.compras-section {
    width: 95%;
    margin: 20px auto;
    font-family: 'Arial', sans-serif;
}

.compras-section h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.compras-table {
    width: 100%;
    border-collapse: collapse;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 10px;
    overflow: hidden;
}

.compras-table th, .compras-table td {
    padding: 12px 15px;
    text-align: left;
}

.compras-table thead {
    background-color: #4CAF50;
    color: white;
}

.compras-table tbody tr:nth-child(even) {
    background-color: #f2f2f2;
}

.compras-table tbody tr:hover {
    background-color: #d6ffdf;
    transition: 0.3s;
}

.cont-volver{
    width: 100%;
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.editable {
    width: 90%;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 3px;
}

.boton-guardar {
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 5px 10px;
    cursor: pointer;
    margin: 0 2px;
}

.boton-guardar:hover {
    background: #45a049;
}

/* Estilo para indicar que es editable */
.compras-table td {
    position: relative;
}

.compras-table .editable:focus {
    outline: 2px solid #2196F3;
    background-color: #f0f8ff;
}