:root {
    --modal-padding: 20px;
    --modal-maxwidth: 1200px;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background-color: rgba(22, 57, 52, 0.85);
    padding: var(--modal-padding);
    box-sizing: border-box;
    display: none; /* cerrado por defecto */
}

/* Activar modal añadiendo la clase .open */
.modal.open {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-contenido {
    position: relative;
    width: 70%;
    max-width: var(--modal-maxwidth);
    /* max-height calculado restando el padding del modal */
    max-height: calc(100vh - (var(--modal-padding) * 2));
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    overflow: visible; /* flechas visibles */
    margin: 0 auto;
    /* border: 2px solid red; */
}

.modal-contenido .image-wrap {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    padding: 8px;
}

/* Imagen por defecto (desktop) */
#imagenModal {
    display: block;
    width: 100%;
    height: calc(100vh - (var(--modal-padding) * 2) - 32px);
    object-fit: cover;
    border-radius: 18px;
    box-shadow: 0 0 18px rgba(0, 0, 0, 0.6), 0 0 18px rgba(0, 0, 0, 0.2);
    transition: opacity 0.18s ease;
    opacity: 1;
}

#imagenModal.is-loading {
    opacity: 0;
}

.cerrar {
    position: absolute;
    top: 18px;
    right: 18px;
    font-size: 34px;
    color: #fff;
    cursor: pointer;
    z-index: 10020;
    background: rgba(0, 0, 0, 0.7);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    line-height: 1;
}

.flecha {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 36px;
    color: #fff;
    cursor: pointer;
    z-index: 10010;
    user-select: none;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    background: rgba(0, 0, 0, 0.7);
}

.izquierda {
    left: 18px;
}
.derecha {
    right: 18px;
}

.contador-modal-1 {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10020;
    color: white;
    font-size: 15px;
    background: rgba(0, 0, 0, 0.7);
    padding: 6px 10px;
    border-radius: 6px;
    pointer-events: none;
}

/* ======================== */
/* RESPONSIVO */
/* ======================== */
@media (max-width: 768px) {
    .modal {
        padding: 0;
    }
    .modal-contenido {
        width: 100%;
        height: 100%;
        max-width: none;
        max-height: none;
        padding: 0;
    }
    .modal-contenido .image-wrap {
        width: 100%;
        height: 100%;
        padding: 0;
    }
    #imagenModal {
        width: 90%;
        height: 60%;
        max-width: none;
        max-height: none;
        object-fit: cover; /* llena todo y recorta */
        /* border-radius: 0; */
    }
    .cerrar {
        font-size: 28px;
        width: 35px;
        height: 35px;
        top: 140px;
        right: 60px;
    }

    .flecha {
        font-size: 20px;
        width: 30px;
        height: 30px;
    }
    .izquierda {
        left: 60px;
    }
    .derecha {
        right: 60px;
    }
    .contador-modal-1 {
        bottom: 100px;
    }
}

@media screen and (max-width: 480px) {
    .cerrar {
        top: 160px;
        right: 30px;
    }
    .flecha {
        font-size: 20px;
        width: 30px;
        height: 30px;
        /* background: rgba(0, 0, 0, 0.7); */
    }
    .izquierda {
        left: 30px;
    }
    .derecha {
        right: 30px;
    }
    .contador-modal-1 {
        bottom: 100px;
    }
}