 1;
    transform: translateY(0);
}

.pd-related-quick-add:hover {
    background: var(--pd-accent-light);
    transform: scale(1.1);
}

/* ==========================================
   RESPONSIVE AJUSTES
   ========================================== */
@media (max-width: 640px) {
    .pd-title {
        font-size: 1.25rem;
    }
    
    .pd-price {
        font-size: 1.75rem;
    }
    
    .pd-actions-row {
        grid-template-columns: 1fr;
    }
    
    .pd-tabs-header {
        padding: var(--pd-space-xs);
    }
    
    .pd-tab-btn {
        padding: var(--pd-space-sm) var(--pd-space-md);
        font-size: 0.8rem;
    }
    
    .pd-reviews-summary {
        flex-direction: column;
        text-align: center;
    }
    
    .pd-related-grid {
        gap: var(--pd-space-sm);
    }
    
    .pd-specs-row {
        grid-template-columns: 1fr;
    }
    
    .pd-specs-label {
        border-right: none;
        border-bottom: 1px solid var(--pd-border-glass);
    }
}

/* ==========================================
   SESIÓN 5/5: TOAST, MOBILE ACTIONS, EXTRAS
   ========================================== */

/* Toast Notifications */
.pd-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--pd-bg-secondary);
    border: 1px solid var(--pd-border-glass);
    color: var(--pd-text-primary);
    padding: var(--pd-space-md) var(--pd-space-lg);
    border-radius: var(--pd-radius-md);
    font-family: var(--pd-font-body);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--pd-space-sm);
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--pd-ease-bounce);
    box-shadow: var(--pd-shadow-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    max-width: 90vw;
}

.pd-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.pd-toast.success {
    border-color: rgba(16, 185, 129, 0.3);
}

.pd-toast.success::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--pd-success);
    border-radius: var(--pd-radius-md) 0 0 var(--pd-radius-md);
}

.pd-toast i {
    color: var(--pd-success);
    font-size: 1.1rem;
}

/* Mobile Action Bar (sticky bottom) */
@media (max-width: 640px) {
    .pd-actions {
        position: sticky;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--pd-bg-primary);
        padding: var(--pd-space-md);
        margin: 0 calc(-1 * var(--pd-space-md));
        margin-top: auto;
        border-top: 1px solid var(--pd-border-glass);
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.5);
        z-index: 50;
        padding-bottom: max(var(--pd-space-md), env(safe-area-inset-bottom));
    }
    
    .pd-actions .pd-btn {
        padding: var(--pd-space-md);
    }
}

/* Focus states para accesibilidad */
.pd-btn:focus-visible,
.pd-close:focus-visible,
.pd-tab-btn:focus-visible,
.pd-thumbnail:focus-visible,
.pd-share-btn:focus-visible,
.pd-quantity-btn:focus-visible {
    outline: 2px solid var(--pd-accent);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Touch devices */
@media (hover: none) {
    .pd-related-quick-add {
        opacity: 1;
        transform: translateY(0);
    }
    
    .pd-gallery-nav {
        opacity: 0.8;
    }
    
    .pd-zoom-hint {
        display: none;
    }
}

/* Extra large screens */
@media (min-width: 1920px) {
    .pd-panel {
        max-width: 600px;
    }
    
    .pd-title {
        font-size: 1.75rem;
    }
    
    .pd-price {
        font-size: 2.25rem;
    }
}
/* Descripción principal del producto */
.pd-description-main {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #94a3af;
    margin: 12px 0 20px 0;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==========================================
   ★ PERSONALIZACIÓN v3.3
   ========================================== */

.pd-personalization {
    margin: var(--pd-space-md) 0;
    padding: var(--pd-space-md);
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.08), rgba(168, 85, 247, 0.08));
    border: 2px solid rgba(236, 72, 153, 0.3);
    border-radius: var(--pd-radius-md);
    animation: pdPulseBorder 2s ease-in-out infinite;
}

@keyframes pdPulseBorder {
    0%, 100% { border-color: rgba(236, 72, 153, 0.3); }
    50% { border-color: rgba(236, 72, 153, 0.6); }
}

.pd-personalization-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.pd-personalization-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: linear-gradient(135deg, #ec4899, #a855f7);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--pd-radius-full);
}

.pd-personalization-cost {
    margin-left: auto;
    font-size: 0.9rem;
    color: var(--pd-success);
    font-weight: 600;
}

.pd-personalization-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--pd-bg-glass);
    border-radius: var(--pd-radius-sm);
    cursor: pointer;
    transition: all var(--pd-transition-fast);
    border: 1px solid transparent;
}

.pd-personalization-toggle:hover {
    background: var(--pd-bg-glass-hover);
    border-color: rgba(236, 72, 153, 0.3);
}

.pd-personalization-toggle.active {
    background: rgba(236, 72, 153, 0.1);
    border-color: #ec4899;
}

.pd-toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    background: var(--pd-border-glow);
    border-radius: 13px;
    transition: background 0.3s;
    flex-shrink: 0;
}

.pd-toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.pd-personalization-toggle.active .pd-toggle-switch {
    background: linear-gradient(135deg, #ec4899, #a855f7);
}

.pd-personalization-toggle.active .pd-toggle-switch::after {
    transform: translateX(22px);
}

.pd-toggle-label { flex: 1; }
.pd-toggle-label strong { display: block; font-size: 0.95rem; color: var(--pd-text-primary); }
.pd-toggle-label span { font-size: 0.8rem; color: var(--pd-text-muted); }

.pd-personalization-form {
    display: none;
    margin-top: var(--pd-space-md);
    padding-top: var(--pd-space-md);
    border-top: 1px dashed rgba(236, 72, 153, 0.3);
}

.pd-personalization-form.show {
    display: block;
    animation: pdFadeUp 0.3s ease;
}

.pd-personalization-instructions {
    padding: 12px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--pd-radius-sm);
    margin-bottom: var(--pd-space-md);
    font-size: 0.85rem;
    color: #60a5fa;
    line-height: 1.5;
}

.pd-upload-section, .pd-text-section { margin-bottom: var(--pd-space-md); }

.pd-upload-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--pd-text-secondary);
    margin-bottom: 8px;
}

.pd-upload-label .required { color: var(--pd-danger); }

.pd-upload-area {
    position: relative;
    border: 2px dashed var(--pd-border-glow);
    border-radius: var(--pd-radius-sm);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--pd-transition-fast);
    background: var(--pd-bg-glass);
}

.pd-upload-area:hover { border-color: #ec4899; background: rgba(236, 72, 153, 0.05); }
.pd-upload-area.has-file { border-color: var(--pd-success); border-style: solid; background: var(--pd-success-soft); }
.pd-upload-area.dragover { border-color: #ec4899; background: rgba(236, 72, 153, 0.1); transform: scale(1.02); }

.pd-upload-icon { font-size: 2.5rem; color: var(--pd-text-muted); margin-bottom: 12px; }
.pd-upload-area.has-file .pd-upload-icon { color: var(--pd-success); }
.pd-upload-text { font-size: 0.9rem; color: var(--pd-text-muted); }
.pd-upload-text strong { color: #ec4899; }
.pd-upload-formats { font-size: 0.75rem; color: var(--pd-text-micro); margin-top: 8px; }
.pd-upload-input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.pd-upload-preview {
    display: none;
    margin-top: 12px;
    padding: 12px;
    background: var(--pd-bg-tertiary);
    border-radius: var(--pd-radius-sm);
    border: 1px solid var(--pd-border-glass);
}

.pd-upload-preview.show { display: flex; align-items: center; gap: 12px; }

.pd-preview-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--pd-radius-sm);
    border: 1px solid var(--pd-border-glass);
}

.pd-preview-info { flex: 1; }
.pd-preview-name { font-size: 0.85rem; font-weight: 500; color: var(--pd-text-primary); word-break: break-all; }
.pd-preview-size { font-size: 0.75rem; color: var(--pd-text-muted); }

.pd-preview-remove {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--pd-danger-soft);
    color: var(--pd-danger);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--pd-transition-fast);
}

.pd-preview-remove:hover { background: var(--pd-danger); color: white; }

.pd-text-input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--pd-border-glass);
    border-radius: var(--pd-radius-sm);
    font-size: 0.95rem;
    transition: all var(--pd-transition-fast);
    background: var(--pd-bg-glass);
    color: var(--pd-text-primary);
    resize: vertical;
    min-height: 60px;
    font-family: var(--pd-font-body);
}

.pd-text-input:focus {
    outline: none;
    border-color: #ec4899;
    box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.1);
}

.pd-text-input::placeholder { color: var(--pd-text-micro); }

.pd-text-counter { text-align: right; font-size: 0.75rem; color: var(--pd-text-micro); margin-top: 4px; }
.pd-text-counter.warning { color: var(--pd-warning); }
.pd-text-counter.error { color: var(--pd-danger); }

.pd-personalization-summary {
    margin-top: var(--pd-space-md);
    padding: 12px;
    background: var(--pd-success-soft);
    border-radius: var(--pd-radius-sm);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.pd-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    font-size: 0.9rem;
}

.pd-summary-row.total {
    border-top: 1px dashed rgba(16, 185, 129, 0.3);
    margin-top: 8px;
    padding-top: 12px;
    font-weight: 700;
    font-size: 1.1rem;
}

.pd-summary-label { color: var(--pd-text-secondary); }
.pd-summary-value { color: var(--pd-success); font-weight: 600; }
.pd-summary-row.total .pd-summary-value { color: #15803d; }

@media (max-width: 640px) {
    .pd-personalization { padding: 12px; }
    .pd-personalization-header { flex-wrap: wrap; }
    .pd-personalization-cost { margin-left: 0; margin-top: 8px; width: 100%; }
    .pd-upload-area { padding: 16px; }
    .pd-upload-icon { font-size: 2rem; }
}
/* ==========================================
   FIN CSS v3.2
   ========================================== */