/* ============================================
   MEGA MARKET — DETALLE DE PRODUCTO
   Aesthetic: Clean E-Commerce Professional
   Seamless card integration, no visible borders
   ============================================ */

/* ========== DESIGN TOKENS ========== */
:root {
    --mm-red: #D90429;
    --mm-red-hover: #b80323;
    --mm-blue: #023E8A;
    --mm-blue-hover: #012d66;
    --text-primary: #0f1923;
    --text-secondary: #485769;
    --text-tertiary: #7a8a9e;
    --text-inverse: #ffffff;
    --surface-page: #f3f4f6;
    --surface-card: #ffffff;
    --surface-subtle: #f8f9fb;
    --surface-muted: #eef0f4;
    --shadow-soft: 0 1px 4px rgba(15, 25, 35, 0.04);
    --shadow-btn: 0 2px 6px rgba(217, 4, 41, 0.25);
    --shadow-btn-hover: 0 6px 20px rgba(217, 4, 41, 0.35);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: 150ms var(--ease-out);
    --transition-normal: 250ms var(--ease-out);
    --font-body: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --container-max: 1280px;
}

/* ========== BREADCRUMB ========== */
.detalle-header {
    padding: 16px 20px;
    max-width: var(--container-max);
    margin: 0 auto;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    flex-wrap: wrap;
    color: var(--text-tertiary);
}

    .breadcrumb-nav a {
        color: var(--text-secondary);
        text-decoration: none;
        transition: color var(--transition-fast);
    }

        .breadcrumb-nav a:hover {
            color: var(--mm-blue);
        }

    .breadcrumb-nav span {
        color: var(--text-tertiary);
    }

    .breadcrumb-nav .current {
        color: var(--text-primary);
        font-weight: 500;
    }

/* ========== CONTENEDOR PRINCIPAL ========== */
.detalle-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 24px 20px 60px;
}

/* ========== PRODUCTO NO ENCONTRADO ========== */
.producto-no-encontrado {
    text-align: center;
    padding: 80px 24px;
    background: var(--surface-card);
    border-radius: var(--radius-lg);
}

    .producto-no-encontrado i {
        font-size: 3.5rem;
        color: var(--text-tertiary);
        margin-bottom: 20px;
        opacity: 0.5;
    }

    .producto-no-encontrado h2 {
        font-family: var(--font-body);
        font-size: 1.375rem;
        font-weight: 600;
        color: var(--text-primary);
        margin-bottom: 8px;
    }

    .producto-no-encontrado p {
        color: var(--text-secondary);
        font-size: 0.9375rem;
        margin-bottom: 28px;
    }

.btn-volver-tienda {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--mm-blue);
    color: var(--text-inverse);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    transition: background var(--transition-fast);
}

    .btn-volver-tienda:hover {
        background: var(--mm-blue-hover);
        color: var(--text-inverse);
    }

/* ========== HERO DEL PRODUCTO ========== */
.producto-detalle-wrapper {
    animation: fadeIn 0.4s var(--ease-out);
}

.producto-hero {
    display: grid;
    grid-template-columns: 420px 1fr 280px;
    gap: 0;
    background: var(--surface-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: var(--shadow-soft);
}

/* ===== IMAGEN ===== */
.producto-imagen-container {
    background: var(--surface-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    min-height: 420px;
    position: relative;
    overflow: hidden;
}

    .producto-imagen-container::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, transparent 50%);
        pointer-events: none;
    }

.producto-imagen-grande {
    max-width: 100%;
    max-height: 380px;
    object-fit: contain;
    transition: transform 0.4s var(--ease-out);
    position: relative;
    z-index: 1;
}

    .producto-imagen-grande:hover {
        transform: scale(1.04);
    }

/* ===== INFO PRINCIPAL ===== */
.producto-info-principal {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px 28px;
}

.producto-titulo {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 12px 0;
    line-height: 1.35;
    letter-spacing: -0.01em;
}

/* Rating */
.producto-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.estrellas {
    display: flex;
    gap: 1px;
}

    .estrellas i {
        color: #f59e0b;
        font-size: 0.875rem;
    }

.rating-texto {
    color: var(--text-tertiary);
    font-size: 0.8125rem;
    font-weight: 500;
}

/* Precio */
.producto-precio-container {
    margin-bottom: 20px;
    padding-bottom: 20px;
}

.producto-precio {
    font-family: var(--font-body);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Stock badges */
.producto-stock {
    margin-bottom: 24px;
}

.stock-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.stock-disponible {
    background: #ecfdf5;
    color: #059669;
}

.stock-pocas {
    background: #fffbeb;
    color: #d97706;
}

.stock-agotado {
    background: #fef2f2;
    color: #dc2626;
}

/* Botón agregar al carrito */
.producto-acciones {
    margin-bottom: 16px;
}

.btn-agregar-carrito-detalle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 36px;
    background: var(--mm-red);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    box-shadow: var(--shadow-btn);
}

    .btn-agregar-carrito-detalle:hover {
        background: var(--mm-red-hover);
        color: var(--text-inverse);
        box-shadow: var(--shadow-btn-hover);
        transform: translateY(-1px);
    }

    .btn-agregar-carrito-detalle:active {
        transform: translateY(0);
        box-shadow: var(--shadow-btn);
    }

    .btn-agregar-carrito-detalle i {
        font-size: 1rem;
    }

    .btn-agregar-carrito-detalle.btn-disabled {
        background: var(--surface-muted);
        color: var(--text-tertiary);
        cursor: not-allowed;
        box-shadow: none;
    }

        .btn-agregar-carrito-detalle.btn-disabled:hover {
            background: var(--surface-muted);
            transform: none;
            box-shadow: none;
        }

/* Botón volver móvil */
.btn-volver-tienda-movil {
    display: none;
    align-items: center;
    gap: 6px;
    color: var(--mm-blue);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

    .btn-volver-tienda-movil:hover {
        color: var(--mm-red);
    }

/* ========== PANEL LATERAL ========== */
.producto-panel-lateral {
    background: var(--surface-subtle);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.panel-seccion {
    padding: 20px;
}

    .panel-seccion + .panel-seccion {
        border-top: 1px solid var(--surface-muted);
    }

.panel-titulo {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 10px 0;
}

.panel-vendedor {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--mm-blue);
    margin: 0;
}

/* Opciones de entrega */
.entrega-opcion {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
}

    .entrega-opcion:first-of-type {
        padding-top: 4px;
    }

    .entrega-opcion:last-of-type {
        padding-bottom: 0;
    }

.entrega-icono {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--surface-card);
    border-radius: var(--radius-sm);
    color: var(--mm-blue);
    font-size: 1.125rem;
    box-shadow: var(--shadow-soft);
}

.entrega-nombre {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Métodos de pago */
.pago-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.pago-texto {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.pago-logo {
    height: 20px;
    object-fit: contain;
}

.tarjetas-disponibles {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

    .tarjetas-disponibles img {
        height: 28px;
        object-fit: contain;
        opacity: 0.85;
    }

/* ========== INFORMACIÓN ADICIONAL ========== */
.producto-info-adicional {
    background: var(--surface-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-soft);
    animation: fadeIn 0.4s var(--ease-out) 0.1s both;
}

.info-titulo {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 24px 0;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--surface-muted);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.info-item {
    background: var(--surface-subtle);
    padding: 16px;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

    .info-item:hover {
        background: var(--surface-muted);
    }

.info-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-body);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

    .info-label i {
        color: var(--mm-blue);
        font-size: 0.75rem;
        opacity: 0.7;
    }

.info-valor {
    display: block;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

/* Descripción */
.info-descripcion {
    padding-top: 24px;
}

.descripcion-titulo {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 10px 0;
}

.descripcion-texto {
    font-family: var(--font-body);
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.75;
    margin: 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* ===== TABLETS ===== */
@media (max-width: 1024px) {
    .producto-hero {
        grid-template-columns: 1fr 1fr;
    }

    .producto-imagen-container {
        min-height: 320px;
        padding: 24px;
    }

    .producto-imagen-grande {
        max-height: 300px;
    }

    .producto-titulo {
        font-size: 1.3rem;
    }

    .producto-precio {
        font-size: 1.75rem;
    }

    .producto-panel-lateral {
        grid-column: 1 / -1;
        flex-direction: row;
    }

    .panel-seccion {
        flex: 1;
        min-width: 0;
    }

        .panel-seccion + .panel-seccion {
            border-top: none;
            border-left: 1px solid var(--surface-muted);
        }

    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== MÓVIL ===== */
@media (max-width: 767.98px) {

    .detalle-header {
        padding: 10px 6px;
    }

    .breadcrumb-nav {
        font-size: 0.75rem;
        gap: 4px;
    }

    /* Contenedor edge-to-edge */
    .detalle-container {
        padding: 6px 2px 40px;
    }

    /* Hero sin bordes redondeados ni sombra — se funde con la pantalla */
    .producto-hero {
        grid-template-columns: 1fr;
        border-radius: 0;
        box-shadow: none;
        margin-bottom: 6px;
    }

    /* Imagen ocupa ~97% del ancho */
    .producto-imagen-container {
        min-height: 250px;
        padding: 10px 1.5%;
    }

    .producto-imagen-grande {
        max-height: 280px;
        width: 97%;
        max-width: 97%;
    }

        .producto-imagen-grande:hover {
            transform: none;
        }

    .producto-info-principal {
        padding: 16px 12px;
    }

    .producto-titulo {
        font-size: 1.15rem;
    }

    .producto-precio-container {
        margin-bottom: 14px;
        padding-bottom: 14px;
    }

    .producto-precio {
        font-size: 1.6rem;
    }

    .producto-stock {
        margin-bottom: 18px;
    }

    .stock-badge {
        font-size: 0.75rem;
        padding: 5px 12px;
    }

    .btn-agregar-carrito-detalle {
        width: 100%;
        padding: 14px 20px;
        font-size: 0.9375rem;
    }

    .btn-volver-tienda-movil {
        display: inline-flex;
        margin-top: 12px;
    }

    /* Panel lateral en columna */
    .producto-panel-lateral {
        flex-direction: column;
    }

    .panel-seccion {
        padding: 14px 12px;
    }

        .panel-seccion + .panel-seccion {
            border-left: none;
            border-top: 1px solid var(--surface-muted);
        }

    /* Info adicional edge-to-edge */
    .producto-info-adicional {
        padding: 18px 12px;
        border-radius: 0;
        box-shadow: none;
    }

    .info-titulo {
        font-size: 1rem;
        margin-bottom: 16px;
        padding-bottom: 12px;
    }

    .info-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .info-item {
        padding: 12px 10px;
    }

    .info-label {
        font-size: 0.625rem;
    }

    .info-valor {
        font-size: 0.85rem;
    }

    .info-descripcion {
        padding-top: 18px;
    }

    .descripcion-texto {
        font-size: 0.8125rem;
    }

    .producto-no-encontrado {
        padding: 50px 16px;
        border-radius: 0;
    }

        .producto-no-encontrado i {
            font-size: 2.75rem;
        }

        .producto-no-encontrado h2 {
            font-size: 1.15rem;
        }
}

/* ===== MÓVIL PEQUEÑO ===== */
@media (max-width: 374px) {
    .detalle-container {
        padding: 4px 0 36px;
    }

    .producto-info-principal {
        padding: 14px 10px;
    }

    .producto-titulo {
        font-size: 1.05rem;
    }

    .producto-precio {
        font-size: 1.45rem;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .btn-agregar-carrito-detalle {
        padding: 12px 16px;
        font-size: 0.875rem;
    }

    .producto-info-adicional {
        padding: 16px 10px;
    }
}

/* ========== ANIMACIÓN ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}