.configurador-layout {
    display: flex;
    gap: 40px;
    padding: 60px 8%; 
    background-color: #fcfbf9; 
    min-height: 80vh;
}

.panel-controles {
    width: 320px;
    background: #ffffff;
    padding: 30px;
    border: 1px solid #dcd7ce;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    height: fit-content;
}

.panel-controles h3 {
    font-family: var(--fuente-titulos);
    font-size: 22px;
    color: #111;
    margin-bottom: 25px;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
}

.panel-controles label {
    display: block;
    margin-top: 20px;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 13px;
    color: #444;
}

.panel-controles input[type="number"],
.panel-controles input[type="file"] {
    width: 100%;
    padding: 10px 12px;
    margin-top: 8px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
}

.panel-controles input:focus {
    outline: none;
    border-color: #cda434; 
}

.btn-grosor, .btn-passe-grosor {
    padding: 8px 12px;
    background: #f4f4f4;
    border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    transition: all 0.2s ease;
}

.btn-grosor.activa, .btn-passe-grosor.activa {
    background: #cda434;
    color: white;
    border-color: #cda434;
}

.item-marco, .item-passe {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-radius: 2px;
}

.item-marco.activa, .item-passe.activa {
    transform: scale(1.1);
    box-shadow: 0 0 0 2px #cda434; 
    border-color: transparent !important;
}

.panel-visualizador {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: radial-gradient(#e5e0d8 1px, transparent 1px);
    background-size: 20px 20px; 
    border: 1px solid #dcd7ce;
    border-radius: 4px;
    padding: 40px;
    overflow: auto;
}

#contenedorCuadro {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

#canvasMarco {
    position: absolute;
    z-index: 1;
    box-shadow: 15px 25px 45px rgba(0,0,0,0.25); 
}

.canvas-container {
    position: relative !important;
    z-index: 2 !important; 
}


@media (max-width: 850px) {
    .configurador-layout {
        flex-direction: column;
        padding: 30px 5%;
        gap: 20px;
    }

    .panel-controles {
        width: 100%; 
        box-sizing: border-box;
    }

    .panel-visualizador {
        padding: 20px 10px;
        overflow-x: auto;
    }

    #contenedorCuadro {
        max-width: 100%;
    }
    
    #canvasMarco, #lienzoFoto, .canvas-container {
        max-width: 100% !important;
        height: auto !important;
    }
}